Semiconductor device

Details Semiconductor device Semiconductor device

2006-05-23

2006-05-23

Zweizig, Jeffrey (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S374000

Reexamination Certificate

active

07049862

ABSTRACT:
A semiconductor device includes a power device, and a driver which drives the power device. The driver includes a capacitor which is charged or discharged in correspondence to an external control signal, a first comparator which compares a voltage of the capacitor with a first reference voltage, and outputs a first signal based on a result of the comparison, a drive controller which outputs a drive signal in correspondence to the first signal to the power device; and a capacitor charger which detects the voltage of the capacitor, and supplies a current to the capacitor to charge the capacitor when the voltage of the capacitor is increasing within a given range.

REFERENCES:
patent: 6535405 (2003-03-01), Chen
patent: 6720819 (2004-04-01), Yamamoto
patent: 6774682 (2004-08-01), Theobald et al.
patent: 5-276000 (1993-10-01), None
patent: 2002-300019 (2002-10-01), None

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