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17511 - H-Bridge Motor Driver

General Description

Charge pump bucket capacitor 2 (negative pole).

Charge pump bucket capacitor 1 (positive pole).

Key Features

  • 2.0 to 6.8 V continuous operation.
  • Output current 1.0 A(DC), 3.0 A (peak).
  • MOSFETs < 600 mΩ RDS(ON) @ 25 °C guaranteed.
  • 3.0 V/5.0 V TTL/CMOS compatible logic inputs.
  • PWM frequencies up to 200 kHz.
  • Undervoltage shutdown.
  • Low power consumption.
  • Integrated charge pump.
  • Shoot-through current protection.
  • External MOSFET control circuit Document Number: MPC17511 Rev. 3.0, 10/2013 17511 H-BRIDGE MOTOR DRIVER IC.

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Full PDF Text Transcription (Reference)

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Freescale Semiconductor Technical Data 1.0 A 6.8 V H-Bridge Motor Driver IC The 17511 is a monolithic H-Bridge designed to be used in portable electronic applications to control small DC motors or bipolar step motors. End applications include head positioners (CDROM or disk drive), camera focus motors, and camera shutter solenoids. The 17511 can operate efficiently with supply voltages as low as 2.0 V to as high as 6.8 V. Its low RDS(ON) H-Bridge output MOSFETs (0.46 Ω typical) can provide continuos motor drive currents of 1.0 A and handle peak currents up to 3.0 A. It is easily interfaced to low-cost MCUs via parallel 3.0 V or 5.0 V compatible logic. The device can be pulse width modulated (PWMed) at up to 200 kHz.