Deep Dive into Battery Management Fuel Gauges

Importance of an Accurate Fuel Gauge in a Battery Management System

A battery management system consists of three ICs: the battery monitor and protector, the microcontroller (MCU), and the fuel gauge. The fuel gauge delivers the state-of-charge (SOC) within a battery management system, which is the remaining capacity left in a battery. This Tech Talk will provide a deep dive into fuel gauges, including traditional fuel gauge methods, SOC vs. analog front end (AFE) accuracy, how MPS fuel gauges improve safety and make calibration unnecessary, and more.