TPS61043DRBTG4

Overview

The TPS61043DRBTG4 is a constant current LED driver IC manufactured by Texas Instruments. It supports powering up to four LEDs in series with an input voltage range of 1.8 V to 6 V. The device features an internal 30-V switch and achieves up to 85% efficiency. It provides precise brightness control using PWM dimming signals.

Feature Summary

• Constant current regulation for LED applications
• Supports up to four series-connected LEDs
• PWM-based precise brightness control capability

Applications

• LED lighting systems
• Portable electronic devices requiring LED illumination
• Battery-powered lighting modules

Procurement Notes

Verify the specific ordering suffix DRBTG4 against official Texas Instruments documentation to confirm package type, tape-and-reel specifications, and environmental compliance status such as RoHS requirements before finalizing procurement orders.

Selection Notes

Select this component when designing circuits requiring constant current drive for multiple series LEDs within a 1.8 V to 6 V input range. Ensure the application demands high efficiency and PWM dimming compatibility while fitting within the thermal and spatial constraints of the available package.

Part Context

This part belongs to the TPS6104x family of boost converters designed specifically for LED driving. It integrates power switches and control logic to simplify design. The DRBTG4 designation indicates a specific surface-mount package configuration provided by Texas Instruments for automated assembly processes.

Replacement Considerations

Consult official cross-reference lists for direct substitutes. Verify electrical compatibility including input voltage, output current, and package dimensions if considering alternative manufacturers or different TI part numbers.