Power switch with reverse current blocking capability
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United States of America Patent
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Jul 7, 2015
Grant Date -
Nov 14, 2013
app pub date -
Jul 11, 2013
filing date -
Jun 30, 2009
priority date (Note) -
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Abstract
A switching circuit controls the flow of current between its input and output in accordance with the state of a control signal applied to the circuit. When the control signal is in a first state and the voltage applied to the input is higher than the voltage at the output, the circuit provides a low resistance path between its input and output terminals thereby enabling current to flow from the input to the output. When the control signal is in the first state and the voltage at the output is higher than the voltage at the input, the circuit inhibits current flow from the output to the input. When the control signal is in a second state, the circuit is turned off thus inhibiting current flow between the input and the output.
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