Hybrid battery module with a voltage balancing unit and its...

Details Hybrid battery module with a voltage balancing unit and its... Hybrid battery module with a voltage balancing unit and its...

2006-10-02

2008-12-09

Berhane, Adolf (Department: 2838)

Electricity: battery or capacitor charging or discharging

Serially connected batteries or cells

Having variable number of cells or batteries in series

C320S118000, C320S119000, C320S134000

Reexamination Certificate

active

07463009

ABSTRACT:
The present invention relates to a hybrid battery module with voltage balancing unit, which comprises: a first cell set; a first programmable fuse; a first discharging switch; a first charging switch; a first analog front end circuit; a first thermister; a second cell set; a second programmable fuse; a second discharging switch; a second charging switch; a second analog front end circuit; a second thermister; a controller; and a voltage balancing unit; whereby the voltage of the first cell set and the second cell set can reach a balance state by the voltage balancing unit; and during the charging process, the first charging switch and the second charging switch will simultaneously be turned off when it meets a safety event; and during the discharging process, the first programmable fuse and the second programmable fuse will simultaneously be burned off when it meets a critical safety event so as to prevent cell from being burned; Furthermore, the present invention also provides a method for charging and discharging a hybrid battery module with a voltage balancing unit.

REFERENCES:
patent: 5557188 (1996-09-01), Piercey
patent: 6051955 (2000-04-01), Saeki et al.

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