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9035616 State based full and empty control for rechargeable batteries  
State based full and empty control for rechargeable batteries that will assure a uniform battery empty condition, even in the presence of a load on the battery. A fuel gauge provides a prediction...
9024572 Battery module, battery system and electric vehicle  
A battery block composed of a plurality of battery cells and a voltage detecting circuit (state detecting circuit) for detecting a voltage between terminals of each battery cell are included, and...
9007068 Method for detecting an electrical fault in an electrical network of a motor vehicle  
A method is provided for current-based detection of an electrical fault in an electrical network of a motor vehicle, the network having at least: one battery, one pulse-controlled inverter, one...
9007066 Measuring isolated high voltage and detecting isolation breakdown with measures for self-detection of circuit faults  
A system for making high voltage measurements to measure a voltage of a battery pack and detect of an isolation fault. The system includes a first resistive divider comprising at least a first...
9000729 Method and apparatus for battery gauging in a portable terminal using AMOLED display  
Provided is a battery gauging method for a portable terminal including an active matrix organic light emitting diode (AMOLED) display. The battery gauging method may measure a voltage value of a...
9000750 Method and apparatus for temperature adjusted control of BATFET current sensing  
A method and apparatus for providing a temperature sensing loop used in connection with a current sensing component, such as a BATFET, in order to compensate for variations in the BATFET's...
8990038 Method and apparatus for monitoring battery life  
A method and apparatus for monitoring battery life in a human input device powered by replaceable batteries includes repeatedly measuring battery charge by use of a measuring arrangement forming...
8963507 Method and system for allocating identifiers to multi-slave in battery pack  
Disclosed is a method and system for allocating identifiers to multi-slaves in a battery pack. The method for allocating identifiers, in which a master battery management system (BMS) allocates...
8952823 Battery early warning and monitoring system  
An early warning and monitoring system is disclosed for battery cells and battery packs. During normal cycling of a battery, surface temperature, voltage, current and impedance may be monitored to...
8949056 Battery management system and battery pack including battery management system  
A battery management system and a battery pack. The battery management system includes a micro computer unit including an analog-to-digital converter (ADC) to measure a battery voltage, a voltage...
8941386 Busbar for battery electrode post connection and battery voltage monitor using the same  
A busbar for battery electrode post connection with a terminal for voltage detection is provided. Both ends of a length direction of a rectangular thin plate of a conductive metal are left and an...
8922218 Detection circuits for batteries  
A detection circuit includes a sensing unit, a signal reference source, and a detecting unit. The sensing unit provides a sensed signal by sensing an input signal representing a status of a...
8912749 Electrical apparatus and verification method for battery module thereof  
An electrical apparatus including a battery module and a battery verification module is disclosed. The battery module has a verification circuit and an identification resistor. When the battery...
8907676 Power cell system with means for detecting a discontinuity  
A power cell system such as a fuel cell system, with apparatus for detecting a discontinuity. A power cell system, e.g. a fuel cell system, includes a plurality of power cells, e.g. fuel cells and...
8907675 Method for determining a state of health for an electrochemical device  
The invention relates to a method for determining a state of health of an electrochemical device in particular having improved reliability. Said method in particular consists of: applying (10) to...
8902072 Apparatus and method for diagnosing abnormality in cell balancing circuit  
Provided are an apparatus and a method for diagnosing an abnormality in a cell balancing circuit. The apparatus may include a plurality of cell balancing circuits respectively connected to a...
8889278 Contact pad for sensing voltage of cell module assembly and cell module assembly  
A contact pad configured to sense the voltage of a cell module assembly including at least one battery cell, is electrically connected to a voltage sensing module for measuring the voltage of the...
8890510 Battery wake-up  
Circuits and methods for fast detection of a low voltage in the range of few ╬╝Volts have been achieved. In a preferred embodiment the low voltage represents a current via a shunt resistor and the...
8884626 Device calibration for battery type identification  
Some embodiments provide a system that facilitates use of an electronic device. The electronic device may be a keyboard, a mouse, a trackpad, a remote control, a wireless phone, a toy, a battery...
8878541 Battery voltage monitoring circuit  
A battery voltage monitoring circuit includes a first power supply terminal to be connected to the positive terminal of a battery pack having rechargeable cells connected in series; a first supply...
8878540 Abnormal condition detection apparatus  
A plurality of result signals are driven low when abnormal condition is detected and driven high when no abnormal condition is detected. Presence and absence of the abnormal conditions of...
8864373 Small highly accurate battery temperature monitoring circuit  
A battery temperature monitoring circuit, which has a cold comparator and a hot comparator, achieves high accuracy in a small cell size by utilizing a cold current optimized for the cold...
8860422 Method for detecting the voltage in battery cells  
The invention relates to an evaluation circuit for detecting the voltage in battery cells of a battery system which are preferably connected in series. The evaluation circuit includes serially...
8860421 Cell voltage measuring apparatus and method of battery pack having multiplexers to output voltage signal of each cell  
A cell voltage measuring apparatus of a battery pack comprises a plurality of multiplexers connected corresponding to each cell group of the battery pack and operated to output a voltage signal of...
