Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
SWITCHING CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2020/098615
Kind Code:
A1
Abstract:
Embodiments of the present invention provide a switching circuit. The circuit comprises: a charging sub-circuit, which has a first input end and an output end; a switching sub-circuit, which has a first end, a second end, and a control end, wherein the control end of the switching sub-circuit is connected to the output end of the charging sub-circuit; and a function sub-circuit, which is connected to the first end or the second end of the switching sub-circuit, and has a first node, wherein an operating voltage of the first node is higher than an input voltage of an input power supply, the switching sub-circuit comprises one or more NMOS switches, and the first input end of the charging sub-circuit is connected to the first node.

Inventors:
GONG TIANXUN (CN)
LIANG JINTAO (CN)
YVON SYLVAIN (FR)
YUAN PEILIANG (CN)
FANG SHANGYE (CN)
ZHANG ZHENYU (CN)
Application Number:
PCT/CN2019/117276
Publication Date:
May 22, 2020
Filing Date:
November 12, 2019
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
FOSHAN ICHIKOH VALEO AUTO LIGHTING SYSTEMS CO LTD (CN)
International Classes:
H03K17/567
Foreign References:
CN103633826A2014-03-12
CN104079276A2014-10-01
CN107612531A2018-01-19
US20150372678A12015-12-24
Other References:
See also references of EP 3883132A4
Download PDF: