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:
Aug. 17, 2021
Filed:
Dec. 03, 2019
Nuvoton Technology Corporation, Hsinchu Science Park, TW;
Cheng-Chih Wang, Jhubei, TW;
Chih-Ping Lu, Hsinchu, TW;
NUVOTON TECHNOLOGY CORPORATION, Hsinchu Science Park, TW;
Abstract
A driving protection circuit is coupled to a load via an input/output pin. A signal generator circuit is configured to generate a driving signal. An input/output circuit transmits the driving signal to the input/output pin according to an enable signal. A counter circuit adjusts the count value when the enable signal is at a predetermined level. A detection circuit detects the voltage level of the input/output pin to generate a detection signal. When the count value is equal to a predetermined value, a control circuit determines whether the level of the detection signal is the same as the level of the driving signal. When the level of the detection signal is not the same as the level of the driving signal, the control circuit sends an error signal to turn off power to the load.