LMS3655MQRNLTQ1

$6.33

Description：IC REG BUCK ADJ 5.5A 22VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:15b3b79adca7 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

LMS3655MQRNLTQ1 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 5.5A 22VQFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LMS3655MQRNLTQ1

Description：IC REG BUCK ADJ 5.5A 22VQFN
Series：-
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)：3.9V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：1V
Voltage - Output (Max)：15V
Current - Output：5.5A
Frequency - Switching：250kHz ~ 500kHz
Synchronous Rectifier：No
Operating Temperature：-40°C ~ 125°C (TA)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：22-PowerVFQFN
Supplier Device Package：22-VQFN-HR (5x4)
Grade：Automotive
Qualification：AEC-Q100

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LMS3655MQRNLTQ1

LMS3655MQRNLTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMS3655MQRNLTQ1 is a synchronous step-down DC-DC converter from Texas Instruments, designed for automotive applications under the AEC-Q100 qualification. It operates with an input voltage range of 3.9V to 36V and provides a fixed 5V output at up to 5.5A. The device features a 400kHz switching frequency and supports adjustable frequencies between 250kHz and 500kHz. Packaged in a 22-pin VQFN-HR (5x4mm) with wettable flanks, it ensures reliable surface-mount assembly. The converter includes integrated protection features such as overcurrent protection and thermal shutdown, operating within a temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Synchronous buck topology providing high efficiency for single-output power conversion
Automotive-grade reliability certified to AEC-Q100 standards
Integrated wettable flank package design for enhanced solder joint inspection

Voltage Regulators - DC DC Switching Regulators Applications

Automotive infotainment systems
Instrument cluster power distribution
ADAS sensor node power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'M' indicates the fixed 5V output variant when ordering. Confirm the package type matches the 22-VQFN-HR specification with wettable flanks for proper PCB footprint alignment. Ensure the component meets AEC-Q100 requirements for your target automotive application environment.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this model when a fixed 5V rail is required for automotive loads. Compare against the adjustable LMS3655Q variant if flexible output voltages are needed. Consider the 5.5A current capability against load demands and ensure adequate thermal management due to the compact VQFN-HR package size.

Voltage Regulators - DC DC Switching Regulators Part Context

This component belongs to the LMS3655-Q1 family of synchronous step-down converters. It shares architectural similarities with the LMS3635-Q1 but offers higher current capacity. The family is characterized by wide input voltage ranges and robust automotive qualification, serving as a core PMIC solution for modern vehicle electronics.