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TLC5924

現行

具點校正功能和預充電 FET 的 16 通道 LED 驅動器

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產品規格表

TLC5924

現行
產品規格表 立即訂購

產品詳細資料

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
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
HTSSOP (DAP) 32 89.1 mm² 11 x 8.1 VQFN (RHB) 32 25 mm² 5 x 5 — (—) — See data sheet
  • 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.

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.

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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技術文件

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類型 標題 日期
* Data sheet 16-Channel LED Driver With DOT Correction and Pre-Charge FET datasheet 2006年 6月 20日
White paper Common LED Functions and LED Driver Design Considerations 2020年 9月 21日
Selection guide Power Management Guide 2018 (Rev. R) 2018年 6月 25日
EVM User's guide TLC5924EVM (Rev. A) 2007年 6月 13日
Application note LED Driver--Paralleled Outputs Provide High Current Outputs 2006年 9月 25日

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模擬型號

TLC5924 IBIS Model Version 1.0

SLIM017.ZIP (12 KB) - IBIS Model
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