EFP0111GM20-DR

Power Management - Specialized Overview

The EFP0111GM20-DR is a multi-channel Power Management IC (PMIC) from Silicon Labs, designed for ultra-low-power applications. It features a QFN-20 package and operates within an input voltage range of 1.8 V to 5.5 V. The device provides three voltage output rails: Voltage Output A (VOA) ranges from 1.7 V to 5.2 V; Voltage Output B (VOB) ranges from 0.8 V to 3.3 V; and Voltage Output C (VOC) is a linear regulator output ranging from 1.7 V to 3.3 V. It supports single alkaline, dual alkaline, single lithium, and USB power sources with quiescent current as low as 150 nA.

Power Management - Specialized Feature Summary

• Provides complete system power and primary cell battery Coulomb counting for EFM32 and EFR32 devices
• Delivers up to 94% efficiency through configurable DC-DC converters and linear regulators
• Supports firmware-programmable switched output for complete powerdown of high leakage external circuitry in low power modes
• Features lossless charge measurement without sense resistors and fully configurable I2C communication

Power Management - Specialized Applications

• Ultra-low-power battery-powered IoT devices
• EFM32 microcontroller systems
• EFR32 wireless SoC systems

Power Management - Specialized Procurement Notes

Verify the specific suffix DR indicates reel packaging configuration. Confirm RoHS compliance status via official datasheet. Check for NRND or obsolescence notices directly from Silicon Labs documentation before integration into new designs.

Power Management - Specialized Selection Notes

Select this component when designing systems requiring integrated power management for Silicon Labs wireless or microcontroller platforms. Ensure input voltage matches available battery or USB sources. Verify that the required output voltages fall within the specified ranges for VOA, VOB, and VOC channels.

Power Management - Specialized Part Context

This part belongs to the EFP01 Energy Friendly PMIC family. These components are specialized for providing efficient, multi-output power solutions tailored for energy-constrained embedded applications. The series emphasizes low quiescent current and flexible configuration options to maximize battery life in portable electronics.

Power Management - Specialized Replacement Considerations

Consult official Silicon Labs documentation for confirmed substitute part numbers. Cross-reference pinouts and electrical specifications carefully when considering alternative PMICs from other manufacturers.