Abstract: According to an embodiment of the present disclosure, a method for controlling a battery system by a battery management system may comprise: performing a procedure for switching a state of at least one battery pack to a sleep mode which is a low power state, in response to no request for use of the battery system having been received from an upper system for a predetermined period of time; exiting the procedure for switching to the sleep mode, in response to a request for activating the battery system that is received from the upper system during performing a plurality of operations included in the procedure for switching to the sleep mode; and switching the state of the at least one battery pack to a normal state.

Abstract: A system for communication between BMSs of a battery pack including a plurality of BMSs connected to a parallel communication network, and a plurality of slave BMSs allocated with different communication identifiers, each having a variable field; and a master BMS for allocating a communication identifier to each of the plurality of slave BMSs through the parallel communication network, changing a priority determination value allocated to the variable field according to a predetermined condition, and performing communication with the plurality of slave BMSs based on the communication identifier.

Abstract: A non-volatile memory updating apparatus updates an application code stored in a non-volatile memory and includes a volatile memory storing the application code; and a central processing unit recording the application code recorded in the volatile memory and a booting indicator indicating booting information of the application code in the non-volatile memory.

Abstract: A battery pack in accordance with an exemplary embodiment, which is booted when coupled to an external apparatus, includes: a connector which is a member configured to connect the external apparatus and the battery pack; and a booting circuit configured to start operation of the battery pack when the battery pack and the external apparatus are coupled. The connector includes: a (+) output terminal connected to a (+) output terminal of the battery pack; a coupling check terminal configured to check whether the external apparatus and the battery pack are coupled; a data transceiving terminal configured to tranceive data between the external apparatus and the battery pack; and a (?) output terminal connected to a (?) output terminal of the battery pack.

Abstract: The present invention relates to a temperature condition diagnosis system and method for diagnosing a temperature abnormal state of a battery cell or module according to a relative temperature change of the battery cell using a difference in cell or module surface temperature compared to a battery management system (BMS) temperature sensor.

Abstract: The present invention relates to a battery cell surface temperature estimation system and method capable of minimizing a temperature measurement delay through a software algorithm method that estimates the actual cell surface temperature by reflecting the gradient of the measured temperature change of the battery cell

Abstract: Provided is a battery pack and a power system including the same. The battery pack includes a battery module having a positive electrode terminal and a negative electrode terminal, a first connector having a first power terminal connected to the positive electrode terminal, a second power terminal connected to the negative electrode terminal and a first auxiliary terminal, a first resistor having a first end electrically connected to ground and a second end electrically connected to the first auxiliary terminal, a switching unit installed between the negative electrode terminal and the second power terminal, and a control unit. The control unit is configured to operate in any one of a wakeup state and a sleep state according to a voltage of the first resistor.

Abstract: A battery pack including a communication terminal insulation function with an external system connected to the battery pack and a control method thereof.

Abstract: A battery pack, which includes: a battery module having a positive electrode terminal and a negative electrode terminal; a first power connector having a first power terminal connected to the positive electrode terminal, a second power terminal connected to the negative electrode terminal and a first auxiliary terminal, the first power connector being configured to be coupled to or separated from a second power connector that is included in an external device; a control unit to determine whether the first power connector and the second power connector are coupled; a first communication connector to input or output a communication signal between the external device and the control unit; and a communication switching unit installed between the control unit and the first communication connector, the control unit turns on or off the communication switching unit in response to the determination result.

Abstract: Provided is a battery pack and a power system including the same. The battery pack includes a battery module having a positive electrode terminal and a negative electrode terminal, a first connector having a first power terminal connected to the positive electrode terminal, a second power terminal connected to the negative electrode terminal and a first auxiliary terminal, a first resistor having a first end electrically connected to ground and a second end electrically connected to the first auxiliary terminal, a switching unit installed between the negative electrode terminal and the second power terminal, and a control unit. The control unit is configured to operate in any one of a wakeup state and a sleep state according to a voltage of the first resistor.

