TPS61176RTER

Overview

The TPS61176RTER is a high-efficiency, six-channel white LED driver designed for single-cell lithium-ion battery applications. It utilizes a boost topology to drive up to six channels with an integrated power MOSFET. The device supports an input voltage range of 2.7 V to 6.5 V and delivers a maximum output current of 35 mA per channel. It operates at a switching frequency of 1 MHz and provides an output voltage capability up to 38 V. The component functions within a temperature range of -40°C to +85°C and is housed in a WQFN-16 package.

Feature Summary

• Six independent current-regulated channels for uniform white LED driving
• Integrated high-efficiency boost converter with internal power switch
• Supports both analog and PWM dimming control methods
• Designed for direct connection to single-cell lithium-ion batteries

Applications

• Tablet computer display backlighting
• Notebook PC screen illumination
• Mobile phone LCD backlight systems
• Portable electronic device lighting modules

Procurement Notes

Verify the specific suffix 'RTER' against the manufacturer's official ordering guide to confirm the exact reel quantity and tape-and-reel specifications. Ensure the procurement source provides valid RoHS compliance documentation consistent with the component's environmental standards. Cross-reference the part number with the latest datasheet revision to confirm pinout compatibility and electrical characteristics before finalizing purchase orders.

Selection Notes

Select this component when designing circuits requiring multi-channel white LED illumination from a single-cell power source. It is suitable for space-constrained portable devices where high efficiency and low quiescent current are critical. Consider the WQFN-16 package dimensions and thermal requirements during PCB layout. Verify that the application demands match the 35 mA per channel output limit and the 1 MHz switching frequency constraints.

Part Context

The TPS61176 series belongs to Texas Instruments' portfolio of LED lighting drivers optimized for portable electronics. This specific variant focuses on high-efficiency performance for white LED arrays. It complements other TI power management solutions by providing dedicated channel control for display backlights. The device addresses the need for uniform brightness across multiple LEDs while maintaining system power efficiency.

Replacement Considerations

Consult the official datasheet for listed alternative part numbers or functional equivalents within the same product family. Verify pin-to-pin compatibility and electrical parameter alignment before substituting.