Patents Assigned to Alpha & Omega Semiconductor, LLD.
  • Current limited bilateral MOSFET switch with reduced switch resistance and lower manufacturing cost
    Patent number: 7457092
    Abstract: A circuit and method for controlling a MOSFET based switch that includes two back-to-back FET to block current flow in the OFF state irrespective of the polarity of the voltage differential across the switch. The MOSFET based switch further has a built-in current limit function by sensing the current flow through one of the two MOSFET switches. Furthermore, the bilateral current-limited switch further includes circuitry required for controlling both P type and N type FET in either common drain or common source configuration.
    Type: Grant
    Filed: December 7, 2005
    Date of Patent: November 25, 2008
    Assignee: Alpha & Omega Semiconductor, LLD.
    Inventors: Allen Chang, Zhinan Wei