|| List of recent Battery Pack-related patents
| Mobile wireless communications device including a self-contained rechargeable battery pack with filter and related methods|
A mobile wireless communications device may include a portable device housing, wireless communications circuitry carried by the portable device housing, and a self-contained rechargeable battery pack carried by the portable housing for powering the wireless communications circuitry. The self-contained rechargeable battery pack may include a battery casing, at least one internal battery cell carried within the battery casing, internal battery circuitry carried within the battery casing, and at least one internal filter element carried within the battery casing and coupled to the internal battery circuitry..
| Battery module of improved safety and battery pack containing the same|
Disclosed is a battery pack including a battery module array constituted by one or more battery modules each including one or more unit modules each configured to have a structure in which a battery cell is surrounded by a cell cover are mounted in a module case in a state in which the unit modules are stacked while being vertically upright, a base plate on which the battery module array is loaded, a pair of end plates to support opposite sides of the array in a state in which a lower end of each of the end plates is fixed to the base plate, and an insulation member disposed between the array and each of the end plates, the insulation member being provided at a surface thereof facing the array with one or more ribs to absorb shock caused by external force and to define a coolant flow channel.. .
| Test and measurement device with a pistol-grip handle|
A clamp meter configured to receive a removable and rechargeable battery pack. The clamp meter includes a main body having a first axis, a handle, a clamp, a trigger, and a display.
| External adapter for battery pack used to power a portable device|
Embodiments include a rechargeable battery pack, system, and power adapter that allow the rechargeable battery pack to both power a host device though a set of host contacts and provide power, through the power adapter, via a set of charging contacts that interface with the power adapter. The power adapter contains a voltage source which activates a control circuit to disable a discharge protection circuit in the battery pack to allow current to discharge through the charging contacts..
|Electrolytic solution, non-aqueous secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus|
Where r2 is one of a hydrocarbon group, a halogenated hydrocarbon group, an oxygen-containing hydrocarbon group, a halogenated oxygen-containing hydrocarbon group, and a group obtained by bonding two or more thereof to one another; and x2 is a halogen group.. .
|Middle or large-sized battery pack assembly|
Disclosed herein is a battery pack including (a) a module assembly including two or more battery modules, each of which includes a chargeable and dischargeable battery cell, the battery modules being stacked to have a two layer structure including an upper layer and a lower layer while being in contact with each other in a lateral direction, (b) a first upper layer connection member and a second upper layer connection member mounted at the upper layer module assembly, (c) a first lower layer connection member and a second lower layer connection member mounted at the lower layer module assembly, (d) a pair of side support members, (e) insulation members mounted at interfaces between the sides of the upper and lower layer module assemblies and the side support members, and (f) a first lower end support member and a second lower end support member.. .
Accordingly, it is possible to reduce an assembly error of the battery pack by avoiding interference caused by the insulation member when the upper case is coupled to the bare cell.. .
|Battery pack and charger platform for power tool systems including battery pack identification scheme|
A battery pack and charger platform including a voltage coupling circuit comprising an input that receives an input voltage and an output that sends an output voltage, a voltage monitoring circuit having an input coupled to the voltage coupling circuit output and an output, and a power source having an input coupled to the voltage monitoring circuit output, the power source input receives an input voltage representative of a charge instruction.. .
|Integrated blood glucose measurement device|
A portable combination for measuring a glucose concentration value in a sample has a portable glucose meter (gm) having a test strip port for receiving a disposable electrochemical test strip, means for calculating a glucose concentration value in a sample applied to a test strip received in the test strip port, and optionally a rechargeable gm battery. Next the combination has a portable rechargeable supplemental battery pack (sbp).
|Exhaust pipe structure of hybrid vehicle|
An exhaust pipe structure for a hybrid vehicle includes an exhaust pipe, which includes bent portions and is connected to an internal combustion engine. The exhaust pipe includes a front-rear direction extended part, a catalytic part, and a joint part.
