Samsung Sdi Co., Inc.

Hyeoncheol Jeong

Gilchoun Yeom

Sanggu Lee

Youngjin Lee

Seunglim Choi

Woonseong Baek

Sejin Ji

Jaeseung Kim

Kyongpil Jin

Kwanil Oh

Woojoon Chung

Jongho Park

Ji-Hoon Kim

Junseop Kim

Jaewoo Kam

Buangho Park

Kyungrae Pyo

Sangkyou Kim

Taejong Lee

Provided is a battery pack charging system including a charging device configured to receive a first signal from a battery pack and determine a charge condition of the battery pack based on the first signal; a battery pack configured to generate the first signal based on a state of charge of the battery pack and transmit the first signal to the charging device; and a controller configured to receive a second signal from the charging device and transmit the second signal to the battery pack.

Battery pack charging system

A battery protection circuit includes: a voltage divider connected in parallel to an outer terminal, and configured to output a divided voltage; a controller configured to output an overvoltage determination signal based on the divided voltage that is input thereto; a logic portion configured to output a switching control signal based on the overvoltage determination signal and the divided voltage that are input thereto; and a switching portion configured to control a connection between a battery module and the outer terminal according to the switching control signal.

Battery protection circuit and battery apparatus including the same

Provided is a method of controlling a battery pack, and a battery pack controlled by the method. A battery pack includes a plurality of slave battery modules, each of the slave battery modules including a battery that includes at least one battery cell and a slave controller that is configured to control charge and discharge of the battery, a master battery module including a master controller that is configured to control the slave controller, and a communication cable having formed thereon a first port to which the master controller is connected and a plurality of second ports to which the slave controller is connected. The first port includes an identification terminal configured to output an identification signal which is an electrical signal corresponding to the number of the second ports. A method of controlling the battery pack is provided.

Battery pack and method for controlling battery pack

An embodiment provides a battery protection circuit, including: a detection circuit portion that outputs a wake-up signal when a voltage is input to an outer terminal, a controller that outputs a switching control signal when the wake-up signal is received from the detection circuit portion, and a switching portion that controls a connection of a battery module and the outer terminal according to the switching control signal.

The present disclosure provides a battery pack including: a plurality of battery cells; a protective circuit module arranged on a side of the plurality of battery cells and including at least one through-hole; an electrode tab inserted into the at least one through-hole and electrically connecting the plurality of battery cells to the protective circuit module; a temperature sensing unit arranged on the protective circuit module; and a heat transfer member connected to a portion of the electrode tab inserted into the at least one through-hole and to the temperature sensing unit and transferring heat from the electrode tab to the temperature sensing unit.

Battery pack

A voltage equalizer includes: first, second, and third junction terminals respectively connected to a positive electrode of a first battery module, a positive electrode of a second battery module, and negative electrodes of the first and second battery modules; an equalizer circuit connected between the first and second junction terminals, and the equalizer forming a current path between the first and second junction terminals; a first indicator having a first displaying state that changes according to a voltage difference between the first and second junction terminals; a first comparator for outputting a first output voltage according to an input voltage that is input in proportion to a voltage between the first and third junction terminals; and a second indicator having a second displaying state that changes according to the first output voltage of the first comparator.

Voltage equalizing device

A battery module system includes a master module and at least one slave module that are connected in series. An isolated communication is performed between the master module and the at least one slave module.

Battery module system

There is provided a power conversion apparatus including first to fifth nodes. The power conversion apparatus includes: an inverter including a first switch between the first and second nodes, a second switch between the first and third nodes, a third switch between the second and fourth nodes, and a fourth switch between the third and fourth nodes; a filter including an inductor connected between the second and fifth nodes and a capacitor connected between the fifth and third nodes; and a current sensor configured to sense resultant current, which is the sum of inductor current flowing in the inductor and output current, wherein the output current is output to a load connected between the third and fifth nodes.

Power conversion apparatus and uninterruptible power supply comprising same

A battery pack including at least one battery cell, a protective circuit module on a side of the at least one battery cell, and a case including the protective circuit module and the at least one battery cell. The protective circuit module includes a battery management system, an inverter, and an output terminal to supply power for driving a motor.

A battery pack including a battery, a sensor, a controller, and a self-discharge circuit. The battery includes at least one battery cell connected between a pair of external terminals. The at least one battery cell is used for an engine-start attempt. The sensor detects a temperature of the battery. The controller compares the temperature of the battery with a reference temperature value and outputs a self-discharge signal when the temperature of the battery is lower than the reference temperature value. The self-discharge circuit is connected between the pair of external terminals in parallel with the battery and performs self-discharge the battery based on the self-discharge signal.

Battery pack with temperature sensing unit

A battery module including: a plurality of battery packs each having a plurality of battery banks; a first wire that connects the plurality of battery packs in parallel; and a second wire that connects battery banks of the different battery packs in parallel. A natural balancing operation may be implemented without a complicated circuit configuration.

Growing community of inventors

Yongin-si, South Korea

Hyeoncheol Jeong