TPS60252RTER

Overview

The TPS60252RTER is a high-efficiency charge pump DC/DC converter designed for driving up to seven white LEDs. It features an I2C interface with slave address 0x76 and operates within a 3 V to 6 V input range. The device utilizes 1x and 1.5x dual-mode conversion to maximize efficiency across the input voltage spectrum. Key electrical parameters include a maximum output current of 230 mA, an operating frequency of 750 kHz, and an output voltage of 6.5 V. It supports soft start, open LED detection, and current mode output in a WQFN-16 package.

Feature Summary

• Dual-mode charge pump operation using 1x and 1.5x conversion ratios to optimize efficiency across varying input voltages.
• Integrated I2C control interface allowing digital regulation and monitoring of LED drive currents.
• Built-in diagnostic capabilities including open LED detection and programmable soft-start functionality.

Applications

• Driving multiple white LEDs in mobile device main displays
• LED backlighting systems requiring I2C controllability
• High-efficiency lighting solutions for portable electronics

Procurement Notes

Verify the specific ordering suffix RTER corresponds to the tape and reel packaging configuration required for your assembly process. Confirm that the I2C slave address 0x76 aligns with your system's bus architecture to prevent address conflicts. Ensure thermal management strategies account for the power dissipation characteristics specified in the datasheet for the WQFN-16 package under maximum load conditions.

Selection Notes

Select this component when a high-efficiency solution for driving multiple series-connected white LEDs is required from a single-cell or dual-cell battery source. The integrated I2C interface makes it suitable for applications needing dynamic brightness control and fault monitoring. Consider the 230 mA output capability and 7-channel capacity against the total forward voltage requirements of the LED string to ensure proper headroom and regulation.

Part Context

The TPS60252 belongs to the TPS60250 family of high-efficiency charge pumps. It shares architectural similarities with the TPS60250 but offers specific enhancements such as the I2C interface for advanced control. This family is designed to replace traditional boost converters in space-constrained mobile applications where efficiency and component count are critical design constraints.

Replacement Considerations

The TPS60250RTET is a related part within the same family; however, verify if the lack of I2C interface in the TPS60250 meets your control requirements. Direct pin-to-pin replacement may not be feasible without evaluating the control logic differences. Consult the official substitution guide for any officially confirmed equivalent parts with identical form, fit, and function.

FAQ

What is the I2C slave address for the TPS60252?

The TPS60252 uses the I2C slave address 0x76.

How does the TPS60252 manage efficiency across different input voltages?

It employs a dual-mode charge pump that switches between 1x and 1.5x conversion ratios to maintain high efficiency throughout the 3 V to 6 V input range.