JPH0314980U - - Google Patents
Info
- Publication number
- JPH0314980U JPH0314980U JP7533489U JP7533489U JPH0314980U JP H0314980 U JPH0314980 U JP H0314980U JP 7533489 U JP7533489 U JP 7533489U JP 7533489 U JP7533489 U JP 7533489U JP H0314980 U JPH0314980 U JP H0314980U
- Authority
- JP
- Japan
- Prior art keywords
- current
- circuit
- output
- chopper circuit
- voltage
- 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 7
- 230000001052 transient effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Landscapes
- Dc-Dc Converters (AREA)
Description
第１図は本考案の第１実施例による降圧チヨツ
パ装置のブロツク結線図、第２図Ａ〜Ｅは第１図
の装置の各部の動作特性図、第３図Ａは出力電流
検出の一例を示す線図、第３図Ｂは出力電圧検出
の一例を示す線図、第４図は本考案の第２実施例
による降圧チヨツパ装置のブロツク結線図、第５
図Ａ〜Ｄは第４図の装置の各部の動作特性図、第
６図は従来の降圧チヨツパ装置のブロツク結線図
、第７図Ａ〜Ｄは第６図の装置の動作特性図であ
る。
１……バツテリ、２……トランジスタ、３……
リアクトル、４……ダイオード、５……コンデン
サ、６……負荷、１０……チヨツパ回路、１１ａ
……第１の突合せ回路、１１ｂ……第２の突合せ
回路、１２……電圧制御アンプ、１３……第１の
制御比較器、１４……ドライバ回路、２０……動
作制御回路、３０……過渡応答調整回路、３１…
…第３の突合せ回路、３２……第２の制御比較器
、３３……アンドゲート、３４……補正信号発生
回路、３５……電流変化検出回路、４０……過渡
応答調整回路、４１ａ……第１の電圧制御アンプ
、４１ｂ……第２の電圧制御アンプ、４２……リ
ミツタ回路である割算器、４３……第３の突合せ
回路、４４……第４の突合せ回路、４５……第２
の制御比較器、４６……スイツチ。
Figure 1 is a block wiring diagram of a step-down chopper device according to the first embodiment of the present invention, Figures 2 A to E are operational characteristic diagrams of each part of the device in Figure 1, and Figure 3 A is an example of output current detection. FIG. 3B is a diagram showing an example of output voltage detection, FIG. 4 is a block connection diagram of the step-down chopper device according to the second embodiment of the present invention, and FIG.
6 is a block diagram of a conventional step-down chopper device, and FIGS. 7A to 7D are operational characteristic diagrams of each part of the device shown in FIG. 6. 1...Battery, 2...Transistor, 3...
Reactor, 4...Diode, 5...Capacitor, 6...Load, 10...Chopper circuit, 11a
...First matching circuit, 11b... Second matching circuit, 12... Voltage control amplifier, 13... First control comparator, 14... Driver circuit, 20... Operation control circuit, 30... Transient response adjustment circuit, 31...
...Third matching circuit, 32... Second control comparator, 33... AND gate, 34... Correction signal generation circuit, 35... Current change detection circuit, 40... Transient response adjustment circuit, 41a... 1st voltage control amplifier, 41b...2nd voltage control amplifier, 42...divider which is a limiter circuit, 43...3rd matching circuit, 44...4th matching circuit, 45...... 2
control comparator, 46...switch.
