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TI(德州仪器) TLC5923
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  • TI(德州仪器) TLC5923
  • TI(德州仪器) TLC5923
  • TI(德州仪器) TLC5923
  • TI(德州仪器) TLC5923
  • TI(德州仪器) TLC5923
  • TI(德州仪器) TLC5923
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TLC5923

TLC5923

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具有 20MHz 数据传输速率的 16 通道 LED 驱动器,带点校正和完整诊断功能

产品详情
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  • 特性
  • 参数
  • 封装 | 引脚 | 尺寸

The TLC5923 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.

The TLC5923 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 overtemperature condition.

  • 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
  • Error Information
    • LOD: LED Open Detection
    • TEF: Thermal Error Flag
FeaturesError Flag, Fault Detection, LED Open Detection, ON/OFF LED Driver, Power good
Analog dimming steps128
Data transfer rate (typ) (MHz)30
Ch to ch accuracy (typ) (±%)1
RatingCatalog
Operating temperature range (°C)-40 to 85
HTSSOP (DAP)3289.1 mm² 11 x 8.1
VQFN (RHB)3225 mm² 5 x 5
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