Increase trace width through drain-source path of low side drivers for contactor switching. Want a low resistance/inductance path for contactor relay coil current pass through, without getting hot. The increased thickness will also help heatsink the FETs. Consider making them small planes.
Increase trace width through drain-source path of low side drivers for contactor switching. Want a low resistance/inductance path for contactor relay coil current pass through, without getting hot. The increased thickness will also help heatsink the FETs. Consider making them small planes.