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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