A battery pack, which can be easily combined with a set and can increase capacity, is disclosed. The battery pack includes a bare cell having electrode terminals protruding on a first surface, and a lower cover coupled to a second surface of the bare cell.
|Electrode assembly having excellent degree of freedom in shape thereof in thickness direction, secondary cell battery, battery pack, and device including electrode assembly|
There is provided an electrode assembly having increased degrees of structural freedom in the thickness direction thereof. The electrode assembly includes negative and positive electrodes alternately stacked with separators interposed therebetween, wherein the electrode assembly is formed by stacking n electrode stacks where n is a natural number equal to or greater than 2, each of the electrode stacks comprises electrodes having the same area and stacked with separators interposed therebetween, and neighboring electrode stacks of the electrode stacks have different electrode areas, wherein a first electrode stack of the electrode stacks is formed by stacking unit cells respectively including an odd number of electrodes, and the other electrode stacks stacked on the first electrode are formed by stacking unit cells respectively including an even number of electrodes..
|Middle or large-sized battery pack of novel air cooling structure|
A middle- or large-sized battery pack having two or more hexahedral battery modules, each including a plurality of chargeable and dischargeable plate-shaped unit cells, mounted in a pack case, wherein the battery pack removes heat generated during the charge and discharge of the unit cells using an air cooling method, the unit cells of each of the battery modules are vertically stacked such that the number of the unit cells corresponds to a height of a battery pack installation space defined in a vehicle while neighboring unit cells are spaced apart from each other such that a coolant channel is defined between the respective unit cells, the pack case is formed in a shape corresponding to the battery pack installation space in the vehicle, and a coolant for removing heat from the unit cells is introduced through at least one side of the pack case.. .
|Electric device having round corner|
Disclosed herein is an electric device having a curved structure formed at at least one position of an outside thereof, wherein at least one secondary battery having an external appearance corresponding to a shape of the curved structure is mounted at the position of the electric device at which the curved structure is formed and wherein the secondary battery is a battery cell having an electrode assembly including a cathode, an anode, and a separator disposed between the cathode and the anode mounted in a battery case or a battery pack having the battery cell mounted in a pack case.. .
A battery module includes a first end plate and a second end plate, each of the end plates including at least one flange; a plurality of battery units arranged along a first direction between the end plates; a first guide plate on a first side of the plurality of battery units, extending in the first direction and coupled to the flanges of the first and second end plates; and a second guide plate on a second side of the plurality of battery units opposite the first side, extending in the first direction and coupled to the flanges of the first and second end plates.. .
|Battery explosion-proof device and battery pack comprising the same|
A battery explosion-proof device battery explosion-proof device includes a valve body, a rupture plate, and a protecting cover. The valve body includes a base portion and a shaft portion connected with the base portion.
|Lithium secondary-battery pack, electronic device using same, charging system, and charging method|
A lithium secondary-battery pack of the present invention includes: a lithium secondary battery including an electrode body and a non-aqueous electrolyte, the electrode body including a positive electrode and a negative electrode facing each other, and a separator interposed therebetween; a ptc (positive temperature coefficient) element; and a protection circuit including a field-effect transistor, wherein the negative electrode includes a negative electrode material mixture layer containing a si-containing material as a negative electrode active material, and, where z represents an impedance (Ω) of the lithium secondary-battery pack and q represents a capacity (ah) of the lithium secondary-battery pack, an impedance capacity index represented by z/q is 0.055 Ω/ah or less.. .
A portable terminal includes: a casing; a circuit board; a display device; and a fixing portion which fixes the circuit board to the casing to allow the circuit board to move within a given range along a surface direction of the circuit board. The portable terminal further includes: a battery housing portion provided at a position in the casing located along a thickness direction of the circuit board; a battery pack housed in the battery housing portion through a battery opening provided in the casing; a board-side connecting portion provided at the circuit board; a battery-side connecting portion provided at the battery pack and connected to the board-side connecting portion; and a restraining member which restrains a movement of the battery pack with respect to the circuit board along a surface direction of the circuit board..
|Scalable intelligent power supply system and method|
A scalable intelligent power-supply system and method capable of powering a defined load for a specified period of time is disclosed and claimed. Multiple external ac and dc inputs supply power to the system if available and required.
|Hydrophilic polymer thermal barrier system|
A hydrophilic polymer thermal barrier system is described for preventing thermal runaway propagation from a faulted cell to an un-faulted cell in a battery pack. The thermal barrier system comprises a thermal barrier disposed between each of the battery cells and optionally between the battery cells and the battery pack housing.
|Nonaqueous electrolyte battery, battery pack and vehicle|
A nonaqueous electrolyte battery includes a negative electrode including a current collector and a negative electrode active material having a li ion insertion potential not lower than 0.4v (vs. Li/li+).
