CN108023472A - A kind of start-up circuit of quick low-power consumption - Google Patents
A kind of start-up circuit of quick low-power consumption Download PDFInfo
- Publication number
- CN108023472A CN108023472A CN201711355456.XA CN201711355456A CN108023472A CN 108023472 A CN108023472 A CN 108023472A CN 201711355456 A CN201711355456 A CN 201711355456A CN 108023472 A CN108023472 A CN 108023472A
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- CN
- China
- Prior art keywords
- diode
- resistance
- triode
- power consumption
- anode
- 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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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/36—Means for starting or stopping converters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/0048—Circuits or arrangements for reducing losses
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
- Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Control Of Electrical Variables (AREA)
- Dc-Dc Converters (AREA)
Abstract
The present invention relates to electronic technology field, specially a kind of start-up circuit of quick low-power consumption, it can realize quick startup and low-power consumption at the same time, it includes resistance R1 and resistance R2, the resistance R1 connects high-voltage power supply HV with described resistance R2 one end, the base stage of the resistance R1 other end connecting triodes Q1, the cathode of diode D2, the collector of the triode Q1 connects the resistance R2 other ends, the collector of triode Q2, emitter connection capacitance C1 one end of the triode Q2, the anode of diode D1, power supply VCC, the capacitance C1 other ends and diode D1 other ends ground connection, the cathode of the anode connection diode D3 of the diode D2, the anode of the diode D3 is the Enable Pin of IC driving chips.
Description
Technical field
The present invention relates to electronic technology field, is specially a kind of start-up circuit of quick low-power consumption.
Background technology
Current high-voltage starting circuit, it starts speed and is contradicted soon with low in energy consumption, i.e. startup speed is fast, corresponding
Power consumption can also increase, the driving IC chip such as in LED lamp, although start speed accelerate, the power consumption of itself
Increase, if lower power consumption, then starting speed also can be accordingly slack-off.
The content of the invention
To solve the above-mentioned problems, the present invention provides a kind of start-up circuit of quick low-power consumption, it can be realized at the same time
Quick startup and low-power consumption.
Its technical solution is such：A kind of start-up circuit of quick low-power consumption, it is characterised in that it include resistance R1 with
Resistance R2, the resistance R1 connect high-voltage power supply HV with described resistance R2 one end, the resistance R1 other end connecting triodes Q1's
The cathode of base stage, diode D2, the collector of the triode Q1 connect the resistance R2 other ends, the current collection of triode Q2
Pole, emitter connection capacitance C1 one end of the triode Q2, the anode of diode D1, power supply VCC, the capacitance C1 other ends
It is grounded with the diode D1 other ends, the cathode of the anode connection diode D3 of the diode D2, the diode D3's
Anode is the Enable Pin of IC driving chips.
It is further characterized by, and the diode D1 is zener diode.
After circuit using the present invention, high-voltage power supply HV is by giving capacitance C1 quick charges, when the voltage at capacitance C1 both ends reaches
Operating voltage VCC, IC driving chip to IC driving chips starts, at this moment triode Q1 and triode Q2 shut-offs, into low work(
Consumption state, while realize quick startup and low-power consumption.
Brief description of the drawings
Fig. 1 is circuit diagram of the present invention.
Embodiment
As shown in Figure 1, a kind of start-up circuit of quick low-power consumption, it includes resistance R1 and resistance R2, resistance R1 and resistance
R2 one end connects high-voltage power supply HV, the base stage of resistance R1 other end connecting triodes Q1, the cathode of diode D2, the collection of triode Q1
The electrode connection resistance R2 other ends, the collector of triode Q2, emitter connection capacitance C1 one end of triode Q2, diode D1
Anode, power supply VCC, the capacitance C1 other ends and diode D1 other ends ground connection, the anode connection diode D3's of diode D2
Cathode, the anode of diode D3 are the Enable Pin Enable of IC driving chips, and wherein diode D1 is zener diode.
Operation principle is as described below：During beginning, capacitance C1 both end voltages are 0V, and IC driving chips do not work, with the time
Passage, high-voltage power supply HV gives capacitance C1 quick charges by resistance R1, diode Q1, diode Q2, and electric current passes through three poles
Pipe Q1, triode Q2 are amplified, when the voltage at capacitance C1 both ends reaches the operating voltage VCC of IC driving chips（VCC drives to IC
Dynamic chip power supply）, after IC driving chips start, Enable Pin Enable is dragged down, at this moment triode Q1, triode Q2 are turned off,
Start-up circuit completes startup work, into low power consumpting state（Power consumption is HV2/ R1, ignores diode drop）.Voltage stabilizing in figure
The effect of diode D1 starting voltage amplitude limits, protection voltage are no more than the maximum working voltage of IC driving chips.Diode D2 and two
Pole pipe D3 ensures that the voltage of Enable Pin Enable is no more than VCC.
