DRV8810PAP datasheet by Texas Instruments

DRV8810PAP 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 50V, but it's recommended to keep it below 40V for reliable operation.
• How do I calculate the current sense resistor value for my application?
  The current sense resistor value can be calculated using the formula: RSENSE = (VREF / ISCALE) / (ICURRENT_MAX / GAIN), where VREF is the reference voltage, ISCALE is the current sense amplifier gain, ICURRENT_MAX is the maximum current, and GAIN is the gain of the current sense amplifier.
• What is the purpose of the EN pin, and how do I use it?
  The EN pin is an enable input that allows the device to be enabled or disabled. When EN is high, the device is enabled, and when EN is low, the device is disabled. This pin can be used to implement a shutdown or sleep mode in the system.
• How do I configure the device for half-bridge or three-phase operation?
  The DRV8810PAP can be configured for half-bridge or three-phase operation by connecting the appropriate pins and setting the MODE pin accordingly. For half-bridge operation, connect the OUT1 and OUT2 pins together, and for three-phase operation, connect the OUT1, OUT2, and OUT3 pins together. The MODE pin should be set to 0 for half-bridge operation and 1 for three-phase operation.
• What is the recommended PCB layout for the DRV8810PAP?
  The recommended PCB layout for the DRV8810PAP includes keeping the power traces short and wide, using a solid ground plane, and placing the decoupling capacitors close to the device. It's also recommended to keep the current sense resistors close to the device and to use a Kelvin connection for the current sense resistors.