About 25 results
https://drivepatents.com/patents/1002553 · 9 May 2012
A battery management system (100) includes a switch array (130), a first controller (140) and a second controller (150). The switch array (130) selects a battery module from multiple battery modules in a battery pack (110) based upon a conduction state of ...
https://drivepatents.com/patents/1002746 · 2 May 2012
Generally, a system includes a control circuitry configured to detect a current wherein the detected current is one of a battery discharge current or a battery charging current; a first transistor configured to disconnect a load from at least one of a batt...
https://drivepatents.com/patents/1004868 · 29 Feb 2012
The present invention provides a control system which is used for a stacked battery of a plurality of battery packs. Each battery pack has a plurality of battery cells coupled in series. The control system is capable of reconfiguring communication among th...
https://drivepatents.com/patents/1006108 · 18 Jan 2012
According to one aspect there is disclosed an apparatus. The apparatus may include a first battery module. The first battery module may include a switch configured to open or close a first current path from a first terminal of a battery to a second termina...
https://drivepatents.com/patents/1006428 · 4 Jan 2012
A battery management system (130) for a battery pack that includes multiple battery cells (102_1-102_N) is disclosed. The battery management system (130) includes a detector (108) coupled to the battery cells (102_1-102_N), multiple temperature sensors (10...
https://drivepatents.com/patents/1006719 · 28 Dec 2011
A battery management system (200) for a battery pack comprising multiple battery modules (211-216) is disclosed. Each of the battery modules (211-216) includes multiple battery cells. The battery management system (200) includes multiple first balancing un...
https://drivepatents.com/patents/1007704 · 23 Nov 2011
A system (100) may include an electronic device (110) configured to consume a supply current; an AC to DC adapter (104) configured to be coupled to the electronic device, wherein the AC to DC adapter has a maximum rated output current; a battery (108) conf...
https://drivepatents.com/patents/1009031 · 5 Oct 2011
A balancing system for a battery pack includes a first balancing stage and a second balancing stage. The battery pack includes multiple modules and each of the modules in the battery pack includes a subset of the cells. The first balancing stage can balanc...
https://drivepatents.com/patents/1011073 · 13 Jul 2011
A circuit used to measure cell voltages in a battery pack can include a cell voltage level shifter, a sense block, and a compensation current generator. The cell voltage level shifter selects a cell and shifts the terminal voltages of the selected cell fro...
https://drivepatents.com/patents/1013077 · 11 May 2011
In a power converter, a primary winding receives an input power. In addition, multiple secondary windings transform the input power into multiple charging currents to charge a set of cells via a set of paths. The multiple secondary windings further balance...