Powertrain and Electrification Analog Drivers Knowledge Base

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Powertrain and Electrification Analog Drivers Knowledge Base

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  In this attachment you will better understand how does MC33813/4 works.   Contents 1 Power.................................................................................................................................................... 2 2 Low side driver (LSD)....................................................................................................................... 3 2.1 Open Load................................................................................................................................. 4 2.2 Short to Battery/Over current ............................................................................................. 4 2.3 Short to Ground....................................................................................................................... 5 2.4 Open Load Current Sink ....................................................................................................... 5 2.5 Over Temperature................................................................................................................... 6 3 Pre-Driver ........................................................................................................................................... 7 3.1 Open Load/Short to Battery................................................................................................ 7 3.2 Over current.............................................................................................................................. 8 4 VRS........................................................................................................................................................ 9 4.1 Manuel and Automatic mode............................................................................................. 9 4.1.1 Manuel Mode.................................................................................................................. 9 4.1.2 Automatic Mode ..........................................................................................................10 4.2 GND VRSN and Dis 2.5Vref................................................................................................11 4.2.1 VRS single-ended input.............................................................................................11 4.2.2 Hall Sensor .....................................................................................................................11 4.2.3 Others ..............................................................................................................................12
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