Texas Instruments

TLC5947RHBR  

External/Internal LED Drivers

The TLC5947RHBR is a 24-channel, constant-current LED driver from Texas Instruments. It is designed to provide efficient and precise control of LED arrays in various applications, such as backlighting for LCDs, LED lighting, and LED signage.

Description:

The TLC5947RHBR is a highly integrated LED driver that uses Texas Instruments' proprietary LED Driver Architecture. It features a 24-channel output with a constant-current source for each channel, allowing for precise control of LED brightness and color. The device is available in a compact 48-pin QFN package, making it suitable for space-constrained applications.

Features:

1. 24-channel constant-current LED driver
2. Wide input voltage range (4.5V to 5.5V)
3. Individual current control for each channel
4. High efficiency (up to 92%)
5. Programmable shutdown mode for power saving
6. Integrated oscillator for precise timing control
7. Short-circuit and over-temperature protection
8. I2C-compatible interface for easy integration with microcontrollers
9. Small form factor (48-pin QFN package)

Applications:

1. LCD backlighting: The TLC5947RHBR can be used to drive LED arrays in LCD backlighting applications, providing precise control over the brightness and color of each LED.
2. LED lighting: The device can be used in LED lighting applications, such as residential, commercial, and industrial lighting, to control the brightness and color of LED arrays.
3. LED signage: The TLC5947RHBR can be used to drive LED arrays in electronic signs and billboards, providing precise control over the brightness and color of each LED.
4. Automotive applications: The device can be used in automotive applications, such as interior and exterior lighting, providing efficient and precise control of LED arrays.
5. General-purpose LED control: The TLC5947RHBR can be used in any application that requires precise control of multiple LED arrays, such as ambient lighting, decorative lighting, or status indicators.

In summary, the TLC5947RHBR is a versatile and efficient LED driver from Texas Instruments, designed to provide precise control over LED arrays in various applications. Its compact form factor, high efficiency, and I2C-compatible interface make it an ideal choice for space-constrained and energy-efficient designs.

TLC5947RHBR Documents

Download datasheets and manufacturer documentation for TLC5947RHBR

PCN Assembly/Origin :

Revision D 13/Jan/2017      

Datasheets :

TLC5947 Datasheet      

Design Resources :

Lighting Product Selector      

Other Related Documents :

Power Management Guide      

HTML Datasheet :

TLC5947 Datasheet