CN107994634A - One kind is based on waveform delay Current limited Control device and its application method - Google Patents
One kind is based on waveform delay Current limited Control device and its application method Download PDFInfo
- Publication number
- CN107994634A CN107994634A CN201711285108.XA CN201711285108A CN107994634A CN 107994634 A CN107994634 A CN 107994634A CN 201711285108 A CN201711285108 A CN 201711285108A CN 107994634 A CN107994634 A CN 107994634A
- Authority
- CN
- China
- Prior art keywords
- delay
- control device
- chip
- current limited
- limited control
- 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
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000005070 sampling Methods 0.000 claims abstract description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003111 delayed effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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
- H02J7/007—Regulation of charging or discharging current or voltage
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K7/00—Modulating pulses with a continuously-variable modulating signal
- H03K7/08—Duration or width modulation ; Duty cycle modulation
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Pulse Circuits (AREA)
Abstract
The present invention discloses a kind of based on waveform delay Current limited Control device and its application method, controlling of sampling is carried out first, then pulse is produced by PWM, and postpone pulse falling edge, export after the delay, finally control MOS drivings, when postponing pulse falling edge, using delay Current limited Control device, the delay Current limited Control device includes IC chip, two DVM adapters are connected with the pin of the IC chip, delay circuit is also connected with the pin of the IC chip, the delay circuit is made of sequentially connected diode, resistance and capacitance；100% duty cycle should can be reached based on waveform delay Current limited Control device and its application method, perfection is solved the problems, such as without 100% duty cycle chip.
Description
Technical field
Present invention relates particularly to one kind based on waveform delay Current limited Control device and its application method.
Background technology
Applied to lithium battery current-limiting charge field, it is necessary to reach 100% duty cycle, microcontroller scheme is used using scheme,
Response speed does not reach requirement, and reliability is not as good as hardware.And pure hardware version chip is seldom in the stock of market, and all it is high frequency
, it is lost in very big.
The content of the invention
The object of the present invention is to provide one kind can reach 100% duty cycle, and perfection is solved without 100% duty cycle chip
The problem of be delayed Current limited Control device and its application method based on waveform.
In order to solve the above-mentioned technical problem, the technical scheme is that：
One kind is based on waveform delay Current limited Control device, during for postponing pulse falling edge, the delay Current limited Control device
Including IC chip, the IC chip is eight pin chips, wherein at two pins of the IC chip
Two DVM adapters are connected with respectively, and delay circuit, the delay circuit are also connected with the another two pins of the IC chip
It is made of diode, resistance and capacitance, on resistance, the resistance is connected in series the diodes in parallel with capacitance.
Preferably, the model UCC27524D/IRS4427 of the IC chip.
Preferably, a triode is further connected with the delay circuit.
Preferably, the model 2SC8550 of the triode.
Preferably, the wherein two pins of the IC chip are connected with DVMA and DVMB respectively.
Preferably, a wherein pin for the IC chip is connected with ground wire.
Another technical problem to be solved by this invention is a kind of user based on waveform delay Current limited Control device of offer
Method, carries out controlling of sampling first, then produces pulse by PWM, and postpones pulse falling edge, exports after the delay, finally
MOS drivings are controlled, when postponing pulse falling edge, using delay Current limited Control device, when waveform turns off, hardware circuit delay
Certain time, is still not turned off before the output of next waveform.
The beneficial effects of the invention are as follows：The delay circuit being made of D9.R20.C5, when waveform turns off, hardware circuit prolongs
When certain time, next waveform output before be still not turned off so that achieve the purpose that 100% duty cycle output.
Brief description of the drawings
Fig. 1 is the circuit diagram of the present invention；
Fig. 2 is the flow chart of the present invention.
Embodiment
In the present embodiment, it is necessary to which explanation, relational terms such as first and second and the like are used merely to one
A entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operate it
Between there are any actual relationship or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Cover non-exclusive inclusion, so that process, method, article or equipment including a series of elements not only include those
Key element, but also including other elements that are not explicitly listed, or further include as this process, method, article or set
Standby intrinsic key element.
In addition, the connection between component or fixed form if not otherwise specified in this embodiment, it is connected or solid
It can be to be fixed by bolt commonly used in the prior art or pin is fixed to determine mode, or the mode such as axis pin connection, therefore, at this
No longer it is described in detail in embodiment.
