Variable impedance switching control
A system and method for controlling current-range switching to limit glitching includes a sense array connected between an input and a load. The sense array includes a parallel first and second branch circuits. The first branch circuit includes at least one first transistor, a first sense resistor,...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | A system and method for controlling current-range switching to limit glitching includes a sense array connected between an input and a load. The sense array includes a parallel first and second branch circuits. The first branch circuit includes at least one first transistor, a first sense resistor, and a variable impedance control circuit. The variable impedance control circuit is configured to receive a control signal and generate a gate voltage of the at least one first transistor to establish an impedance of the sense array between the input and the load that is proportional to the control signal, including controlling the gate voltage of the at least one first transistor such that an impedance of the sense array transitions from a first value to a second value when connecting or disconnecting the first branch circuit between the input and the load while the input is connected to the load through the second branch circuit. |
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