26/10/29
ADR02ARZ Voltage Reference IC: Specs & Pin Configuration
What Is ADR02ARZ?ADR02ARZ is a 5.0 V precision bandgap voltage reference IC developed by Analog Devices (ADI) and belongs to the ADR02 series. It provides a stable reference voltage over a wide supply voltage range, making it suitable for ADCs, DACs, precision measurement instruments, and industrial control systems.ADR02ARZ comes in an 8-lead SOIC surface-mount package. It features a TRIM pin for fine adjustment of the output voltage. With an external buffer and a simple resistor network, the TEMP pin can also be used for temperature sensing and approximate temperature measurement. In addition, the 8-lead SOIC version of the ADR02 series can serve as a drop-in replacement for the industry-standard REF02, helping simplify the upgrade and design of certain existing circuits. How Does ADR02ARZ Work?ADR02ARZ operates based on bandgap voltage reference technology. It uses two bipolar junction transistors (BJTs) with different current densities to generate a proportional-to-absolute-temperature (PTAT) voltage. This is combined with the negative temperature coefficient of the transistor base-emitter voltage (VBE) to compensate for temperature variations, maintaining a stable reference voltage over a wide temperature range of −40°C to +125°C.Once the bandgap circuit generates a stable reference voltage, an internal high-gain, low-noise operational amplifier and output driver regulate it to a standard 5.0V DC output. Precision thin-film resistors and laser trimming during manufacturing help achieve high initial accuracy and low temperature drift.ADR02ARZ uses a series-reference topology and operates from an input supply of 7V to 30V. Its internal feedback loop adjusts the output driver to maintain a stable 5.0V output despite supply or load variations. Technical SpecificationsThis section lists the key specifications of the ADR02ARZ voltage reference IC.ParameterValuePart NumberADR02ARZManufacturerADI (Analog Devices, Inc.)DescriptionIC VREF SERIES 5V 8SOICLead Free Status / RoHS StatusLead free / RoHS CompliantOutput TypeFixedVoltage - Output (Min/Fixed)5VVoltage - Input7 V ~ 36 VNoise - 0.1Hz to 10Hz10µVp-pCurrent - Supply1mATemperature Coefficient10ppm/°CCurrent - Output10mATolerance±0.1%Mounting TypeSurface MountPackagingTubeOperating Temperature-40°C ~ 125°C (TA)Supplier Device Package8-SOICPackage / Case8-SOIC (0.154, 3.90mm Width)Base Part NumberADR02 Pin Configurations Pin 1 (NIC): No internal connection; leave unconnected or connect to ground.Pin 2 (VIN): Power supply input pin, accepts a DC voltage range of 7V to 30V.Pin 3 (TEMP):Temperature monitor output pin, providing a voltage proportional to the absolute internal temperature.Pin 4 (GND): System ground and power supply return.Pin 5 (TRIM): Output voltage trim terminal for fine-tuning the voltage accuracy with an external potentiometer.Pin6 (VOUT): Precision reference voltage output (5.0V regulated output for ADR02). Pin 7 (NIC): No internal connection; leave unconnected or connect to ground.Pin 8 (NIC): No internal connection; leave unconnected or connect to ground. Simplified Schematic Diagram The circuit illustrates the core architecture of the ADR02ARZ. At the bottom, the Q18/Q19 transistor pair and precision resistor network form the bandgap reference core, generating a stable bandgap voltage (VBG) through complementary positive and negative temperature coefficients. The TEMP pin provides a voltage proportional to absolute temperature. At the top, the amplifier and Q9/Q10 output driver form a closed-loop feedback system, working with the R5/R6 network to regulate the output at 5 V through the (VO) pin. The TRIM pin also supports external fine adjustment of output accuracy. Key Features and Advantagesl Ultracompact SC70 and TSOT packagesl Low temperature coefficient 8-lead SOIC: 3 ppm/°C typicall Initial accuracy ±0.1%l No external capacitor requiredl Low noise 10 µV p-p, 0.1 Hz to 10.0 Hz (ADR02)l Wide operating range: 7.0 V to 36.0 Vl High output current 10 mAl Wide temperature range: −40°C to +125°Cl ADR02pin compatible to industrystandard REF02l ADR02 SOIC (A grade) qualified for automotive applications Application FieldsADR02ARZ provides a stable 5.0 V precision reference voltage and is widely used in data acquisition, high-resolution converters, industrial control, and other applications. 1. Precision Data Acquisition SystemsIn precision data acquisition systems, ADR02ARZ provides a stable reference voltage for ADCs, helping convert analog signals into digital signals accurately. 2. High-Resolution ConvertersADR02ARZ helps reduce conversion errors caused by reference voltage variations, making it suitable for precision signal processing and high-accuracy measurement circuits. 3. Industrial Process Control SystemsIn industrial process control systems, sensors continuously monitor parameters such as temperature, pressure, and flow. ADR02ARZ helps control systems acquire data accurately, supporting process monitoring, feedback regulation, and automation. 