Invention Publication
- Patent Title: ELECTRONIC DEVICE INCLUDING POWER SUPPLY CIRCUIT
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Application No.: US17992291Application Date: 2022-11-22
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Publication No.: US20230142785A1Publication Date: 2023-05-11
- Inventor: Hangseok CHOI , Sangwoo KANG
- Applicant: SAMSUNG ELECTRONICS CO., LTD.
- Applicant Address: KR Suwon-si
- Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee: SAMSUNG ELECTRONICS CO., LTD.
- Current Assignee Address: KR Suwon-si
- Priority: KR 20210151419 2021.11.05 KR 20210178745 2021.12.14
- Main IPC: G09G3/3225
- IPC: G09G3/3225

Abstract:
An electronic device including a power supply circuit according to the disclosure may include: a battery; a display module including a display panel; a regulator; a power supply circuit configured to: based on an input voltage of the battery, provide a first voltage and a second voltage to the display module, and provide a third voltage to the regulator; and a switch control circuit configured to: control a switching operation of the power supply circuit, wherein the power supply circuit includes: a first power circuit and a second power circuit, wherein the first power circuit includes multiple switch elements, a first capacitor, a second capacitor, a third capacitor, and a first inductor, and is configured to: for a first time interval, based on a drive signal of the switch control circuit, charge the first capacitor and the second capacitor, based on a current of the first inductor and discharge the third capacitor to provide a first output current to the display module, and for a second time interval, based on a drive signal of the switch control circuit, charge the third capacitor and discharge the first capacitor and the second capacitor to provide the first output current and a second output current to the display module, and wherein the second power circuit is configured to: convert a voltage level of the input voltage of the battery to provide a second voltage to the display module.
Public/Granted literature
- US11893931B2 Electronic device including power supply circuit Public/Granted day:2024-02-06
Information query
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