Device for Measuring a Load Current
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United States of America Patent
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Issued Date -
Jun 4, 2009
app pub date -
Dec 4, 2008
filing date -
Dec 4, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A device for measuring a load current in a load circuit that has a switch that switches the load current. The switch has a control variable as a first switch variable and an output variable, which is dependent on the control variable, as a second switch variable. A setting unit keeps one of the switch variables constant at a predetermined value, and an evaluation unit determines the load current from the other switch variable. It is thus possible to dispense with an additional measuring element for measuring the load current, thus keeping the power loss low.
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