4. Precision InstrumentsADR02ARZ offers high voltage stability and low temperature drift. It can be used in the reference voltage circuits of precision instruments to improve measurement accuracy. 5. Automotive Battery MonitoringIn automotive battery monitoring systems, ADR02ARZ provides a stable reference voltage for voltage sampling and signal conversion circuits, helping monitor battery voltage and related operating parameters. 6. PCMCIA CardsIn PCMCIA cards and other expansion devices, ADR02ARZ provides a stable reference voltage for analog signal acquisition, data conversion, and measurement circuits, helping improve data processing accuracy. ADR02ARZ vs. ADR02ARZ-REEL7The main difference between ADR02ARZ and ADR02ARZ-REEL7 is the packaging method, not the electrical performance. Both are manufactured by Analog Devices (ADI), provide a 5.0 V precision reference voltage, and come in an 8-lead SOIC package.ParameterADR02ARZADR02ARZ-REEL7Output Voltage5.0 V5.0 VInitial Accuracy±0.1%±0.1%Temperature Coefficient10 ppm/°C10 ppm/°COperating Temperature−40°C ~125°C−40°C ~125°CPackage8-lead SOIC8-lead SOICPackagingTube7-inch tape and reelStandard Order Quantity98 pieces1,000 piecesWhich One Should You Choose?l ADR02ARZ: Suitable for sample orders, small-batch testing, and manual assembly.l ADR02ARZ-REEL7: Ideal for automated surface-mount assembly and high-volume production. PCB Layout and Decoupling Best Practices1. Decoupling CapacitorsCapacitor selection: Use 0.1 µF and 1–10 µF capacitors at the power supply and output.Placement: Place the 0.1 µF capacitor within 3 mm of the pin.Grounding: Connect capacitors to AGND with short traces. 2. Noise and GroundingGrounding: Connect Pin 4 (GND) to AGND and separate it from switching and digital grounds.Sensitive pins: Keep TRIM (Pin 5) and TEMP (Pin 3) traces short and away from clock signals. Leave TRIM unconnected when unused. 3. Stress and Thermal ManagementThermal relief: Use thermal-relief pads to reduce soldering stress.PCB placement: Keep the IC away from board edges and mounting holes. Package Details (SOIC-8) ANDE Electronics: Your Trusted Partner in Electronic Component Sourcing At ANDE Electronics, we make getting the electronic components you need simple and fast. We work directly with top global manufacturers to provide high-quality components that have passed our strict checks, so you can count on them for your projects.We also focus on quick and consistent delivery to keep your work on schedule and avoid delays. When you need reliable and efficient electronic parts for your projects, ANDE Electronics is a partner you can trust.(Contact us for a quote)
382
26/10/26
AUO B116XTB01.0 11.6'' Touchscreen LCD Panel
Introduction to B116XTB01.0 LCD PanelB116XTN01.0 is a color active matrix liquid crystal display composed of a TFT LCD panel, a driver circuit, and LED backlight system. The screen features a 16:9 widescreen format with a resolution of 1366 × 768 (HD), supports 262K colors, and uses RGB 6-bit data drivers.B116XTN01.0 is equipped with an LED backlight driving circuit, and all input signals are compatible with the LVDS interface, allowing it to connect to display systems that meet the corresponding electrical specifications. It is primarily designed for notebook-style personal computers and industrial equipment. B116XTB01.0 Key SpecificationsThe table below presents the core specifications of B116XTN01.0.ParameterSpecificationModelB116XTB01.0BrandAUODisplay Size11.6"CompositionAssemblyResolution1366(RGB)×768, WXGA 135PPILuminance200 cd/m² (Typ.)Contrast Ratio500:1 (Typ.) (TM)Viewing Angle45/45/15/35Color Depth262K 45% NTSCLight SourceWLED , 15K hours , With LED DriverInterface TypeeDP (1 Lane) , eDP1.2 , 40 pins ConnectorPixel FormatRGB Vertical StripeFrame Rate60HzTouchscreenOn-Cell Touch, USBVoltage Supply3.3 (Typ.)Shape StyleSlim (PCBA Flat, T≤3.2mm)Outline Size284.1 × 185 × 4.2 (H×V×D)Max RatingsOperating Temp.: -20 ~ 60 °C ; Storage Temp.: -20 ~ 60 °C Integrated Touch Panel Architecture (On-Cell Touch)The B116XTB01.0 integrates capacitive touch functionality into its LCD module, enabling direct screen interaction without requiring a separate external touchscreen. 1. On-Cell Touch Structure and AdvantagesB116XTB01.0 uses an On-Cell capacitive touch structure, in which the touch sensor is integrated onto the outer surface of the LCD's upper glass substrate, eliminating the need for a separate externally attached touchscreen.l Reduced Thickness and Weight: Eliminates the additional touchscreen layer, helping create a thinner and lighter display module.l Improved Optical Clarity: Reduces air gaps and bonding layers, helping minimize reflections and improve image clarity.l Enhanced Structural Reliability: Reduces the risk of delamination and air bubbles, improving long-term stability. 2. Touch Operation and Interface Performancel Touch Operation and Multi-Touch: Projected capacitive touch technology can support multi-touch input and gesture recognition, enabling responsive and intuitive interaction.l Communication Interface: The touch controller IC typically communicates with the host through interfaces such as I²C or USB, depending on the module design. 