TLC5924 - 具有点校正功能和预充电 FET 的 16 通道 LED 驱动器

TLC5924是TI德州仪器公司的一款标牌/线性产品，TLC5924是具有点校正功能和预充电 FET 的 16 通道 LED 驱动器，本站介绍了TLC5924的封装应用图解、特点和优点、功能等，并给出了与TLC5924相关的TI元器件型号供参考。

TLC5924 - 具有点校正功能和预充电 FET 的 16 通道 LED 驱动器 - 标牌/线性 - LED驱动器 - 德州仪器

产品描述

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.

产品特性

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 ErrorFlag
APPLICATIONS
- Monocolor, Multicolor, Fullcolor LED Display
- Monocolor, Multicolor LED Signboard
- Display Backlighting
- Multicolor LED lighting applications

PowerPAD is a trademark of Texas Instruments.

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