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MPQ6609-AEC1 4-32V, 1A Stepper Motor Driver QFN-18
MPQ6609-AEC1 4-32V, 1A Stepper Motor Driver QFN-18

MPQ6609-AEC1 4-32V, 1A Stepper Motor Driver QFN-18

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pMPS MPQ6609-AEC1 — Stepper Motor Driver, 4-32V input, 1 A output, QFN-18, AEC-Q100./p
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    MPQ6609-AEC1 4-32V, 1A Stepper Motor Driver QFN-18

    The MPS MPQ6609-AEC1 is a Stepper Motor Driver. It operates from a 4 V to 32 V input and is rated for 1 A. It is supplied in a QFN-18 package. The part is AEC-Q100 qualified.

    The MPQ6609 is a stepper motor driver with current regulation and a built-in translator.

    Key Specifications

    Part NumberMPQ6609-AEC1
    FunctionStepper Motor Driver
    Input Voltage4 V to 32 V
    Current Rating1 A
    PackageQFN-18
    QualificationAEC-Q100
    Ordering CodesMPQ6609-AEC1, MPQ6609GLE-AEC1-Z

    Features

    • 4V to 32V Operating Supply Input Voltage (VIN)
    • Two Internal Full-Bridge Drivers
    • Up to 1/32-Step Microstepping
    • Internal Current-Sensing and Regulation
    • Low On Resistance (RDS(ON)): 350mΩ High- Side MOSFET (HS-FET), 230mΩ Low-Side MOSFET (LS-FET)
    • Serial Control Interface
    • Enable (EN) and Step Input (STEP) Pins
    • 3.3V and 5V Compatible Logic Input
    • 1A Configurable Peak Current
    • Automatic Hold Current

    Typical Application Circuit

    MPQ6609-AEC1 typical application circuit
    MPQ6609-AEC1 typical application circuit, as published in the MPS datasheet.

    Applications

    • Automotive Stepper Motors
    • Headlight Position Adjustment

    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 MPQ6609-AEC1 support?
    4 V to 32 V. The rated output is 1 A.
    Which package and ordering codes apply to the MPQ6609-AEC1?
    QFN-18; order codes include MPQ6609-AEC1, MPQ6609GLE-AEC1-Z.
    What are the defining features of the MPQ6609-AEC1?
    4V to 32V Operating Supply Input Voltage (VIN) Two Internal Full-Bridge Drivers
    Is the MPQ6609-AEC1 qualified for automotive designs?
    Yes — it is AEC-Q100 qualified. Confirm the grade against the qualification summary in the datasheet before specifying it on a safety-related rail.

    Shenzhen Gaorunxin Technology Co., Ltd

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    Shenzhen Gaorunxin Technology Co., Ltd

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