MPQ2169AGRHE-AEC1-P

Voltage Regulators - DC DC Switching Regulators Overview

The MPQ2169AGRHE-AEC1-P is a dual synchronous buck converter from Monolithic Power Systems, designed for automotive applications with AEC-Q100 qualification. It operates within an input voltage range of 2.7 V to 6 V and provides two adjustable output channels ranging from 600 mV to 5.5 V. The device supports flexible current configurations, delivering up to 1.4 A per channel or 2 A on one channel with 0.8 A on the other. It features a fixed 3 MHz switching frequency and maintains a low quiescent current of 60 uA. The component is housed in a QFN-18 package and functions reliably across a temperature range of -40°C to +125°C.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual-channel synchronous buck topology for independent power rail generation
• Automotive-grade reliability certified under AEC-Q100 standards
• Low quiescent current operation to minimize standby power consumption
• High-frequency switching capability enabling compact external component sizing

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment system power distribution
• Digital signal processor (DSP) core and I/O voltage regulation
• In-vehicle networking controller power supplies
• ADAS sensor module biasing and logic supply

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix configuration against the official datasheet to ensure compatibility with required current ratings and thermal performance. Confirm that the QFN-18 package dimensions align with the target PCB footprint. Ensure the design accounts for the specified operating temperature range and input voltage limits to maintain stable regulation under all automotive conditions.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when dual isolated rails are required from a single 6V automotive source. The fixed 3 MHz frequency suits designs prioritizing small passive size over ultra-low EMI. Consider the available current combinations (1.4A/1.4A or 2A/0.8A) to match load requirements without oversizing. Verify thermal dissipation capabilities in the final enclosure environment given the high switching frequency.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MPQ series of automotive power management integrated circuits. It complements other MPS solutions by providing dual-channel regulation where space-constrained automotive boards require multiple voltage levels from a common bus. The AEC1 designation indicates compliance with strict automotive quality and reliability standards.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

MPQ2166AGRHE-AEC1-Z is a documented alternative offering similar dual-channel buck functionality with comparable pinout and electrical characteristics for direct substitution in compatible designs.