JP6178097B2 - 保護回路モジュールおよび電池パック - Google Patents
保護回路モジュールおよび電池パック Download PDFInfo
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- JP6178097B2 JP6178097B2 JP2013078191A JP2013078191A JP6178097B2 JP 6178097 B2 JP6178097 B2 JP 6178097B2 JP 2013078191 A JP2013078191 A JP 2013078191A JP 2013078191 A JP2013078191 A JP 2013078191A JP 6178097 B2 JP6178097 B2 JP 6178097B2
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- Prior art keywords
- control switch
- oxide
- transistor
- protection circuit
- film
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
Landscapes
- Power Engineering (AREA)
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Thin Film Transistor (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Protection Of Static Devices (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Secondary Cells (AREA)
- Semiconductor Integrated Circuits (AREA)
- Battery Mounting, Suspending (AREA)
Description
図1に、本発明の一態様に係る電池パック500の構成について、一例として回路図を示す。
次に、実施の形態1に示した電池パック500と異なる電池パックの回路構成について、図3を用いて説明する。
本実施の形態では、図4を用いて、実施の形態1に示す保護回路102を構成している素子であるトランジスタ900と、放電制御用スイッチ200におけるトランジスタ202(充電制御用スイッチ300におけるトランジスタ302も同様。)の構成を、断面図で一例として示す。
本発明の一態様に係る保護回路モジュールまたは電池パックは、表示機器、パーソナルコンピュータ、記録媒体を備えた画像再生装置(代表的にはDVD:Digital Versatile Disc等の記録媒体を再生し、その画像を表示しうるディスプレイを有する装置)に用いることができる。その他に、本発明の一態様に係る保護回路モジュールまたは電池パックを用いることができる電子機器として、携帯電話、携帯型を含むゲーム機、携帯情報端末、電子書籍、ビデオカメラ、デジタルスチルカメラ、ゴーグル型ディスプレイ(ヘッドマウントディスプレイ)、ナビゲーションシステム、音響再生装置(カーオーディオ、デジタルオーディオプレイヤー等)、複写機、ファクシミリ、プリンター、プリンター複合機、現金自動預け入れ払い機(ATM)、自動販売機などが挙げられる。これら電子機器の具体例を図5に示す。
101 保護回路モジュール
102 保護回路
110 二次電池
150 外部負荷
160 充電用電源
165 保護抵抗
170 ヒューズ
180 サーミスタ
200 放電制御用スイッチ
202 トランジスタ
204 ダイオード
206 トランジスタ
300 充電制御用スイッチ
302 トランジスタ
304 ダイオード
306 トランジスタ
500 電池パック
600 電池パック
700 電池パック
800 電池パック
900 トランジスタ
901 半導体基板
902 素子分離絶縁膜
903 ソース領域およびドレイン領域
904 ゲート絶縁膜
905 ゲート電極
906 層間絶縁膜
907 配線
908 下地絶縁膜
909 酸化物半導体膜
910 ソース電極およびドレイン電極
911 ゲート絶縁膜
912 ゲート電極
913 層間絶縁膜
920 バックゲート電極
5001 筐体
5002 筐体
5003 表示部
5004 表示部
5005 マイクロホン
5006 スピーカー
5007 操作キー
5008 スタイラス
5101 車体
5102 車輪
5103 ダッシュボード
5104 ライト
5301 筐体
5302 冷蔵室用扉
5303 冷凍室用扉
5401 筐体
5402 表示部
5403 キーボード
5404 ポインティングデバイス
5601 筐体
5602 筐体
5603 表示部
5604 表示部
5605 接続部
5606 操作キー
5801 筐体
5802 筐体
5803 表示部
5804 操作キー
5805 レンズ
5806 接続部
Claims (5)
- 保護回路と、充電制御用スイッチと、放電制御用スイッチと、を有し、
前記充電制御用スイッチおよび前記放電制御用スイッチは前記保護回路に接続され、
前記保護回路は、二次電池の電圧を検出し所定の電圧と比較して、その比較結果に応じた制御信号を前記充電制御用スイッチまたは前記放電制御用スイッチに出力して、前記充電制御用スイッチまたは前記放電制御用スイッチを導通または非導通とし、
前記充電制御用スイッチおよび前記放電制御用スイッチは、前記保護回路上に積層されており、
前記充電制御用スイッチおよび前記放電制御用スイッチは、酸化物半導体を有する第1のトランジスタと、前記第1のトランジスタと並列に接続するダイオードと、を有し、
前記保護回路が有する第2のトランジスタは、シリコンを有し、
前記第1のトランジスタは、バックゲート電極を有し、
前記第2のトランジスタは、ソース領域またはドレイン領域が配線に接続されており、
前記バックゲート電極と、前記配線とは、同一の層に位置することを特徴とする保護回路モジュール。 - 請求項1において、
前記ダイオードは、酸化物半導体を有することを特徴とする保護回路モジュール。 - 請求項1または請求項2において、
前記酸化物半導体は、In、Ga、Sn及びZnから選ばれた一種以上の元素を含むことを特徴とする保護回路モジュール。 - 請求項1乃至請求項3のいずれか一項に記載の保護回路モジュールと、二次電池と、を有し、
前記二次電池、前記充電制御用スイッチおよび前記放電制御用スイッチは、直列に接続されることを特徴とする電池パック。 - 請求項4において、
前記二次電池は、リチウム二次電池であることを特徴とする電池パック。
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JP2017136824A Expired - Fee Related JP6360602B2 (ja) | 2012-04-06 | 2017-07-13 | 保護回路モジュール |
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JP2018118588A Active JP6538933B2 (ja) | 2012-04-06 | 2018-06-22 | 保護回路モジュール |
Country Status (5)
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US (1) | US20130265010A1 (ja) |
JP (3) | JP6178097B2 (ja) |
KR (1) | KR102122393B1 (ja) |
CN (1) | CN103367820B (ja) |
TW (1) | TWI594537B (ja) |
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-
2013
- 2013-03-15 US US13/832,617 patent/US20130265010A1/en not_active Abandoned
- 2013-03-26 KR KR1020130032222A patent/KR102122393B1/ko active IP Right Grant
- 2013-03-28 TW TW102111183A patent/TWI594537B/zh active
- 2013-04-03 CN CN201310114649.1A patent/CN103367820B/zh not_active Expired - Fee Related
- 2013-04-04 JP JP2013078191A patent/JP6178097B2/ja not_active Expired - Fee Related
-
2017
- 2017-07-13 JP JP2017136824A patent/JP6360602B2/ja not_active Expired - Fee Related
-
2018
- 2018-06-22 JP JP2018118588A patent/JP6538933B2/ja active Active
Also Published As
Publication number | Publication date |
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TWI594537B (zh) | 2017-08-01 |
JP2018161049A (ja) | 2018-10-11 |
JP6360602B2 (ja) | 2018-07-18 |
CN103367820A (zh) | 2013-10-23 |
JP2017228532A (ja) | 2017-12-28 |
JP6538933B2 (ja) | 2019-07-03 |
CN103367820B (zh) | 2018-03-30 |
JP2013233072A (ja) | 2013-11-14 |
KR102122393B1 (ko) | 2020-06-12 |
TW201351833A (zh) | 2013-12-16 |
KR20130113979A (ko) | 2013-10-16 |
US20130265010A1 (en) | 2013-10-10 |
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