About 40 results
https://drivepatents.com/patents/1382830 · 14 May 2026
A method for operating an on-board HV charging system configured to charge a traction battery of an electric vehicle, the on-board HV charging system having a Power Factor Correction (PFC) circuit to convert AC power from a mains supply into DC power for u...
https://drivepatents.com/patents/1378061 · 15 Jan 2026
A power conversion system includes a rectifier, a first plurality of switching converters, and a first load including a plurality of first load elements. Each of the first plurality of switching converters has a converter first positive port, a converter f...
https://drivepatents.com/patents/1391338 · 26 Nov 2025
This application provides a power conversion circuit, an energy storage apparatus, and an energy storage system. The power conversion circuit includes a controller, a first-level DC/DC conversion circuit, a plurality of second-level DC/DC conversion circui...
https://drivepatents.com/patents/1372867 · 16 Jan 2025
An electrical power distribution system is disclosed. A line converter is connectable to a mains power source and an on-board battery. An electronic control system is configured to control the line converter. A first sensor arrangement is configured to mea...
https://drivepatents.com/patents/968381 · 22 Oct 2014
An electronic apparatus including a battery unit configured to include a battery and to supply power to elements of the electronic apparatus by using power stored in the battery; a power charger configured to, if power is input from an external adaptor, ch...
https://drivepatents.com/patents/969884 · 17 Sep 2014
A battery pack (1a) includes a battery block (10) and a memory (14a). The battery block (10) includes a battery cell (11), and the memory (14a) stores battery information. The battery information includes a battery block lower limit voltage (VLb) set in ac...
https://drivepatents.com/patents/971372 · 13 Aug 2014
An electronic apparatus charging base (1) is disclosed. The electronic apparatus charging base (1) is provided for charging at least one electronic apparatus (90) and can be electrically connected to an external power source (80). The electronic apparatus ...
https://drivepatents.com/patents/973779 · 11 Jun 2014
A high efficiency battery charger. The high-efficiency battery charger can include a first transformer to produce a charging current, a second transformer to produce a maintenance current lower than the charging current, a power feed circuit having an inpu...
https://drivepatents.com/patents/976293 · 16 Apr 2014
The present invention relates to a charge equalization apparatus, which can enable the primary windings (N1) and the secondary windings (N2) of transformers (T1,..Tn) to be easily manufactured, can control the flow of charges into batteries (B1,...Bn) depe...
https://drivepatents.com/patents/979172 · 29 Jan 2014
A control system, a power supply system, and a method for preventing a floating charge of a battery are disclosed. The control system is applied to the power supply system electronically connected to an electronic equipment and a power supply terminal. The...