TPS54233QDRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The TPS54233QDRQ1 is an automotive-grade synchronous buck converter from Texas Instruments, designed for high-efficiency power management in vehicle electronics. It operates with an input voltage range of 3.5 V to 28 V and delivers a continuous output current of 2 A. The device integrates a fixed switching frequency of 300 kHz and supports adjustable output voltages. Key electrical characteristics include a typical quiescent current of 1 uA and an operating supply current of 110 uA. It is housed in an SOIC-8 package and meets AEC-Q100 qualification standards for reliability in harsh automotive environments.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Integrated synchronous rectification for enhanced conversion efficiency
• Fixed internal switching frequency simplifies external component selection
• Low quiescent current capability supports battery life preservation
• Automotive qualification ensures compliance with rigorous reliability standards

Voltage Regulators - DC DC Switching Regulators Applications

• Infotainment system power distribution
• Instrument cluster voltage regulation
• Body control module power supplies
• Telematics unit DC-DC conversion

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes to ensure correct packaging and temperature grade. Confirm AEC-Q100 certification requirements match specific vehicle application protocols. Check datasheet revisions for any pinout or thermal pad modifications before finalizing PCB layout. Ensure supplier documentation matches the exact manufacturer lot traceability needed for automotive quality systems.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust 2 A buck solution is required for 12 V or 24 V automotive bus architectures. The fixed 300 kHz frequency offers a balance between component size and EMI performance. Consider the SOIC-8 thermal dissipation capabilities relative to the expected ambient temperature and load profile. Verify that the adjustable output range covers the specific rail voltage requirements of the target subsystem.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the TPS54233 family of wide-input voltage synchronous step-down converters. It shares architectural similarities with other automotive PMICs but is distinct in its specific 2 A current rating and 300 kHz frequency setting. The QDRQ1 suffix indicates the SOIC-8 package and automotive grade classification, differentiating it from commercial variants or alternative package options within the broader product line.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes may include TPS54231QDRQ1 for lower current needs or TPS54331QDRQ1 for higher current applications. Verify compatibility regarding switching frequency differences and thermal performance. Ensure that any replacement maintains the same AEC-Q100 qualification level and pinout configuration to avoid redesign efforts.