Samsung Electronics Co., Ltd.

Samsung Sdi Co., Inc.

Haneul Kim

Sangik Cho

Jehyung Yoon

Dam Yun

Dongwoo Baek

Jin-Hee Bae

Jinwoo Seo

Kunbae Noh

Kyongpil Jin

Taeksoo Kwak

Yoong Hee Na

Junyoung Jang

Huichan Yun

Jingyo Kim

Byeonggyu Hwang

Woo Han Kim

Eunseon Lee

A battery protection circuit device includes a first voltage distribution circuit that connects to positive and negative charger terminals, and configured to distribute a charging voltage of the charger; a first FET that connects between a battery and the positive terminal to receive a charging current from the charger and supply the charging current to the battery, the first FET being connected to a first node of the first voltage distribution circuit, and controlled based on a magnitude of the charging voltage; a second voltage distribution circuit that connects to the positive and negative terminals, and configured to distribute the charging voltage; and a second FET that electrically connects to the positive terminal of the charger, the second FET being electrically connected to the first node of the first voltage distribution circuit and a second node of the second voltage distribution circuit, and turned on or off based on the magnitude of the charging voltage of the charger.

Circuit device for protecting battery

A voltage converter includes a converting circuit having an inductor connected to a switching node, a first switch element connected between the switching node and a ground voltage, and a second switch element connected between the switching node and an output node; and a switching control circuit configured to adjust a feedback voltage divided from an output voltage of the output node based on a current state of the inductor, and configured to generate switching control signals for charging the inductor with an input voltage and discharging a voltage charged in the inductor, based on a sensing signal based on a current of the inductor and the adjusted feedback voltage.

Voltage converter and power management device including the same

Voltage converter with feedback adjustment and power management device including the same

A composition for forming a silica layer includes a silicon-containing polymer and a mixed solvent including at least two solvents, wherein the mixed solvent has a surface tension of about 5 mN/m to about 35 mN/m at a temperature of about 25&#xb0; C.

Composition for forming silica layer, method for manufacturing silica layer and silica layer

Growing community of inventors

Suwon-si, South Korea

Haneul Kim