CN206759117U - A kind of portable power source for the band PD agreements for limiting general power - Google Patents
A kind of portable power source for the band PD agreements for limiting general power Download PDFInfo
- Publication number
- CN206759117U CN206759117U CN201720635817.5U CN201720635817U CN206759117U CN 206759117 U CN206759117 U CN 206759117U CN 201720635817 U CN201720635817 U CN 201720635817U CN 206759117 U CN206759117 U CN 206759117U
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- CN
- China
- Prior art keywords
- circuit
- interfaces
- electrically connected
- usbc
- agreements
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of portable power source for the band PD agreements for limiting general power, including microprocessor, step-up/step-down circuit, rechargeable battery, current-limiting circuit, reduction voltage circuit, current feedback circuit, key circuit, LED indicating circuit, voltage feedback circuit, agreement IC, the first isolation circuit, the second isolation circuit, MICROUSB interfaces, USBC interfaces and output interface；Microprocessor is electrically connected with step-up/step-down circuit, current-limiting circuit, current feedback circuit, key circuit, LED indicating circuit, voltage feedback circuit, agreement IC respectively, step-up/step-down circuit is electrically connected with rechargeable battery, reduction voltage circuit and output interface successively, current feedback circuit is electrically connected with output interface, step-up/step-down circuit is electrically connected with by the first isolation circuit and MICROUSB interfaces, step-up/step-down circuit is electrically connected with by the second isolation circuit and USBC interfaces, agreement IC is electrically connected with USBC interfaces, and USBC interfaces are electrically connected with voltage feedback circuit.
Description
Technical field
Portable power source technical field of circuit design is the utility model is related to, particularly a kind of band PD agreements for limiting general power
Portable power source.
Background technology
As technology develops, consumer electronics product performance has obtained significant increase, mobile phone, flat board etc. and has been increasingly becoming people
Necessity, people require more and more higher to the endurance of electronic equipment, and battery capacity is also continuously increased, the charging interval with
It is elongated, this is difficult to receive for many people, and based on this, rapid nitriding arises at the historic moment.
At present, main fast charge is achieved in that：Voltage is constant, improves electric current;Electric current is constant, improves voltage;Voltage, electricity
Stream improves, high pass, MTK, Intel all in the fast charge scheme of leading own standard, QC3.0, MTK PEP, TI MaxCharge,
Fast charge technology with USB PD agreements is widely used in the products such as mobile phone, tablet personal computer, power supply, and wherein USB PD agreements can more prop up
Maximum 100W chargings are held, support that USB Type-c interfaces, can by positive and negative is not differentiated between used in USB PD mobile terminal
High speed data transfer is realized, just gradually substitution Micro interfaces, following USB PD standards will turn into a universal standard.
The use of USB PD consensus standards is mainly AC class products in field of power supplies, portable power source is related to fewer, function
It is single, unidirectional charging can only be realized（UFP）Or electric discharge（DFP）, it can not support to fill and (DRP) can be put, while without common
USBA interfaces, incompatible conventional mobile phone or flat board charging, it is impossible to limit power output and cause product to overheat, influence life of product
And consumer experience.
Utility model content
The technical problems to be solved in the utility model is to be directed to above-mentioned the deficiencies in the prior art, there is provided a kind of limit general power
Portable power source with PD agreements, laid by the hardware configuration of offer to coordinate software to control with realizing more abundant function
Basis.
In order to solve the above technical problems, technical solution adopted in the utility model is：A kind of band PD associations for limiting general power
The portable power source of view, including microprocessor, step-up/step-down circuit, rechargeable battery, current-limiting circuit, reduction voltage circuit, current feedback circuit,
Key circuit, LED indicating circuit, voltage feedback circuit, agreement IC, the first isolation circuit, the second isolation circuit, MICROUSB connect
Mouth, USBC interfaces and output interface；The microprocessor respectively with the step-up/step-down circuit, current-limiting circuit, current feedback circuit,
Key circuit, LED indicating circuit, voltage feedback circuit, agreement IC be electrically connected with, the step-up/step-down circuit successively with the charging
Battery, reduction voltage circuit and output interface are electrically connected with, and the current feedback circuit is electrically connected with output interface, the buck
Circuit is electrically connected with by the first isolation circuit and MICROUSB interfaces, the step-up/step-down circuit by the second isolation circuit with
USBC interfaces are electrically connected with, and the agreement IC is electrically connected with USBC interfaces, the USBC interfaces and the voltage feedback circuit
It is electrically connected with.
