AMP_PCB_Brake-Controller

PCB with brake motor controller files and documentation

Features

• Breakout board form factor for easy replacement
• Large maximum current rating (50A continuous, 117A pulse)
• Motor driver (currently) still in production

Testing

• Order PCB
• Assemble PCB
• Test PCB independently
  • Simple forward/reverse polarity
  • Higher current (motor) load
  • PWM forward/reverse
  • PWM motor load
• Test PCB on kart

Notes

• Find reverse polarity protection MOSFET and suitable zener diode
  • MOSFET package: TO-252
  • Zener package: SOT-23
• Use largest 0805 capacitor for C7 (1000uF in schematic)
• To add reverse polarity protection, solder Q1, D1, R1
• To bypass reverse polarity protection, bridge JP1
• All passive components are 0805 package size

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Useful figures

Operation truth table:

Absolute maximum ratings: