Discovery kit with STM32G431CB MCU

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Parameter NameParameter Value
Core ProductSTM32G431CB
ECCN US3A991.a.2
Packing TypeNot Applicable
ROHS Compliance GradeEcopack1
Package NameCARD
Key features
  • Full reference design for electronic speed controller capable of both sensorless FOC and 6-step algorithm
  • Designed for drones with up to 6S LiPo battery pack or equivalent suitable DC supply
  • 3-phase driver board for BLDC/PMSM motors with discrete N-channel 60 V, 120 A STripFET F7 power MOSFETs
  • STM32G431CB Arm® Cortex®-M4 32-bit MCU, 213 DMIPS, 128 Kbytes of Flash memory, 32 Kbytes of SRAM, analog rich, math accelerator
  • On-board ST-LINK/V2-1 debugger/programmer detachable from the main board
  • Output peak motor current (maximum peak current tested with propeller to have an air-forced cooling): 40 A
  • Designed with SMD ceramic capacitors with very low profile
  • BEC available through the daughterboard (5 V for external board supply, for example a flight control board)
  • Support for motor sensors (Hall or encoder)
  • Supported by ST Motor Control Software Development Kit (SDK) with ST Motor profiler
  • 3-shunt mode supported for motor current sensing
  • L6387 High voltage high and low-side driver with integrated interlocking function
  • Overcurrent and overvoltage protection feature (OCP/OVP)
  • Thermal measuring and overheating protection with NTC on board
  • ESC ready for communication with any standard flight control unit (FCU): PWM/CAN/UART
  • Potentiometer and user button available on daughterboard
  • Two user LEDs: one green LED for 3.3 V level, and one red LED configurable by the user
  • Target applications: motor driving for R/C vehicles, UAV drone, electric car or boat
  • PCB type and size:
    • FR-4 PCB material
    • 8-layer layout
    • Dimensions (including the daughterboard with ST-LINK part): 30 mm × 41 mm
    • Weight (including the daughterboard with ST-LINK part): 9.2 g
  • RoHS compliant