LMS3655AQRNLRQ1

$3.11

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

SKU:89d1d7d02c83 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMS3655AQRNLRQ1 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 LMS3655AQRNLRQ1

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 LMS3655AQRNLRQ1

LMS3655AQRNLRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMS3655AQRNLRQ1 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 3.9 V to 36 V and delivers up to 5.5 A of output current. The device features a fixed switching frequency of 400 kHz and supports adjustable output voltages between 3.3 V and 6 V. Packaged in a 22-pin VQFN-HR (4x5 mm) format, it functions within a temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Integrated synchronous rectification for high efficiency in a compact footprint
Automotive-grade reliability certified to AEC-Q100 standards
Extended thermal performance supporting operation up to 150°C junction temperature

Voltage Regulators - DC DC Switching Regulators Applications

Automotive infotainment systems
Instrument cluster power distribution
ADAS sensor node regulation

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes against official Texas Instruments documentation to ensure correct package type and tape-and-reel specifications. Confirm that the specific variant matches the required AEC-Q100 grade and operating temperature range for your target application environment before finalizing procurement orders.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring high current capability up to 5.5 A with a wide input voltage range suitable for automotive bus architectures. Ensure the design accommodates the 400 kHz switching frequency requirements for passive component selection and verify that the VQFN-HR package dimensions fit the available PCB real estate constraints.

Voltage Regulators - DC DC Switching Regulators Part Context

This device belongs to the LMS3655-Q1 family of synchronous buck converters. It shares architectural similarities with other members like the LMS3635 but offers higher current capacity. The family is characterized by its robust automotive qualification and integration of power switches for efficient power management in demanding environments.