MP5493 5-36V, 0.6A Synchronous Buck Supercapacitor Charger and Boost TSOT23
MP5493 5-36V, 0.6A Synchronous Buck Supercapacitor Charger and Boost TSOT23

MP5493 5-36V, 0.6A Synchronous Buck Supercapacitor Charger and Boost TSOT23

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pMPS MP5493 — Synchronous Buck Supercapacitor Charger and Boost, 5-36V input, 0.6 A output, TSOT23./p
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    MP5493 5-36V, 0.6A Synchronous Buck Supercapacitor Charger and Boost TSOT23

    The MPS MP5493 is a Synchronous Buck Supercapacitor Charger and Boost. It operates from a 5 V to 36 V input, is rated for 0.6 A and switches at 550 kHz. It is supplied in a TSOT23 package.

    The MP5493 is an energy backup and management unit that provides a very compact and efficient energy management solution for the power line carrier (PLC) in power meters.

    Key Specifications

    Part NumberMP5493
    FunctionSynchronous Buck Supercapacitor Charger and Boost
    Input Voltage5 V to 36 V
    Current Rating0.6 A
    Switching Frequency550 kHz
    PackageTSOT23
    Ordering CodesMP5493

    Features

    • Wide 5V to 36V Operating Input Voltage (VIN)
    • Real-Time Input Shutdown Detection to Enable Boost Mode
    • Input Status Indicator
    • Bidirectional Converter for Supercapacitor Charger and Boost o 600mΩ/320mΩ Internal Power MOSFETs o Adjustable Output from 1.2V for Supercapacitor Charger
    • Over-Temperature Protection (OTP)
    • Available in a TSOT23-8 Package Optimized Performance with MPS Inductor MPL-AL4020 Series, MPL-SE5040 Series, and MPL-SE6040 Series

    Typical Application Circuit

    MP5493 typical application circuit
    MP5493 typical application circuit, as published in the MPS datasheet.

    Applications

    • PLC Modules
    • Power Meters
    • Backup Capacitor Systems

    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 MP5493 support?
    5 V to 36 V. The rated output is 0.6 A.
    Which package and ordering codes apply to the MP5493?
    TSOT23; order codes include MP5493.
    What are the defining features of the MP5493?
    Wide 5V to 36V Operating Input Voltage (VIN) Real-Time Input Shutdown Detection to Enable Boost Mode

    Shenzhen Gaorunxin Technology Co., Ltd

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    Shenzhen Gaorunxin Technology Co., Ltd

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