Embodiment 1：
As shown in Figs. 1-2, it is a kind of based on waveform delay Current limited Control device, controlling of sampling is carried out first, is then produced by PWM
Raw pulse, and postpone pulse falling edge, export after the delay, finally control MOS drivings, when postponing pulse falling edge,
Using delay Current limited Control device, the delay Current limited Control device includes IC chip, and the IC chip draws for eight
Foot chip, the IC chip are connected with two DVM adapters respectively wherein at two pins, the IC chip
Also be connected with delay circuit at another two pins, the delay circuit is made of diode, resistance and capacitance, the diodes in parallel in
On resistance, the resistance is connected in series with capacitance, the model UCC27524D/IRS4427 of the IC chip, described
A triode is further connected with delay circuit, the model 2SC8550 of the triode, wherein the two of the IC chip draws
Foot is connected with DVMA and DVMB respectively, and a wherein pin for the IC chip is connected with ground wire.
A kind of application method based on waveform delay Current limited Control device, carries out controlling of sampling, is then produced by PWM first
Pulse, and postpone pulse falling edge, export after the delay, finally control MOS drivings, when postponing pulse falling edge, adopt
With delay Current limited Control device, when waveform turns off, hardware circuit delay certain time, does not still have before the output of next waveform
Close.
The technology of the present invention effect major embodiment is in the following areas：The delay circuit being made of D9.R20.C5, turns off in waveform
When, hardware circuit delay certain time, is still not turned off before the output of next waveform, so that it is defeated to reach 100% duty cycle
The purpose gone out.
The above description is merely a specific embodiment, but protection scope of the present invention is not limited thereto, any
The change or replacement expected without creative work, should be covered by the protection scope of the present invention.
Claims (7)
1. one kind is based on waveform delay Current limited Control device, during for postponing pulse falling edge, it is characterised in that：The delay limit
Stream controller includes IC chip, and the IC chip is eight pin chips, and the IC chip is wherein
Two DVM adapters are connected with two pins respectively, delay circuit is also connected with the another two pins of the IC chip, it is described
Delay circuit is made of diode, resistance and capacitance, and the diodes in parallel on resistance, with capacitance connect company by the resistance
Connect.
It is 2. according to claim 1 based on waveform delay Current limited Control device, it is characterised in that：The IC chip
Model UCC27524D/I RS4427.
It is 3. according to claim 1 based on waveform delay Current limited Control device, it is characterised in that：Also connect on the delay circuit
There is a triode.
It is 4. according to claim 1 based on waveform delay Current limited Control device, it is characterised in that：The model of the triode
2SC8550。
It is 5. according to claim 1 based on waveform delay Current limited Control device, it is characterised in that：The IC chip
Wherein two pins are connected with DVMA and DVMB respectively.
It is 6. according to claim 1 based on waveform delay Current limited Control device, it is characterised in that：The IC chip
Wherein a pin is connected with ground wire.
A kind of 7. application method based on waveform delay Current limited Control device, it is characterised in that：Controlling of sampling, Ran Houtong are carried out first
Cross PWM and produce pulse, and postpone pulse falling edge, export after the delay, finally control MOS drivings, make pulse falling edge
During delay, using delay Current limited Control device, when waveform turns off, hardware circuit delay certain time, exported in next waveform
It is preceding to be still not turned off.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711285108.XA CN107994634A (en) | 2017-12-07 | 2017-12-07 | One kind is based on waveform delay Current limited Control device and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711285108.XA CN107994634A (en) | 2017-12-07 | 2017-12-07 | One kind is based on waveform delay Current limited Control device and its application method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107994634A true CN107994634A (en) | 2018-05-04 |
Family
ID=62036701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711285108.XA Pending CN107994634A (en) | 2017-12-07 | 2017-12-07 | One kind is based on waveform delay Current limited Control device and its application method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107994634A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507103A (en) * | 2021-06-18 | 2021-10-15 | 北京卫星制造厂有限公司 | Satellite-borne high-reliability extensible comprehensive power distribution management device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420218A (en) * | 2007-10-26 | 2009-04-29 | 比亚迪股份有限公司 | Method and circuit used for parallel IGBT dynamic flow equalization |
