EPC91104: 14 ARMS 3-Phase Motor Drive Inverter

EPC91104 – 14 ARMS 20 A peak 3-Phase BLDC Motor Drive Inverter Board

EPC91104 Invertor Board

The EPC91104 evaluation board is a 3-phase BLDC motor drive inverter board featuring the EPC23104 ePower Stage IC 11 mΩ maximum RDS(on), 100 V maximum device voltage. The EPC91104 can deliver up to 10 Apk (7 ARMS) steady-state output current and up to 20 Apk (14 ARMS) pulsed output current (tpulse= 300 ms at 5%, 10%, and 20% of the total period).

The EPC91104 contains all the necessary critical functions circuits to support a complete motor drive inverter including regulated auxiliary power rails for housekeeping supplies, voltage, and temperature sense, accurate current sense, and protection functions.

The EPC91104 mates with an assortment of compatible controllers, supported by various manufacturers leveraging existing resources for quick development purposes as a motor drive inverter.

Features

  • 3-phase inverter based on EPC23104 ePower Stage IC with wide input DC voltage ranging from 14 V to 80 V
  • Dimensions: L x W = 75 mm x 72 mm
  • Low distortion switching that keeps motor audio emission low and reduces torque ripple
  • dv/dt optimized for motor drives less than 10 V/ns
  • Current sense, voltage sense, temperature monitoring circuit
  • Protection features including: over-current and input supply under voltage lockout
  • Shaft encoder/Hall sensors interface connector for motor drive application with two voltage levels selection option

Applications

  • BLDC motor drives
    • eMobility
    • Robotics
    • Drones


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