MPQ4323CGLE-AEC1-Z

Voltage Regulators - DC DC Switching Regulators Overview

The MPQ4323CGLE-AEC1-Z is a synchronous buck switching regulator from Monolithic Power Systems, designed for automotive applications. It features a wide input voltage range of 3.3 V to 36 V and supports up to 42 V load dump tolerance. The device delivers a continuous output current of 3 A with an adjustable output voltage between 800 mV and 34.2 V. It operates at a configurable switching frequency from 350 kHz to 2.5 MHz and includes integrated high-side and low-side power MOSFETs. The component is housed in a QFN-12 package and meets AEC-Q100 Grade 1 standards.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Capable of withstanding 42 V load dump events for robust automotive operation
• Configurable switching frequency ranging from 350 kHz to 2.5 MHz
• Integrated spread spectrum modulation to optimize electromagnetic interference performance
• Ultra-low shutdown current of 1 μA for extended battery life in standby modes

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment systems
• Vehicle instrument clusters
• Advanced driver assistance systems (ADAS)
• Industrial power distribution networks

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix codes against official datasheets to confirm package dimensions and thermal characteristics. Ensure compliance with AEC-Q100 Grade 1 requirements for your target environment. Cross-reference pinout configurations carefully when transitioning between different package variants within the same family to prevent layout errors during integration.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component for designs requiring high efficiency under varying load conditions. The adjustable frequency allows optimization for either size or noise performance. Consider the thermal dissipation capabilities of the QFN-12 package relative to your expected current loads. Verify that the input voltage profile aligns with the specified 3.3 V minimum and 36 V maximum operational limits.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MPQ4323 series of automotive-grade synchronous step-down converters. It is engineered to handle harsh electrical environments typical in vehicle power trains. The series emphasizes compact footprint and high reliability, making it suitable for space-constrained electronic control units requiring stable power regulation under fluctuating supply conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MPQ4323GDE-AEC1-P is a documented alternative within the same product family offering similar electrical specifications and functionality.