TPS7150QPWRG4

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Overview

The TPS7150QPWRG4 is an automotive-grade low-dropout (LDO) voltage regulator manufactured by Texas Instruments. It features a PMOS pass element and provides a fixed 5 V output with a maximum continuous current of 500 mA. The device operates within an input voltage range supporting up to 24 V and maintains regulation across a junction temperature range of -40°C to +125°C. Key electrical specifications include a typical quiescent current of 350 µA, a maximum dropout voltage of 6 mV at full load, and a line regulation of 25 mV. It is housed in a 20-pin TSSOP package.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Feature Summary

• Automotive qualification compliant with AEC-Q100 standards for high reliability in vehicle environments.
• Utilizes a PMOS pass transistor architecture to achieve ultra-low dropout voltage performance.
• Provides stable fixed 5 V output regulation suitable for sensitive digital logic and microcontroller power supplies.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Applications

• Power supply stages for automotive electronic control units (ECUs).
• Voltage regulation for microcontrollers and memory devices in vehicular systems.
• Noise-sensitive analog circuit powering in automotive infotainment or instrument clusters.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Procurement Notes

Verify the complete part number including the RG4 suffix to ensure compliance with RoHS directives and specific tape-and-reel packaging requirements. Confirm that the intended application meets the AEC-Q100 qualification criteria required for automotive deployment. Ensure thermal management strategies account for the specified power dissipation limits within the TSSOP-20 package under maximum load conditions.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Selection Notes

Select this component when a fixed 5 V rail is required for automotive applications demanding high efficiency and minimal voltage drop. The PMOS design offers superior dropout performance compared to NMOS alternatives. Consider the 500 mA output capability against the expected peak current demands of the downstream load. Verify that the input voltage remains within the supported range to prevent excessive power dissipation.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Part Context

This device belongs to the TPS7150 family of low-dropout regulators designed for robust performance in noisy environments. The QPWRG4 variant specifically denotes the automotive grade version packaged in a 20-lead Thin Shrink Small Outline Package (TSSOP). It shares core regulatory characteristics with other members of the series but is distinguished by its automotive qualification and fixed output configuration.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators Replacement Considerations

TPS7150QDR: Alternative SOIC-8 package version with identical electrical specifications.

Voltage Regulators - Linear, Low Drop Out (LDO) Regulators FAQ

What is the maximum dropout voltage for the TPS7150QPWRG4?

The maximum dropout voltage is specified as 6 mV when delivering a load current of 100 mA.

Is the TPS7150QPWRG4 qualified for automotive use?

Yes, the device is qualified according to the AEC-Q100 standard for automotive applications.