LM53602AMPWPR

Voltage Regulators - DC DC Switching Regulators Overview

The LM53602AMPWPR is a Texas Instruments synchronous step-down DC/DC converter featuring an adjustable output voltage range from 3.3 V to 10 V and a maximum continuous output current of 2 A. It operates with an input voltage supply between 3.9 V and 36 V, utilizing a fixed switching frequency of 2.1 MHz. The device incorporates a low quiescent current of 8 uA and supports junction temperatures up to +150°C. Packaged in a 16-pin PowerTSSOP (HTSSOP) format, it is designed for high-efficiency power management applications requiring automotive-grade reliability.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive-grade qualification compliant with AEC-Q100 standards
• Integrated synchronous rectification for high efficiency
• Extended thermal performance supporting junction temperatures up to +150°C

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Telematics control units
• Body electronics modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'PWPR' corresponds to the tape-and-reel packaging configuration as distinct from cut-tape variants. Confirm that the automotive grade designation aligns with your project's quality requirements. Ensure the 16-PowerTSSOP footprint matches your PCB layout constraints. Cross-reference the datasheet revision date to confirm technical specifications remain consistent with your design timeline.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when an automotive-qualified buck converter is required for inputs up to 36 V. The 2 A output capability suits moderate load applications in vehicle subsystems. The 2.1 MHz switching frequency allows for smaller passive components compared to lower-frequency alternatives. Consider the extended temperature rating if operating in high-thermal environments without active cooling.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LM53602 family of wide-input synchronous buck converters. It shares core topology with the LM53603 but differs in pinout or feature set. The series targets automotive markets, distinguishing itself from standard industrial counterparts through rigorous qualification processes. It complements other TI PMIC solutions by providing a compact, high-efficiency step-down option for 12V or 24V automotive bus architectures.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Public confirmed substitute part numbers: LM53602AMPWPT.