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SGM2581E/F/K
Power Distribution Switch
Power Distribution Switch
GENERAL DESCRIPTION

The SGM2581 is an integrated 100mΩ (TYP) power switch for self-powered and bus-powered universal series bus (USB) applications.

The SGM2581 is internally current limited and has thermal shutdown that protects device and load from over-current damage. Thermal shutdown shuts off the output MOSFET and asserts the nFAULT output if the die temperature exceeds +150, and the output MOSFET remains off until the die temperature drops to +130.

This device employs soft-start circuit that minimizes inrush current in applications where highly capacitive loads are employed.

An open drain nFAULT flag asserts low during over- current and thermal conditions after a 13ms blanking time to prevent false reporting.

SGM2581 is available in a Green SOT-23-5 package. It is rated over the -40 to +85 temperature range.

PIN CONFIGURATIONS

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FEATURES
  • Input Voltage Range: 2.5V to 5.5V

  • On-Resistance: 100mΩ (TYP)

  • Current Limit Level: 2600 ± 310mA

  • Quiescent Current: 23μA (TYP)

  • Shutdown Current: 0.1μA (TYP)

  • Full Set of Protections

    Soft-Start

    Under-Voltage Lockout for VIN

    No Reversed Leakage Current

    Thermal Shutdown

  • Quick Output Discharge: SGM2581A/B/C/D/E/F

  • EN Pin Pull-Down Resistor: 500kΩ (SGM2581G/I/K)

  • Evaluated to IEC 60950-1, Ed 2, Am1, Annex CC, Test Program 1 with CB Report (SGM2581A/C/E)

  • Available in a Green SOT-23-5 Package

APPLICATIONS

Digital TV

Set-Top Box

Motherboard USB Power Switch

USB Device Power Switch

ORDERING INFORMATION
Part Number Status Package Pins Pb-Free Temp Range
SGM2581KYN5G/TR Production SOT-23-5 5 Y -40℃ to +85℃ Samples
SGM2581FYN5G/TR Production SOT-23-5 5 Y -40℃ to +85℃ Samples
SGM2581EYN5G/TR Production SOT-23-5 5 Y -40℃ to +85℃ Samples