Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
PROTECTION CIRCUIT FOR A DRIVING CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2017/025026
Kind Code:
A1
Abstract:
The present invention refers to a driving circuit (1) comprising: - a voltage supply (5), - a plurality of load branches (2) coupled in parallel with each others, a load branch (2) comprising a load (3) coupled in series with a power circuit (9), a power circuit (9) being configured for providing a local regulation of the current in the associated load (3) and, - a bias circuit (6) for controlling the power circuit (9) of the load branches (2), wherein a protection circuit (19) is associated with each load branch (2), a protection circuit (19) comprising an input terminal (Pi) coupled between the load (3) and the power circuit (9) of the associated load branch (2) and an output terminal (Po) coupled to the bias circuit (6) wherein the protection circuit (19) is configured for blocking the power circuit (9) of the plurality of load branches (2) via its output terminal (Po) when a failure of the associated load (3) is detected on its input terminal (Pi).

Inventors:
XI YIYI (CN)
SHI SANBAO (CN)
Application Number:
PCT/CN2016/094317
Publication Date:
February 16, 2017
Filing Date:
August 10, 2016
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
VALEO EQUIP ELECTR MOTEUR (FR)
XI YIYI (CN)
International Classes:
H05B37/02
Foreign References:
CN102404917A2012-04-04
US20090167205A12009-07-02
CN104582124A2015-04-29
CN102474957A2012-05-23
US20130264955A12013-10-10
Attorney, Agent or Firm:
LIU, SHEN & ASSOCIATES (Building 110 Caihefang Road, Haidian District, Beijing 0, CN)
Download PDF: