LMQ66420MA5RXBRQ1

$3.00

Description：IC REG BUCK ADJ/1V 2A 14VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:8c142e37bf89 Category: Voltage Regulators - DC DC Switching Regulators Brand: Texas Instruments

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Product introduction

LMQ66420MA5RXBRQ1 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/1V 2A 14VQFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for LMQ66420MA5RXBRQ1

Description：IC REG BUCK ADJ/1V 2A 14VQFN
Series：-
Mfr：Texas Instruments
Package：Tape & Reel (TR),Cut Tape (CT)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Adjustable (Fixed)
Number of Outputs：1
Voltage - Input (Min)：-
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：1V
Voltage - Output (Max)：5V
Current - Output：2A
Frequency - Switching：400kHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：14-PowerTFQFN
Supplier Device Package：14-VQFN (2.6x2.6)
Grade：-
Qualification：-

Voltage Regulators - DC DC Switching Regulators datasheet and documents for LMQ66420MA5RXBRQ1

LMQ66420MA5RXBRQ1

Voltage Regulators - DC DC Switching Regulators Overview

The LMQ66420MA5RXBRQ1 is an automotive-grade synchronous step-down converter from Texas Instruments. It supports a 3 V to 36 V input range and delivers up to 2 A output current. The device features low EMI characteristics and operates with a fixed 400 kHz switching frequency. Output voltage is adjustable from 1 V to 18 V or fixed at 5 V. It includes a shutdown function and maintains a typical quiescent current of 1.5 µA. The component operates within a junction temperature range of -40°C to +150°C and is housed in a VQFN-FCRLF-EP-14 package.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Automotive qualification for high reliability in vehicle environments
Low electromagnetic interference design for sensitive applications
Integrated synchronous rectification for improved efficiency
Shutdown capability for power management control

Voltage Regulators - DC DC Switching Regulators Applications

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

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the complete part number including suffixes to ensure correct packaging and temperature grade. Confirm RoHS compliance status through official manufacturer documentation before integration. Check moisture sensitivity levels for proper storage and handling requirements during assembly processes.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when automotive certification and low EMI are required. Ensure input voltage does not exceed 36 V. Verify thermal performance within the -40°C to +150°C operating range. Compare output current needs against the 2 A limit. Consider the VQFN-14 package for space-constrained designs.

Voltage Regulators - DC DC Switching Regulators Part Context

Part of the LMQ66410 family, offering similar functionality with higher current capacity. Designed for automotive power distribution networks. Provides a robust solution for converting higher battery voltages to lower logic or sensor supply rails in demanding environmental conditions.