LMS3655AQRNLTQ1

$6.33

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

SKU:778e85bbcd11 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMS3655AQRNLTQ1 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 LMS3655AQRNLTQ1

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 LMS3655AQRNLTQ1

LMS3655AQRNLTQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMS3655AQRNLTQ1 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 output voltages between 3.3 V and 6 V. It utilizes a VQFN-HR-22 package and functions within a temperature range of -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Automotive-grade reliability certified to AEC-Q100 standards
High-efficiency synchronous buck topology
Extended junction temperature capability up to 150°C

Voltage Regulators - DC DC Switching Regulators Applications

Automotive infotainment systems
Instrument cluster power distribution
ADAS sensor power supplies

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the suffix 'L' indicates tape-and-reel packaging configuration. Confirm the 'Q1' designation aligns with specific automotive quality requirements. Ensure the ordering part number matches the exact pinout and thermal pad specifications required by the target PCB layout design.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when high current delivery is required in space-constrained automotive environments. The wide input voltage range accommodates various vehicle bus architectures. The integrated synchronous rectifiers reduce external component count compared to non-synchronous alternatives.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the LMS3655 family of high-current synchronous buck converters. It shares architectural similarities with other members like the LMS3655MQEVM evaluation module but differs in specific packaging and qualification grades. The family targets robust power management in demanding automotive electronic control units.