CN204858971U - Built -in ADC control unit's control integrated circuit that steps up in step - Google Patents
Built -in ADC control unit's control integrated circuit that steps up in step Download PDFInfo
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- CN204858971U CN204858971U CN201520592575.7U CN201520592575U CN204858971U CN 204858971 U CN204858971 U CN 204858971U CN 201520592575 U CN201520592575 U CN 201520592575U CN 204858971 U CN204858971 U CN 204858971U
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- 238000001514 detection method Methods 0.000 claims abstract description 22
- 230000001360 synchronised effect Effects 0.000 claims abstract description 13
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 5
- 230000010354 integration Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000010355 oscillation Effects 0.000 abstract 2
- 238000005070 sampling Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Abstract
The utility model provides a built -in ADC control unit's control integrated circuit that steps up in step, go up electric reset circuit and connect oscillation circuit, oscillation circuit is connected to logical operation control circuit, logical operation control circuit connects gradually the PWM output driver circuit, built -in MOS circuit, output detection circuitry steps up, built -in ADC the control unit, logical operation control circuit and built -in ADC the control unit both way junction, the outside lithium battery voltage signal vin of input detection circuitry sampling steps up, input logical operation control circuit, output current detection circuitry will overflow testing result CS input logical operation control circuit. The utility model discloses a built -in MOS circuit, synchronous boost control only need minute quantity peripheral device can realize portable power source high conversion efficiency output, save peripheral device cost and manufacturing cost in a large number.
Description
Technical field
The utility model relates to a kind of charging circuit, especially a kind of synchronous boost control integration circuit of built-in ADC control unit.
Background technology
Flourish along with smart mobile phone, intelligent use various cell phone entertainment occupies people's more time, thus has had the demand of higher level to battery of mobile phone.Lithium battery capacity constantly promotes, and still can not meet the demand of people, and the appearance of portable power source solves this problem well.At present, most of portable power source is all use outside MOS circuit, coordinates the complex scenario of the asynchronous pressure boosting management of people rectifier diode, and boosting efficiency is not high and need expensive peripheral components cost and production cost.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of synchronous boost control integration circuit of built-in ADC control unit, adopts built-in MOS circuit, synchronous boost to control, and improves boosting efficiency, reduces circuit cost.
In order to solve the problems of the technologies described above, the technical solution of the utility model is:
A synchronous boost control integration circuit for built-in ADC control unit, comprises logical operation control circuit, built-in ADC control unit, PWM output driving circuit, built-in MOS circuit, electrify restoration circuit, oscillating circuit and boosting input detecting circuit, boosting output detection circuit, output current detection circuit; Electrify restoration circuit connects oscillating circuit, oscillating circuit is connected to logical operation control circuit, logical operation control circuit connects PWM output driving circuit, built-in MOS circuit, boosting output detection circuit, built-in ADC control unit successively, and logical operation control circuit and built-in ADC control unit are bi-directionally connected.
Described built-in MOS circuit comprises a nmos circuit and a PMOS circuit, and PWM output driving circuit drives the grid of PMOS and NMOS respectively, and logical operation control circuit makes dead zone function to built-in MOS circuit.
Described built-in ADC control unit is 12 ADC.
Boosting input detecting circuit is sampled outside lithium battery voltage signal Vin, input arithmetic logic control circuit; Output current detection circuit is by over-current detection result CS input arithmetic logic control circuit.
The utility model adopts built-in MOS circuit, synchronous boost to control, logical operation control circuit comprehensively analyzes signal, the signal of boosting input detecting circuit feedback, the signal of output current detection circuit feedback of ADC control circuit feedback, determines the duty ratio that current PWM exports.Logical operation control circuit controls built-in MOS circuit by PWM output driving circuit, the duty ratio regulating PWM to export, and only needs minute quantity peripheral components can realize portable power source high conversion efficiency and exports, a large amount of saving peripheral components cost and production cost.
Accompanying drawing explanation
Fig. 1 is general diagram of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
A kind of synchronous boost control integration circuit of built-in ADC control unit, as shown in Figure 1, logical operation control circuit, built-in ADC control unit, PWM output driving circuit, built-in MOS circuit, electrify restoration circuit, oscillating circuit and boosting input detecting circuit, boosting output detection circuit, output current detection circuit is comprised; Electrify restoration circuit connects oscillating circuit, oscillating circuit is connected to logical operation control circuit, logical operation control circuit connects PWM output driving circuit, built-in MOS circuit, boosting output detection circuit, built-in ADC control unit successively, and logical operation control circuit and built-in ADC control unit are bi-directionally connected.
