6s to 96s Li-Ion Battery Monitoring Demonstrator Reference Design

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6s to 96s Li-Ion Battery Monitoring Demonstrator Reference Design [Copy link]

This design is a small battery monitoring demonstrator design for a centralized battery management system (BMS). Its configurable capacitive isolation daisy chain solution can monitor and protect batteries from 6 series to 96 series, allowing it to be used in BMS systems from 24 V to 400 V. In hybrid or electric vehicles (HEV/EV), high-voltage lithium-ion batteries store the energy required for traction and housekeeping. The lithium-ion cells in the battery must be monitored during charging and discharging. This design provides a solution to accurately monitor the lithium-ion battery voltage and transmit data externally through various interfaces such as CAN and bqStudio.

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Schematic

Design Guide

Design File

bq79606-Q1 Automotive Battery Monitor and Protector SafeTI Precision Monitor with Integrated Hardware Protector for Automotive Battery Packs Transformer Driver for Isolated Power Supplies, SN6501-Q1 Automotive Fault-Protected CAN Transceiver with Flexible Data Rate