Bourns Shunt Resistors 1540x800

Accurate Current Measurements for High Energy Storage Applications Using Shunt Resistors

April 14, 2023
Get helpful BMS design information on the level of accuracy that can be obtained using shunt resistors combined with a current sense module.

Monitoring the health of battery pack lithium-ion cells is a key requirement for Battery Management Systems (BMS). Maintaining performance and safe operation is important as these cells are prone to degradation or possibly a dangerous thermal runaway condition. The traditional solution to measure cell voltage, temperature and current parameters is with shunt resistors that have high absolute tolerance of 5 %. Learn about a combined solution using a current sense module that reduces tolerance to as low as 0.01 %.         

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