Power management system, electronic device and PMU (power management unit) chip

A power management system and power management chip technology, applied in the electronic field, can solve the problem that the PMU unit is not compatible with multi-generation CPU platforms

Active Publication Date: 2015-06-10
LENOVO (BEIJING) CO LTD
View PDF5 Cites 3 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The embodiment of the present application provides a power management system, electronic equipment, and a PMU chip to solve the problem in the prior art that when the PMU unit adopts a PMU chip integrated with a CPU power management chip, the PMU unit cannot be compatible with multiple generations of CPU platforms. In order to solve the technical...

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Power management system, electronic device and PMU (power management unit) chip
  • Power management system, electronic device and PMU (power management unit) chip
  • Power management system, electronic device and PMU (power management unit) chip

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0104] Please refer to figure 2 , the embodiment of the present application provides a power management system, which is applied to a portable electronic device such as a notebook computer, a tablet computer, etc., the electronic device is equipped with a power adapter 100, and the electronic device includes a battery, which can be specifically For a rechargeable battery, the system includes:

[0105] A charging management chip 101, the model of which can be MAX1645B, MAX1908, etc., which can be connected to the power adapter 100;

[0106] A CPU power management chip 102, the type of which can be ADP3198, ADP3188, etc., connected to the charging management chip 101;

[0107] A PMU chip 103, connected to the charging management chip 101;

[0108] Wherein, when the power adapter 100 is connected to the electronic device, the charging management chip 101 converts the first output voltage output by the power adapter 100 into a second output voltage different from the first outp...

Embodiment 2

[0152] Still please refer to figure 2 , the embodiment of the present application provides an electronic device, which may specifically be a portable electronic device such as a notebook computer, including:

[0153] The power management system in Embodiment 1;

[0154] The CPU 105 is connected to the CPU power management chip 102 in the power management system powered by the charging management chip 101 in the power management system;

[0155] At least one power consumption device 106 other than the CPU 105 is connected to the PMU chip 103 powered by the charge management chip 101 in the power management system.

[0156] Further, in order to supply power to the electronic device without an external power supply, the electronic device further includes: a battery 104 connected to the charging management chip 101 .

[0157] In the specific implementation process, in order to realize the control and management of the power management system and make the power management system...

Embodiment 3

[0162] Still please refer to image 3 The embodiment of the present application provides a PMU chip 103, which is applied to the power management system in Embodiment 1 and the electronic device described in Embodiment 2. The PMU chip 103 includes:

[0163] N power supply modules (301-310) and a bus control module 311;

[0164] Wherein, the bus control module is connected to N-1 power supply modules in the N power supply modules, and the bus control module sends a control signal to the N-1 power supply modules, so that the N-1 power supply modules The power module performs a power management operation based on the control signal, and the PMU chip receives the second output voltage output by the charging management chip in the power management system through the N power modules, and converts the second output voltage into N-1 fourth output voltages different from the second output voltage are used to supply power to other power consumption devices in the electronic device exce...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

No PUM Login to view more

Abstract

The application discloses a power management system, an electronic device and a PMU (power management unit) chip and aims to solve the technical problem that a PMU unit cannot be compatible with multiple generations of CPU (central processing unit) platforms. The system comprises a charge management chip, a CPU power management chip and a PMU chip, wherein the charge management chip is connected with a power adapter; the CPU power management chip and the PMU chip are connected with the charge management chip; the charge management chip is used for converting first output voltage output by the power adapter to second output voltage and outputting the second output voltage to a battery of the electronic device, the CPU management chip and the PMU chip, and the CPU power management chip is used for converting the second output voltage into third output voltage and outputting to a CPU of the electronic device; the PMU chip is used for converting second output voltage into N-1 fourth output voltage to supply power to other power consumption devices except the CPU in the electronic device, wherein N is an integer which is not less than 2.

Description

technical field [0001] The present application relates to the field of electronic technology, in particular to a power management system, electronic equipment and a PMU chip. Background technique [0002] With the rapid development of electronic technology, all kinds of electronic equipment are dazzling, and power supply is an important part of many electronic equipment. Effective power management can better reduce the energy consumption of components in electronic equipment when they are idle, and make electronic equipment more energy-saving. [0003] The power management unit PMU is an important link in the entire power management system of portable electronic devices. It integrates several types of traditional discrete power management devices into a single package, which can achieve higher power conversion efficiency and lower power consumption. , and fewer components to accommodate reduced board space. The basic components of the PMU-based power management solution inc...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
IPC IPC(8): G06F1/26
Inventor 王红亮
Owner LENOVO (BEIJING) CO LTD
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap