MP2166GRH-P

Voltage Regulators - DC DC Switching Regulators Overview

The MP2166GRH-P is a dual synchronous buck converter from Monolithic Power Systems, housed in a QFN-18 package. It supports two output channels with configurable current ratings of 2A/2A or 3A/1A. The device operates with an input voltage range up to 6V and provides adjustable outputs from 600mV to 5.5V. Key electrical parameters include a low quiescent current of 60µA and a fixed switching frequency of 3MHz. It features power good indication and soft-start capabilities, and is qualified under AEC-Q100 standards for automotive applications.

Voltage Regulators - DC DC Switching Regulators Feature Summary

• Dual-channel synchronous buck topology with independent output control
• Configurable output current distribution supporting 2A/2A or 3A/1A modes
• Integrated power good monitoring and programmable soft-start functionality
• Automotive-grade qualification compliant with AEC-Q100 reliability standards

Voltage Regulators - DC DC Switching Regulators Applications

• Automotive infotainment system power distribution
• Multi-rail logic supply for embedded processors
• Industrial control board voltage regulation
• Telecommunications equipment peripheral power management

Voltage Regulators - DC DC Switching Regulators Procurement Notes

Verify the specific suffix and tape-and-reel configuration against the manufacturer's latest datasheet before ordering. Confirm that the QFN-18 thermal pad requirements match your PCB layout guidelines. Ensure the selected variant meets the required AEC-Q100 grade if deploying in automotive environments. Cross-reference the pinout diagram with your schematic to prevent orientation errors during assembly.

Voltage Regulators - DC DC Switching Regulators Selection Notes

Select this component when designing systems requiring two isolated low-voltage rails from a single 6V source. The dual-output architecture simplifies bill-of-materials compared to using separate single converters. Consider the 3MHz switching frequency for balancing efficiency and external component size. Evaluate the 60µA quiescent current impact on standby power consumption in battery-operated devices.

Voltage Regulators - DC DC Switching Regulators Part Context

This part belongs to the MP2166 series of dual synchronous step-down converters. It is designed by Monolithic Power Systems to address compact power solutions for portable and automotive electronics. The series emphasizes high integration and low static current to extend battery life while maintaining stable voltage regulation under varying load conditions.

Voltage Regulators - DC DC Switching Regulators Replacement Considerations

Consult official MPS documentation for direct pin-compatible alternatives within the same family. Verify that any substitute maintains the dual-channel configuration and AEC-Q100 qualification if automotive use is required. Check for differences in switching frequency and output current limits to ensure circuit compatibility.