公开(公告)号：US20230396142A1

公开(公告)日：2023-12-07

申请号：US18206280

申请日：2023-06-06

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Minyong JUNG ,  Bongtae MIN ,  Hyoungseok OH ,  Wookwan LEE ,  Jinsoo LEE ,  Heungjun JEON

IPC: H02M1/00

CPC classification number: H02M1/0009 ,  H02M1/0025

Abstract: A device including a first switching converter configured to generate a negative supply voltage based on an input voltage; a load current sensor configured to sense a magnitude of a load current passing through a load to which the negative supply voltage is provided; and a first input current detector configured to detect a magnitude of a first input current provided to the first switching converter based on a duty cycle of the first switching converter and the magnitude of the load current.

公开(公告)号：US20250167669A1

公开(公告)日：2025-05-22

申请号：US19024988

申请日：2025-01-16

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Chiun-He LIN ,  Minyong JUNG ,  Chen TSOU

IPC: H02M1/38 ,  H02M1/00 ,  H02M7/219

Abstract: Provided is an electronic device including an inductor configured to be charged, a distribution circuit configured to charge the inductor for a first period, provide a first output voltage to outside through a first output terminal, based on the charged inductor, charge the inductor for a second period, and provide a second output voltage to the outside through a second output terminal, based on the charged inductor, and a timing controller configured to alternately provide the first output voltage and the second output voltage in the first period and the second period and provide a control signal to the distribution circuit such that at least some of a plurality of first periods are consecutive.

公开(公告)号：US20240380323A1

公开(公告)日：2024-11-14

申请号：US18540325

申请日：2023-12-14

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyungju PARK ,  Minwoo KIM ,  Minyong JUNG

IPC: H02M3/158

Abstract: Disclosed is a DC-DC converter which includes a voltage converter configured to receive an input voltage through an input node, to convert the input voltage into an output voltage, and to output the output voltage to an output node, and a controller configured to select at least one conversion manner among a plurality of conversion manners based on a first ratio of a charging period of one cycle, to charge internal elements in the at least one conversion manner during the charging period of the one cycle, and to control the voltage converter to discharge the internal elements in the at least one conversion manner during a discharging period of the one cycle.