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:
Sep. 15, 2020
Filed:
Dec. 01, 2017
Applicant:
Silergy Semiconductor Technology (Hangzhou) Ltd, Hangzhou, ZheJiang Province, CN;
Inventors:
Assignee:
Silergy Semiconductor Technology (Hangzhou) LTD, Hangzhou, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M 3/156 (2006.01); H03K 21/08 (2006.01); H03K 3/037 (2006.01); H03K 4/08 (2006.01);
U.S. Cl.
CPC ...
H03K 21/08 (2013.01); H02M 3/156 (2013.01); H03K 3/037 (2013.01); H03K 4/08 (2013.01);
Abstract
A clock dividing frequency circuit can include: a controlled current source configured to generate a driving current that varies with a dividing frequency control signal; a ramp signal generating circuit configured to generate a ramp signal having a slope that varies according to the driving current, where the ramp signal is reset according to pulses of a dividing frequency clock signal; and a dividing frequency pulse generating circuit configured to generate the dividing frequency clock signal by a dividing frequency operation according to the ramp signal and a system clock signal.