MP2496 7-36V, 2.5A Frequency-Selectable Step-Down Converter QFN-26
MP2496 7-36V, 2.5A Frequency-Selectable Step-Down Converter QFN-26

MP2496 7-36V, 2.5A Frequency-Selectable Step-Down Converter QFN-26

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pMPS MP2496 — Frequency-Selectable Step-Down Converter, 7-36V input, 2.5 A output, QFN-26./p
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    MP2496 7-36V, 2.5A Frequency-Selectable Step-Down Converter QFN-26

    The MPS MP2496 is a Frequency-Selectable Step-Down Converter. It operates from a 7 V to 36 V input, is rated for 2.5 A and switches at 150 kHz. It is supplied in a QFN-26 package.

    The MP2496 integrates a monolithic, step-down, switch-mode converter with a single USB current-limit switch and charging port identification circuits.

    Key Specifications

    Part NumberMP2496
    FunctionFrequency-Selectable Step-Down Converter
    Input Voltage7 V to 36 V
    Output Voltage5 V
    Current Rating2.5 A
    Switching Frequency150 kHz
    PackageQFN-26
    Ordering CodesMP2496

    Features

    • Wide 7V to 36V Operating Input Voltage Range
    • Fixed 5V Output Voltage with Line Drop Compensation
    • Accurate USB Output Current Limit
    • 40mΩ/32mΩ Low-RDS(ON) Internal Buck Power MOSFETs
    • 24mΩ Low-RDS(ON) Internal USB Power MOSFET
    • 350kHz / 250kHz / 150kHz Frequency Selectable
    • Programmable Line Drop Compensation
    • Output Over-Voltage Protection (OVP)
    • Hiccup Current Limit
    • Supports DCP Scheme for BC1.2, Divider Mode, and 1.2V/1.2V Mode

    Typical Application Circuit

    MP2496 typical application circuit
    MP2496 typical application circuit, as published in the MPS datasheet.

    Applications

    • USB Dedicated Charging Port (DCP)
    • Automotive Cigarette Lighter Adapters

    Design Notes

    • Rail sequencing order and delay are part of the SoC power-up contract; a wrong order latches the processor even though every rail is in spec.
    • In multiphase designs, current balance depends on the loop matching between phases, so keep the layout symmetric.
    • Digital interfaces (PMBus, I²C) need pull-ups to the correct rail and a defined state during power-up.
    • Thermal design is a system problem here: the PMIC sits next to the load it feeds, so budget the shared copper, not the package alone.

    Common Questions

    What input voltage does the MP2496 support?
    7 V to 36 V. The rated output is 2.5 A.
    Which package and ordering codes apply to the MP2496?
    QFN-26; order codes include MP2496.
    What are the defining features of the MP2496?
    Wide 7V to 36V Operating Input Voltage Range Fixed 5V Output Voltage with Line Drop Compensation

    Shenzhen Gaorunxin Technology Co., Ltd

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