Claims (1)
期でオン、オフし、負荷に電流を供給するチヨツ
パ回路と、このチヨツパ回路の出力電圧の設定出
力電圧に対する偏差分に応じて前記スイツチング
素子をオンオフ制御する動作制御回路と、前記チ
ヨツパ回路の出力電流の出力設定電流に対する偏
差分を基に電流の断続条件を検出する制御比較器
と、前記出力電流の変化分を検出する電流変化検
出回路と、この電流変化検出回路の検出信号と前
記制御比較器の検出信号を基に前記負荷に供給す
べき電力の過渡変化を補償する補正信号を前記動
作制御回路に入力する補正信号発生回路からなる
過渡応答調整回路によつて構成したことを特徴と
する降圧チヨツパ装置。 (2) 直流電流をスイツチング素子により所定周
期でオンオフし、負荷に電流を供給するチヨツパ
回路と、このチヨツパ回路の出力電圧の設定出力
電圧に対する偏差分を入力とする第１および第２
の電圧制御アンプと、前記チヨツパ回路の入力電
圧と出力設定電圧の比に基づいて前記第１の電圧
制御アンプの出力信号にリミツタをかけるリミツ
タ回路と、前記チヨツパ回路の出力電流と設定出
力電流の偏差分に基づいて前記チヨツパ回路の電
流断続条件を検出すると共に前記出力電流が増加
したとき前記第２の電圧制御アンプの出力信号を
オフにする手段からなる過渡応答調整回路によつ
て構成したことを特徴とする降圧チヨツパ回路。[Claims for Utility Model Registration] (1) A chopper circuit that turns on and off DC current at predetermined intervals using a switching element to supply current to a load, and a chopper circuit that supplies current to a load according to the deviation of the output voltage of the chopper circuit from the set output voltage. an operation control circuit that controls on/off of the switching element; a control comparator that detects an intermittent current condition based on a deviation of the output current of the chopper circuit from an output setting current; and a control comparator that detects a change in the output current. a current change detection circuit; and a correction signal for inputting into the operation control circuit a correction signal that compensates for a transient change in the power to be supplied to the load based on the detection signal of the current change detection circuit and the detection signal of the control comparator. A step-down chopper device comprising a transient response adjustment circuit consisting of a generation circuit. (2) A chopper circuit that turns on and off the DC current at a predetermined period using a switching element and supplies the current to the load, and a first and second chopper circuit that receives as input the deviation of the output voltage of the chopper circuit from the set output voltage.
a voltage control amplifier; a limiter circuit that limits the output signal of the first voltage control amplifier based on the ratio between the input voltage of the chopper circuit and the output setting voltage; A transient response adjustment circuit comprising means for detecting the current intermittent condition of the chopper circuit based on the deviation and turning off the output signal of the second voltage control amplifier when the output current increases. A step-down chopper circuit featuring:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989075334U JPH0811055Y2 (en) | 1989-06-27 | 1989-06-27 | Step-down chopper device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989075334U JPH0811055Y2 (en) | 1989-06-27 | 1989-06-27 | Step-down chopper device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0314980U true JPH0314980U (en) | 1991-02-14 |
| JPH0811055Y2 JPH0811055Y2 (en) | 1996-03-29 |
Family
ID=31615823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989075334U Expired - Fee Related JPH0811055Y2 (en) | 1989-06-27 | 1989-06-27 | Step-down chopper device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0811055Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2005071825A1 (en) * | 2004-01-27 | 2007-09-13 | ローム株式会社 | DC-AC converter, its controller IC, and electronic equipment using the DC-AC converter |
| JP2009528719A (en) * | 2006-02-27 | 2009-08-06 | ソニー エリクソン モバイル コミュニケーションズ， エービー | Light emitting cable accessory for electronic device and method of operating light emitting cable accessory for electronic device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63156585U (en) * | 1987-04-02 | 1988-10-13 |
-
1989
- 1989-06-27 JP JP1989075334U patent/JPH0811055Y2/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63156585U (en) * | 1987-04-02 | 1988-10-13 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2005071825A1 (en) * | 2004-01-27 | 2007-09-13 | ローム株式会社 | DC-AC converter, its controller IC, and electronic equipment using the DC-AC converter |
| JP4744301B2 (en) * | 2004-01-27 | 2011-08-10 | ローム株式会社 | DC-AC converter, its controller IC, and electronic equipment using the DC-AC converter |
| JP2009528719A (en) * | 2006-02-27 | 2009-08-06 | ソニー エリクソン モバイル コミュニケーションズ， エービー | Light emitting cable accessory for electronic device and method of operating light emitting cable accessory for electronic device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0811055Y2 (en) | 1996-03-29 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |