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H-Bridge-Slide12

The M0-7 family right now only consists of the VNH7013. This is actually just four MOSFETs in a single package. There is a dual high-side in the yellow island, and two low-side MOSFETs in the blue islands. There is no charge pump, just gates and MOSFETs. This part is essentially 13mOhms/leg and can handle about 40A (It is not current limited). It has a 72V breakdown voltage. Being that they are essentially just MOSFETs there is no operating voltage other than the Gate breakdown and the drain-source breakdown voltages. There is no active protection for these switches. Inside the high-side drivers is a string of four diodes. They provide a -8mV/°C thermal coefficient thermal sensor capability. In any other form of protection, current limiting or drain-source voltage monitoring would have to come from another circuit. There are all kinds of other things designers can do with this device, as long as they have a controller to do it. The gates take a full 10V to fully enhance the MOSFET channels. In other words, to turn on the high side MOSFETs requires their gate voltages to be 10V above the supply.

PTM Published on: 2014-12-19