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STEVAL-IHM041V1

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Universal motor driver with speed control based on the STM8 and Triac (US version)

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$67.38
Parameter NameParameter Value
Target ApplicationUniversal Motor Control
Core ProductSTM8S103F3, T1635T-8I
ECCN USEAR99
ECCN EUNEC
Packing TypeNot Applicable
RoHs compliantEcopack2
GradeIndustrial
Package NameCARD

The STEVAL-IHM041V1 demonstration board is a Triac-based phase angle control for universal motor speed control using an STM8S103F3P6, 8-bit microcontroller, to set the conduction angle of the Triac.


The STEVAL-IHM041V1 demonstration board may be operated in either open loop mode or in closed loop speed control mode, with an AC tach, Hall sensor or opto-sensor feedback.


The open loop mode may also be used as a lamp dimmer.


The STEVAL-IHM041V1 demonstration board is designed to operate from a 120 V/60 Hz mains, but may be easily modified to operate on other mains voltages by changing components in the power supply and motor voltage sensing circuits. Suggested component values for 230 V/50 Hz mains voltages are shown in the relevant bill of materials.

Key features
  • Input voltage 120 V/60 Hz
  • Motor current: 7 A RMS
  • Phase control for universal motor drive
  • Open loop or closed loop speed regulation
  • Voltage and current sensing, for sensorless operation (optional)
  • Debug outputs
  • AC tach, Hall sensor or opto-sensor for speed feedback
  • RoHS compliant