| CN103280189A (en) * | 2013-05-17 | 2013-09-04 | 深圳市华星光电技术有限公司 | LED (Light-Emitting Diode) dimming circuit |
| CN103346678A (en) * | 2013-07-11 | 2013-10-09 | 广州金升阳科技有限公司 | Auxiliary switching tube isolating driver circuit of active clamping flyback circuit |
| CN204168179U (en) * | 2014-09-24 | 2015-02-18 | 佛山市新光宏锐电源设备有限公司 | A kind of high accuracy semi-bridge inversion Drive Protecting Circuit |
| CN104766567A (en) * | 2015-03-18 | 2015-07-08 | 康佳集团股份有限公司 | LED backlight driving circuit and brightness regulating method of LED backlight |
| CN105978302A (en) * | 2016-06-17 | 2016-09-28 | 中国电子科技集团公司第二十四研究所 | PWM pulse time-sequence control circuit |
| US20170170727A1 (en) * | 2014-09-30 | 2017-06-15 | Panasonic Intellectual Property Management Co., Ltd. | Light switch device |
| CN207853499U (en) * | 2017-12-07 | 2018-09-11 | 江苏博强新能源科技股份有限公司 | One kind is based on waveform delay Current limited Control device |
-
2017
- 2017-12-07 CN CN201711285108.XA patent/CN107994634A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101420218A (en) * | 2007-10-26 | 2009-04-29 | 比亚迪股份有限公司 | Method and circuit used for parallel IGBT dynamic flow equalization |
| CN103280189A (en) * | 2013-05-17 | 2013-09-04 | 深圳市华星光电技术有限公司 | LED (Light-Emitting Diode) dimming circuit |
| CN103346678A (en) * | 2013-07-11 | 2013-10-09 | 广州金升阳科技有限公司 | Auxiliary switching tube isolating driver circuit of active clamping flyback circuit |
| CN204168179U (en) * | 2014-09-24 | 2015-02-18 | 佛山市新光宏锐电源设备有限公司 | A kind of high accuracy semi-bridge inversion Drive Protecting Circuit |
| US20170170727A1 (en) * | 2014-09-30 | 2017-06-15 | Panasonic Intellectual Property Management Co., Ltd. | Light switch device |
| CN104766567A (en) * | 2015-03-18 | 2015-07-08 | 康佳集团股份有限公司 | LED backlight driving circuit and brightness regulating method of LED backlight |
| CN105978302A (en) * | 2016-06-17 | 2016-09-28 | 中国电子科技集团公司第二十四研究所 | PWM pulse time-sequence control circuit |
| CN207853499U (en) * | 2017-12-07 | 2018-09-11 | 江苏博强新能源科技股份有限公司 | One kind is based on waveform delay Current limited Control device |
Non-Patent Citations (1)
| Title |
|---|
| 宋慧滨 等: "基于延迟锁定环技术的数字脉宽调制器的设计与实现", 电子器件, vol. 38, no. 2, 30 April 2015 (2015-04-30), pages 328 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113507103A (en) * | 2021-06-18 | 2021-10-15 | 北京卫星制造厂有限公司 | Satellite-borne high-reliability extensible comprehensive power distribution management device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105491730B (en) | A kind of LED lamp with USB interface string control system | |
| CN106538067A (en) | Single live wire electrical switch and method of detecting and controlling load property | |
| CN104571414A (en) | Hot-plug fan power-taking circuit and method in RACK equipment cabinet | |
| US8810165B2 (en) | Fan control system | |
| CN104349532A (en) | LED (Light-Emitting Diode) constant-current driver and LED constant-current driving method | |
| CN107994634A (en) | One kind is based on waveform delay Current limited Control device and its application method | |
| CN207853499U (en) | One kind is based on waveform delay Current limited Control device | |
| CN204759658U (en) | Supervisory circuits based on microwave sensor | |
| CN203072239U (en) | LED power supply possessing independent modules | |
| CN203926092U (en) | Fan control circuitry | |
| CN206658152U (en) | Power supply enables control circuit and has logical device, without logical device supply unit | |
| CN202663088U (en) | Phase sequence recognition control device of electromotor | |
| CN203218868U (en) | Overcurrent cascade protection circuit of IGBT (Insulated Gate Bipolar Translator) | |
| CN201237718Y (en) | Power supply control circuit of single-chip | |
| CN103681094B (en) | A kind of vacuum circuit breaker control circuit and system | |
| CN205375100U (en) | A controller for automatic control | |
| CN104391757B (en) | It is a kind of to prevent the protection circuit and implementation method of sustaining damage | |
| CN206790464U (en) | A kind of casing Power Supply Hot Swap control circuit | |
| CN103078298A (en) | Overcurrent cascade protection circuit of IGBT (Insulated Gate Bipolar Translator) and control method thereof | |
| CN204928098U (en) | Brushless motor driver over -current protection circuit | |
| CN202998032U (en) | Dual-reset circuit | |
| CN207530797U (en) | There is the computer of delays time to control | |
| CN202103592U (en) | Rectification voltage regulator of motorcycle | |
| CN105071348A (en) | Zero-crossing protection circuit for switching power supply | |
| CN208782795U (en) | A kind of general output circuit of controller based on Capacitor apart technology |
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 |