TPS61050DRCR

Overview

The TPS61050DRCR is a synchronous boost converter designed for high-power white LED driving applications. It operates within an input voltage range of 2.5 V to 6 V and delivers a maximum output current of 1.2 A. The device features a fixed switching frequency of 2 MHz and supports a maximum output voltage of 5.5 V. Packaged in a 10-pin VSON (3x3 mm) format, it functions across a temperature range of -40°C to +85°C with a maximum power dissipation of 2.4 W.

Feature Summary

• Integrates a synchronous boost topology for efficient step-up conversion
• Supports PWM dimming control for precise brightness regulation
• Includes load disconnect functionality during shutdown mode

Applications

• High-power white LED lighting drivers
• Portable electronic device backlighting systems
• Battery-powered LED illumination modules

Procurement Notes

Verify the specific package marking and date code against the manufacturer's latest datasheet revision to ensure component authenticity. Confirm that the supply chain source provides valid traceability documentation. Ensure the receiving environment meets moisture sensitivity level requirements prior to soldering. Cross-reference the ordering part number with the official Texas Instruments product selection guide to confirm functional compatibility with the intended design specifications.

Selection Notes

Select this component when designing circuits requiring a compact solution for driving high-power LEDs from single-cell lithium-ion or alkaline battery sources. The 2 MHz switching frequency allows for the use of smaller passive components compared to lower-frequency alternatives. Consider the thermal performance of the VSON-10 package relative to the expected ambient conditions and PCB copper area available for heat dissipation during continuous operation.

Part Context

This device belongs to the TPS61050 series of LED driver ICs manufactured by Texas Instruments. It shares core architectural similarities with other members like the TPS61050YZGR but differs in physical packaging. While the YZGR variant utilizes a DSBGA-12 package, the DRCR version employs a VSON-10 footprint, affecting board layout constraints while maintaining identical electrical characteristics and pinout functionality.

Replacement Considerations

The TPS61050YZGR serves as a direct functional alternative with identical electrical specifications, differing only in the DSBGA-12 package versus the VSON-10 form factor. Designers must verify mechanical fit and thermal management capabilities when substituting between these package types.