Driving circuit of switch device

Details Driving circuit of switch device Driving circuit of switch device

2008-06-13

2011-11-22

Luu, An (Department: 2816)

Miscellaneous active electrical nonlinear devices, circuits, and

Signal converting, shaping, or generating

Current driver

C327S391000, C327S429000, C327S437000, C323S282000, C323S290000

Reexamination Certificate

active

08063671

ABSTRACT:
The present invention relates to a driving circuit of switch device. The present invention employs transformer isolated driving. The number of said transformers is two. The primary sides of the two transformers are connected to two driving modulators, respectively. The input terminal of a high frequency carrier signal and the input terminal of a driving signal are connected to the input terminal of a first driving modulator. The input terminal of a driving signal being connected with an inverter together with the input terminal of the high frequency carrier signal are connected to the input terminal of a second driving modulator. The first secondary side of the first transformer is connected to a power supply circuit which may provide a necessary voltage for turning on the switch device during a high level period of the driving signal. The first secondary side of a second transformer is connected to a voltage discharging circuit which may discharge a turn-on voltage of the switch device into a low level during a low level period of the driving signal. Therefore, the pair transistor amplification circuit in the existing transformer isolated driving becomes unnecessary, which provides a high driving power. In addition, employing no optical coupler isolated element makes the working life even longer.

REFERENCES:
patent: 4694206 (1987-09-01), Weinberg
patent: 5301085 (1994-04-01), Miettinen
patent: 5686854 (1997-11-01), Smith
patent: 6836161 (2004-12-01), Akiyama et al.
patent: 6970023 (2005-11-01), Fedigan
patent: 7-015949 (1995-01-01), None
patent: 200500617 (2005-01-01), None
International Search Report for PCT/CN2008/001148. ISA/CN, mailed Sep. 25, 2008.

Affiliated with

Also associated with

Rating

Driving circuit of switch device does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Driving circuit of switch device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Driving circuit of switch device will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-4258096