DC-DC converter for a low voltage power source
US11025166B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 30, 2019 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Jan 6, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K3/0315
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a DC-DC converter (1) for a power source (2) generating extremely low voltage, the converter (1) operating in discontinuous mode, wherein the converter (1) comprises a self-oscillating charge pump (3a) having an array of interconnected ring oscillators (RO1-RON) for successively stepping up an input voltage (Vin) so as to result in the accumulated voltage (XN) at the last ring oscillator (RON), an amplifier (3b) and a pulse signal generator (3c) that generates a pulse signal that actuates a switch (11) so that the stepped-up, output voltage may be provided via a diode (12). The invention further relates to a method for actuating the DC-DC converter (1) for a power source (2) generating extremely low voltage.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.