About 20 results
https://drivepatents.com/patents/977969 · 26 Feb 2014
A semiconductor device is provided for measuring voltage of each of plural unit cells series-coupled in multi-stage and configuring an assembled battery. While satisfying the functional safety standards with dual-redundancy of the function of battery volta...
https://drivepatents.com/patents/978836 · 5 Feb 2014
The voltage monitoring module (100) includes an input terminal (V1), a cell balancing input terminal (VB1), a switch (SWa_1), and a control circuit (CON). The input terminal (V1) is coupled to a high-voltage-side terminal of a battery cell (EC1) through a ...
https://drivepatents.com/patents/981493 · 27 Nov 2013
The reliability in detection of toothless part is improved. A first counter (102) counts a clock signal from an initial value for each of pulse intervals of a predetermined event pulse train and the count value of the first counter (102) is held in a regis...
https://drivepatents.com/patents/981723 · 20 Nov 2013
In an assembled battery including plural cells series-coupled in multiple stages, each voltage measuring unit includes an analog front end unit which measures the voltages of cells, an interface unit for interfacing with a common bus, a voltage measurement...
https://drivepatents.com/patents/984381 · 28 Aug 2013
A power device possesses a built-in fuse function and can continue to normally operate after a short circuit failure. The power device includes a plurality of output cells, a plurality of bonding wires provided corresponding to the output cells, and a cont...
https://drivepatents.com/patents/995317 · 5 Dec 2012
In a voltage monitoring system , a voltage monitoring module includes an adjusting current control circuit to generate an adjusting current so that the operating current consumed by the voltage monitoring modules reaches a specified value corresponding to ...
https://drivepatents.com/patents/1005694 · 1 Feb 2012
A motor speed determining circuit determining a rotation speed of a motor is provided and a processing of generating motor driving waveform is switched in accordance with the rotation speed of the motor. A resolver signal outputted from a resolver 2 is con...
https://drivepatents.com/patents/1012875 · 18 May 2011
A power supply control apparatus (2) includes: an output transistor (T1) coupled between a first power supply line and an output terminal (OUT), the output terminal (OUT) being configured to be coupled with a load (11); a protection transistor (MN8) couple...
https://drivepatents.com/patents/1014653 · 23 Mar 2011
A UPS device is coupled to an external power source and another UPS device through a power line. The UPS device includes: a storage battery in which power from the external power source is charged, the UPS device being configured to be capable of supplying...
https://drivepatents.com/patents/1014843 · 16 Mar 2011
To prevent circulation of illicit products of batteries for electric vehicles. A data processing system is employed that performs, on an electric vehicle battery module having a plurality of battery cells installed therein, authentication of individual bat...