TPS54040QDRCRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The TPS54040QDRCRQ1 is an automotive-grade switching voltage regulator designed as a step-down converter. It accepts an input voltage range of 3.5 V to 42 V and provides a single adjustable output from 800 mV to 39 V with a maximum output current of 0.5 A. The device features a quiescent current of 116 uA and operates within a temperature range of -40°C to +125°C. It utilizes a buck topology and is housed in a 10-pin HVSON package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for reliability in vehicle environments.
• Integrated synchronous rectification architecture for efficient power conversion.
• Wide input voltage capability supporting various automotive bus architectures.

Voltage Regulators - DC DC Switching Regulators Applications

• Infotainment system power distribution
• Telematics control unit regulation
• Body control module (BCM) power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'Q' confirms automotive grade status against the manufacturer's official datasheet. Ensure the 'DRCR' designation matches the required 10-pin HVSON package and reel specifications. Confirm RoHS compliance details directly from the product documentation prior to integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when an automotive-rated, wide-input buck converter is required for 0.5 A loads. The 42 V maximum input rating accommodates load dump conditions common in automotive systems. Consider the thermal performance of the HVSON package for PCB layout optimization under high ambient temperatures.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS54040 family of SWIFT converters from Texas Instruments. The QDRCRQ1 variant specifically denotes the automotive-qualified version with the DRCR package code. It serves as a specialized solution for automotive applications requiring robust power management within strict size and efficiency constraints.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

The TPS54040DGQR is the commercial-grade equivalent with identical electrical specifications but lacks automotive qualification. Verify that the application environment does not strictly require AEC-Q100 certification before substituting with the commercial variant.