A battery pack includes a bare cell and a case portion accommodating the bare cell therein. The case portion includes a metal portion and an insulation portion covering at least one portion of the metal portion.
|Electrode, nonaqueous electrolyte battery and battery pack|
According to one embodiment, an electrode includes a current collector and an active material-including layer. The active material-including layer includes a first layer and a second layer.
|Cap cover and battery pack including the same|
A cap cover and a battery pack including the cap cover are provided. The cap cover includes: a first plate which is formed in a first direction; a second plate which is formed in a second direction; and a third plate which is formed in a third direction.
|Battery pack and method for manufacturing the same|
A battery pack includes a first battery and a second battery each having a bent part at one side; and an adhesion member interposed between the bent part of the first battery and the bent part of the second battery and adhering the bent part of the first battery to the bent part of the second battery.. .
A battery pack includes a plurality of battery cells; and a case, the case including a first case and a second case, the second case being combined with the first case to accommodate the battery cells therebetween. The case may include a combining unit and a separation prevention unit, the combining unit and the separation prevention unit being disposed in different locations in the case, the combining unit being configured to combine the first case and the second case with each other, and the separation prevention unit being configured to prevent separation of the combining unit..
|Battery pack assembly and electronic device having the same|
A battery pack assembly includes a battery pack and an attachable-detachable portion. The battery pack has a first magnetic portion.
A battery pack including an upper battery module including a plurality of upper battery cells arranged in one direction, the plurality of upper battery cells having upper terminal portions, an upper bus-bar electrically connecting the upper terminal portions, and an upper housing accommodating the plurality of upper battery cells therein; and a lower battery module including a plurality of lower battery cells arranged in the one direction, the plurality of lower battery cells having lower terminal portions, a lower bus-bar electrically connecting the lower terminal portions, and a lower housing accommodating the plurality of lower battery cells therein, wherein a space portion is formed at one end of any one of the upper and lower battery modules, and a controller is positioned in the space portion.. .
|Rechargeable battery pack|
A rechargeable battery pack configured to prevent a frame from being damaged due to external impact forces while insulating a protection circuit module from short circuit is described. In an exemplary embodiment, the rechargeable battery pack may include a plurality of unit cells made up of a rechargeable battery connected to a frame which accommodates and supports the unit cells and having a loading portion sandwiched between the unit cells.
A battery pack is disclosed. In one aspect the battery pack includes a battery cell including an electrode assembly and a pouch that seals the electrode assembly and a frame that accommodates the battery cell, wherein the frame comprises i) a main frame that surrounds the battery cell and ii) a rib that crosses the main frame.
A battery pack including a plurality of battery cells; a protective circuit module electrically connected to the plurality of battery cells, the protective circuit module being for establishing an electrical connection with an external electronic device; a case accommodating the plurality of battery cells and the protective circuit module, the case including a first case and a second case coupled to the first case; an adhesive sheet attached to at least a portion of an outer surface of the case, the adhesive sheet including a base sheet and a bubble prevention part on the base sheet; and a protective cover interposed between the protective circuit module and the adhesive sheet.. .
Provided is a battery pack. The battery pack includes; a first battery cell and a second battery cell; a protection circuit module (pcm) that is located between the first and second battery cells and is electrically connected to the first and second battery cells; a thermal sensor that is electrically connected to the pcm and measures a temperature of the first battery cell; and a frame that accommodates the first battery cell, the second battery cell, and the pcm, wherein the frame includes a seating unit on which the pcm is seated, and the seating unit comprises a hole for inserting the thermal sensor to fix a position of the thermal sensor.
|Battery pack assembly|
A battery pack assembly includes a battery cell; a first case including a first surface support contacting a first surface of the battery cell and a first lateral surface support bent from the first surface support toward a lateral surface of the battery cell; a second case including a second surface support contacting a second surface of the battery cell, and a second lateral surface support bent from the second surface support toward the lateral surface of the battery cell, wherein at least a part of an external surface of the second lateral surface support overlaps the first lateral surface support and an internal surface of the second lateral surface support contacts the lateral surface of the battery cell; and a hook portion having a through hole and protruding from the external surface of the second lateral surface support, wherein the hook portion is spaced from the second surface support.. .
|Protective monitoring circuit and battery pack|
A protective monitoring circuit includes a protective circuit to detect at least one of overcharging, overdischarging, and overcurrent of a chargeable secondary battery to control whether to turn on or off a control transistor to protect the secondary battery, and a secondary-battery monitoring circuit, having a reduced size and having a breakdown voltage lower than a battery voltage of the secondary battery, to detect a status of the secondary battery, wherein the protective circuit generates a voltage that is commensurate with an output voltage of the secondary battery and that is within a predetermined tolerance voltage range of the secondary-battery monitoring circuit, and the secondary-battery monitoring circuit generates a detection value responsive to the generated voltage supplied from the protective circuit, the detection value being indicative of the output voltage of the secondary battery.. .
