CN203071663U - Wireless charging circuit - Google Patents
Wireless charging circuit Download PDFInfo
- Publication number
- CN203071663U CN203071663U CN2013200070486U CN201320007048U CN203071663U CN 203071663 U CN203071663 U CN 203071663U CN 2013200070486 U CN2013200070486 U CN 2013200070486U CN 201320007048 U CN201320007048 U CN 201320007048U CN 203071663 U CN203071663 U CN 203071663U
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- charging
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Abstract
The utility model provides a wireless charging circuit comprising a charging emission module and a charging receiving module, wherein the charging emission module comprises an oscillating circuit, an emission trigger circuit and an emission coil; and the oscillating circuit uses an XKT-408 chip. A trigger pin of the chip is connected with a reset terminal of the emission trigger circuit, and a detection pin of the chip is connected with a function adjustment pin. Two ends of the emission coil are respectively connected with a power supply and an output terminal of a drain electrode open circuit of the emission trigger circuit. The charging receiving module comprises a receiving coil, a rectification circuit and a charging protection circuit successively connected with each other. The wireless charging circuit has a simple structure. When wireless charging signals are received in the charging circuit, the XKT-408 chip is responsible for processing a wireless electric-energy transmission function in a system, adopting an electromagnetic-energy conversion principle and matching with the charging receiving module to perform real time monitoring of energy conversion and the charging protection circuit. The wireless charging circuit only matches with few external components and high-reliability wireless rapid-charging electricity supplying devices can be manufactured.
Description
Technical field
The utility model relates to a kind of charging control circuit, specially refers to a kind of wireless charging control circuit.
Background technology
In general small charger, usually in the time between the distance of 5mm, will continuing to export 5V voltage and 500mA electric current, through can obviously feeling in measuring and calculating and the usual life use, the employed chip of its circuit has the lifting of higher temperature, and in the low current charge operational environment, its transmission range also is subjected to certain restriction, thereby can't satisfy the charging demand of on the market little electronic product, if use the chip of higher price can reach ideal effect certainly, yet, based on cost and the accuracy that puts goods on the market, use the chip quality stable performance, remove debugging work from, the wide circuit design of operating voltage haves much room for improvement.
The utility model content
At the problems referred to above, it is a kind of simple in structure that the utility model provides, and device is less, and wiring is simple, realizes the radio control circuit of charge function easily.
Be achieved through the following technical solutions above-mentioned purpose:
A kind of wireless charging circuit, comprise charging transmitter module and charging receiver module, described charging transmitter module comprises oscillating circuit, emission circuits for triggering and transmitting coil, described oscillating circuit uses the XKT-408 chip, the triggering pin of chip connects the reset terminal of described emission circuits for triggering, the detection pin linkage function of chip is regulated pin, and described transmitting coil two ends connect the open-drain output of power supply and emission circuits for triggering respectively; Described charging receiver module comprises receiving coil, rectification circuit and the charge protector that connects successively; described rectification circuit comprises the Schottky rectifier diode, and the Schottky rectifier diode is connected between the control chip T-3168 input pin in receiving coil and the rectification circuit.
Further, be connected with first inductance between the output pin of the power input of described charge protector and control chip T-3168.
Further, connect the negative electrode of power supply indication diode between the power input of described first inductance and charge protector, the anode of power supply indication diode connects the charging trigger end of charge protector.
The beneficial effects of the utility model are: simple in structure, use the XKT-408 chip in the charging circuit when receiving the wireless charging signal, be responsible in order to handle the wireless power transmission function in this system, adopt the electromagnetic energy transfer principle and cooperate the charging receiver module to do the real-time monitoring of power conversion and charge protector; Can see that from the connecting circuit structure it needs to cooperate few outer member just can make highly reliable wireless quick charge, power supply device.
Description of drawings
Fig. 1 is charging transmitter module circuit connection diagram of the present utility model;
Fig. 2 is that charging of the present utility model receives the modular circuit connection layout.
Embodiment
Below in conjunction with accompanying drawing the present invention is further specified:
See figures.1.and.2, a kind of wireless charging circuit, comprise charging transmitter module and charging receiver module, described charging transmitter module comprises oscillating circuit, emission circuits for triggering and transmitting coil L1, described oscillating circuit uses the XKT-408 chip, the triggering pin FB of chip connects the reset terminal CS of described emission circuits for triggering, the detection pin RF linkage function of chip is regulated pin FB1, and described transmitting coil two ends connect the open-drain output DRAIN (the open-drain output of emission circuits for triggering is provided with two) of power supply VCC1 and emission circuits for triggering respectively; Described charging receiver module comprises receiving coil L2, rectification circuit and the charge protector that connects successively; described rectification circuit comprises Schottky rectifier diode D1 and control chip T-3168, and Schottky rectifier diode D1 is connected between receiving coil L2 and the control chip T-3168 input pin Vin.
Further, be connected with first inductance L 3 between the output pin Vout of the power input VCC2 of described charge protector and control chip T-3168.
Further, connect the negative electrode of power supply indication diode D3 between the power input VCC2 of described first inductance L 3 and charge protector, the anode of power supply indication diode D3 connects the charging trigger end CHRG of charge protector.
The above is not that this novel technical scope is imposed any restrictions, and all any modification, equivalent variations and modifications of above embodiment being done according to the utility model technical spirit all still belong in the scope of this novel technical scheme.
Claims (3)
1. wireless charging circuit, comprise charging transmitter module and charging receiver module, it is characterized in that: described charging transmitter module comprises oscillating circuit, emission circuits for triggering and transmitting coil, described oscillating circuit uses the XKT-408 chip, the triggering pin of chip connects the reset terminal of described emission circuits for triggering, the detection pin linkage function of chip is regulated pin, and described transmitting coil two ends connect the open-drain output of power supply and emission circuits for triggering respectively; Described charging receiver module comprises receiving coil, rectification circuit and the charge protector that connects successively; described rectification circuit comprises the Schottky rectifier diode, and the Schottky rectifier diode is connected between the control chip T-3168 input pin in receiving coil and the rectification circuit.
2. wireless charging circuit according to claim 1 is characterized in that: be connected with first inductance between the output pin of the power input of described charge protector and control chip T-3168.
3. wireless charging circuit according to claim 2; it is characterized in that: connect the negative electrode of power supply indication diode between the power input of described first inductance and charge protector, the anode of power supply indication diode connects the charging trigger end of charge protector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200070486U CN203071663U (en) | 2013-01-06 | 2013-01-06 | Wireless charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200070486U CN203071663U (en) | 2013-01-06 | 2013-01-06 | Wireless charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203071663U true CN203071663U (en) | 2013-07-17 |
Family
ID=48770413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200070486U Expired - Lifetime CN203071663U (en) | 2013-01-06 | 2013-01-06 | Wireless charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203071663U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300592A (en) * | 2013-12-29 | 2015-01-21 | 新疆信息产业有限责任公司 | Transceiver based on T5336 and C-class amplification circuit |
| CN109818381A (en) * | 2017-11-18 | 2019-05-28 | 长沙鲁维湘机电科技有限公司 | A kind of low-power wireless charger |
-
2013
- 2013-01-06 CN CN2013200070486U patent/CN203071663U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300592A (en) * | 2013-12-29 | 2015-01-21 | 新疆信息产业有限责任公司 | Transceiver based on T5336 and C-class amplification circuit |
| CN109818381A (en) * | 2017-11-18 | 2019-05-28 | 长沙鲁维湘机电科技有限公司 | A kind of low-power wireless charger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130717 |
|
| CX01 | Expiry of patent term |