Claims (2)
1. a kind of start-up circuit of quick low-power consumption, it is characterised in that it includes resistance R1 and resistance R2, the resistance R1 and institute
State resistance R2 one end connection high-voltage power supply HV, the base stage of the resistance R1 other end connecting triodes Q1, the cathode of diode D2, institute
The collector for stating triode Q1 connects the resistance R2 other ends, the collector of triode Q2, the emitter of the triode Q2
Connect capacitance C1 one end, the anode of diode D1, power supply VCC, the capacitance C1 other ends and another terminations of diode D1
Ground, the cathode of the anode connection diode D3 of the diode D2, the anode of the diode D3 is the enabled of IC driving chips
End.
2. the start-up circuit of a kind of quick low-power consumption according to claim 1, it is characterised in that the diode D1 is steady
Press diode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711355456.XA CN108023472A (en) | 2017-12-16 | 2017-12-16 | A kind of start-up circuit of quick low-power consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711355456.XA CN108023472A (en) | 2017-12-16 | 2017-12-16 | A kind of start-up circuit of quick low-power consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108023472A true CN108023472A (en) | 2018-05-11 |
Family
ID=62074127
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711355456.XA Withdrawn CN108023472A (en) | 2017-12-16 | 2017-12-16 | A kind of start-up circuit of quick low-power consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108023472A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108174482A (en) * | 2017-12-28 | 2018-06-15 | 无锡昌至盛机械制造有限公司 | A kind of high-voltage starting circuit of supper-fast low-power consumption |
| CN109217665A (en) * | 2018-10-25 | 2019-01-15 | 广州金升阳科技有限公司 | A kind of driving signal enhancing circuit |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202364112U (en) * | 2011-11-20 | 2012-08-01 | 合肥华耀电子工业有限公司 | Starting circuit of control chip of switching-mode power supply |
| CN203574536U (en) * | 2013-09-23 | 2014-04-30 | 深圳科士达科技股份有限公司 | Starting circuit of PWM chip of wide-voltage auxiliary power source |
| CN104124878A (en) * | 2014-07-23 | 2014-10-29 | 上海晶丰明源半导体有限公司 | Power supply module, switch power supply chip and switch power supply system |
| CN105391292A (en) * | 2015-11-18 | 2016-03-09 | 宁德时代新能源科技有限公司 | Low-voltage startup circuit |
| CN206323291U (en) * | 2016-12-19 | 2017-07-11 | 广州视源电子科技股份有限公司 | Starting circuit and switching power supply |
| CN207835348U (en) * | 2017-12-16 | 2018-09-07 | 无锡昌至盛机械制造有限公司 | The start-up circuit of quick low-power consumption |
-
2017
- 2017-12-16 CN CN201711355456.XA patent/CN108023472A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202364112U (en) * | 2011-11-20 | 2012-08-01 | 合肥华耀电子工业有限公司 | Starting circuit of control chip of switching-mode power supply |
| CN203574536U (en) * | 2013-09-23 | 2014-04-30 | 深圳科士达科技股份有限公司 | Starting circuit of PWM chip of wide-voltage auxiliary power source |
| CN104124878A (en) * | 2014-07-23 | 2014-10-29 | 上海晶丰明源半导体有限公司 | Power supply module, switch power supply chip and switch power supply system |
| CN105391292A (en) * | 2015-11-18 | 2016-03-09 | 宁德时代新能源科技有限公司 | Low-voltage startup circuit |
| CN206323291U (en) * | 2016-12-19 | 2017-07-11 | 广州视源电子科技股份有限公司 | Starting circuit and switching power supply |
| CN207835348U (en) * | 2017-12-16 | 2018-09-07 | 无锡昌至盛机械制造有限公司 | The start-up circuit of quick low-power consumption |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108174482A (en) * | 2017-12-28 | 2018-06-15 | 无锡昌至盛机械制造有限公司 | A kind of high-voltage starting circuit of supper-fast low-power consumption |
| CN109217665A (en) * | 2018-10-25 | 2019-01-15 | 广州金升阳科技有限公司 | A kind of driving signal enhancing circuit |
| CN109217665B (en) * | 2018-10-25 | 2024-04-12 | 广州金升阳科技有限公司 | Driving signal enhancing circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180511 |
|
| WW01 | Invention patent application withdrawn after publication |