Deep Dive into Battery Management Fuel Gauges 

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.
Introduction to BMS: 0:31
Traditional Fuel Gauge Methods: 2:54
State-of-Charge Estimation Methods: 10:50
Cell Balancing Deep Dives: 16:27
MPS Fuel Gauges Improve Safety: 23:59
SOC vs. Analog Front End (AFE) Accuracy: 27:31
How MPS Fuel Gauges Handle Errors: 32:46
Key Battery Parameters: 35:09
Benefits of an Accurate Cell Model: 40:55
MPS Fuel Gauges Make Calibration Unnecessary: 43:11
Enabling Mixed-Model Technology: 47:51
Built-In Soft Start & Cost Savings: 51:02
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