Power supply switch circuit and operating method thereof
US12401324B2 · kind B2 · utility
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2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 2022 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | May 11, 2044 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D30/70
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A power supply switch circuit includes: a first switch to switch supply of a first power supply voltage to a power supply terminal of a power amplifier; a control voltage generator to generate a first control voltage through a charge pump operation, and to control the charge pump operation by comparing the first power supply voltage to a first voltage, which is a voltage of the power supply terminal; and a switch controller to generate a switching driving signal to control the first switch using the first control voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.