|Contactless battery charger, electronic device, battery pack, and contactless charging system|
A contactless charging system is made up of an electronic device and a contactless charger 200 that recharges the electronic device in a contactless manner. The electronic device transmits a full charge command indicating completion of charge.
|Motor-driven appliance and battery pack|
A motor-driven appliance includes a battery; a motor including permanent magnets as field magnets; a momentary maximum current upper limit storage unit in which a predetermined momentary maximum current upper limit is stored; a current detection unit that detects a current flowing in the motor; a current threshold setting unit that generates a current threshold based on the momentary maximum current upper limit, and outputs the generated current threshold; a current exceedance determination unit that determines whether the current detected by the current detection unit has become equal to or greater than the current threshold, and outputs an interruption signal used to interrupt a current path from the battery to the motor when the detected current has become equal to or greater than the current threshold; and a current flow interruption unit that interrupts the current path when the interruption signal is outputted from the current exceedance determination unit.. .
|Electrically-heated wearable blanket with auto shut-off switch|
An electrically-heated wearable blanket with auto shut-off switch that includes a blanket portion disposed between a first edge, a second edge, a third edge, and a fourth edge, the blanket portion having a front surface and a back surface, wherein a person wearing the electrically-heated wearable blanket with auto shut-off switch is in operational communication with a boustrophedonic heating element disposed within the blanket portion by means of a control pad disposed on a first cord in circuit with the heating element, and a second cord releasably interconnects the heating element alternately among at least three external power sources including a rechargeable battery pack.. .
|Portable vaporization apparatus|
A portable vaporization apparatus is a is a compact re-useable apparatus that attaches to an existing electrical source, such as a battery pack of an existing electronic cigarette/personal vaporizer, in order to vaporize a plurality of dried solid compounds as well as liquid compounds with a low viscosity into an inhalable aerosol. The portable vaporization apparatus utilizes a mouth piece, a lower housing which contains an interior chamber, a battery mount, and a wickless ceramic heating element.
|Method to detect open-circuit voltage shift through optimization fitting of the anode electrode half-cell voltage curve|
Methods are disclosed for modeling changes in capacity and the state of charge vs. Open circuit voltage (soc-ocv) curve for a battery cell as it ages.
|Construction machine and battery pack thereof|
A construction machine is provided with management units (11, 12) configured to control the construction machine based on a plurality of limited power modes prescribed to control the output of a battery pack (18), and calculate an amount of electric power stored in the battery pack in each of the limited power modes based on specification information about the battery pack, on the state of charge of the battery pack, and on limited power and an operating voltage prescribed for each of the limited power modes; and a display device (14) configured to display the amount of electric power in each of the limited power modes based on the amount of electric power calculated by the management units. This allows the amount of electric power in the unselected limited power modes to be displayed and facilitates battery replacement work..
|Nonaqueous electrolyte battery and battery pack|
And have an average particle diameter of 0.1 to 10 μm. The coating material comprises at least particles having an average particle diameter of 60 nm or less or layers having an average thickness of 60 nm or less.
|Spacer for battery and battery pack including the same|
A battery pack includes a spacer. The spacer for the battery pack can be used by being cut according to the number of batteries received in the battery pack, and can thus be applied to multiple battery packs in which different numbers of batteries are received, and can be easily separated manually.
|Battery module assembly of improved reliability and battery pack employed with the same|
Disclosed herein is a battery module assembly including (a) two or more battery modules having cell units, each of which includes one or more battery cells, connected in parallel to one another, (b) a pair of an upper case and a lower case to surround an upper part and a lower part of the battery modules in a state in which the battery modules are erected on their sides, (c) a bus bar assembly disposed at a front of the battery modules to electrically connect the battery modules to one another in parallel, and (d) a fastening hole formed at a front of the upper case and/or a front of the lower case to position or fix the battery module assembly.. .
|Battery module assembly of improved reliability and battery pack employed with the same|
Disclosed herein is a battery module assembly including two or more battery modules having cell units, each of which includes one or more battery cells having insulating tape at least partially attached to an outer circumference thereof excluding electrode terminals thereof, electrically connected to one another, a pair of an upper case and a lower case to surround an upper part and a lower part of the battery modules in a state in which the battery modules are erected on their sides, a bus bar assembly disposed at a front of the battery modules to electrically connect the battery modules to one another, and fastening holes formed at a top of the upper case and a bottom of the lower case to position or fix the battery module assembly.. .
