JPS6226132U - - Google Patents
Info
- Publication number
- JPS6226132U JPS6226132U JP11467185U JP11467185U JPS6226132U JP S6226132 U JPS6226132 U JP S6226132U JP 11467185 U JP11467185 U JP 11467185U JP 11467185 U JP11467185 U JP 11467185U JP S6226132 U JPS6226132 U JP S6226132U
- Authority
- JP
- Japan
- Prior art keywords
- protection circuit
- battery voltage
- level
- type transistor
- transistors
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 2
- 229910005580 NiCd Inorganic materials 0.000 description 1
Landscapes
- Power Sources (AREA)
Description
第１図は本考案による電池電圧保護回路の構成
を示す説明図、第２図はニツカド系電池の放電特
性を示すグラフ図。
２……ジヤツク、４，３２，３４，３６，３８
……抵抗、６，８，２２……ダイオード、２０…
…電圧検知部、２４……電圧検知ＩＣ、３０……
スイツチング部、４０……ＰＮＰ型トランジスタ
、４２……ＮＰＮ型トランジスタ、５０……マイ
コン。
FIG. 1 is an explanatory diagram showing the configuration of a battery voltage protection circuit according to the present invention, and FIG. 2 is a graph diagram showing the discharge characteristics of a NiCd battery. 2... Jack, 4, 32, 34, 36, 38
...Resistor, 6,8,22...Diode, 20...
...Voltage detection section, 24...Voltage detection IC, 30...
Switching section, 40...PNP type transistor, 42...NPN type transistor, 50...Microcomputer.
Claims (1)
電用電池を保護する電池電圧保護回路において、 電池電圧が一定の閾値レベルを下回つた場合Ｈ
レベルからＬレベルの出力信号電圧を出す電圧検
知手段と、 複数個のトランジスタの組合せからなり、前記
電圧検知手段からの出力信号に応じて、電気的に
ＯＮ，ＯＦＦするスイツチング手段と、 を有することを特徴とする電池電圧保護回路。 (2) 前記複数個のトランジスタは、ＰＮＰ型ト
ランジスタと、ＮＰＮ型トランジスタの２つの組
合せから成ることを特徴とする実用新案登録請求
の範囲第１項記載の電池電圧保護回路。[Scope of claim for utility model registration] (1) In a battery voltage protection circuit that protects a rechargeable battery installed in an electronic device such as a microcomputer, if the battery voltage falls below a certain threshold level
Voltage detection means that outputs an output signal voltage from level to L level; and switching means that is made of a combination of a plurality of transistors and electrically turns on and off according to the output signal from the voltage detection means. A battery voltage protection circuit featuring: (2) The battery voltage protection circuit according to claim 1, wherein the plurality of transistors are a combination of a PNP type transistor and an NPN type transistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11467185U JPS6226132U (en) | 1985-07-26 | 1985-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11467185U JPS6226132U (en) | 1985-07-26 | 1985-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6226132U true JPS6226132U (en) | 1987-02-17 |
Family
ID=30997618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11467185U Pending JPS6226132U (en) | 1985-07-26 | 1985-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6226132U (en) |
-
1985
- 1985-07-26 JP JP11467185U patent/JPS6226132U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS6226132U (en) | ||
| JPH0346594Y2 (en) | ||
| JPS62173076U (en) | ||
| JPH0440315U (en) | ||
| JPS6111652Y2 (en) | ||
| JPS63588U (en) | ||
| JPH0227220U (en) | ||
| JPS58183526U (en) | Switching power protection circuit | |
| JPS6433268U (en) | ||
| JPS61184334U (en) | ||
| JPS62175330U (en) | ||
| JPS5992534U (en) | small electronic equipment | |
| JPS5978839U (en) | Protection circuit for power supply | |
| JPS58189972U (en) | voltage detection circuit | |
| JPS6295444U (en) | ||
| JPS6020625U (en) | Stabilized power supply circuit | |
| JPS5830917U (en) | Tape recorder muting circuit | |
| JPS5866436U (en) | Malfunction prevention circuit for microprocessors, etc. | |
| JPS6125043U (en) | Secondary battery over-discharge prevention device | |
| JPS6412443U (en) | ||
| JPS64111U (en) | ||
| JPS63512U (en) | ||
| JPS63146770U (en) | ||
| JPS6274454U (en) | ||
| JPS63199302U (en) |