JPS6416144U - - Google Patents
Info
- Publication number
- JPS6416144U JPS6416144U JP11098587U JP11098587U JPS6416144U JP S6416144 U JPS6416144 U JP S6416144U JP 11098587 U JP11098587 U JP 11098587U JP 11098587 U JP11098587 U JP 11098587U JP S6416144 U JPS6416144 U JP S6416144U
- Authority
- JP
- Japan
- Prior art keywords
- charging
- transistor
- potential difference
- rechargeable battery
- detects
- 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.)
- Granted
Links
- 238000001514 detection method Methods 0.000 claims description 4
Landscapes
- Dc-Dc Converters (AREA)
Description
図示した回路は、本考案の充電回路の一実施例
である。
主な図番の説明、５……直流電源回路、６……
充電式電池、７……充電端子、９……充電用トラ
ンジスター、１０……インダクタンス素子、１１
……検出用抵抗、１３……検出用トランジスター
、１４……第１トランジスター、１６……ツエナ
ーダイオード、１９……第２トランジスター、２
２……シユミツト回路、２３……ダイオード。
The illustrated circuit is one embodiment of the charging circuit of the present invention. Explanation of main drawing numbers, 5 ...DC power supply circuit, 6...
Rechargeable battery, 7... Charging terminal, 9... Charging transistor, 10... Inductance element, 11
...Detection resistor, 13...Detection transistor, 14...First transistor, 16...Zener diode, 19...Second transistor, 2
2 ... Schmitt circuit, 23... diode.
Claims (1)
にコレクタがインダクタンス素子及び検出用抵抗
を介して充電端子に接続されている充電用トラン
ジスターと、前記検出用抵抗の両端の電位差を検
出すると共に該電位差が大のとき導通する検出用
トランジスターと、該検出用トランジスター又は
前記充電端子よりツエナーダイオーを介してベー
ス電流が供給される第１トランジスターと、該第
１トランジスターと共にシユミツト回路を形成す
ると共に前記充電用トランジスターの動作を制御
するべく接続されている第２トランジスターと、
前記充電用トランジスターのコレクタと接地間に
接続されていると共に該充電用トランジスターが
導通状態より非導通状態に反転したとき前記イン
ダクタンス素子より誘起される電圧を前記充電端
子と接地間に接続されている充電式電池に供給す
るダイオードとより成り、前記充電用トランジス
ターのスイツチング動作により充電式電池に充電
電流を供給するようにしたことを特徴とする充電
回路。 A charging transistor has an emitter connected to a DC power supply circuit and a collector connected to a charging terminal via an inductance element and a detection resistor, and detects a potential difference between both ends of the detection resistor, and detects the potential difference when the potential difference is large. a first transistor to which a base current is supplied from the first transistor or the charging terminal via a Zener diode; a second transistor connected to control operation;
The charging transistor is connected between the collector of the charging transistor and the ground, and is connected between the charging terminal and the ground to receive the voltage induced by the inductance element when the charging transistor is reversed from a conductive state to a non-conductive state. 1. A charging circuit comprising a diode for supplying a rechargeable battery, wherein a charging current is supplied to the rechargeable battery by switching operation of the charging transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11098587U JP2528004Y2 (en) | 1987-07-20 | 1987-07-20 | Charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11098587U JP2528004Y2 (en) | 1987-07-20 | 1987-07-20 | Charging circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6416144U true JPS6416144U (en) | 1989-01-26 |
| JP2528004Y2 JP2528004Y2 (en) | 1997-03-05 |
Family
ID=31348641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11098587U Expired - Lifetime JP2528004Y2 (en) | 1987-07-20 | 1987-07-20 | Charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2528004Y2 (en) |
-
1987
- 1987-07-20 JP JP11098587U patent/JP2528004Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2528004Y2 (en) | 1997-03-05 |
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