3. Compatibility Checks for ReplacementWhen replacing or repairing the screen, verify the following aspects:l Interface and Pin Configuration: Check whether the motherboard's touch FPC connector matches the required supply voltage and signal pin assignments, including SDA, SCL, INT, and RST where applicable.l Drivers and Firmware: Ensure the host operating system, such as Windows or Linux, supports the touch controller's driver and communication protocol to prevent unresponsive touch input or inaccurate coordinate mapping. eDP Interface and Pin ConfigurationB116XTB01.0 features a 40-pin eDP (Embedded DisplayPort) interface for transmitting image data, making it suitable for compatible notebook computers and other display devices. The interface uses a single-lane configuration to meet the panel's image transmission requirements. Unlike LVDS, eDP uses a different signal transmission method, so the host interface type and signal configuration must be verified when replacing the screen.The panel's logic circuit operates at a typical voltage of 3.3 V. During installation or replacement, carefully check the 40-pin connector's pin assignments, power pins, signal allocation, and cable layout to ensure compatibility with the motherboard. Functional Block DiagramThe following diagram shows the functional block of the 11.6 inches wide Color TFT/LCD 30 Pin one lane eDP Module The B116XTB01.0 module uses an internal printed circuit board assembly (PCBA) to efficiently manage signal processing and power distribution:l Signal Processing and Display: External DisplayPort signals are decoded by the DP receiver and panel controller to generate control data, driving the gate and source driver ICs to produce a (1366×768)-pixel image.l Power Supply and Gamma Circuit: The input DC power is regulated by DC/DC converters and the gamma correction circuit, providing precise voltage levels and grayscale signals for the panel and driver ICs.l Backlight Driving: The LED power supply is regulated through boost conversion and current-balancing circuits to drive the LED strips and provide uniform backlighting. Application Fields of B116XTB01.0 LCDThe B116XTB01.0 LCD panel is designed for use in notebook computers and compatible industrial equipment. This section explores its typical application fields, highlighting how it supports display requirements across portable computing devices, industrial systems, and related electronic equipment. 1. Industrial Control EquipmentB116XTB01.0 can be used in compatible industrial control equipment to provide visual displays of operating status, production data, and control interfaces.l Industrial control panelsl Automated equipment operating interfacesl Portable industrial inspection instruments 2. Notebook ComputersB116XTB01.0 can be used in compatible notebook computer display systems to support everyday tasks such as office work, web browsing, document processing, and multimedia viewing.l Business laptopsl Student laptopsl Portable office computers 3. Chromebook DevicesChromebooks are commonly used for online learning, web browsing, cloud-based work, and classroom instruction. B116XTB01.0 can be used in Chromebook devices that have been verified for compatibility, providing display support for web applications, educational platforms, and online collaboration tools.l Portable computing devicesl Everyday learning devices 4. 2-in-1 Touchscreen DevicesIn 2-in-1 devices with compatible touch configurations, the LCD panel can work with the touch system to enable screen interaction, allowing users to perform gestures, navigate pages, browse content, and control applications.l Touchscreen laptopsl Detachable 2-in-1 computers Power-On/Off Sequence & Timing RequirementsProper power sequencing is essential to prevent screen flickering, white screens, abnormal display artifacts, and potential damage to the LCD or touch controller. Power-On SequenceFirst, power on the 3.3 V logic supply (VDD)). Once stable, reset the touch controller and initialize its logic. Then enable eDP image data transmission through the Main Link and AUX channels. Finally, activate the backlight enable signals (BL_EN/PWM) after the image stabilizes. Power-Off SequenceFollow the reverse order. Disable the backlight first, then stop eDP image transmission and reset the touch signals. Finally, turn off the (VDD) logic supply. B116XTB01.0 DatasheetYou can refer to the official datasheet of AUO B116XTB01.0 LCD to see more details:Datasheet PDF Mechanical Dimensions Handling Precautions1) Avoid scratching the front polarizer. Clean with a soft, absorbent cloth.2) Turn off the power before connecting or disconnecting cables.3) Wipe off water immediately to prevent discoloration or spots.4) Handle the glass panel carefully to avoid drops, impacts, or breakage.5) Prevent electrostatic discharge (ESD) by grounding yourself during handling.6) Do not open or modify the module assembly.7) Do not press the rear reflector sheet.8) Insert or remove signal connectors without twisting or tilting them.9) Avoid bending or twisting the module during installation or use.10) Ensure the power supply meets applicable Limited Power Source (LPS) requirements.11) Disconnect power before handling. Do not touch electrodes, cables, connectors, or LED backlight circuits. ANDE Electronics: Reliable LCD Display Solutions As a professional display supplier, Ande Electronics is committed to providing LCD modules that meet modern application needs.We offer not only high-quality display products but also reliable technical support and flexible purchasing options. Our experienced engineering team works closely with customers to provide guidance on module selection, integration, and optimization.Choosing Ande Electronics, then engineers and manufacturers will gain a partner focused on quality, innovation, and efficiency.(Contact us for a quote)
