PMICs for wireless MCUs work from single alkaline cells upwards

Silicon Labs has introduced a line of multi-rail power chips (PMICs) for its EFR32 and EFM32 wireless MCU families. The family covers input voltages from from 0.8V to 5.5V, although no single device covers the whole range. Part Vdd output configuration (see data sheet) EFP0109GM20 1.8 – 3.6V 1.7 – 3.3V wired boost EFP0108GM20 0.8 – ...

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