TLC5941 - 带有像点修正与灰度 PWM 控制的 16 通道 LED 驱动器

TLC5941是TI德州仪器公司的一款标牌/线性产品，TLC5941是带有像点修正与灰度 PWM 控制的 16 通道 LED 驱动器，本站介绍了TLC5941的封装应用图解、特点和优点、功能等，并给出了与TLC5941相关的TI元器件型号供参考。

TLC5941 - 带有像点修正与灰度 PWM 控制的 16 通道 LED 驱动器 - 标牌/线性 - LED驱动器 - 德州仪器

产品描述

The TLC5941 is a 16-channel, constant-current sink, LED driver. Each channel has an individually adjustable 4096-step grayscale PWM brightness control and a 64-step constant-current sink (dot correction). The dot correction adjusts the brightness variations between LED channels and other LED drivers. Both grayscale control and dot correction are accessible via a serial interface. A single external resistor sets the maximum current value of all 16 channels.

The TLC5941 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.

产品特性

16 Channels
12-Bit (4096 Steps) Grayscale PWM Control
Dot Correction
- 6 Bit (64 Steps)
Drive Capability (Constant-Current Sink)
- 0 mA to 80 mA
LED Power Supply Voltage up to 17 V
VCC = 3.0 V to 5.5 V
Serial Data Interface
Controlled In-Rush Current
30-MHz Data Transfer Rate
CMOS Level I/O
Error Information
- LOD: LED Open Detection
- TEF: Thermal Error Flag
APPLICATIONS
- Monocolor, Multicolor, Full-Color LED Displays
- LED Signboards
- Display Back-Lighting

PowerPAD is a trademark of Texas Instruments.

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