|Battery module assembly of improved reliability and battery pack employed with the same|
A battery module assembly having one or more plate-shaped cells, including two or more battery modules having cell units, each of which includes one or more battery cells, electrically connected to one another, a pair of an upper and lower case to surround outer circumferences of the modules such that one surface of each of the outermost modules is exposed outside in a state in which the modules are erected on their sides, one or more first fastening holes vertically formed at a top of the upper case and a bottom of the lower case in a direction in which first fastening holes face each other to fasten and fix the upper and lower case, and two or more second fastening holes horizontally formed at a front and/or a rear of the upper case and a front and/or a rear of the lower case to position or fix the assembly.. .
A battery pack includes a plurality of battery modules including at least a first group of the battery modules and a second group of the battery modules, a first coolant flow pathway through the battery modules of the first group and the second group, a second coolant flow pathway along an exterior of the battery modules of the first group, and a converging coolant flow pathway connected with the first coolant flow pathway, the converging coolant flow pathway being disposed downstream of the first group of the battery modules, the converging coolant flow pathway joining the second coolant flow pathway with the first coolant flow pathway.. .
|Battery pack exhaust nozzle|
A thermal management system is provided that minimizes the effects of thermal runaway within a battery pack. The system includes a sealed battery pack enclosure configured to hold a plurality of batteries and at least one exhaust nozzle assembly.
|Battery pack, method of welding tab of battery back, and battery pack control system|
An apparatus and method of welding a tab of a battery pack, is disclosed. Batteries are placed on a main body of a jig, having a wing unit attached to the jig.
A battery pack includes a magnesium ion rechargeable battery, allowing electrical charge and discharge regardless the type of the electrolyte, and improving the cycle characteristic and the electrical charge and discharge efficiency. The battery pack includes a storage case, a magnesium ion rechargeable battery which contains a positive terminal and a negative terminal, and a protection circuit which possesses an over-charge protection function and an over-discharge function.
A battery pack includes an electrode assembly, a lower case and an upper case. The electrode assembly has first and second electrode tabs.
Provided is a battery pack including: square-shaped unit batteries arranged side-by-side; a substrate for electrically connecting the unit batteries to each other; a metal layer formed on a first side of the substrate; and a protection circuit module that is electrically connected to the substrate, wherein the substrate comprises an area reduction portion of which an area is partially reduced, and the metal layer is formed to correspond to the area reduction portion.. .
Provided is a battery pack that includes: unit batteries disposed in parallel with each other and the unit batteries are prismatic type; a connecting substrate for electrically coupling the unit batteries; a plurality of tabs which extend from the connecting substrate, electrically connect the unit batteries and the connecting substrate, and are bent so that the connecting substrate is adjacently disposed to first surfaces of the unit batteries; a protection circuit module electrically connected with the connecting substrate; and a lead which extends from the protection circuit module, electrically connect the connecting substrate and the protection circuit module and are bent so that the protection circuit module is adjacently disposed to second surfaces of the unit batteries.. .
A battery pack is disclosed. In one aspect, the battery pack includes a plurality of battery cells electrically connected to each other and comprising first and second outermost battery cells positioned at opposite ends thereof and a case accommodating the battery cells.
|Flexible printed circuit as high voltage interconnect in battery modules|
A system and method for improving on conventional techniques for connecting energy storage elements of a high-voltage battery pack. A tuned flexible printed circuit individually coupled to each electrode of each cell of a matrix of cells of the battery pack provides improved manufacturability and reliability..
|Battery pack with integral seal member and electronic device including the same|
An electronic device employs a seal member to seal a battery pack to a housing member to prevent contaminants from entering into a battery bay. The electronic device includes a housing member having an exterior surface a portion of which defines a recess, an electronic assembly contained inside the housing member, and an battery pack received in the recess in the exterior surface of the housing member and electrically connected to the electronic assembly inside the housing member.
|Processing device for battery pack and processing method therefor|
A processing device for a battery pack including a plurality of batteries has a voltage detection section configured to detect the voltage of each of the batteries, a first processing section configured to perform first processing for discharging the battery pack, and a second processing section configured to perform second processing for individually charging the batteries. The second processing section is configured to suppress a voltage drop by performing the second processing on the battery of which the voltage value has been reduced to a first predetermined value during the discharging in the first processing..
