H-Bridge, Brushed DC Motor Driver, 5-28 V, 5 A, 10 kHz

MC33887

The NXP® MC33887 is a monolithic H-Bridge power IC with a load current feedback feature making it ideal for closed-loop DC motor control.

  • The IC incorporates internal control logic, charge pump, gate drive, and low RDS(ON) MOSFET output circuitry
  • Able to control inductive loads with continuous DC load currents up to 5.0 A, and with peak current active limiting between 5.2 A and 7.8 A
  • Output loads can be pulse width modulated at frequencies up to 10 kHzdervoltage, overtemperature, and overcurrent conditions are detected and reported via a status flag output
  • The load current feedback feature provides a proportional constant-current output suitable for monitoring by a MCU’s A/D input, which facilitates the design of closed-loop torque/speed control as well as open load detection

Product Details

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Block Diagram

NXP MC33887 Power Actuation

NXP MC33887 Internal Block Diagram
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Features

Key Features

  • Fully specified operation 5.0 V to 28 V
  • Limited operation with reduced performance up to 40 V
  • 120 mΩ RDS(ON) typical H-Bridge MOSFETs
  • TTL/CMOS compatible inputs
  • PWM frequencies up to 10 kHz
  • Active current limiting (regulation)
  • Fault status reporting
  • Sleep mode with current draw ≤50 μA (inputs floating or set to match default logic states)
  • Polarity control through two independent inputs
  • Exhibit high-impedance through two disable inputs
  • Load supply voltage min. 5 V, max. 28 V
  • Parallel interface and input control
  • Ambient operating temperature -40 to 125 °C

Product Longevity Program

  • This product is included in the NXP Product Longevity Program ensuring a stable supply of products for your embedded designs. The MC33887 is included in the 15-year program

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