Current sense amplifier
US12081182B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 26, 2022 |
| Grant date | Sep 3, 2024 |
| Priority date | — |
| Expiry date | Mar 9, 2043 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03F2203/45138
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A current sense amplifier includes a first amplifier stage, a second amplifier stage, a switch, and a common-mode transient detector. The first amplifier stage has a first amplifier output, a second amplifier output, a first amplifier input, and a second amplifier input. The second amplifier stage has a third amplifier input coupled to the first amplifier output, and a fourth amplifier input coupled to the second amplifier output. The switch has a switch control input, a first switch terminal coupled to the third amplifier input, and a second switch terminal coupled to the fourth amplifier input. The common-mode transient detector circuit has a detector output, a first detector input and a second detector input. The detector output is coupled to the switch control input. The first detector input is coupled to the first amplifier input. The second detector input is coupled to the second amplifier input.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.