TLC5940PWPR - Texas Instruments

Manufacturer Part Number

TLC5940PWPR

Manufacturer

Texas Instruments

Introduction

The TLC5940 is a 16-channel LED driver integrated circuit.

Product Features and Performance

16 LED channels with independent brightness and grayscale control

30MHz data transfer rate for serial data input

Serial interface for control signals

Error detection mode to identify open-circuit and short-circuit errors

Pre-charge FET control for ghosting prevention

Grayscale PWM control for each LED channel

LED power-supply voltage up to 17V

Product Advantages

High-performance integrated PWM for each channel enables precise brightness control

Supports high-voltage LED operation

Built-in error detection improves reliability

Compact 28-PowerTSSOP package saves board space

Key Technical Parameters

16 output channels

Voltage - Supply (Min): 3V

Voltage - Supply (Max): 5.5V

Voltage - Output: 17V

Current - Output / Channel: 120mA

Frequency: 30MHz

Integrated switches

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Thermal shutdown feature for overheating protection

Open- and short-circuit detection for improved safety

Under voltage lockout for stability

Compatibility

Compatible with multiple LED types within its voltage and current specifications

Application Areas

Designed primarily for LED backlight applications

Product Lifecycle

Active product with ongoing manufacturer support

Several Key Reasons to Choose This Product

Suitable for high-precision LED applications

Flexible power management with a broad voltage range

Robust thermal and electrical protection mechanisms

High integration saves on additional components

Can drive multiple LED configurations with precise control