8860423 Voltage monitoring circuit, test method therefor, and voltage monitoring system  
A voltage monitoring circuit includes a plurality of voltage input terminals which input a voltage across each of a plurality of series-coupled battery cells, a selection circuit which, by...
8854047 Voltage monitor for monitoring voltage of a battery  
A first monitor circuit 50 and a second monitor circuit 60 each having an identical configuration are provided in a voltage monitor. A threshold switching section 41 switches a threshold of each...
8841915 Battery voltage monitoring apparatus  
The battery voltage monitoring apparatus has a structure in which, for each adjacent two of battery cells, the positive electrode of the battery cell on the higher voltage side and the negative...
8836340 Assembled battery system and failure detection method of assembled battery system  
An assembled battery system is disclosed that includes a plurality of serially-connected battery cells; voltage detecting lines connectable at one ends to electrodes of the battery cells of the...
8836341 Semiconductor circuit, semiconductor device, method of diagnosing abnormality of wire, and computer readable storage medium  
There is provided a semiconductor circuit including: a selection circuit, to which are connected batteries in series, and which selects any one of the batteries; a difference detecting circuit, to...
8829854 Secondary battery  
A secondary battery includes a plurality of battery cells and measures voltages of the battery cells. The secondary battery includes a capacitive device, a relay and an A/D converter. The...
8829911 Diagnostic use of a plurality of electrical battery parameters  
In at least one embodiment, a power management module measures different observable quantities of a battery, such as terminal voltage or current, and measures a voltage response of the battery...
8802259 Battery pack of compact structure  
Disclosed herein is a battery pack including a battery module including a cell module stack having a structure in which a plurality of cell modules, each of which includes a battery cell mounted...
8802260 Separation method of secondary battery  
A method for disassembling a battery pack to separate a secondary battery which can be reused, without impairing the performance of a secondary battery, having remaining life which, constitutes...
8803478 Analog switch, battery pack including the same and battery voltage measuring method  
A battery pack is provided. The battery pack includes first battery cells, a second battery cell coupled to one of the first battery cells, a voltage sensing and balancing circuit for measuring...
8797043 System and method for detection of open connections between an integrated circuit and a multi-cell battery pack  
An apparatus comprises an integrated circuit and an open connection detection circuit within the integrated circuit. The integrated circuit includes a plurality of inputs for connecting with a...
8791710 Battery simulation system having fault simulation  
A battery emulation device for simulating a battery cell voltage at a terminal of a battery control unit in accordance with a setpoint value includes a control unit configured to determine the...
8786289 Method and semiconductor device for monitoring battery voltages  
A semiconductor device for monitoring batteries or cells connected in series has a selector switch that selects one of the batteries or cells and outputs voltages obtained from its positive and...
8773136 Method for evaluating the ability of a battery to start  
The charge state of a battery powering a starter of a motor vehicle is evaluated to determine whether the battery voltage is sufficiently high to re-start an internal combustion engine during a...
8766643 Method for monitoring remaining service life of a battery  
A method for monitoring the remaining service life of a battery used for operating a field device in automation technology. The present power consumption of the battery is ascertained. Then,...
8754654 Power supply device for detecting disconnection of voltage detection lines  
A power supply device includes battery units. Each unit includes a battery block, a voltage detector, a power supply circuit, and a disconnection detector. The block includes serially-connected...
8751176 Apparatus for monitoring battery voltage and temperature  
An apparatus for monitoring battery voltage and temperature includes a host controller and acquisition boards, and every acquisition board for the battery includes a voltage acquisition module, a...
8723527 Battery monitoring system  
A battery monitoring system, comprises a battery state detection circuit that detects battery states of a plurality of battery cells that are connected in series, based on respective cell voltages...
8717035 Systems and methods for detecting an open cell tap in a battery pack  
A method is provided for detecting an open cell tap condition in a battery pack. The method includes: applying a detection voltage across an electrical impedance that is coupled to a measurement...
8713363 Power supply system for a data storage system and a method of controlling a power supply  
The invention provides a power supply system for a data storage system, the power supply system comprising: a first power supply unit for supplying power to the storage system; a second power...
8704525 Current based overvoltage and undervoltage detector  
With batteries or cells, particularly lithium ion cells, it is important to determine when one or more cells have entered a fault condition (i.e., overvoltage or undervoltage). Conventional...
8692556 Voltage detection device for assembled battery  
An operational amplifier has an input biased at a predetermined reference voltage. A control unit opens both second switches and third switches corresponding to unit batteries being non-detection...
8680867 Battery monitoring circuit and battery monitoring system  
A battery monitoring circuit monitors voltages of a plurality of secondary cells connected in series. The battery monitoring circuit comprises a first switch element, a second switch element, a...
8674702 Apparatus for detecting a state of secondary battery  
A lithium-ion secondary battery includes an aluminum case, an electrolytic solution, a positive plate, a negative plate, a positive terminal, a negative terminal, and voltage sensors. The positive...
8643375 Circuit system and method of controlling power management  
A circuit system is disclosed. The system comprises a master circuitry, at least one slave circuitry which has a battery sensor for checking battery status of a power supply battery and a shut...
8643333 Battery stack cell monitor  
A battery monitor system for determining a cell voltage between a low side contact and a high side contact of a cell in situ as one of a plurality of cells connected in series to form a battery....