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TMC2660-PA Slide 9

As the PCB-layout is critical to good performance it should be taken special care of. In the motor driver circuitry highly sensitive analog signals are close to high current motor and gate current tracks, so special care should be taken for the placement. Keep symmetric placement (and layout) for both sense resistors. Place the sense resistors close to the power MOSFETs with one or more vias to the ground plane for each sense resistor. Keep symmetric placement and connections to MOSFETs and spend cooling area as copper planes where possible.

PTM Published on: 2014-05-28