MPQ4345GLE-5-AEC1-P

$2.17

Description：IC REG BUCK 5V 2A 17QFN
Series：-
Mfr：Monolithic Power Systems Inc.
Package：Tape & Reel (TR)

SKU:d02f916ac3f5 Category: Voltage Regulators - DC DC Switching Regulators Brand: Monolithic Power Systems Inc.

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Product introduction

MPQ4345GLE-5-AEC1-P is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Monolithic Power Systems Inc.. Its product description is IC REG BUCK 5V 2A 17QFN. Review the specifications below when checking this part for your BOM.

Voltage Regulators - DC DC Switching Regulators specifications for MPQ4345GLE-5-AEC1-P

Description：IC REG BUCK 5V 2A 17QFN
Series：-
Mfr：Monolithic Power Systems Inc.
Package：Tape & Reel (TR)
Function：Step-Down
Output Configuration：Positive
Topology：Buck
Output Type：Fixed
Number of Outputs：1
Voltage - Input (Min)：3.3V
Voltage - Input (Max)：36V
Voltage - Output (Min/Fixed)：5V
Voltage - Output (Max)：-
Current - Output：2A
Frequency - Switching：350kHz ~ 2.5MHz
Synchronous Rectifier：Yes
Operating Temperature：-40°C ~ 150°C (TJ)
Mounting Type：Surface Mount, Wettable Flank
Package / Case：17-PowerVFQFN
Supplier Device Package：17-QFN (3x4)
Grade：Automotive
Qualification：AEC-Q100

Voltage Regulators - DC DC Switching Regulators datasheet and documents for MPQ4345GLE-5-AEC1-P

MPQ4345GLE-5-AEC1-P

Voltage Regulators - DC DC Switching Regulators Overview

The MPQ4345GLE-5-AEC1-P is a synchronous step-down converter from Monolithic Power Systems, designed for automotive applications. It features a 36V input range and delivers up to 2A output current with a fixed 5V output voltage. The device operates at a switching frequency of 2.2MHz and includes ultra-low quiescent current capabilities. It is housed in a QFN-17 package and supports an operating temperature range from -40°C to +150°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

Automotive-grade reliability certified under AEC-Q100 standards
Ultra-low quiescent current for enhanced efficiency in battery-powered systems
Integrated synchronous rectification for high power conversion efficiency

Voltage Regulators - DC DC Switching Regulators Applications

Automotive infotainment system power distribution
Telematics control unit voltage regulation
ADAS sensor node power supply conditioning

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix 'AEC1' confirms automotive qualification status against the manufacturer's official datasheet. Ensure the fixed 5V output variant matches the target circuit requirements, as other output voltages may exist within the same family. Confirm the QFN-17 package dimensions align with the PCB footprint design guidelines provided in the product documentation.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when a fixed 5V output is required for automotive loads. Compare the 2A current limit against peak load demands to ensure adequate headroom. Evaluate the 2.2MHz switching frequency for EMI constraints relative to nearby sensitive analog circuits. Consider the thermal performance of the QFN-17 package for the intended enclosure environment.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MPQ434x series of synchronous buck converters optimized for automotive use. It shares architectural similarities with the MPQ4348 and MPQ4347 models but differs in output current capacity and fixed voltage configuration. The series targets compact power solutions requiring high reliability and low standby power consumption.