MC33886DHR2 Datasheet

otor / Motion / Ignition Controllers & Drivers


The MC33886DHR2 is a monolithic H-Bridge ideal for fractional horsepower DC-motor and bi-directional thrust solenoid control. The IC incorporates internal control logic, charge pump, gate drive, and low RDS(ON)MOSFET outputcircuitry. The 33886 is able to control continuous inductive DC load currents up to 5.0 A. Output loadscan be pulse width modulated (PWM-ed) at frequencies up to 10 kHz.A Fault Status output reports under-voltage, short-circuit, and over-temperature conditions. Two independent inputs control the two half-bridge totem-pole outputs. Two disable inputs force the H-Bridge outputs to tri-state (exhibit high-impedance). MC33886DHR2 Features • 5.0 V to 40 V Continuous Operation• 120 mΩ RDS(ON) H-Bridge MOSFETs• TTL/CMOS Compatible Inputs• PWM Frequencies up to 10 kHz• Active Current Limiting via Internal Constant OFF-Time PWM (with Temperature-Dependent Threshold Reduction)• Output Short-circuit Protection• Under-voltage Shutdown• Fault Status Reporting


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