Yet today, the biggest factor affecting the rate of growth in adoption of EVs is the battery: The performance of the battery – Range, life-time and power-output characteristics.

A battery management system (BMS) is absolutely necessary to protect the battery from damage, prolong the life of the battery, and maintain the battery’s fitness to perform the functions of the application for which it was specified. Moreover, a BMS supports both the safety and performance requirements of the vehicle. Which means the higher accuracy current sensor is an important part of BMS system. A shunt module will be the most suitable current sense way which inserted into the current path with easy installation and screw mounted. The characteristic of module functions is the wide measurement range, high precision measurement accuracy, and fast reflash measurement rate.

Cyntec’s shunt module has provided up-to 4000A current measurement range, and reached 0.1% measurement accuracy. Also it has very high speed up-to 1MHz CAN date transmission rate. The most important thing the design of shunt module complies with automotive function safety standard – ISO26262, and with ASIL C level. It will be perfect solution to use in BMS system.

Automotive Current Shunt Module
- Function Safety level: ASIL C
- Primary input voltage range: +6V to +42V
- Nominal current measurement range : ±1000A
- Peak current measurement range : ±4000A
- High accuracy up-to 0.1% for full measurement range
- Protection class IP40
- Firmware update via OBD
- 3kV safety galvanic isolation
- CAN2.0B and FD compliance

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