DRV8830DRCR datasheet by Texas Instruments

DRV8830DRCR Frequently Asked Questions (FAQs)

• What is the maximum voltage that can be applied to the VM pin?
  The maximum voltage that can be applied to the VM pin is 15V, but it's recommended to keep it below 12V for reliable operation.
• How do I choose the right sense resistor value for my application?
  The sense resistor value depends on the motor current and the desired current sense accuracy. A good starting point is to use the formula Rsense = 0.05 / Imax, where Imax is the maximum motor current.
• What is the purpose of the EN pin, and how do I use it?
  The EN pin is an active-high enable input that allows the device to be shut down or put into a low-power state. Tie it to VM or a logic high signal to enable the device, or tie it to GND or a logic low signal to disable it.
• How do I configure the device for half-bridge or full-bridge operation?
  The DRV8830DRCR can be configured for half-bridge or full-bridge operation by connecting the appropriate pins. For half-bridge, connect the OUT1 and OUT2 pins to the motor windings, and for full-bridge, connect the OUT1 and OUT2 pins to one half-bridge and the OUT3 and OUT4 pins to the other half-bridge.
• What is the purpose of the nFAULT pin, and how do I use it?
  The nFAULT pin is an active-low fault indicator that signals an overcurrent, overtemperature, or undervoltage condition. It can be used to trigger an interrupt or shutdown the system in response to a fault.