Abstract: A battery management apparatus includes a switching unit configured to control electrical connection with a battery module and a controller configured to measure a voltage of a battery cell included in the battery module and to control a driving current transferred from the battery module by controlling on/off of the switching unit when the voltage of the battery cell is measured.

Abstract: A battery management apparatus according to an embodiment disclosed herein includes a power source unit including a plurality of power sources, a measurement unit configured to measure a first voltage by applying a first power source among the plurality of power sources to a battery cell and to measure a second voltage by applying a second power source among the plurality of power sources to the battery cell, and a calculating unit configured to calculate a voltage of the battery cell based on the first voltage and the second voltage.

Abstract: Discussed is a battery production system that may include a tray configured to carry a battery, a plurality of collectors configured to perform wireless communication with the tray, and a server configured to track a position of the tray and whether or not an impact occurs in the tray based on information received from the plurality of collectors, in which the tray includes a measurement unit configured to sense an impact and a communication unit configured to perform wireless communication with the plurality of collectors. The measurement unit is further configured to reduce a measurement interval at a designated first rate upon sensing the impact, and the communication unit is configured to reduce an interval of the wireless communication with the plurality of collectors at a designated second rate upon sensing the impact.

Abstract: Discussed is a battery pack managing apparatus configured to manage a battery pack configured to be mountable to various applications so that the battery pack is efficiently managed for each application. The battery pack managing apparatus can manage a battery pack configured to include at least one secondary battery and supply power to an outside through a power supply path, and includes a switching module provided on the power supply path and configured to selectively turn on/off the power supply path, a communication module configured to communicate with a portable terminal and receive usage information of the battery pack from the portable terminal, and a processor configured to change a setting value of at least one of voltage, current and temperature preset for the battery pack based on the usage information received by the communication module and control the switching module according to the changed setting value.

Abstract: A battery pack for a vehicle, which allows smooth communication and power connection to the vehicle when mounted to an electric vehicle. The battery pack includes a vehicle controller, an auxiliary battery and a vehicle memory to supply a driving power to the motor, and also includes a battery cell; a power supply terminal; a power supply path; a switch; a memory reader configured to read charging information stored in the vehicle memory; and a processor configured to control the switch to supply a power from the battery cell to the auxiliary battery, based on the charging information of the auxiliary battery read by the memory reader.

Abstract: There are a power module and a distributed power supply apparatus having the same. The power module includes: a power factor correction stage switching input power to correct a power factor thereof; a DC/DC conversion stage switching the power of which the power factor has been corrected by the power factor correction stage to convert the power into preset DC power; a control unit controlling the power factor correction stage and the DC/DC conversion stage to perform a power conversion operation in a preset powered mode and stopping the power conversion operation of the DC/DC conversion stage in a preset idle mode; and a reference voltage supply unit supplying a preset reference voltage to the DC/DC conversion stage in the idle mode.

Abstract: There are provided a power module in which a bias voltage is varied and supplied to a control circuit controlling power conversion when an idle mode is switched to a normal mode, and a distributed power supply apparatus having the same. The power module includes: a power factor correction stage; a DC/DC conversion stage switching power to convert the power into pre-set DC power in a powering mode in which normal power is output; a standby stage converting the power into pre-set standby power in a cold standby mode in which the DC/DC conversion stage outputs power having a level lower than that of normal power; and a variable bias supply unit varying a voltage level of bias power for controlling DC/DC power conversion and supplying the same to the DC/DC conversion stage in the cold standby mode and the powering mode.

Abstract: There is provided a phase shift full bridge (PSFB) type power supply device controlling a switching on time of lagging leg switches according to a load state. The power supply device includes a power supply unit supplying preset DC power by switching input power using a full bridge by a phase shift method; and a control unit controlling a switching time of a switch of the full bridge according to a load state in which the DC power is received from the power supply unit.

Abstract: A power supply apparatus may include a main power supply unit including a transformer switching and transforming input power and converting the input power into main power having a preset magnitude to provide the main power to a main output terminal, a power transferring unit providing the main power to a standby power supply unit, and a standby power supply unit including an auxiliary winding coupled to the transformer, providing operating power to a first controller by the auxiliary winding and receiving the main power to provide the main power to a second controller and a standby output terminal when the main power supply unit is operated.

Abstract: There is provided a power supply apparatus supplying driving power. The power supply apparatus includes: a first power converter bypassing input power when a voltage level of the input power having a predetermined voltage level is within a reference voltage level range, and converting the input power to DC power having a preset voltage level when the voltage level of the input power is outside of the reference voltage level range; and a second power converter converting the power inputted from the first power converter to driving power having a preset voltage level.

Abstract: There is provided a phase shift full bridge (PSFB) type power supply device controlling a switching on time of lagging leg switches according to a load state. The power supply device includes a power supply unit supplying preset DC power by switching input power using a full bridge by a phase shift method; and a control unit controlling a switching time of a switch of the full bridge according to a load state in which the DC power is received from the power supply unit.

Abstract: There are provided a power module in which a bias voltage is varied and supplied to a control circuit controlling power conversion when an idle mode is switched to a normal mode, and a distributed power supply apparatus having the same. The power module includes: a power factor correction stage; a DC/DC conversion stage switching power to convert the power into pre-set DC power in a powering mode in which normal power is output; a standby stage converting the power into pre-set standby power in a cold standby mode in which the DC/DC conversion stage outputs power having a level lower than that of normal power; and a variable bias supply unit varying a voltage level of bias power for controlling DC/DC power conversion and supplying the same to the DC/DC conversion stage in the cold standby mode and the powering mode.

Abstract: There is provided a power supply apparatus supplying driving power. The power supply apparatus includes: a first power converter bypassing input power when a voltage level of the input power having a predetermined voltage level is within a reference voltage level range, and converting the input power to DC power having a preset voltage level when the voltage level of the input power is outside of the reference voltage level range; and a second power converter converting the power inputted from the first power converter to driving power having a preset voltage level.

Abstract: There is provided a soft start circuit including: a resonator generating a resonant voltage; a voltage detector detecting an output voltage of a power converter; a reference voltage selector selecting one of a voltage detected by the voltage detector and the resonant voltage as a reference voltage, based on a driving signal for turning the power converter on or off; and an error amplifier generating a control signal for controlling the output voltage of the power converter from the reference voltage selected by the reference voltage selector and the voltage detected by the voltage detector. The soft start circuit is capable of preventing semiconductor devices of the power converter from being burned out and preventing overshooting of the output voltage.