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

MC33932

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The NXP® MC33932 has two independent monolithic H-Bridge power ICs in a robust thermally enhanced package.

  • Designed primarily for automotive electronic throttle control, but are applicable to any low-voltage DC servo motor control application within the current and voltage limits stated in this specification
  • Each H-bridge in the MC33932 is able to control inductive loads with currents up to 5.0 A peak
  • RMS current capability is subject to the degree of heatsinking provided to the device package
  • Internal peak-current limiting (regulation) is activated at load currents above 6.5 A ± 1.5 A.
  • Output loads can be pulse width modulated at frequencies up to 11 kHz
  • Processor Expert® component for medium voltage H-Bridge products enables rapid embedded application development.

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Block Diagram

MC33932 Simplified Application Drawing

MC33932 Simplified Application Drawing
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Features

Key Features

  • 8.0 V to 28 V continuous operation (transient operation from 5.0 V to 40 V)
  • 235mΩ maximum RDS(ON) @ 150°C (each H-Bridge MOSFET)
  • 3.0 V and 5.0 V 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 < 50μ A (each half with inputs floating or set to match default logic states)

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MC33932 is included in the 15-year program

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