![]() ![]() Short faults, supply undervoltage, and chip over-temperature conditions are indicated by a single open drain fault output. Motor phase short-to-supply and short-to-ground detection is provided by independent drain-source voltage monitors on each MOSFET. The power MOSFETs are protected from cross-conduction by integrated crossover control. ![]() One logic level input is provided for each of the four power MOSFETs in the full-bridge, allowing motors to be driven with any PWM scheme defined by an external controller. A bootstrap capacitor is used to provide the above battery supply voltage required for n-channel MOSFETs. The A5929 is a full-bridge controller for use with N-channel external power MOSFETs and is specifically designed for automotive applications.Ī unique charge pump regulator provides full (>10 V) gate drive at battery voltages down to 7 V and allows the A5929 to operate with reduced gate drive at battery voltages down to 5.5 V. ![]()
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