Abstract: A system for communication between BMSs of a battery pack including a plurality of BMSs connected to a parallel communication network, and a plurality of slave BMSs allocated with different communication identifiers, each having a variable field; and a master BMS for allocating a communication identifier to each of the plurality of slave BMSs through the parallel communication network, changing a priority determination value allocated to the variable field according to a predetermined condition, and performing communication with the plurality of slave BMSs based on the communication identifier.

Abstract: A non-volatile memory updating apparatus updates an application code stored in a non-volatile memory and includes a volatile memory storing the application code; and a central processing unit recording the application code recorded in the volatile memory and a booting indicator indicating booting information of the application code in the non-volatile memory.

Abstract: The present invention relates to an apparatus and method for providing a charging voltage, and more particularly, to an apparatus and method for providing a charging voltage, which rapidly provide a stable charging voltage to a corresponding cell through a cell balancing voltage source that is one of two separate charging voltage sources, when cell balancing is necessary.

Abstract: The present disclosure relates to a method and system for stabilizing a battery through cell balancing of a battery pack, and more particularly, to a method and system for performing battery cell balancing and determining a control situation through a feedback for the cell balancing, thereby improving reliability for the battery cell balancing and enabling a proactive measure for a battery abnormality.

Abstract: The present invention relates to a battery pack charging control device that wakes up a micro control unit (MCU) in operation in a sleep mode, while a battery pack is in a constant voltage charged state, the battery pack charging control device including an analog front end (AFE) for changing before the MCU operates in the sleep mode, an over-voltage protection level value to a higher value than a current value, generating an over-voltage trip signal and delivering the over-voltage trip signal to the MCU in operation in the sleep mode to control to wake up the MCU in operation in the sleep mode, when an increased voltage value of the battery pack due to connection of an external charger is equal to or greater than the changed over-voltage protection level value.

Abstract: A battery pack in accordance with an exemplary embodiment, which is booted when coupled to an external apparatus, includes: a connector which is a member configured to connect the external apparatus and the battery pack; and a booting circuit configured to start operation of the battery pack when the battery pack and the external apparatus are coupled. The connector includes: a (+) output terminal connected to a (+) output terminal of the battery pack; a coupling check terminal configured to check whether the external apparatus and the battery pack are coupled; a data transceiving terminal configured to tranceive data between the external apparatus and the battery pack; and a (?) output terminal connected to a (?) output terminal of the battery pack.

Abstract: A battery pack, which includes: a battery module having a positive electrode terminal and a negative electrode terminal; a first power connector having a first power terminal connected to the positive electrode terminal, a second power terminal connected to the negative electrode terminal and a first auxiliary terminal, the first power connector being configured to be coupled to or separated from a second power connector that is included in an external device; a control unit to determine whether the first power connector and the second power connector are coupled; a first communication connector to input or output a communication signal between the external device and the control unit; and a communication switching unit installed between the control unit and the first communication connector, the control unit turns on or off the communication switching unit in response to the determination result.

Abstract: The present invention relates to a cell balancing system and method, and more particularly, to a cell balancing system and method capable of supplying a charging voltage through two separately configured charging voltage sources and stably performing cell balancing by supplying a proper charging voltage to a corresponding cell through an individually configured switch in each cell, when the cell balancing is necessary.

Abstract: A battery pack including a communication terminal insulation function with an external system connected to the battery pack and a control method thereof.

Abstract: A battery pack including: a battery cell assembly in which a plurality of chargeable and dischargeable battery cells are stacked; and a pair of cooling members configured to eliminate heat generated during charging and discharging of the battery cells, wherein the cooling members may include first and second cooling members positioned on first and second surfaces of the battery cell assembly perpendicular to a direction in which the battery cells are stacked, and an inner surface of each of the first cooling member and the second cooling member may be formed with a thermal contact portion with a shape of being in close contact with an outer surface of each of the first and second surfaces of the battery cell assembly for thermal conduction, is provided.