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Power management integrated circuit and method of operation thereof

An integrated circuit, power management technology, applied in the direction of battery circuit device, circuit device, load supply circuit, etc.

Pending Publication Date: 2021-12-10
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Unfortunately, however, DC-DC converters have a limited operating bandwidth

Method used

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  • Power management integrated circuit and method of operation thereof
  • Power management integrated circuit and method of operation thereof
  • Power management integrated circuit and method of operation thereof

Examples

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Embodiment Construction

[0018] Throughout the written description and drawings, the same reference numbers and labels are used to refer to the same or similar elements, components and features. In the following, embodiments of the inventive concept will be described in some additional detail with reference to the accompanying drawings.

[0019] figure 1 is a block diagram illustrating an electronic device 1000 including a power management integrated circuit (PMIC) 1100 according to an embodiment of the inventive concept.

[0020] refer to figure 1 , the electronic device 1000 may include a PMIC 1100 , an application processor (AP) 1200 , an input device 1300 , a display 1400 , a memory 1500 and a battery 1600 . In this regard, the electronic device 1000 may be included in a vehicle, a smart phone, a personal computer (PC), a tablet PC, a netbook, an e-reader, a personal digital assistant (PDA), a portable multimedia player (PMP), an MP3 player, Ultra Mobile PCs (UMPCs), Workstations, Laptops, Web ...

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PUM

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Abstract

A power management integrated circuit and a method of operation thereof are provided. The power management integrated circuit (PMIC) includes: a DC-DC converter configured to provide output power to a load; a controller configured to control switching of the DC-DC converter; and a sensing circuit including a capacitive element and configured to detect an output current flowing through a node between the DC-DC converter and the load.

Description

[0001] This application claims the priority of Korean Patent Application No. 10-2020-0069838 filed on June 9, 2020 and Korean Patent Application No. 10-2021-0054635 filed on April 27, 2021, said Korean Patent Application The entire subject matter of the application is hereby incorporated by reference. technical field [0002] The inventive concept relates generally to a power management integrated circuit (PMIC), and more particularly, to a PMIC including a detection circuit having a capacitive element capable of extending an operating bandwidth of the PMIC. Background technique [0003] PMICs have become important components in numerous consumer products such as smart phones, tablet personal computers (PCs), and the like. Such products, many of which are mobile or battery operated, require efficient power management. That is, minimizing power consumption and improving power efficiency are important aspects of PMICs in mobile devices. Switching regulators, such as pulse-wi...

Claims

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Application Information

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IPC IPC(8): H02M3/00H02M3/158H02M3/157H02J7/00
CPCH02M3/00H02M3/158H02M3/157H02J7/0063H02J2207/20H02M3/1582G05F1/56
Inventor 南炫硕孔正运裵俊炫李尚泳
Owner SAMSUNG ELECTRONICS CO LTD
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