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PC33887VW - 5.0 A H-Bridge with Load Current Feedback

Description

of each terminal can be found in the System/Application Information section, page 19.

12 13 14, 15 17 18 19 20 Tab/Pad Terminal Name AGND FS IN1 V+ OUT1 FB PGND D2 OUT2 CCP D1 IN2 EN Thermal Interface Formal Name Analog Ground Fault Status for H-Bridge Logic

Features

  • 5.0 V to 40 V Continuous Operation.
  • 120 mΩ RDS(ON) H-Bridge MOSFETs.
  • TTL/CMOS Compatible Inputs.
  • PWM Frequencies up to 10 kHz.
  • Active Current Limiting (Regulation) via Internal Constant OFF-Time PWM (with Temperature-Dependent Threshold Reduction).
  • Output Short Circuit Protection (Short to V+ or Short to GND).
  • Undervoltage Shutdown.
  • Fault Status Reporting.
  • Sleep Mode with Current Draw ≤50 µA (Inputs Floating or Set.

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Full PDF Text Transcription

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Freescale Semiconductor, Inc. MOTOROLA SEMICONDUCTOR TECHNICAL DATA Document order number: MC33887 Rev 9.0, 10/2004 5.0 A H-Bridge with Load Current Feedback The 33887 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. The 33887 is 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 (PWM-ed) at frequencies up to 10 kHz.
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