In above-mentioned technical proposal, the output interface is USBA interfaces.
In above-mentioned technical proposal, the microprocessor is SN8F5708 integrated chips.
In above-mentioned technical proposal, the step-up/step-down circuit is SC8802 integrated chips.
In above-mentioned technical proposal, the agreement IC is CYPD2134 integrated chips.
The beneficial effects of the utility model are：High-voltage large current discharge and recharge is realized by using step-up/step-down circuit, is used
Support the IC of PD agreements to carry out data acquisition, and the data feedback collected to microprocessor, microprocessor processes correlation are believed
With agreement IC two-way communications after the heart, management of charging and discharging is carried out automatically；Microprocessor is by current/voltage feedback circuit to each USB
Interface carries out the monitoring of voltage x current, to limit the output of general power.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2-8 is particular circuit configurations schematic diagram of the present utility model.
In figure, 1, MICROUSB interfaces；2nd, the first isolation circuit；3rd, the second isolation circuit；4th, USBC interfaces；5th, agreement
IC；6th, voltage feedback circuit；7th, step-up/step-down circuit；8th, microprocessor；9th, LED indicating circuit；10th, current-limiting circuit；11st, button electricity
Road；12nd, reduction voltage circuit；13rd, current feedback circuit；14th, rechargeable battery；15th, output interface.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in figures 1-8, a kind of portable power source for the band PD agreements for limiting general power, including microprocessor 8, step-up/step-down circuit
7th, rechargeable battery 14, current-limiting circuit 10, reduction voltage circuit 12, current feedback circuit 13, key circuit 11, LED indicating circuit 9, electricity
Press feedback circuit 6, agreement IC5, the first isolation circuit 2, the second isolation circuit 3, MICROUSB interfaces 1, USBC interfaces 4 and output
Interface 15；The microprocessor 8 respectively with the step-up/step-down circuit 7, current-limiting circuit 10, current feedback circuit 13, key circuit
11st, LED indicating circuit 9, voltage feedback circuit 6, agreement IC5 are electrically connected with, and the step-up/step-down circuit 7 is electric with the charging successively
Pond 14, reduction voltage circuit 12 and output interface 15 are electrically connected with, and the current feedback circuit 13 is electrically connected with output interface 15, institute
State step-up/step-down circuit 7 to be electrically connected with by the first isolation circuit 2 and MICROUSB interfaces 1, the step-up/step-down circuit 7 passes through second
Isolation circuit 3 and USBC interfaces 4 are electrically connected with, and the agreement IC5 and USBC interfaces 4 are electrically connected with, the USBC interfaces 4 and institute
Voltage feedback circuit 6 is stated to be electrically connected with.
Wherein, the output interface 15 is USBA interfaces.
Wherein, the microprocessor 8 is SN8F5708 integrated chips.
Wherein, the step-up/step-down circuit 7 is SC8802 integrated chips.
Wherein, the agreement IC5 is CYPD2134 integrated chips.
When there is equipment to insert USBC interfaces 4, linked up by interface cc pin and agreement IC5, if it is power supply to detect
Equipment, then the PDO of adapter is read, selects that group of ceiling voltage, and information is fed back into microprocessor 8 by I2C, by micro-
Processor 8 controls the second isolation circuit 3 to open, and enabled step-up/step-down circuit 7, sets corresponding electric current to be charged.If detect
It is electrical equipment to measure, then electrical equipment can choose automatically portable power source broadcast PDO (have five groups, be fixed as 5V3A, 9V3A,
12V2.4A, 15V2A, 20V1.5A), agreement IC5 reads the voltage x current of equipment selection, and is enabled together with microprocessor 8
Corresponding voltage output, such electrical equipment can are charged with the parameter coordinated.Both can conduct if detecting equipment
Power supply unit can be used as electrical equipment again, then supplier of electricity and be all random by electricity side, if random result is not intended to
Want, then role can be switched over the button 2S in long-press key circuit 11.
