SLVSCY8B August 2015 – July 2016 DRV8870
PRODUCTION DATA.
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When an output changes from driving high to driving low, or driving low to driving high, dead time is automatically inserted to prevent shoot-through. The tDEAD time is the time in the middle when the output is High-Z. If the output pin is measured during tDEAD, the voltage depends on the direction of current. If the current is leaving the pin, the voltage is a diode drop below ground. If the current is entering the pin, the voltage is a diode drop above VM. This diode is the body diode of the high-side or low-side FET.