Title:
BATTERY PROTECTION CIRCUIT MODULE AND BATTERY PACK COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2017/030321
Kind Code:
A1
Abstract:
A battery protection circuit module, according to an aspect of the present invention, comprises: a first positive electrode terminal and a first negative electrode terminal that are electrically connected with electrode terminals of a battery bare cell; a second positive electrode terminal and a second negative electrode terminal that are electrically connected to a charger or an electronic device; a single field-effect transistor that includes a drain terminal, a source terminal, a gate terminal, and a well terminal, wherein the drain terminal is electrically connected to the first negative electrode terminal, and the source terminal is electrically connected to the second negative electrode terminal; and a protection integrated circuit device that controls charge and discharge of the battery bare cell by controlling switching of the single field-effect transistor by controlling the gate terminal, and by controlling the bias of the well terminal using an internal switch device.
Inventors:
NA HYUK HWI (KR)
HWANG HO SEOK (KR)
KIM YOUNG SEOK (KR)
AHN SANG HOON (KR)
HWANG HO SEOK (KR)
KIM YOUNG SEOK (KR)
AHN SANG HOON (KR)
Application Number:
PCT/KR2016/008824
Publication Date:
February 23, 2017
Filing Date:
August 11, 2016
Export Citation:
Assignee:
ITM SEMICONDUCTOR CO LTD (KR)
International Classes:
H02J7/00; H01M2/10; H01M10/42; H01M10/44; H02H7/18
Foreign References:
KR20050057693A | 2005-06-16 | |||
KR20070087501A | 2007-08-28 | |||
KR20080095838A | 2008-10-29 | |||
JP2001352683A | 2001-12-21 | |||
KR20080077930A | 2008-08-26 |
Attorney, Agent or Firm:
KIM, Nam Sik et al. (KR)
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