Output driver equipped with a sensing resistor for measuring...

Details Output driver equipped with a sensing resistor for measuring... Output driver equipped with a sensing resistor for measuring...

2002-07-22

2009-02-17

Lam, Tuan (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Gating

Utilizing three or more electrode solid-state device

C327S434000, C327S436000, C327S437000

Reexamination Certificate

active

07492211

ABSTRACT:
An electronic circuit has an output driver (DRV) for providing a driving signal (U0). The output driver has a transistor (T) with a first main terminal, a second main terminal and a control terminal coupled to receive a control signal (Vcntrl), a power supply terminal (VSS), an output terminal (OUT) for providing the driving signal (U0) that is coupled to the second main terminal, and a sensing resistor (Rm) coupled between the power supply terminal (VSS) and the first main terminal. The output driver (DRV) further has means for temporarily disabling the coupling between the control terminal and the control signal (Vcntrl) during a peak voltage across the sensing resistor (Rm). The means may have a circuit that has a unidirectional current behavior, such as a diode (D), in series with the control terminal of the transistor (T).

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