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Image of Trinamic TMC6200-Slide10

The resulting switching slope mainly depends on gate driver strength and MOSFETs. Most designers want slopes of 10ns to 100ns. To adapt the slope, the TMC6200 offers three levels of driver strengths of 0.5A, 1A and 1.5A. Even low gate driver strength for small MOSFETs is realized using gate series resistors like in the BOB example. Configuration of the short detector. The high side short detector is mainly intended to avoid destruction of the power stage in short circuit conditions. Set a value with sufficient margin to avoid false triggering. Low-Side short detection allows fine adjustments of maximum voltage drop on the MOSFET, to provide additional overcurrent protection, for example: during motor overload.

PTM Published on: 2019-08-08