Electronic Design
Battery Management System Ensures Safety And Performance

Battery Management System Ensures Safety And Performance

Currently on the OptaMotive E. Rex, Nuvation Engineering’s custom battery management system, fuel gauge, and driver interface for electric vehicles employs a MAX11068 device from Maxim Integrated Products to provide voltage/temperature monitoring and balancing. Fuel gauging is implemented through an engineering methodology using the Maxim ModelGauge, which combines voltage measurement with coulomb counting to achieve continuous automatic calibration. Featuring a battery pack that utilizes 106 lithiumiron phosphate cells, the E. Rex’s 35 kiloWatt-hour pack has a driving range of 200 miles and a recharge time of four hours at 220V/40A. The E. Rex is capable of 0-to-60 mph in five seconds and a top speed over 100 mph. Nuvation Engineering, San Jose, CA. (408) 228-5580.

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