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    28V/16V Bidirectional Load Switch with Wireless/Dual Input Capability
    28V/16V Bidirectional Load Switch with Wireless/Dual Input Capability

    The SGM2541 is a high-current, low-loss bidirectional load switch and over-voltage protection (OVP) device with wireless/dual input capability.

    The device supports up to 20V DC operating input voltage (28V DC withstand) at USBIN pins, and a 16V DC reverse voltage blocking feature at OUT pins. The SGM2541 provides input voltage-clamped protection for input surge events up to 130V. The integrated high-speed input over-voltage protection capability ensures safe operation for surge events that occur during the on-state (conducting) or off-state (non-conducting). The two OVP threshold voltages (17V/13V) can be programmed through VP pin.

    A second input and 2:1 power multiplexer can be achieved by connecting a compatible wireless receiver (wireless Rx) output to the load switch OUT pins.

    The bidirectional device can detect and support USB-OTG applications. It also includes under-voltage lockout, over-voltage lockout and over-temperature protection circuits designed to automatically isolate the power switch terminals when a fault condition occurs.

    The SGM2541 is available in a Green WLCSP-2.43×1.75-20B package. It operates over an ambient temperature range of -40 to +85.



    • Bidirectional Switch for USBIN and OUT to Allow On-The-Go (OTG) Mode

    • Input Voltage Range: 3V to 20V at USBIN and 3V to 16V at OUT

    • Programmable OVP Threshold Voltages

    • 28V Tolerance on USBIN Pin

    • 130V Surge Protection

    • 5A Continuous Current from USBIN to OUT

    • 5A Continuous Current from OUT to USBIN in OTG Mode

    • Low On-Resistance: 29mΩ (TYP)

    • 1.4V Control Logic

    • Soft-Start to Reduce Input Peak Current

    • Available in a Green WLCSP-2.43×1.75-20B Package

    • -40 to +85 Operating Temperature Range


    Smart Phone

    Tablet PC

    Mobile Devices with Wireless Charging Options

    Part NumberStatusPackagePinsPb-FreeTemp Range
    SGM2541YG/TRProductionWLCSP-2.43×1.75-20B20Y-40℃ to +85℃Samples