TLC5947RHBT - Texas Instruments

Manufacturer Part Number

TLC5947RHBT

Manufacturer

Texas Instruments

Introduction

The TLC5947RHBT is a high-precision LED driver with a 24-channel output, designed for an array of lighting applications.

Product Features and Performance

24 individually controllable channels

Linear topology with a shift register interface

Integrated power-on reset

Error detection mode for open LEDs

Grayscale PWM control

Programmable LED current for each channel

LED array thermal protection

Product Advantages

Enables precise control over lighting effects

Supports a broad range of LED applications

Highly integrated solution reduces external component count

Error detection enhances reliability of LED arrays

High resolution of brightness control

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

Thermal shutdown protection

Under-voltage lockout (UVLO)

Channel fault (open LED) detection

Pre-thermal warning

Compatibility

Supports a wide range of LEDs with different forward voltages

Compatible with microcontrollers for PWM input

Application Areas

Backlighting for LCD displays

LED video displays

Lighting solutions

General-purpose LED illumination

Product Lifecycle

Status: Active

The product is currently being manufactured and sold.

No indication of nearing discontinuation.

Replacements and upgrades are available within the Texas Instruments product range.

Several Key Reasons to Choose This Product

Precision control with 24 output channels allows for complex lighting designs.

Extended power supply range (3V to 5.5V) supports diverse applications.

High output voltage (up to 30V) suitable for higher forward voltage LEDs.

Integrated features reduce the need for external components and simplify design.

Robust thermal management and fault detection ensure long-term reliability.

Active product status implies ongoing support and availability from Texas Instruments.

Versatile application range, from backlighting to general illumination.