TLC5947RHBR - Texas Instruments

Manufacturer Part Number

TLC5947RHBR

Manufacturer

Texas Instruments

Introduction

The TLC5947RHBR is an integrated circuit PMIC LED driver designed for power management of backlighting applications, utilizing a linear topology with a built-in shift register.

Product Features and Performance

24-channel LED driver with integrated shift register

Linear control for precise LED dimming

Internal switches included

Supports a supply voltage range from 3V to 5.5V

Delivers a stable output voltage of up to 30V

Capable of supplying a constant current of 30mA per channel

High-frequency operation at 4MHz

Designed for surface mount technology (SMT)

Provided in a 32-VFQFN Exposed Pad package

Product Advantages

Enables smooth and precise dimming control

Supports a wide range of LED configurations with 24 outputs

High integration reduces external component count

Suitable for both simple and complex LED driving applications

Key Technical Parameters

Number of Outputs: 24

Voltage - Supply (Min): 3V

Voltage - Supply (Max): 5.5V

Voltage - Output: 30V

Current - Output / Channel: 30mA

Frequency: 4MHz

Operating Temperature: -40°C ~ 85°C

Quality and Safety Features

Built with high-reliability design for a wide operating temperature range

Offers thermal protection and LED open/short detection

Compatibility

Compatible with a broad range of LEDs requiring constant current supply

Application Areas

Primarily used for LED backlighting in various applications

Product Lifecycle

Product Status: Active

Not currently nearing discontinuation, with continued availability for new designs

Several Key Reasons to Choose This Product

High channel count is ideal for managing multiple LEDs with precision

Efficient power management for extending the life of LEDs

Flexible usage across a wide voltage range accommodates various power supplies

Consistent performance at high frequencies ensuring flicker-free illumination

Texas Instruments’ reputation for quality and reliability

Suitable for demanding environments with its wide operating temperature range

Compact package size ideal for space-sensitive applications