316
26/10/22
STM32F767IIT6 MCU: Specs, Features and Applications
Introduction and Overview of STM32F767IIT6The STM32F767IIT6 is a microcontroller based on the Arm Cortex-M7 32-bit RISC core, operating at frequencies of up to 216 MHz. Its core integrates a floating-point unit (FPU) that supports both single-precision and double-precision operations, a digital signal processing (DSP) instruction set, and a memory protection unit (MPU). These features make it suitable for complex computations, real-time control, and embedded system development.In terms of memory and peripherals, the STM32F767IIT6 provides up to 2 MB of Flash memory and 512 KB of SRAM. It also features ADCs, DACs, timers, a random number generator, and a wide range of communication interfaces, including I²C, SPI, UART/USART, USB, CAN, and Ethernet. In addition, the device supports an LCD-TFT display controller, a Chrom-ART graphics accelerator, and flexible external memory interfaces.The STM32F767IIT6 supports a supply voltage range of 1.7–3.6 V. Devices in the associated series operate across a temperature range of -40°C to +105°C and offer multiple low-power modes.(Contact us for a quote) STM32F767IIT6 SpecificationsThis section lists the key specifications of the STM32F767IIT6 microcontroller.ParameterValuePart NumberSTM32F767IIT6ManufacturerSTMicroelectronicsDescriptionIC MCU 32BIT 2MB FLASH 176LQFPLead Free Status / RoHS StatusLead free / RoHS CompliantProgram Memory TypeFLASHProgram Memory Size2MB (2M x 8)RAM Size512K x 8Oscillator TypeInternalData ConvertersA/D 24x12b, A/D 2x12bCore ProcessorARM® Cortex®-M7Number of I/O140Speed216MHzCore Size32-BitVoltage - Supply (Vcc/Vdd)1.7 V ~ 3.6 VPackagingTrayOperating Temperature-40°C ~ 85°C (TA)Supplier Device Package176-LQFP (24x24)Package / Case176-LQFPBase Part NumberSTM32F7 Pinout and Interface ConfigurationThe STM32F767IIT6 comes in an LQFP176 package, providing extensive multiplexed I/O resources and strong peripheral expansion capabilities. Its pin layout distributes power pins (VDD, VSS, VDDA, etc.), analog reference inputs, and various high-speed communication interfaces around the package to help manage high-frequency switching noise and maintain signal integrity. Key Features of STM32F767IIT6l Includes ST state-of-the-art patented technologyl Core: Arm® 32-bit Cortex®-M7 CPU with DPFPU, ART Accelerator and L1-cache: 16 Kbytes I/D cache, allowing 0-wait state execution from embedded flash memory and external memories, up to 216 MHz, MPU, 462 DMIPS/2.14 DMIPS/MHz (Dhrystone 2.1), and DSP instructions.l Memories– Up to 2 Mbytes of flash memory, organized into two banks allowing read-while-write– SRAM: 512 Kbytes (including 128 Kbytes of data TCM RAM for critical real-time data)+ 16 Kbytes of instruction TCM RAM (for critical real-time routines) + 4 Kbytes of backup– Flexible external memory controller with up to 32-bit data bus: SRAM, PSRAM, SDRAM/LPSDR SDRAM, NOR/NAND memoriesl Dual mode Quad-SPIl Graphics– Chrom-ART Accelerator (DMA2D), graphical hardware accelerator enabling enhanced graphical user interface– Hardware JPEG codec– LCD-TFT controller supporting up to XGA resolution– MIPI® DSI host controller supporting up to 720p 30 Hz resolutionl Clock, reset and supply management– 1.7 to 3.6 V application supply and I/Os– POR, PDR, PVD and BOR– Dedicated USB power– 4-to-26 MHz crystal oscillator– Internal 16 MHz factory-trimmed RC (1% accuracy)– 32 kHz oscillator for RTC with calibration– Internal 32 kHz RC with calibrationl Low-power– Sleep, Stop and Standby modes–VBAT supply for RTC, 32×32 bit backup registers + 4 Kbytes backup SRAM3×12-bit, 2.4 MSPS ADC: up to 24 channelsl Digital filters for sigma delta modulator (DFSDM), 8 channels / 4 filtersl 2×12-bit D/A convertersl General-purpose DMA: 16-stream DMA controller with FIFOs and burst supportl Up to 18 timers: up to thirteen 16-bit (1x lowpower 16-bit timer available in Stop mode) and two 32-bit timers, each with up to four IC/OC/PWM or pulse counter and quadrature (incremental) encoder input. All 15 timers running up to 216 MHz. 2x watchdogs, SysTick timerl Debug mode– SWD and JTAG interfaces– Cortex®-M7 Trace Macrocell™l Up to 168 I/O ports with interrupt capability– Up to 164 fast I/Os up to 108 MHz– Up to 166 5 V-tolerant I/Os(Contact us for a quote) ARM Cortex-M7 Core Architecture and PerformanceThe STM32F767IIT6 features STMicroelectronics’ high-performance ARM Cortex-M7 32-bit RISC core, based on the ARMv7-M architecture, with a maximum clock speed of 216 MHz. Its key architectural advantages include: 1. L1 CacheThe Cortex-M7 integrates L1 instruction cache (I-Cache) and data cache (D-Cache). These caches reduce CPU stalls caused by Flash access, improving code execution and data processing efficiency. 