When USBC interfaces 4 have equipment, now insertion MICROUSB interfaces 1 charge, then it is invalid to charge, USBC priority
Height, after microprocessor 8 detects that the equipment of USBC interfaces 4 removes, the first isolation circuit 2 is automatically opened up, enables lifting piezoelectricity
Charge on road 7.
When there is equipment to insert output interface 15, microprocessor 8 enables reduction voltage circuit 12 and load is discharged, not open close
The electric current of the detection output of overcurrent feedback circuit 13, if the output general power of USBC interfaces and USBA interfaces exceedes certain value
When, power limit can be triggered, microprocessor 8 can export the pwm signal of certain dutycycle by the control decompression electricity of current-limiting circuit 10
Road 7 is fed back, and promotes the electric current of output to decline, and is reduced when general power, and the dutycycle that and can reduces pwm signal exports electricity to improve
Stream, maintain general power constant.
Embodiment above simply indicates that rather than limited the utility model, therefore all according to the utility model patent application
The equivalent change or modification that method described in scope is done, it is included in the utility model patent application range.
Claims (5)
- A kind of 1. portable power source for the band PD agreements for limiting general power, it is characterised in that：Including microprocessor, step-up/step-down circuit, fill Battery, current-limiting circuit, reduction voltage circuit, current feedback circuit, key circuit, LED indicating circuit, voltage feedback circuit, agreement IC, the first isolation circuit, the second isolation circuit, MICROUSB interfaces, USBC interfaces and output interface；The microprocessor difference With the step-up/step-down circuit, current-limiting circuit, current feedback circuit, key circuit, LED indicating circuit, voltage feedback circuit, agreement IC is electrically connected with, and the step-up/step-down circuit is electrically connected with the rechargeable battery, reduction voltage circuit and output interface successively, the electricity Current feedback circuit is electrically connected with output interface, and the step-up/step-down circuit is electrical by the first isolation circuit and MICROUSB interfaces Connection, the step-up/step-down circuit are electrically connected with by the second isolation circuit and USBC interfaces, the agreement IC and USBC interfaces electricity Property connection, the USBC interfaces and the voltage feedback circuit are electrically connected with.
- A kind of 2. portable power source of band PD agreements for limiting general power according to claim 1, it is characterised in that：The output Interface is USBA interfaces.
- A kind of 3. portable power source of band PD agreements for limiting general power according to claim 1, it is characterised in that：Micro- place Reason device is SN8F5708 integrated chips.
- A kind of 4. portable power source of band PD agreements for limiting general power according to claim 1, it is characterised in that：The lifting Volt circuit is SC8802 integrated chips.
- A kind of 5. portable power source of band PD agreements for limiting general power according to claim 1, it is characterised in that：The agreement IC is CYPD2134 integrated chips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720635817.5U CN206759117U (en) | 2017-06-03 | 2017-06-03 | A kind of portable power source for the band PD agreements for limiting general power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720635817.5U CN206759117U (en) | 2017-06-03 | 2017-06-03 | A kind of portable power source for the band PD agreements for limiting general power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206759117U true CN206759117U (en) | 2017-12-15 |
Family
ID=60620729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720635817.5U Expired - Fee Related CN206759117U (en) | 2017-06-03 | 2017-06-03 | A kind of portable power source for the band PD agreements for limiting general power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206759117U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980715A (en) * | 2017-12-28 | 2019-07-05 | 佳能株式会社 | The electronic equipment and its method of electric power are received from power supply unit |
-
2017
- 2017-06-03 CN CN201720635817.5U patent/CN206759117U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109980715A (en) * | 2017-12-28 | 2019-07-05 | 佳能株式会社 | The electronic equipment and its method of electric power are received from power supply unit |
| CN109980715B (en) * | 2017-12-28 | 2024-02-02 | 佳能株式会社 | Electronic device for receiving power from power supply apparatus and method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 |