H-Bridge, Brushed DC Motor Driver, 5-28 V, 5 A, 11 kHz

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Block Diagram

MC33931 Simplified Application Drawing

MC33931 Simplified Application Drawing

Features

  • 8.0V to 28V continuous operation (transient operation from 5.0V to 40V)
  • 235mΩ maximum RDS(ON) @ Tj=150°C (each H-Bridge MOSFET)
  • 3.0V and 5.0V TTL / CMOS logic compatible inputs
  • Over-current limiting (regulation) via internal constant-off-time PWM
  • Output short-circuit protection (short to VPWR or GND)
  • Temperature-dependant current-limit threshold reduction
  • All inputs have an internal source/sink to define the default (floating input) states
  • Sleep mode with current draw < 50μA (each half with inputs floating or set to match default logic states)

Design Resources

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