2. Hardware FPUThe chip includes a high-performance hardware floating-point unit (FPU) compliant with IEEE 754. It supports single-precision operations and accelerates mathematical computations such as PID control, digital filtering, and Fast Fourier Transform (FFT), reducing execution time compared with software-based calculations. 3. Double-Precision ComputingIn addition to single-precision operations, the Cortex-M7 supports hardware-accelerated double-precision (64-bit) floating-point calculations. This benefits applications requiring high-precision scientific computing, precision measurements, and complex matrix operations. 4. Support for Complex AlgorithmsWith a clock speed of up to 216 MHz, the Cortex-M7 handles real-time control tasks and runs embedded operating systems such as FreeRTOS and ThreadX, as well as computationally intensive algorithms. Memory Organization: Flash and SRAM CapacityThe STM32F767IIT6 features up to 2 MB of Flash and 512 KB of SRAM, with a multi-level memory architecture designed for high-speed, real-time data processing.l 2 MB Dual-Bank Flash: Provides ample space for embedded operating systems such as FreeRTOS, protocol stacks, and GUI assets. The dual-bank architecture supports read-while-write operations, enabling firmware updates while the application continues running, subject to implementation requirements.l 512 KB SRAM and TCM: The device provides 512 KB of SRAM for data buffers and network packets. Its Instruction Tightly Coupled Memory (ITCM) and Data Tightly Coupled Memory (DTCM) connect directly to the Cortex-M7 core, enabling low-latency access.l Optimized Real-Time Processing: Developers can place time-critical algorithms, digital filters, and interrupt routines in ITCM, while storing frequently accessed real-time variables in DTCM to improve execution efficiency. Typical Applications of STM32F767IIT6 MCUThe microcontroller is suitable for a wide range of applications thanks to its high processing performance, rich peripheral interfaces, and real-time control capabilities. Typical applications include: 1. Motor Drives and Application ControlThe STM32F767IIT6 is suitable for controlling BLDC motors, servo motors, and other motor-driven systems that require fast response and accurate speed regulation. 2. Medical EquipmentIt can be used in medical equipment such as patient monitoring systems, diagnostic instruments, and portable medical devices. 3. Industrial ApplicationsThe STM32F767IIT6 is good for industrial control systems, including programmable logic controllers (PLCs), inverters, and circuit breakers. 4. Printers and ScannersThe MCU can manage data processing, motor control, and communication in printers and scanners. 5. Alarm Systems, Video Intercoms, and HVACThe STM32F767IIT6 can serve as a control unit in security and building automation systems. It supports sensor data acquisition, alarm processing, communication, user interface control, and more. 6. Home Audio AppliancesThe STM32F767IIT6 can handle audio signal processing and system control in home audio equipment. Typical applications include audio processors, digital amplifiers, and smart speakers. 7. Mobile Applications and Internet of Things (IoT)The STM32F767IIT6 provides the processing power and connectivity interfaces needed for IoT devices and portable electronic systems. 8. Wearable DevicesThe microcontroller can support wearable devices such as smartwatches that require sensor data processing, display control, and wireless communication through external modules. ANDE Electronics: Your Trusted Partner in Electronic Component Sourcing At ANDE Electronics, we make getting the electronic components you need simple and fast. We work directly with top global manufacturers to provide high-quality components that have passed our strict checks, so you can count on them for your projects.We also focus on quick and consistent delivery to keep your work on schedule and avoid delays. When you need reliable and efficient electronic parts for your projects, ANDE Electronics is a partner you can trust.(Contact us for a quote)
322
26/10/19
NEC NL6448BC26-09: 8.4-Inch TFT-LCD Display Module
