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4 votes

DRV8874 motor driver on a custom PCB burns immediately

You swapped the charge pump pin with the motor supply voltage. This could cause your observed behavior, and will prevent proper operation. See your schematic here versus the datasheet reference: (...
W5VO's user avatar
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1 vote

Saturation of controlled voltage source

SPICE is very tricky for novices, since they have no feel for what aspects of functionality are reasonable to model in an op-amp. Many op-amp models don't model the voltage supply pin behavior well, ...
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