EV Engineering News

Sendyne’s new current and voltage sensor for EVs

Sendyne

Sendyne, a New York-based developer of sensing, modeling/simulation and control products, has introduced the SFP200MOD, a turnkey module designed specifically for the needs of EVs and energy storage systems.

This newest automotive-grade member of Sendyne’s SFP family is capable of precisely measuring currents from mA to kA, while simultaneously measuring three high-voltage potentials (800 V nominal, 1,000 V / channel max). It communicates via an isolated CAN 2.0B interface (500 kbit/s).

The SFP200MOD incorporates Sendyne’s SFP200 IC and the company’s new 18 μΩ shunt. It measures current with an accuracy of better than ±1.0 % over the entire operating temperature range of -40° C to +125° C.  For ease and exactness of State of Charge (SOC) estimation, the module provides separate charge, discharge and total Coulomb output. It can be powered from a wide voltage supply rail of nominal +5/+9/+12/+24/+36/+48 V without any modifications or adjustments.

The SFP200MOD is fully isolated and capable of attachment onto the high side or low side of a battery, or anywhere in between. The output of the module is digital, and can communicate directly with a Battery Management System with no need for analog to digital conversion.

Sendyne can modify the SFP200MOD to meet specific customer needs, such as reporting power referenced to a specific voltage input, changing nominal voltage range, or accommodating other communication interfaces. An evaluation kit consisting of the module, CAN to USB translator, cables, and demonstration software for PC platforms is available for $250.

 

 

Source: Sendyne

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