Introduction and Overview of NL6448BC26-09The NL6448BC26-09 is a color LCD module that uses amorphous silicon thin-film transistor (a-Si TFT) technology. It consists mainly of a TFT-LCD panel, driver integrated circuits (Driver LSIs), and a backlight unit. This model features an 8.4-inch display with a resolution of 640 × 480 pixels (VGA), making it suitable for industrial and embedded equipment. The liquid crystal layer is located between the TFT array glass substrate and the color-filter glass substrate, regulating light transmission through the optical properties of the liquid crystals.During operation, red, green, and blue (RGB) image signals from the host system are processed by a signal processing circuit and then sent to the driver ICs, which control the individual pixels in the TFT array. The TFTs act as electro-optical switches, regulating the amount of light passing through the liquid crystal layer and color filters. By controlling the light transmission of the RGB subpixels, the module produces color images. The NL6448BC26-09 uses a cold-cathode fluorescent lamp (CCFL) backlight system, with a typical brightness of approximately 450 cd/m² and a typical contrast ratio of 600:1, meeting the display needs of various legacy equipment.(Contact us for a quote) Key Technical Specifications and ParametersThe table below presents the core specifications of NL6448BC26-09, detailing its performance and application requirements.ParameterSpecificationModelNL6448BC26-09BrandNECDisplay Size8.4"CompositionLCMResolution640(RGB)×480, VGA 95PPILuminance450 cd/m² (Typ.)Contrast Ratio600:1 (Typ.) (TM)Viewing Angle80/80/80/60Color Depth262K 40% NTSCLight Source2 pcs CCFL , 50K hours , No DriverInterface TypeCMOS (1 ch, 6-bit) , 31 pins ConnectorPixel FormatRGB Vertical StripeActive Area174.0(W)×131.4(H) mmFrame Rate60HzTouchscreenWithoutVoltage Supply3.3/5.0V (Typ.)Weight330/350g (Typ./Max.)Outline Size200(W)×152(H)×11(D) mmVibration Level2.0G (19.6 m/s²)Max RatingsOperating Temp.: -20 ~ 70 °C ; Storage Temp.: -30 ~ 85 °C Optical Performance and Display QualityThe NL6448BC26-09 offers a typical brightness of 450 cd/m², keeping images bright and readable in industrial control environments with strong indoor lighting or ambient light. It also features a typical static contrast ratio of 600:1, delivering clear distinctions between light and dark areas and sharp edges for UI icons and text. These characteristics help improve readability when operators need to monitor data for extended periods.In addition, the module features a wide-viewing-angle design, with typical viewing angles of 80° from the top, 60° from the bottom, and 80° from both the left and right. This helps maintain image visibility when viewed from different positions. Its surface features anti-glare treatment and a 3H hard coating, which help reduce reflections and provide resistance to minor scratches during normal use and cleaning. These features support practical use in industrial environments, although actual performance depends on installation conditions and handling. CCFL Backlight: Design and Maintenance ConsiderationsThe cold cathode fluorescent lamp (CCFL) backlight provides high-brightness, uniform illumination for the NL6448BC26-09 module. However, its high-voltage AC operation requires specific design and maintenance considerations. 1. Inverter and Electrical DesignHigh Voltage & Striking: Requires a dedicated inverter delivering over 1,000V AC starting voltage and stable operating current. Maintain proper PCB clearance to prevent electrical arcing.Current & Thermal Control: Drive the CCFL within specified current limits to avoid flickering or premature aging. Design sufficient heat dissipation to prevent thermal buildup inside the housing. 2. Maintenance GuidelinesLifespan & Replacement: Rated for 40,000–50,000 hours to half-brightness. Reddish tint, reduced brightness, or delayed ignition signal tube degradation; replace with matching CCFL assemblies.Safety & Inspection: Always disconnect power before servicing high-voltage circuits. Check inverter fuses, BLON control signals, and wiring harness integrity when troubleshooting lighting failure. Signal Interface and Pin ConfigurationThe NL6448BC26-09 industrial LCD module uses a standard 6-bit CMOS/TTL parallel interface, supporting 262,144 colors. It features a 31-pin connector with dedicated pins for RGB data signals, horizontal and vertical synchronization signals (HSYNC/VSYNC), the data enable (DE) signal, and 3.3V/5.0V logic power supplies, arranged to support reliable signal transmission and power delivery. Pin ConfigurationPin NumberSymbolPin NumberSymbol1GND2CLK3Hsync4Vsync5GND6R07R18R29R310R411R512GND13G014G115G216G317G418G519GND20B021B122B223B324B425B526GND27DE28VCC29VCC30N.C.31DPS(Contact us for a quote) Features and BenefitsThe NL6448BC26-09 uses proven TFT-LCD technology to deliver clear color images and stable display performance. Its key features help improve screen readability and make everyday operation more convenient.l Uses a-Si TFT technology for color image display.l Features a built-in CCFL backlight system without an integrated backlight driver.l Supports backlight lamp replacement for maintenance.l Offers a rated lamp life of at least 50,000 hours.l Operates in temperatures from -20°C to +70°C.l Supports storage temperatures from -30°C to +80°C.l Supports a maximum vibration level of 2.0G (19.6 m/s²).l Supports 180-degree image reversal for flexible installation. Industrial Applications and Use CasesThe NL6448BC26-09 is suitable for various industrial devices, displaying user interfaces, operating status, and monitoring data. The following sections introduce its main application areas. 