LMR51450SQDRRRQ1

$0.82

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

SKU:bbcd67398058 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMR51450SQDRRRQ1 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 LMR51450SQDRRRQ1

Description：IC REG BUCK ADJ 5A 12WSON
Series：LMR514x0-Q1
Mfr：Texas Instruments
Package：Tape & Reel (TR)
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 LMR51450SQDRRRQ1

LMR51450SQDRRRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMR51450SQDRRRQ1 is an automotive-grade synchronous buck converter from Texas Instruments, designed for high-efficiency power conversion in demanding environments. It supports an input voltage range of 4 V to 36 V and delivers a continuous output current of 5 A. The device features adjustable switching frequencies between 200 kHz and 1.1 MHz, allowing optimization for size and performance. It operates within a junction temperature range of -40°C to +150°C and includes integrated protections such as overcurrent protection and thermal shutdown. Packaged in a compact 12-WSON format, it ensures reliable operation in automotive applications requiring robust power management solutions.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Automotive-grade reliability with extended temperature range support
Integrated synchronous rectification for high efficiency
Adjustable switching frequency for design flexibility
Built-in overcurrent and thermal protection mechanisms

Voltage Regulators - DC DC Switching Regulators Applications

Automotive infotainment systems
Telematics control units
Body control modules
ADAS sensor power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the Q1 suffix confirms AEC-Q100 qualification for automotive use. Confirm the SQDRR package variant matches your PCB footprint requirements. Ensure compatibility with your system's input voltage profile and thermal management strategy before finalizing procurement.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when automotive certification and high current capability are required. Compare against non-automotive equivalents if cost is critical but reliability standards allow. Consider the fixed-frequency vs. adjustable-frequency variants based on EMI constraints and inductor size limitations in your specific application design.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMR514x0 family of simple switcher converters, known for minimal external component count. It complements other TI automotive PMICs by providing dedicated high-current step-down regulation. The Q1 designation indicates it meets strict automotive quality and longevity standards compared to commercial grade parts.