The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 17, 2015
Filed:
Nov. 09, 2012
Csmc Technologies Fab2 Co., Ltd., Jiangsu, CN;
Guoding Dai, Jiangsu, CN;
Yue Chen, Jiangsu, CN;
Xiaohui Ma, Jiangsu, CN;
Hui Han, Jiangsu, CN;
Renyue Ma, Jiangsu, CN;
CSMC TECHNOLOGIES FAB2 CO., LTD., Jiangsu, CN;
Abstract
A high-voltage heavy-current drive circuit applied in a power factor corrector, comprising a current mirroring circuit (), a level shift circuit (), a high-voltage pre-modulation circuit (), a dead time control circuit () and a heavy-current output stage (); the heavy-current output stage adopts a Darlington output stage structure to increase the maximum operating frequency of the drive circuit. The stabilized breakdown voltage characteristic of a voltage stabilizing diode is utilized to ensure the drive circuit operating within a safe voltage range. Adding dead time control into the level shift circuit not only prevents the momentary heavy-current from a power supply to the ground during the level conversion process, but also reduces the static power consumption of the drive circuit.