|Apparatus for waking up multi-bms|
Disclosed is an apparatus for waking up a multi-bms of a battery pack. The apparatus for waking up a multi-bms of a battery pack according to the present disclosure transmits a wakeup signal outputted from a master bms to n slave bmss to wake up the n slave bmss managing each battery module in the battery pack, and an isolator is connected on a series line used to the wakeup signal, and turns on by the wakeup signal outputted from the master bms and enables n-1 transistors each connected on the series line to turn on.
|Battery pack and method for minimizing cell voltage deviations|
In one aspect, a battery pack and a method of minimizing voltage deviations between battery cells within the battery pack is disclosed. The battery pack comprises a plurality of battery racks where each of the battery racks in turn comprises a plurality of battery cells.
|Battery control system|
A method and a system for controlling the charging and discharging of one or more battery packs (8) connected to a power source (7) or an apparatus (9) driven by the battery packs. The battery pack (8) comprises a number of battery cells connected to two or more terminals for establishing an electrical connection with the power source or the apparatus.
|Battery-powered handheld vacuum device|
A battery-powered handheld vacuum device for use on building sites includes: a dust collection box; and a motor housing, in which a drive motor provided with a fan impeller and a battery pack for supplying current to the drive motor independently of an electrical network are provided. The dust collection box is fixed in place on the motor housing in releasable manner.
|Flexible fusible link, systems, and methods|
A fusible link includes a current collector element, a battery cell conductor pad, and at least one fusible conductor connecting the current collector element and the battery cell conductor pad. The current collector element can be a current collector conductor pad, a current collector conductor pad and a current collector plate, or a fuse sheet.
A battery pack for a vehicle may include a cell array defining an upper surface and a housing defining a raised portion extending along and above a length of the array such that the raised portion and upper surface define a vent manifold therebetween which may be configured to collect gases generated by the array. The housing may define a discharge opening configured to allow gases to exit the manifold.
|Rechargeable battery pack|
A rechargeable battery pack includes a plurality of battery cells, a connection tab electrically coupled to one or more terminals of the battery cells, a connection plate electrically coupled to the connection tab, and having an opening for accommodating a protruding portion of the connection tab, and a protective circuit module electrically coupled to the connection plate, and having a combination groove, wherein the connection plate is on a first surface of the protective circuit module to face the combination groove, and wherein the first surface of the protective circuit module faces the connection tab.. .
|Package and tray system for interchanging device components|
Some embodiments of the invention include a package and tray system for modularizing a set of component hardware devices of an electronic device. The system includes at least one package and a tray.
|Systems and methods for evaluating and controlling a battery system|
Systems and methods for estimating the relative capacity of individual battery subdivisions in a battery system are presented. In some embodiments, a system may include calculation system configured to analyze the electrical parameters to generate derivative values of the parameters over a period of time.
|Battery management system|
A battery management system includes detecting circuitry and control circuitry coupled to the detecting circuitry. The detecting circuitry detects cell voltages of battery cells of a battery pack.
|Battery pack and charging method thereof|
A charging method of a battery and a battery pack thereof are described. A fully charged amount of the battery cell is changed upon comparing the charge amount of the battery to a reference capacity.
|System and method for active charge and discharge current balancing in multiple parallel-connected battery packs|
Methods and systems are presented for charging and/or discharging multiple parallel-connected battery packs in portable electronic devices, in which a charging or discharging current of a second battery pack is regulated based at least in part on a charging or discharging current of a first battery pack.. .
|Semiconductor device and battery pack|
In a battery monitoring system included in a secondary battery, high-accuracy charge control is enabled at low cost. A semiconductor device includes: a drive unit which drives a transistor for controlling the charge current of a secondary battery and which is configured to be capable of selecting one of plural different voltages as a drive voltage (vgc) for turning on the transistor; and a data processing control unit which performs program processing.
What is described is a battery management architecture that eliminates previously described problems of the previous solutions and compensates for the extra cost of a cell-balancing circuit. These advantages are achieved by integrating the voltage step-up and balancing functions as well as charging functions inside a single converter topology.
|Battery management system and battery pack having the same|
A battery management system and a battery pack having the same including a charging circuit path for charging a battery and a discharging circuit path for discharging the battery is disclosed. The battery pack also includes a controller configured to control a charge switch unit in the charging circuit path during charging and to compensate for a change in voltage across the battery during discharging by controlling a discharge switch unit in the discharging circuit path to supply substantially constant power to an output terminal unit..