1. Industrial Automation and Control SystemsThe NL6448BC26-09 can be used in industrial automation systems to display machine status, process parameters, and control information. It helps operators monitor equipment operation and interact with control interfaces during production.l Factory automation controllersl Production line monitoring systems 2. CNC Machines and Machine ToolsIn CNC machines and industrial machine tools, the NL6448BC26-09 can display machining parameters, tool status, operating instructions, and alarm messages. Its display capabilities support routine machine operation and status monitoring in manufacturing environments.l CNC milling machinesl CNC lathesl Industrial cutting machines 3. Industrial Testing and Measurement EquipmentThe NL6448BC26-09 can serve as a display module in testing and measurement instruments, presenting measurement readings, test results, and equipment status. l Electrical test instrumentsl Industrial data acquisition systemsl Automated test equipment (ATE) 4. Process Control and Monitoring SystemsIndustrial process control systems require displays for real-time process data, equipment conditions, and alarm notifications. The NL6448BC26-09 can be integrated into operator interfaces to help personnel monitor production processes and respond to abnormal conditions.l Chemical process control panelsl Water treatment monitoring systemsl Industrial temperature control units NL6448BC26-09 DatasheetYou can refer to the official datasheet of NEC NL6448BC26-09 LCD to see more details:Datasheet PDF Frequently Asked QuestionsWhat is the NL6448BC26-09 LCD module?The NL6448BC26-09 is an 8.4-inch a-Si TFT-LCD module from NEC LCD Technologies, designed for industrial and embedded display applications. What type of backlight does the NL6448BC26-09 use?The NL6448BC26-09 uses a CCFL (Cold Cathode Fluorescent Lamp) backlight system. It does not include an integrated backlight driver, so a compatible external inverter is required. Does the NL6448BC26-09 support touch input?No. The NL6448BC26-09 does not have a built-in touchscreen. Touch functionality would require a separate compatible touch panel and controller. What should be checked when replacing the NL6448BC26-09?Check the display dimensions, resolution, connector and pinout, interface signals, power requirements, mounting structure, and CCFL backlight drive requirements. A replacement should be confirmed against the original equipment specifications and the module's datasheet. ANDE Electronics: Reliable LCD Display Solutions As a professional display supplier, Ande Electronics is committed to providing LCD modules that meet modern application needs.We offer not only high-quality display products but also reliable technical support and flexible purchasing options. Our experienced engineering team works closely with customers to provide guidance on module selection, integration, and optimization.Choosing Ande Electronics, then engineers and manufacturers will gain a partner focused on quality, innovation, and efficiency.(Contact us for a quote)
127
26/10/15
IRF7103TRPBF MOSFET: Pinout and Circuit Applications
What Is the IRF7103TRPBF?The IRF7103TRPBF is a dual N-channel power MOSFET housed in an SO-8 surface-mount package. It integrates two N-channel MOSFETs and has a drain-to-source voltage rating of 50V. Built on advanced HEXFET® planar technology, it significantly reduces on-resistance per unit area of silicon.The device also features low gate charge and fast switching capability, with a maximum operating junction temperature of 150°C. The suffix "TRPBF" indicates tape-and-reel packaging for surface-mount assembly and compliance with RoHS lead-free requirements. It is commonly used in power management, load switching, and other power control circuits.(Contact us for a quote) How Does the IRF7103TRPBF Work?The IRF7103TRPBF operates using the electric-field control of N-channel enhancement-mode MOSFETs. It integrates two independent MOSFETs, each with a gate, source, and drain. When the gate-source voltage (VGS) exceeds the threshold voltage (typically 1.0–3.0 V), a conductive channel forms, allowing current to flow. When VGS falls below the threshold or reaches 0 V, the channel turns off, enabling fast switching.Built on Infineon’s HEXFET® technology, the device offers low on-resistance (as low as 0.13 Ω at VGS = 10 V), reducing conduction losses. Its two independently controlled channels can operate as separate switches or be used in suitable power-control circuits. With PWM signals, it can help regulate power to motors and other loads. Technical SpecificationsThis section lists the key specifications of the IRF7103TRPBF dual N-channel power MOSFET.ParameterValuePart NumberIRF7103TRPBFManufacturerInfineon TechnologiesDescriptionMOSFET 2N-CH 50V 3A 8-SOICLead Free Status / RoHS StatusLead free / RoHS CompliantRds On (Max) @ Id, Vgs130 mOhm @ 3A, 10VFET FeatureStandardFET Type2 N-Channel (Dual)SeriesHEXFET®Drain to Source Voltage (Vdss)50VGate Charge (Qg) (Max) @ Vgs30nC @ 10VPower - Max2WVgs(th) (Max) @ Id3V @ 250µACurrent - Continuous Drain (Id) @ 25°C3AMounting TypeSurface MountInput Capacitance (Ciss) (Max) @ Vds290pF @ 25VPackagingCut Tape (CT)Operating Temperature-55°C ~ 150°C (TJ)Supplier Device Package8-SOPackage / Case8-SOIC (0.154, 3.90mm Width)Base Part NumberIRF7103PBF Dual N-Channel