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MP6632A 6-50V, 1A 50V, 3-Phase Brushless DC Motor Driver QFN-32
MP6632A 6-50V, 1A 50V, 3-Phase Brushless DC Motor Driver QFN-32

MP6632A 6-50V, 1A 50V, 3-Phase Brushless DC Motor Driver QFN-32

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pMPS MP6632A — 50V, 3-Phase Brushless DC Motor Driver, 6-50V input, 1 A output, QFN-32./p
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    MP6632A 6-50V, 1A 50V, 3-Phase Brushless DC Motor Driver QFN-32

    The MPS MP6632A is a 50V, 3-Phase Brushless DC Motor Driver. It operates from a 6 V to 50 V input, is rated for 1 A and switches at 50 kHz. It is supplied in a QFN-32 package.

    The MP6632A is a 3-phase brushless DC (BLDC) motor driver with up to 1A of driving current and a 6V to 50V input voltage (VIN) range.

    Key Specifications

    Part NumberMP6632A
    Function50V, 3-Phase Brushless DC Motor Driver
    Input Voltage6 V to 50 V
    Current Rating1 A
    Switching Frequency50 kHz
    InterfacePWM
    PackageQFN-32
    Ordering CodesMP6632A

    Features

    • 6V to 50V Input Voltage (VIN) Range
    • Up to 1A Driving Current Capacity
    • 120° Modulation
    • Supports 0V to 3.3V DC Input or 50Hz to 100kHz Pulse-Width Modulation (PWM) Input
    • Supports External Triple-Hall Input
    • Closed-/Open-Loop Speed Control
    • Direction/Brake input
    • Power-Save Mode (PSM)
    • Locked-Rotor Detection
    • Over-Current Protection (OCP)

    Typical Application Circuit

    MP6632A typical application circuit
    MP6632A typical application circuit, as published in the MPS datasheet.

    Applications

    • General 3-Phase Brushless DC (BLDC) Motors

    Design Notes

    • Set dead time to match the external FET turn-off, not the datasheet typical. Too little risks shoot-through, too much distorts the current waveform at low duty cycle.
    • Use a Kelvin connection for the current-sense resistor; shared copper injects switching noise straight into the sense amplifier.
    • The thermal pad is the only heat path for most packages — via-stitch it to a ground plane with at least 9 vias.
    • PWM frequency trades switching loss against current ripple in the motor inductance; 20 kHz keeps the drive out of the audible band.
    • Add a brake or coast path so regeneration during a fast stop does not pump the supply rail.

    Common Questions

    What input voltage does the MP6632A support?
    6 V to 50 V. The rated output is 1 A.
    Which package and ordering codes apply to the MP6632A?
    QFN-32; order codes include MP6632A.
    What are the defining features of the MP6632A?
    6V to 50V Input Voltage (VIN) Range Up to 1A Driving Current Capacity

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