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MPQ2489-AEC1 6-55V, 1A Step Down White LED Driver QFN6
MPQ2489-AEC1 6-55V, 1A Step Down White LED Driver QFN6

MPQ2489-AEC1 6-55V, 1A Step Down White LED Driver QFN6

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pMPS MPQ2489-AEC1 — Step Down White LED Driver, 6-55V input, 1 A output, QFN6, AEC-Q100./p
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    MPQ2489-AEC1 6-55V, 1A Step Down White LED Driver QFN6

    The MPS MPQ2489-AEC1 is a Step Down White LED Driver. It operates from a 6 V to 55 V input and is rated for 1 A. It is supplied in a QFN6 package. The part is AEC-Q100 qualified.

    The MPQ2489 is a high efficiency step-down converter designed in continuous current mode for driving the high brightness Light Emitting Diodes (LED) from wide input voltage 6V–55V.

    Key Specifications

    Part NumberMPQ2489-AEC1
    FunctionStep Down White LED Driver
    Input Voltage6 V to 55 V
    Current Rating1 A
    InterfacePWM
    PackageQFN6
    QualificationAEC-Q100
    Ordering CodesMPQ2489-AEC1

    Features

    • Guaranteed Industrial/Automotive Temp
    • Internal 60V MOSFET
    • Wide 6V to 55V Input Range
    • 1A Output Current
    • High Efficiency (>95%)
    • Hysteresis Control
    • PWM & Analog Dimming
    • 1000:1 PWM Dimming Resolution
    • Thermal Shutdown
    • Inherent Open LED Protection

    Typical Application Circuit

    MPQ2489-AEC1 typical application circuit
    MPQ2489-AEC1 typical application circuit, as published in the MPS datasheet.

    Applications

    • Low Voltage Halogen Replacement
    • Low Voltage General Illumination
    • Automotive/Decorative LED Lighting
    • Signs/Emergency Lighting

    Design Notes

    • Channel-to-channel current matching sets backlight uniformity; check the matching spec at the current you will actually run.
    • In boost topologies the OVP threshold must clear the worst-case forward voltage of the longest string, including temperature and binning spread.
    • Keep PWM dimming above 200 Hz to stay clear of visible flicker, and away from the audio band if the product has a speaker.
    • Size the inductor and output capacitor for the string current ripple, not the total LED current.

    Common Questions

    What input voltage does the MPQ2489-AEC1 support?
    6 V to 55 V. The rated output is 1 A.
    Which package and ordering codes apply to the MPQ2489-AEC1?
    QFN6; order codes include MPQ2489-AEC1.
    What are the defining features of the MPQ2489-AEC1?
    Guaranteed Industrial/Automotive Temp Internal 60V MOSFET
    Is the MPQ2489-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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