TPS61052DRCR

Overview

The TPS61052DRCR is a synchronous boost converter with an I2C interface, designed for high-power white LED applications. It features a 2 MHz switching frequency and supports PWM dimming. The device operates from a 2.5 V to 6 V input range and delivers up to 1.2 A output current. It is housed in a 10-pin VSON (3x3 mm) package. Key electrical parameters include a maximum output voltage of 6.5 V and a shutdown supply current of 1 µA. The component functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates an I2C-compatible digital interface for precise control of LED drive current and brightness levels.
• Supports PWM dimming capability to enable efficient light intensity adjustment without color shift.
• Includes load disconnect functionality during shutdown to prevent leakage currents in the LED path.

Applications

• Camera flash lighting systems
• High-power white LED drivers
• Mobile device illumination circuits

Procurement Notes

Verify that the specific ordering suffix matches the required tape-and-reel quantity and packaging format. Confirm that the I2C address configuration aligns with the system bus requirements. Ensure thermal management strategies account for the power dissipation characteristics inherent to the VSON-10 package under full load conditions.

Selection Notes

Select this component when digital control over LED current is required alongside high efficiency. The integrated I2C interface simplifies system architecture by reducing pin count compared to analog counterparts. Consider the 2 MHz frequency for minimizing external passive component size while maintaining stable operation across the specified input voltage range.

Part Context

This part belongs to the TPS61052 series of synchronous boost converters. It is specifically optimized for driving high-power LEDs where precise current regulation and digital communication are necessary. The VSON package provides a compact solution suitable for space-constrained portable electronics.

Replacement Considerations

Consult official Texas Instruments documentation for direct cross-reference or functional equivalents within the TPS61xx family. Verify pin compatibility and electrical specifications before substituting with other LED driver ICs.

FAQ

What is the maximum switching frequency of the TPS61052DRCR?

The device operates at a fixed switching frequency of 2 MHz.

How does the TPS61052DRCR handle LED current during shutdown?

It features a load disconnect mechanism that isolates the LED from the output during shutdown mode.