Inicio Gestión de la energía Controladores LED Drivers para pantallas LED
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Gestión de la energía
Controladores LED
Drivers para pantallas LED

TLC5916

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Controlador de disipador LED de corriente constante y 8 bits

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TLC5916

ACTIVO
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Detalles del producto

Features Error Flag, Fault Detection, 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) (±%) 3 Rating Catalog Operating temperature range (°C) -40 to 125
Features Error Flag, Fault Detection, 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) (±%) 3 Rating Catalog Operating temperature range (°C) -40 to 125
PDIP (N) 16 181.42 mm² 19.3 x 9.4 SOIC (D) 16 59.4 mm² 9.9 x 6 TSSOP (PW) 16 32 mm² 5 x 6.4
  • Eight Constant-Current Output Channels
  • Output Current Adjusted Through Single External Resistor
  • Constant Output Current Range: 3-mA to 120-mA per Channel
  • Constant Output Current Invariant to Load Voltage Change
  • Open Load, Short Load and Overtemperature Detection
  • 256-Step Programmable Global Current Gain
  • Excellent Output Current Accuracy:
    • Between Channels: < ±3% (Maximum)
    • Between ICs: < ±6% (Maximum)
  • Fast Response of Output Current
  • 30-MHz Clock Frequency
  • Schmitt-Trigger Input
  • 3.3-V or 5-V Supply Voltage
  • Maximum LED Voltage 20-V
  • Thermal Shutdown for Overtemperature Protection
  • APPLICATIONS
    • General LED Lighting Applications
    • LED Display Systems
    • LED Signage
    • Automotive LED Lighting
    • White Goods
    • Gaming Machines/Entertainment

All other trademarks are the property of their respective owners
  • Eight Constant-Current Output Channels
  • Output Current Adjusted Through Single External Resistor
  • Constant Output Current Range: 3-mA to 120-mA per Channel
  • Constant Output Current Invariant to Load Voltage Change
  • Open Load, Short Load and Overtemperature Detection
  • 256-Step Programmable Global Current Gain
  • Excellent Output Current Accuracy:
    • Between Channels: < ±3% (Maximum)
    • Between ICs: < ±6% (Maximum)
  • Fast Response of Output Current
  • 30-MHz Clock Frequency
  • Schmitt-Trigger Input
  • 3.3-V or 5-V Supply Voltage
  • Maximum LED Voltage 20-V
  • Thermal Shutdown for Overtemperature Protection
  • APPLICATIONS
    • General LED Lighting Applications
    • LED Display Systems
    • LED Signage
    • Automotive LED Lighting
    • White Goods
    • Gaming Machines/Entertainment

All other trademarks are the property of their respective owners

The TLC591x Constant-Current LED Sink Drivers are designed to work alone or cascaded. Since each output is independently controlled, they can be programmed to be on or off by the user. The high LED voltage (VLED) allows for the use of a single LED per output or multiple LEDs on a single string. With independently controlled outputs supplied with constant current, the LEDs can be combined in parallel to create higher currents on a single string. The constant sink current for all channels is set through a single external resistor. This allows different LED drivers in the same application to sink various currents which provides optional implementation of multi-color LEDs. An additional advantage of the independent outputs is the ability to leave unused channels floating. The flexibility of the TLC591x LED drivers is ideal for applications such as (but not limited to): 7-segment displays, scrolling single color displays, gaming machines, white goods, video billboards and video panels.

The TLC591x Constant-Current LED Sink Drivers are designed to work alone or cascaded. Since each output is independently controlled, they can be programmed to be on or off by the user. The high LED voltage (VLED) allows for the use of a single LED per output or multiple LEDs on a single string. With independently controlled outputs supplied with constant current, the LEDs can be combined in parallel to create higher currents on a single string. The constant sink current for all channels is set through a single external resistor. This allows different LED drivers in the same application to sink various currents which provides optional implementation of multi-color LEDs. An additional advantage of the independent outputs is the ability to leave unused channels floating. The flexibility of the TLC591x LED drivers is ideal for applications such as (but not limited to): 7-segment displays, scrolling single color displays, gaming machines, white goods, video billboards and video panels.
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Documentación técnica

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* Data sheet TLC591x 8-Channel Constant-Current LED Sink Drivers datasheet (Rev. D) PDF | HTML 09 ene 2015
White paper Common LED Functions and LED Driver Design Considerations 21 sep 2020
Selection guide Power Management Guide 2018 (Rev. R) 25 jun 2018
Application note One-Wire Control – Eliminating Microprocessor Control for LED Driver 24 jul 2009

Diseño y desarrollo

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PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Diseños de referencia

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This reference design demonstrates the working of various functional blocks of an automatic power factor controller (PFC) used in MV/LV electrical distribution. This includes accurate measurement and computation of voltages, currents, power and power factor, display of measured parameters (...)
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Esquema: PDF
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PDIP (N) 16 Ver opciones
SOIC (D) 16 Ver opciones
TSSOP (PW) 16 Ver opciones
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