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The X-NUCLEO-IHM15A1 dual brush DC motor driver expansion board is based on the STSPIN840.  It is designed for easy evaluation and proof of concept. It’s the next member of X-NUCLEO series and can be very easily connected to STM32 NUCLEO boards (NUCLEO-F401RE, for example) through the standard Arduino™ UNO connector.

Using this HW solution combined with firmware the X-CUBESPN15 package, you get the complete environment for running a brushed DC motor.  The STM32CubeMX & ST-Link are also required.

  • Operating voltage from 7 to 45 V
  • Maximum output current 1.5 Arms
  • RDSon HS + LS = 1 Ω typ.
  • Current control with adjustable OFF time
  • Current sensing based on external shunt resistors
  • Full protections set
  • Non-dissipative overcurrent protection
  • Short-circuit protection
  • Undervoltage lockout
  • Thermal shutdown
  • Parallel operation mode achieving single full-bridge configuration with output IRMS = 3 Arms and RDSon HS + LS = 500 mΩ typ.
  • Low standby current consumption

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