USB control circuit utilizing a single configuration pin
US11003617B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2019 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Nov 14, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2213/0042
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
The invention discloses a control circuit applied to a Universal Serial Bus (USB) which includes a first channel configuration pin and a second channel configuration pin. The control circuit includes: a first transistor having a first control terminal; a first resistor group coupled to the first channel configuration pin and the first transistor; a first Schottky diode having a first end and a second end, the first end being coupled to the first control terminal; a second transistor having a second control terminal; a second resistor group coupled to the second channel configuration pin and the second transistor; and a second Schottky diode having a third end and a fourth end, the third end being coupled to the second control terminal, and the fourth end being coupled to the second end of the first Schottky diode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.