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TLC5924
  • TLC5924
  • TLC5924
  • TLC5924

TLC5924

ACTIVE

16-channel LED driver w/dot correction & pre-charge FET

Texas Instruments TLC5924 Product Info

1 April 2026 4

Parameters

Features

Error Flag, Fault Detection, LED Open Detection, ON/OFF LED Driver, Power good

Analog dimming steps

128

Data transfer rate (typ) (MHz)

30

Ch to ch accuracy (typ) (±%)

1

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Package

HTSSOP (DAP)-32-89.1 mm² 11 x 8.1

Features

  • 16 Channels
  • Drive Capability
    • 0 to 80 mA (Constant–Current Sink)
  • Constant Current Accuracy: ±1% (typical)
  • Serial Data Interface
  • Fast Switching Output: Tr / Tf = 10ns (typical)
  • CMOS Level Input/Output
  • 30 MHz Data Transfer Rate
  • VCC = 3.0 V to 5.5 V
  • Operating Temperature = –40°C to 85°C
  • LED Supply Voltage up to 17 V
  • 32–pin HTSSOP(PowerPAD) and QFN Packages
  • Dot Correction
    • 7 bit (128 Steps)
    • individual adjustable for each channel
  • Controlled In–Rush Current
  • Pre–Charge FET
  • Error Information
    • LOD: LED Open Detection
    • TEF: Thermal Error Flag
  • APPLICATIONS
    • Monocolor, Multicolor, Fullcolor LED Display
    • Monocolor, Multicolor LED Signboard
    • Display Backlighting
    • Multicolor LED lighting applications

PowerPAD is a trademark of Texas Instruments.

  • 16 Channels
  • Drive Capability
    • 0 to 80 mA (Constant–Current Sink)
  • Constant Current Accuracy: ±1% (typical)
  • Serial Data Interface
  • Fast Switching Output: Tr / Tf = 10ns (typical)
  • CMOS Level Input/Output
  • 30 MHz Data Transfer Rate
  • VCC = 3.0 V to 5.5 V
  • Operating Temperature = –40°C to 85°C
  • LED Supply Voltage up to 17 V
  • 32–pin HTSSOP(PowerPAD) and QFN Packages
  • Dot Correction
    • 7 bit (128 Steps)
    • individual adjustable for each channel
  • Controlled In–Rush Current
  • Pre–Charge FET
  • Error Information
    • LOD: LED Open Detection
    • TEF: Thermal Error Flag
  • APPLICATIONS
    • Monocolor, Multicolor, Fullcolor LED Display
    • Monocolor, Multicolor LED Signboard
    • Display Backlighting
    • Multicolor LED lighting applications

PowerPAD is a trademark of Texas Instruments.

Description

The TLC5924 is a 16 channel constant–current sink driver. Each channel has a On/Off state and a 128–step adjustable constant current sink (dot correction). The dot correction adjusts the brightness variations between LED, LED channels and other LED drivers. Both dot correction and On/Off state are accessible via a serial data interface. A single external resistor sets the maximum current of all 16 channels.

Each constant–current output has a pre–charge FET that enables an improvement in image quality of the dynamic–drive LED display.

The TLC5924 features two error information circuits. The LED open detection (LOD) indicates a broken or disconnected LED at an output terminal. The thermal error flag (TEF) indicates an over–temperature condition.

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