TPS54540QDDARQ1

$5.45

Description：IC REG BCK SPLIT RAIL ADJ 8SOPWR
Series：Eco-Mode™
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:903312a9e611 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

TPS54540QDDARQ1 is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG BCK SPLIT RAIL ADJ 8SOPWR. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for TPS54540QDDARQ1

Description：IC REG BCK SPLIT RAIL ADJ 8SOPWR
Series：Eco-Mode™
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck, Split Rail
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：4.5V
Voltage - Input (Max)：42V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：41.1V
Current - Output：5A
Frequency - Switching：100kHz ~ 2.5MHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount
Package / Case：8-PowerSOIC (0.154", 3.90mm Width)
Supplier Device Package：8-SO PowerPad
Grade：Automotive
Qualification：AEC-Q100

Voltage Regulators - DC DC Switching Regulators datasheet and documents for TPS54540QDDARQ1

TPS54540QDDARQ1

Voltage Regulators - DC DC Switching Regulators Overview

The TPS54540QDDARQ1 is an automotive-grade synchronous step-down DC-DC converter from Texas Instruments. It operates with an input voltage range of 4.5 V to 42 V and delivers up to 5 A of output current. The adjustable output voltage spans from 800 mV to 41.1 V. Integrated into the device are high-side and low-side MOSFETs, supporting a fixed switching frequency of 500 kHz. The component meets AEC-Q100 standards for Grade 1 qualification and functions within a junction temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated high-side and low-side power MOSFETs enable efficient synchronous rectification in a compact footprint.
Automotive qualification ensures reliability and compliance with strict industry standards for vehicle electronics.
Fixed internal switching frequency simplifies external component selection and electromagnetic interference management.

Voltage Regulators - DC DC Switching Regulators Applications

On-board infotainment systems
Digital cockpit domain controllers
Telematics control units

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'Q1' confirms AEC-Q100 Grade 1 automotive qualification status. Confirm the package designation matches the SO-PowerPAD-8 physical dimensions required for the PCB layout. Check the official datasheet for any recent Product Change Notifications regarding assembly sites or material composition updates.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a single-output buck converter is required for 12V or 24V automotive bus architectures. Ensure the thermal design accommodates the SO-PowerPAD-8 package limitations under maximum load conditions. Verify that the required output voltage falls within the specified 800 mV to 41.1 V adjustment range.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the TPS54x40 family of wide-input voltage synchronous buck converters designed specifically for automotive applications. It shares architectural similarities with non-automotive variants but includes enhanced testing and documentation to meet automotive quality requirements.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Publicly confirmed substitutes include TPS54540BDDARQ1 and TPS54540QDDAQRQ1. Verify pin compatibility and electrical specifications before substitution.

How to buy

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Delivery time

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Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.