MC33932 5A Dual H-Bridge

Dual 5.0 A H-Bridge IC with protection features


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The MC33932 is a monolithic power IC comprising control logic, charge pump, gate drive, and low RDS(ON) MOSFET output H-Bridge circuitry into a small surface mount package. It is designed to drive inductive loads with RMS currents up to 5.2 A in both directions. In addition, the current drive can be pulse width modulated (PWM) at frequencies up to 20 kHz. An internal current mirror circuit provides a proportional (1/400 th ) sample of the output current, which may be used to provide feedback or load information to a microcontroller s A/D input. Under voltage, over temperature, and over current conditions are detected and reported via a status flag output. Output control is via two independent inputs (each half of the bridge may be utilized as an independent totem pole output). Enables can place the bridge into sleep mode (<25 A). Typical applications include: DC-motor acme lead screw actuators, servo gear actuators, bi-directional thrust solenoids, and fractional horsepower DC-motor control.


MC33932 Datasheet

  • Model: RKI-1067

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