Electronic device and apparatus and method for power management of an electronic device
US10860081B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2013 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | Dec 16, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02D10/00
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
An electronic device, typically a microcontroller, which is divided into a multiplicity of power domains comprising one or more intelligent peripherals, is provided with an on-board power management module for switching power to one or more domains for pre-determined time periods and in a predetermined sequence. The values of the predetermined time periods and sequence may be pre-programmed by the design engineer or user of the device. In one example, power is switched to domains in a round robin fashion. An optional interrupt capability permits selective application of power to a dormant intelligent peripheral requesting it at the expense of others and based on a priority scheme. Consumption of current supplied to power domains may be monitored by a power watchdog or alternatively via a dedicated power monitor associated with each intelligent peripheral. The invention helps to reduce device power consumption without any associated reduction in processing performance.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.