Battery Fuel Gauge

Image 1: Battery Fuel Gauge (Top Side)

Image 2: Battery Fuel Gauge (Assembled)

Image 3: Battery Fuel Gauge (Testing)

Image 4: Battery Fuel Gauge (LED Array)

This project involved the design and development of a customized surface-mount PCB for evaluating the ModelGauge m5 algorithm for lithium batteries using the MAX17263 fuel-gauge IC. The IC provides battery-state estimates, including time-to-empty and time-to-full, using the ModelGauge m5 algorithm.

The PCB was designed to monitor both single-cell and multi-cell battery packs and included an onboard LED array for visual state-of-charge indication and a thermistor measurement network for monitoring battery temperature. The LED array also alerts the user when the battery charge drops below a defined threshold.

The board was designed to integrate with the PCB for Manual and Autonomous Robots, allowing the robot's LiPo battery pack to be monitored through the fuel-gauge system. This provided an integrated way to track the battery's relative state of charge and temperature during robot operation.