Input protection circuit for an analog optocoupler
US10425045B2 · kind B2 · utility
0Cited by
8References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 2015 |
| Grant date | Sep 24, 2019 |
| Priority date | — |
| Expiry date | Jun 25, 2035 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2200/444
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
An input protection circuit (110) for an optocoupler (20) is provided. The input protection circuit (110) includes a first voltage limiter (D1) with a first terminal that is electrically coupled to an input terminal of an amplifier circuit (120), wherein the input terminal of the amplifier circuit (120) is configured to receive a PWM signal and the amplifier circuit (120) is configured to provide a voltage to the optocoupler (20).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.