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Drivers para pantallas LED

TLC5927

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Controlador de disipador LED de corriente constante y 16 bits con detección corta

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TLC5927

ACTIVO
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Detalles del producto

Features LED Open Detection, LED Short to Ground Detection, LED Short to VLED Detection, ON/OFF LED Driver, Thermal shutdown Analog dimming steps 256 Data transfer rate (typ) (MHz) 30 Ch to ch accuracy (typ) (±%) 6 Rating Catalog Operating temperature range (°C) -40 to 125
Features LED Open Detection, LED Short to Ground Detection, LED Short to VLED Detection, ON/OFF LED Driver, Thermal shutdown Analog dimming steps 256 Data transfer rate (typ) (MHz) 30 Ch to ch accuracy (typ) (±%) 6 Rating Catalog Operating temperature range (°C) -40 to 125
SOIC (DW) 24 159.65 mm² (15.5 mm × 10.3 mm) SSOP (DBQ) 24 51.9 mm² (8.65 mm × 6 mm) HTSSOP (PWP) 24 49.92 mm² (7.8 mm × 6.4 mm)
  • 16 Constant-Current Output Channels
  • Output Current Adjusted By External Resistor
  • Constant Output Current Range: 5 mA to 120 mA
  • Constant Output Current Invariant to Load Voltage Change
  • Open-Load and Shorted-Load Detection
  • 256-Step Programmable Global Current Gain
  • Excellent Output Current Accuracy:
    • Between Channels: < ±6% (Max), 10 mA to 50 mA
    • Between ICs: < ±6% (Max), 10 mA to 50 mA
  • 30-MHz Maximum Clock Frequency
  • Schmitt-Trigger Input
  • 3.3-V or 5-V Supply Voltage
  • Thermal Shutdown for Overtemperature Protection
  • 16 Constant-Current Output Channels
  • Output Current Adjusted By External Resistor
  • Constant Output Current Range: 5 mA to 120 mA
  • Constant Output Current Invariant to Load Voltage Change
  • Open-Load and Shorted-Load Detection
  • 256-Step Programmable Global Current Gain
  • Excellent Output Current Accuracy:
    • Between Channels: < ±6% (Max), 10 mA to 50 mA
    • Between ICs: < ±6% (Max), 10 mA to 50 mA
  • 30-MHz Maximum Clock Frequency
  • Schmitt-Trigger Input
  • 3.3-V or 5-V Supply Voltage
  • Thermal Shutdown for Overtemperature Protection

The TLC592x is designed for LED displays and LED lighting applications with open-load, shorted-load, and over temperature detection, and constant-current control. The TLC592x contains a 16-bit shift register and data latches, which convert serial input data into parallel output format. At the TLC592x output stage, 16 regulated-current ports provide uniform and constant current for driving LEDs within a wide range of VF (forward voltage) variations. Used in systems designed for LED display applications (for example, LED panels), TLC592x provides great flexibility and device performance. Users can adjust the output current from 5 mA to 120 mA through an external resistor, Rext, which gives flexibility in controlling the light intensity of LEDs. The TLC592x is designed for up to 17 V at the output port. The high clock frequency, 30 MHz, also satisfies the system requirements of high-volume data transmission.

The TLC592x is designed for LED displays and LED lighting applications with open-load, shorted-load, and over temperature detection, and constant-current control. The TLC592x contains a 16-bit shift register and data latches, which convert serial input data into parallel output format. At the TLC592x output stage, 16 regulated-current ports provide uniform and constant current for driving LEDs within a wide range of VF (forward voltage) variations. Used in systems designed for LED display applications (for example, LED panels), TLC592x provides great flexibility and device performance. Users can adjust the output current from 5 mA to 120 mA through an external resistor, Rext, which gives flexibility in controlling the light intensity of LEDs. The TLC592x is designed for up to 17 V at the output port. The high clock frequency, 30 MHz, also satisfies the system requirements of high-volume data transmission.
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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos TLC592x 16-Channel Constant-Current LED Sink Drivers datasheet (Rev. C) PDF | HTML 27/10/2015
Informe Common LED Functions and LED Driver Design Considerations 21/09/2020
Guía de selección Power Management Guide 2018 (Rev. R) 25/06/2018
Nota sobre la aplicación One-Wire Control – Eliminating Microprocessor Control for LED Driver 24/07/2009

Diseño y desarrollo

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Diseño de referencia

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