Architecture BenefitsThe IRF7103TRPBF integrates two independent N-channel MOSFETs in a single SO-8 surface-mount package, optimizing PCB space. Compared with using two separate single-channel MOSFETs, this design can reduce board space, simplify routing, and lower component count and BOM complexity.The shared package supports compact thermal and electrical integration. Shorter current paths can help reduce parasitic inductance and resistance in high-frequency switching circuits, minimizing voltage spikes and improving signal integrity. The compact layout also allows for a more centralized thermal copper area, helping improve heat dissipation and system stability. Pin Configuration The IRF7103TRPBF comes in a standard 8-pin SO-8 package. Here are its pin descriptions listed:The IRF7103TRPBF comes in a standard 8-pin SO-8 package. Here are its pin descriptions listed:Pin 1 (S1): Source 1 – Current outlet/ground connection for Channel 1.Pin 2 (G1): Gate 1 – Gate drive control signal input for Channel 1. Pin 3 (S2): Source 2 – Current outlet/ground connection for Channel 2.Pin 4 (G2): Gate 2 – Gate drive control signal input for Channel 2.Pin 5 (D2): Drain 2 – Current inlet for Channel 2 (internally connected to Pin 6).Pin 6 (D2): Drain 2 – Current inlet for Channel 2 (internally connected to Pin 5 for power dissipation and conduction).Pin 7 (D1): Drain 1 – Current inlet for Channel 1 (internally connected to Pin 8).Pin 8 (D1): Drain 1 – Current inlet for Channel 1 (internally connected to Pin 7 for power dissipation and conduction). Power Dissipation and Thermal ManagementThe total power dissipation of the IRF7103TRPBF consists mainly of conduction losses (Pcond=I²RDS(on)) and switching losses at high frequencies. Due to its compact SO-8 package, heat must be dissipated primarily through the PCB pins and copper areas. Key Thermal Parameters and Design Recommendations:l Key Parameters: Junction-to-ambient thermal resistance (RθJA) ≈ 62.5°C/W, maximum junction temperature (Tj) = 150°C, and maximum power dissipation of approximately 2.0 W at an ambient temperature of 25°C.l Drain Pin Copper Area: Use the internal drain connections at pins 5/6 (D2) and pins 7/8 (D1) to provide large 2 oz copper areas for heat dissipation.l Thermal Vias and Derating: Add thermal vias beneath the pads to connect to internal or bottom-layer ground planes. At ambient temperatures above 50°C, derate the current as needed to keep the junction temperature below 120°C.(Contact us for a quote) Gate Drive Requirements & Logic Compatibility1. Drive Voltage vs. On-Resistance (VGS vs. RDS(on))l Recommended Drive Voltage: A standard gate-drive voltage of 10 V provides low on-resistance (RDS(on) ≤ 0.13 Ω), minimizing conduction losses.l Voltage Limits: The maximum gate-source voltage is ±20 V. A practical drive voltage of 10–15 V is recommended, subject to datasheet specifications. 2. Logic-Level Compatibilityl Threshold Voltage: The gate-source threshold voltage (VGS(th)) is 1.0–3.0 V.l Direct MCU Drive Risks: Directly driving high-current loads from 3.3 V or 5 V MCU GPIO pins is not recommended, as the MOSFET may not turn on fully and could overheat.l Design Recommendation: Use a gate driver IC or level-shifting circuit between the MCU and the gate to provide an appropriate drive voltage, such as 10 V. 3. Gate Drive Circuit Designl Low Gate Charge: With a typical gate charge (Qg) of approximately 12 nC, the device can be suitable for high-frequency PWM switching, depending on the driver capability.l Recommended Gate Resistor: A series gate resistor of 10–47 Ω can help suppress high-frequency oscillations.l Gate Pull-Down Resistor: A 10 kΩ resistor between gate and source helps ensure reliable turn-off. Peak Diode Recovery dv/dt Test Circuit Typical Application ScenariosThe IRF7103TRPBF is suitable for space-constrained power switching and control circuits. Typical applications include: DC-DC ConvertersIt is commonly used as a switching device in buck or boost converter designs when voltage, current, and switching requirements are met. Power Management CircuitsThe IRF7103TRPBF supports power switching and control in compact electronic systems. Load SwitchingIt controls power delivery to electronic loads in embedded systems and consumer electronics. Battery-Powered DevicesThe MOSFET can be used in battery power switching and power-path control circuits within its electrical ratings. Motor Control CircuitsThe IRF7103TRPBF is suitable for switching small motor loads when the current, thermal limits, and drive requirements are properly managed. SO-8 Package Outline ANDE Electronics: Your Trusted Partner in Electronic Component Sourcing At ANDE Electronics, we make getting the electronic components you need simple and fast. We work directly with top global manufacturers to provide high-quality components that have passed our strict checks, so you can count on them for your projects.We also focus on quick and consistent delivery to keep your work on schedule and avoid delays. When you need reliable and efficient electronic parts for your projects, ANDE Electronics is a partner you can trust.(Contact us for a quote)
184
