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TMC2660-PA Slide 10

For Power Filtering: a 470 nF ceramic capacitor on 5 VOUT placed as close as possible to the 5 VOUT pin with its GND return going directly to the nearest GND pin. Use as short and as thick connections as possible. A 100 nF filtering capacitor placed as close as possible from the VS pin to the ground plane. The Decouple motor supply pins, VSA and VSB, decoupled with an electrolytic (>47 μF is recommended) capacitor and a ceramic capacitor, placed close to the device. The switching motor coil outputs have a high dV/dt. Capacitive stray into high resistive signals can occur, if the motor traces are near other traces over longer distances.

PTM Published on: 2014-05-28