Lsis Co., Ltd.

Hong Tae Park

Woo Sup Kim

Young Min Kim

Chul Woo Park

Jae Hoon Jang

Byung Woon Jang

Yong Jin Kang

A power conversion device for charging first and second batteries is provided. The power conversion device includes an input unit, a first power conversion unit, a second power conversion unit, a third power conversion unit, and a switching unit connecting the first power conversion unit to the second power conversion unit in the first operation mode according to a control signal supplied from the outside, the switching unit connecting the second power conversion unit to the third power conversion unit in the second operation mode according to the control signal supplied from the outside.

Power conversion device

A driving device of a synchronous rectification apparatus is provided. The driving device includes a voltage detection part disposed on a power input terminal to detect a voltage value of a power inputted through the power input terminal, an adjustment part receiving the voltage value detected through the voltage detection part, the adjustment part adjusting the receive voltage value to output the adjusted voltage value, and a comparison part receiving the voltage value adjusted through the adjustment part into a positive terminal and a synchronous rectification starting value into a negative terminal, the comparison part outputting an command value of the synchronous rectification apparatus, which is obtained by comparing the received voltage value with the synchronous rectification starting value.

Driving device of synchronous rectification apparatus

A battery information display apparatus is provided. The battery information display apparatus includes a data storage unit storing battery capacity information according to temperature and current of a battery of an electric vehicle, an integrated power control unit providing power for charging the battery and driving a motor, a sensor measuring the temperature and current of the battery, and a display unit displaying a battery remnant. The integrated power control unit calculates the battery remnant from the battery temperature and current measured by the sensor on the basis of the battery capacity information according to the battery temperature and current stored in the data storage unit and provides the calculated battery remnant to the display unit.

Growing community of inventors

Cheongju-si, South Korea

Hong Tae Park