JP5037218B2 - 充電制御回路 - Google Patents
充電制御回路 Download PDFInfo
- Publication number
- JP5037218B2 JP5037218B2 JP2007129412A JP2007129412A JP5037218B2 JP 5037218 B2 JP5037218 B2 JP 5037218B2 JP 2007129412 A JP2007129412 A JP 2007129412A JP 2007129412 A JP2007129412 A JP 2007129412A JP 5037218 B2 JP5037218 B2 JP 5037218B2
- Authority
- JP
- Japan
- Prior art keywords
- battery
- terminal
- voltage
- secondary battery
- built
- 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.)
- Expired - Fee Related
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Images
Classifications
-
- 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
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
-
- 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
- H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Description
Claims (1)
- 一次電池と二次電池を内蔵電池として収納可能な機器の該二次電池を外部充電装置により充電する充電制御回路であって、
前記内蔵電池の二次電池用端子電圧及び一次電池用端子電圧を検出し、前記二次電池用端子電圧のみ所定の端子電圧を検出した場合に前記内蔵電池は二次電池であると検出し、前記二次電池用端子電圧及び前記一次用端子電圧ともに所定の端子電圧を検出した場合に短絡を検出する第1端子電圧検出回路と、
前記第1端子電圧検出回路で前記所定の端子電圧を検出しない場合であって、前記内蔵電池の二次電池用端子に所定電圧を印加し、電圧降下を検出した場合に前記内蔵電池は過放電状態の二次電池であると検出する第2端子電圧検出回路と、
前記第1端子電圧検出回路及び前記第2端子電圧検出回路で前記内蔵電池が二次電池であると検出し、かつ前記短絡を検出しない場合に前記外部充電装置による前記内蔵電池の充電を許容する制御回路と、
を有することを特徴とする充電制御回路。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007129412A JP5037218B2 (ja) | 2007-05-15 | 2007-05-15 | 充電制御回路 |
US11/863,300 US7652451B2 (en) | 2007-05-15 | 2007-09-28 | Charging control circuit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007129412A JP5037218B2 (ja) | 2007-05-15 | 2007-05-15 | 充電制御回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008289224A JP2008289224A (ja) | 2008-11-27 |
JP5037218B2 true JP5037218B2 (ja) | 2012-09-26 |
Family
ID=40026849
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007129412A Expired - Fee Related JP5037218B2 (ja) | 2007-05-15 | 2007-05-15 | 充電制御回路 |
Country Status (2)
Country | Link |
---|---|
US (1) | US7652451B2 (ja) |
JP (1) | JP5037218B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110518673B (zh) * | 2019-09-20 | 2021-06-08 | 歌尔股份有限公司 | 无线耳机充电电路、无线耳机和无线耳机充电方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1010212A (ja) * | 1996-06-24 | 1998-01-16 | Sony Corp | 電池評価方法及び電池評価装置 |
JP3932727B2 (ja) | 1999-08-04 | 2007-06-20 | ソニー株式会社 | 充電装置及び充電方法並びに電源装置 |
JP2002010508A (ja) | 2000-06-21 | 2002-01-11 | Sony Corp | 充電装置および充電方法 |
-
2007
- 2007-05-15 JP JP2007129412A patent/JP5037218B2/ja not_active Expired - Fee Related
- 2007-09-28 US US11/863,300 patent/US7652451B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2008289224A (ja) | 2008-11-27 |
US20080284382A1 (en) | 2008-11-20 |
US7652451B2 (en) | 2010-01-26 |
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