LMR51450FSQDRRRQ1

$1.63

Description：IC REG BUCK ADJ 5A 12WSON
Series：LMR514x0-Q1
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:d02550a4e306 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMR51450FSQDRRRQ1 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 BUCK ADJ 5A 12WSON. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LMR51450FSQDRRRQ1

Description：IC REG BUCK ADJ 5A 12WSON
Series：LMR514x0-Q1
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable
Number of Outputs：1
Voltage - Input (Min)：4V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：0.8V
Voltage - Output (Max)：28V
Current - Output：5A
Frequency - Switching：200kHz ~ 1MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount
Package / Case：12-WFDFN Exposed Pad
Supplier Device Package：12-WSON (3x3)
Grade：Automotive
Qualification：AEC-Q100

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LMR51450FSQDRRRQ1

LMR51450FSQDRRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR51450FSQDRRRQ1 is an automotive-grade synchronous buck converter from Texas Instruments. It supports a wide input voltage range of 4 V to 36 V and delivers up to 5 A of output current. The device features adjustable switching frequencies between 200 kHz and 1.1 MHz, allowing for optimization of external component size and efficiency. It operates within a junction temperature range of -40°C to +150°C and includes integrated protections such as overcurrent protection and thermal shutdown. The regulator provides an adjustable output voltage starting from 0.8 V.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Automotive Grade Q1 certification ensuring reliability in vehicle environments
Integrated synchronous rectification for high efficiency
Wide input voltage capability suitable for 12 V and 24 V systems
Adjustable switching frequency for design flexibility

Voltage Regulators - DC DC Switching Regulators Applications

On-board charging (OBC) systems
DC/DC conversion in electric vehicles
Infotainment power distribution
Body control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the presence of the 'SQ' suffix to confirm Automotive Grade Q1 qualification and AEC-Q100 compliance. Ensure the package designation matches the required WSON-12 footprint. Confirm that the specific revision level meets project requirements. Cross-reference the full part number with official Texas Instruments documentation to validate all electrical parameters before integration into the bill of materials.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when automotive reliability and high current density are required. The 5 A output capability supports demanding loads in compact spaces. The wide input range accommodates various automotive battery architectures. Consider the thermal performance in the final enclosure design due to the high power handling capabilities of the synchronous buck topology.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR514x0 family of synchronous buck converters designed for industrial and automotive applications. It shares architectural similarities with other members like the LMR51425 and LMR51460 but offers a specific 5 A current rating. The family is characterized by its ease of use, integrated MOSFETs, and robust protection features tailored for harsh operating conditions.