Development board for Brushless Motor, DC Brushed Motor, AC Motors (Pre-Driver)


The project described here is a pre-driver for brushless motors with a hall sensor. The board incorporates many features like current monitor, fault, speed control, direction control motor start/stop using tactile switches, various function LEDs, 6 PWM LEDs. By combining it with a hybrid IC or IPM module large size high voltage and high current motor can be driven. The project is compatible with the Microchip PICDEM MCLV motor development board, HEX firmware of the MCLV board can directly work with this board. This board is mainly targeted to control brushless DC (BLDC) motors in hall sensor operations. The board supports a free, ready-to-use MC-GUI (Motor Control – Graphical User Interface) from Microchip. Using the MC-GUI, the user can easily set and/or change motor parameters. This greatly helps the user in developing customized drive solutions. Temperature sensor chip U3 is optional so do not populate. The fault pin has to be high for normal operation, bring it to GND to disable the operations. This pin can be used as over current input from ITRIP pin or an over-current comparator of the IPM module. Overcurrent can be monitored using the IMO (RA0) pin of IC in the range 0 to 3V. PWM Frequency default 20Khz with example HEX code. Hex code is available as a download.

Development board for Brushless Motor, DC Brushed Motor, AC Motors (Pre-Driver) – [Link]



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