EPC

EPC91118 Three-Phase Inverter for Humanoid Robot Joints

EPC inverters feature an in-joint form factor for elbow, knee, ankle, and wrist integration

Image of EPC EPC91118 Three-Phase Inverter for Humanoid Robot JointsThe EPC91118 from EPC is a compact, high-efficiency three-phase BLDC inverter designed to fit inside humanoid robot joints. Built around the EPC23104 monolithic GaN ePower stage IC (100 V, 8.7 mΩ typical), the board integrates power stage, sensing, control, and comms to accelerate motion-system prototyping where every millimeter and gram counts.

Features
  • In-joint form factor: 32 mm diameter inverter area (55 mm outer frame for mounting) for knee/ankle/wrist integration
  • GaN power stage: Three EPC23104 ICs form a low-loss three-phase bridge; fast switching enables slimmer magnetics and an all-MLCC DC link
 
  • Robust electrical envelope: 15 V to 55 V input; up to 10 ARMs continuous and 15 ARMs pulsed per phase (typical test conditions)
  • High-band width control: 100 kHz PWM, 50 ns deadtime; integrated current/voltage sensing for precise FOC implementations
Applications
  • Robotic arms and joints (elbow/knee/ankle/wrist)
  • Small UAV propulsion
 
  • Service/industrial robotics

EPC91118 Three-Phase Inverter for Humanoid Robot Joints

ImageManufacturer Part NumberDescriptionTypeFunctionEmbeddedAvailable QuantityPriceView Details
EVAL BOARD FOR EPC23104EPC91118EVAL BOARD FOR EPC23104Power ManagementMotor Controller/DriverYes, MCU37 - Immediate$622.87View Details
Published: 2025-12-03