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:
Jun. 30, 2026
Filed:
Aug. 21, 2024
Chroma Ate Inc., Taoyuan City, TW;
CHROMA ATE INC., Taoyuan City, TW;
Abstract
A constant power adaptive current limiting protection circuit includes a switching power supply circuit, a detecting circuit, and a controlling circuit. The switching power supply circuit has at least one power switch assembly and an output terminal. The detecting circuit is coupled to the output terminal of the switching power supply circuit to detect an output voltage and an output current of the power signal. The controlling circuit is coupled to the switching power supply circuit and the detecting circuit. The controlling circuit is configured to output the PWM signal, calculate a current limiting threshold based on a protection power and the output voltage, and selectively execute a protecting action based on comparison between the output current and the current limiting threshold. The protecting action is adjusting the PWM signal, so as to limit the output power of the switching power supply circuit to below the protection power.