FNS - Electric Vehicle Inverter

Product enquiry 

FNS electric vehicle inverter (EV Inverter) is a motor controller for electric vehicles. This electrical device converts electricity between a DC (Direct Current) circuit on battery side and AC (Alternating Current) on electric motor side. EV inverter controls the operation of the electric motor (an example: start/stop, forward/reverse rotation, selecting and controlling the speed, modifying or limiting the torque) and protecting against faults and overloads.

FNS is designed to work with Surface Permanent Magnet Synchronous Motors (SPMSM) and Interior Permanent Magnet Synchronous Motor (IPMSM).



  • Nominal output power:
    • FNS-60: 43 kW, 75 kW i 100 kW
    • FNS-70: 150 kW, 200 kW
  • Battery voltage:
    • 300÷400 VDC for 43 kW inverter
    • 500÷650 VDC for 75 kW and 100 kW inverters
    •  500÷750 VDC for 150 kW and 200 kW inverters
  • Continuous current:
    • 100 A for 43 kW and 75 kW inverters
    • 150 A for 100 kW inverter
    • 300 A for 150 kW inverter
    • 400 A for 200 kW inverter
  • Three and six-phase implementations
  • Control method: FOC with MTPA (Maximum Torque Per Ampere) and with motor operating points saved in table (Look-up table)
  • Digital inputs: 4 general purpose digital inputs and 1 fast 5 kHz digital input
  • Digital outputs: 2 general purpose digital outputs and 1 5 kHz special purpose digital output
  • Analog inputs: 1
  • Communication interfaces/protocols:
    • CANOpen: CAN 2.0b 125 kbit/s
    • Modbus RS-485 (service use)
  • Switching frequency: 6 kHz ÷ 12 kHz
  • Control circuit nominal supply: 12 VDC
  • Position sensor: resolver or absolute encoder SSI 5V RS-422
  • Compatible position sensors: resolver, SSI 5V RS422 absolute encoder, RS422 incremental
    encoder, optional Hall sensors
  • Easy to use HVBI connector system (Amphenol Pcd)
  • Protections: over-current, under/over-voltage, temperature of EV inverter and electric motor
  • Cooling system: mixture of 50% water and 50% glycol
  • Compact IP67 housing that meets Automotive standards


pdf Datasheet 


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