Electrify restoration circuit provides reset signal for logical operation control circuit; Oscillating circuit is that reference clock carried by logical operation control circuit, as the time base of the various signal of logical operation control circuit process.
Boosting output signal VOUT is fed back to ADC control unit by boosting output detection circuit.During charging, charging voltage and charging current are fed back to logical operation control circuit by ADC control unit; During electric discharge, discharge voltage and discharging current are fed back to logical operation control circuit by ADC control circuit.Boosting input detecting circuit is sampled outside lithium battery voltage signal Vin, input arithmetic logic control circuit; Output current detection circuit is by over-current detection result CS input arithmetic logic control circuit.
Logical operation control circuit comprehensively analyzes signal, the signal of boosting input detecting circuit feedback, the signal of output current detection circuit feedback of ADC control circuit feedback, determines the duty ratio that current PWM exports.Logical operation control circuit controls built-in MOS circuit by PWM output driving circuit, regulates the duty ratio that PWM exports.
The above is only preferred implementation of the present utility model, and those skilled in the art are under the prerequisite not departing from spirit of the present utility model and design, and the oher improvements and changes made, all belong to protection range of the present utility model.
Claims (5)
1. a synchronous boost control integration circuit for built-in ADC control unit, is characterized in that: comprise logical operation control circuit, built-in ADC control unit, PWM output driving circuit, built-in MOS circuit, electrify restoration circuit, oscillating circuit and boosting input detecting circuit, boosting output detection circuit, output current detection circuit; Electrify restoration circuit connects oscillating circuit, oscillating circuit is connected to logical operation control circuit, logical operation control circuit connects PWM output driving circuit, built-in MOS circuit, boosting output detection circuit, built-in ADC control unit successively, and logical operation control circuit and built-in ADC control unit are bi-directionally connected.
2. the synchronous boost control integration circuit of built-in ADC control unit according to claim 1, it is characterized in that: built-in MOS circuit comprises a nmos circuit and a PMOS circuit, PWM output driving circuit drives the grid of PMOS and NMOS respectively, and logical operation control circuit makes dead zone function to built-in MOS circuit.
3. the synchronous boost control integration circuit of built-in ADC control unit according to claim 1, is characterized in that: boosting input detecting circuit is sampled outside lithium battery voltage signal Vin, input arithmetic logic control circuit; Output current detection circuit is by over-current detection result CS input arithmetic logic control circuit.
4. the synchronous boost control integration circuit of built-in ADC control unit according to claim 1, it is characterized in that: logical operation control circuit comprehensively analyzes signal, the signal of boosting input detecting circuit feedback, the signal of output current detection circuit feedback of ADC control circuit feedback, determines the duty ratio that current PWM exports.
5. the synchronous boost control integration circuit of built-in ADC control unit according to claim 1, is characterized in that: built-in ADC control unit is 12 ADC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592575.7U CN204858971U (en) | 2015-08-07 | 2015-08-07 | Built -in ADC control unit's control integrated circuit that steps up in step |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592575.7U CN204858971U (en) | 2015-08-07 | 2015-08-07 | Built -in ADC control unit's control integrated circuit that steps up in step |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204858971U true CN204858971U (en) | 2015-12-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520592575.7U Active CN204858971U (en) | 2015-08-07 | 2015-08-07 | Built -in ADC control unit's control integrated circuit that steps up in step |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204858971U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865273A (en) * | 2021-01-20 | 2021-05-28 | 高鸣源 | Turnout connecting pin vibration energy collecting circuit, module and system |
-
2015
- 2015-08-07 CN CN201520592575.7U patent/CN204858971U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112865273A (en) * | 2021-01-20 | 2021-05-28 | 高鸣源 | Turnout connecting pin vibration energy collecting circuit, module and system |
| CN112865273B (en) * | 2021-01-20 | 2023-09-12 | 成都铁工科技有限公司 | Switch connecting pin vibration energy collection circuit, module and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231020 Address after: 518000 706, Zhonghua science and technology building, Guangxia Road, shangmeilin, Futian District, Shenzhen, Guangdong Province Patentee after: Shenzhen Zhihua Technology Co.,Ltd. Address before: Room 801, 802, 807, and 808, Building 6, Optics Valley International Headquarters, No. 62 Optics Valley Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province, 430000 Patentee before: WUHAN ESHINE-IC TECHNOLOGY Co.,Ltd. |