TPS62871Y1QWRXSRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The TPS62871Y1QWRXSRQ1 is an automotive-grade synchronous step-down DC/DC converter from the Texas Instruments TPS6287x-Q1 family. It features a 2.7 V to 6 V input voltage range and delivers up to 9 A of output current. The device utilizes a fixed 3 MHz switching frequency and supports stackable operation for multi-phase configurations. It offers differential remote sensing for improved load regulation and includes programmable soft-start and frequency synchronization capabilities. The component is housed in a 16-pin VQFN-FCRLF-EP package and operates within a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Automotive qualification with AEC-Q100 Grade 1 certification for high reliability in vehicle environments
• Stackable architecture enabling parallel connection for increased current capacity and reduced thermal stress
• Differential remote sensing capability to compensate for PCB trace resistance and maintain precise output voltage at the load

Voltage Regulators - DC DC Switching Regulators Applications

• On-board infotainment systems requiring stable power delivery
• Advanced driver-assistance systems (ADAS) power distribution networks
• Central electronic control units (ECUs) in automotive platforms
• High-current bus conversion for automotive peripheral modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify that the specific suffix matches the required automotive grade and pin configuration. Confirm that the ordering part number corresponds to the correct output voltage range and current rating specifications. Ensure compatibility with the intended switching frequency and stackability requirements for the target application design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing automotive power supplies requiring high efficiency and compact footprint. The stackable feature is critical for applications exceeding single-channel current limits. Consider the fixed 3 MHz frequency for smaller passive component sizes compared to lower-frequency alternatives. Ensure thermal management strategies align with the dense packaging constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS6287x-Q1 series, which includes variants offering 6 A, 9 A, 12 A, and 15 A output currents. All members share pin-to-pin compatibility and similar functional architectures, differing primarily in maximum current handling capabilities. The series is designed specifically for demanding automotive applications requiring robust performance and regulatory compliance.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Direct substitutes within the same family include TPS62871N1QWRXSRQ1 and TPS62871Z4WRXSR. These parts share identical pinouts and core functionalities but may differ in specific electrical parameters or regional availability. Verify exact current ratings and output voltage ranges before substitution.