公开(公告)号：EP4362301A1

公开(公告)日：2024-05-01

申请号：EP23186079.2

申请日：2023-07-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： CHO, Sungkyu ,  YOON, Kyeseok ,  KIM, Dongjoon ,  LEE, Sungwoo ,  CHO, Daewoong ,  HEO, Jungwook

IPC: H02M1/00 ,  H02M3/158 ,  H02M1/14

CPC classification number: H02M1/0032 ,  H02M1/14 ,  H02M3/158 ,  H03K7/08 ,  H03K3/0231

Abstract: A voltage converter, including a switch circuit configured to generate an output voltage by switching an input voltage and a ground voltage based on a driving control signal; an error voltage generator configured to generate an error voltage based on a comparison between the output voltage and a reference voltage; a duty signal generator configured to generate a duty signal having a constant pulse frequency or a modulated pulse frequency, based on a result of the comparing; and a driving controller configured to generate the driving control signal based on the duty signal.

公开(公告)号：EP4358354A1

公开(公告)日：2024-04-24

申请号：EP23191701.4

申请日：2023-08-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： BAE, Junhan ,  KIM, Dongjoon ,  OH, Duseung ,  HEO, Woonhyung

IPC: H02J7/00

CPC classification number: H02J7/0036 ,  H02J7/00308 ,  H02J2207/3020200101

Abstract: An electronic device (100) including: a connector (110) including a voltage terminal (T_VBUS); a battery (180); a corruption detection circuit (130) configured to detect whether the connector (110) is corrupted; a voltage cutoff circuit (120) configured to electrically connect the voltage terminal (T_VBUS) with an internal node when corruption of the connector (110) is not detected by the corruption detection circuit (130) and to electrically disconnect the voltage terminal (T_VBUS) from the internal node when the corruption is detected by the corruption detection circuit (130); a charging pin (150) connected with the internal node, and configured to transfer a voltage of the internal node to an external device when the charging pin (150) is connected with the external device; and a power management integrated circuit (160) connected between the internal node and the battery (180), and configured to charge the battery (180) by using the voltage of the internal node or to generate the voltage of the internal node by using a voltage of the battery (180).