Dual H-Bridge, Motor Driver, 2-8.6 V, 1.4 A, 200 kHz

MPC17531

The NXP® MPC17531A is a monolithic dual H-Bridge power IC ideal for portable electronic applications containing bipolar step motors and/or brush DC-motors, such as cameras and disk drive head positioners.

  • Operates from 2.0 V to 8.6 V using the internal charge pump, with independent control of each H-Bridge via parallel MCU interface
  • Features built-in shoot-through current protection and an undervoltage shutdown function
  • Has four operating modes: Forward, Reverse, Brake, and Tri-Stated (High Impedance)
  • Efficiently drives many types of micromotors with low power dissipation owing to its low output resistance and high output slew rates

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Block Diagram

MPC17531

MPC17531
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Features

  • Low Total RDS(ON) 0.8 Ω (Typ), 1.2 Ω (Max) @ 25°C
  • Output Current 0.7 A (DC)
  • Shoot-Through Current Protection Circuit
  • PWM Control Input Frequency up to 200 kHz
  • Built-In Charge Pump Circuit
  • Low Power Consumption
  • Undervoltage Detection and Shutdown Circuit
  • Power Save Mode with Current Draw ≤ 2.0 µA
  • Pb-Free Packaging Designated by Suffix Codes EV and EP

Key Parametrics

  • Load Supply Voltage (Min) (V)
    2
  • Load Supply Voltage (Max) (V)
    8.6
  • Interface and Input Control
    Parallel / Parallel
  • Ambient Operating Temperature (Min to Max) (℃)
    -20 to 65

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