LMS3655MQRNLRQ1

$3.11

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

SKU:c0c6f28fc298 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMS3655MQRNLRQ1 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 LMS3655MQRNLRQ1

Description：IC REG BUCK ADJ 5.5A 22VQFN
Series：-
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)：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 LMS3655MQRNLRQ1

LMS3655MQRNLRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMS3655MQRNLRQ1 is a synchronous step-down converter from the LMS3655-Q1 series, designed for automotive applications. It supports an input voltage range of 3.9 V to 36 V and delivers up to 5.5 A output current with a fixed 5 V output option. The device operates at a switching frequency of 400 kHz and features a low quiescent current of 7.5 uA. Packaged in a 22-pin VQFN-HR, it is qualified under AEC-Q100 standards and functions within a temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Synchronous buck topology for high efficiency
Automotive qualification compliant with AEC-Q100
Integrated shutdown control capability

Voltage Regulators - DC DC Switching Regulators Applications

Automotive infotainment systems
Instrument clusters
Body control modules

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the exact suffix against official Texas Instruments documentation to confirm pinout and electrical specifications. Ensure the component meets AEC-Q100 requirements for your specific automotive application environment. Cross-reference the manufacturer part number with authorized distributors to avoid counterfeit products.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a robust, high-current synchronous buck converter is required for automotive power distribution. Consider the 36 V input tolerance and wide operating temperature range suitable for harsh vehicle environments. Evaluate thermal performance based on the VQFN-HR package and expected load conditions.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMS3655-Q1 family of synchronous step-down converters. These devices are engineered for automotive electronics requiring reliable power regulation. The family shares common architectural features but varies in output current and voltage configurations.