SFP203 MOD
Sensing
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SFP203MOD Precise Current Measurement
for EVs and Grid Storage

Sendyne SFP203 current measurement module

The SFP203MOD precisely measures currents from mA to kA. Designed specifically for the needs of electric vehicles (EVs) and Energy Storage Systems (ESS), this cost-effective, automotive grade member of Sendyne’s SFP family communicates via an isolated CAN 2.0B interface (500 kbit/s). The module is designed around the Sendyne SFP200 IC and achieves an accuracy of ±1.0 % (typ. 0.5%) for current measurement over the whole operating temperature range
of –40 °C to +125 °C.

Applications

  • Electric Vehicles
  • Grid Energy Storage 
  • Home Energy Storage
  • Features

  • Achieves better than ±1.0 % (typically ±0.5%) accuracy of current measurement 
  • Resolves currents from mA to 1500 A
  • Isolated front end for “high” or “low” side current sensing and attenuation of system-induced noise 
  • Automotive temperature range of –40 °C to +125 °C  
  • Separate Charge, Discharge, and Total coulomb counters
  • Built-in calibration for current measurements
  • Built-in compensation for resistance dependence of the shunt on temperatures
  • Low power consumption 
  • CAN 2.0B interface 
  • Description

    SFP200MOD is capable of precisely measuring currents from mA to kA. Designed specifically for the needs of electric vehicles (EVs) and Energy Storage Systems (ESS), this cost-effective, automotive grade member of Sendyne’s SFP family communicates via an isolated CAN 2.0B interface (500 kbit/s).

    The module incorporates Sendyne’s SFP200 IC and the company’s 18 μΩ shunt. Due to Sendyne’s proprietary and patented technology, the module measures current with an accuracy of better than ±1.0 % (typically ±0.5%) over the entire operating temperature range
    of –40 °C to +125 °C.  For ease and exactness of State of Charge (SOC) estimation, the SFP200MOD provides separate charge, discharge and total Coulomb output. The module 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 either the high side or low side of a battery (or anywhere in between). Unlike Hall Effect sensors, the SFP200MOD is impervious to noise and errors commonly associated with such magnetic-type measurement modules. Further, the output of the module is digital and therefore can communicate directly with a Battery Management System (BMS) without the need for analog to digital conversion.

    Sendyne is capable of quickly modifying the SFP200MOD to meet specific customer needs, such as reporting power referenced to a specific voltage input, or accommodating other communication interfaces. 

    An evaluation kit, including a CAN to USB dongle and cables, and PC software is available.

    Documentation

    SFP200 Product Brief
    SFP203MOD Datasheet

    SFP200 CAN 2.0B Protocol Document Updated September 11, 2018
    SFP200 dbc file Updated September 11, 2018
    SFP200 YouTube Video
     

    Software

    Sendyne SFP200 Control Software -- Click here to download
    Visit Sendyne's GitHub site for more software

    Ordering

    Part number:
    SFP203MOD
    Related part numbers
    SFP203KIT (evaluation kit)
    SFP200IC

    For more information, including ordering, please contact sensing@sendyne.com.

     

     

    _______________________________________________________________________________________________________________________________________

    Contact

    +1 212 966-0600

    info@sendyne.com

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