Hi Ruaridh,
Yes. In coast mode, all four MOSFETs are turned off. This is similar to the No PWM Mode operating supply current. In BRAKE Mode, the two Low-Side MOSFETs are turned on, so the device is using power to keep these MOSFETs on during the off time.
Yes. In coast mode, all four MOSFETs are turned off. This is similar to the No PWM Mode operating supply current. In BRAKE Mode, the two Low-Side MOSFETs are turned on, so the device is using power to keep these MOSFETs on during the off time.