EFP0101GM20-ER

Power Management - Specialized Overview

The EFP0101GM20-ER is a multi-channel wired buck PMIC from Silicon Labs, designed for ultra-low-power IoT applications. It operates within an input voltage range of 800 mV to 5.5 V and provides a maximum output voltage of 3.3 V. The device features a QFN-20 package and supports SMD/SMT mounting. It functions across a temperature range of -40°C to +105°C with a typical input current of 57 mA.

Power Management - Specialized Feature Summary

• Provides complete system power and primary cell battery Coulomb counting for EFM32 and EFR32 devices
• Supports single alkaline, dual alkaline, single lithium, and USB input sources
• Delivers up to 94% efficiency through configurable DC-DC and LDO outputs
• Features lossless charge measurement without requiring sense resistors

Power Management - Specialized Applications

• Home and building automation and security systems
• Health and wellness monitoring devices
• Human interface devices and smart accessories
• IoT sensors and end devices
• Wearable electronics

Power Management - Specialized Procurement Notes

Verify the specific suffix against official documentation, as the provided model indicates an ER tape-and-reel variant while public listings may reference an E tray variant. Confirm availability status as some variants are marked as Not Recommended for New Designs (NRND). Ensure compatibility with required packaging formats for your assembly line before finalizing procurement orders.

Power Management - Specialized Selection Notes

Select this component when designing battery-powered IoT systems requiring integrated power management and coulomb counting. It is optimized for EFM32 and EFR32 platforms. Consider the wide input voltage range and low quiescent current for extended battery life. Verify that the QFN-20 package fits your PCB layout constraints and thermal requirements.

Power Management - Specialized Part Context

This part belongs to the EFP01 Energy Friendly PMIC family, which offers flexible, high-efficiency multi-output power solutions. The series is specifically engineered to support various battery technologies and provide complete system power for Silicon Labs' wireless SoCs. It integrates advanced features like firmware-programmable switched outputs and direct I2C control for energy mode transitions.

Power Management - Specialized Replacement Considerations

Public data lists the EFP0101GM20-E as a related variant in the same family. Verify if the packaging difference (Tray vs. Reel) or specific suffix designation meets your manufacturing needs. No other direct substitute part numbers are confirmed in the provided source material.