CN215267744U - High-reliability gallium nitride wall charger - Google Patents
High-reliability gallium nitride wall charger Download PDFInfo
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- CN215267744U CN215267744U CN202121368573.1U CN202121368573U CN215267744U CN 215267744 U CN215267744 U CN 215267744U CN 202121368573 U CN202121368573 U CN 202121368573U CN 215267744 U CN215267744 U CN 215267744U
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- 229910002601 GaN Inorganic materials 0.000 title claims abstract description 48
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 title claims abstract description 46
- 230000005669 field effect Effects 0.000 claims description 30
- 238000001914 filtration Methods 0.000 claims description 15
- 239000003990 capacitor Substances 0.000 claims description 12
- 230000001360 synchronised effect Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000025274 Lightning injury Diseases 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a high reliability gallium nitride wall fills, including alternating current input filter circuit, rectifier filter circuit, high-speed gallium nitride switch circuit, planar transformer and output rectifier filter circuit and power intelligence distribution and intelligent Mobile device charging identification circuit, alternating current input filter circuit passes through rectifier filter circuit respectively with high-speed gallium nitride switch circuit and planar transformer and output rectifier filter circuit electric connection. The utility model discloses a high reliability gallium nitride wall fills, it discerns and manages battery charging outfit through AC input filter circuit, rectification filter circuit, high-speed gallium nitride switch circuit, planar transformer and output rectification filter circuit and power intelligence distribution and intelligent Mobile device charging identification circuit to make the efficient charging of many battery charging outfits.
Description
Technical Field
The utility model belongs to the technical field of the wall fills, concretely relates to high reliability gallium nitride wall fills.
Background
With the increasing power consumption of smart mobile devices, people are not away from these smart devices all the time. On the way of going on business and going to work, the situation that the intelligent mobile equipment is insufficient in power always occurs. The traditional wall charging switch power supply is very large in size and low in charging speed, various mobile devices such as smart phones and notebook computers cannot be charged at the same time, various charging devices cannot be identified, and power matched with the charging devices cannot be distributed, so that the charging efficiency is low.
Therefore, the above problems are further improved.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide a high reliability gallium nitride wall fills, it discerns and manages battery charging outfit through alternating current input filter circuit, rectification filter circuit, high-speed gallium nitride switch circuit, planar transformer and output rectification filter circuit and power intelligence distribution and intelligent Mobile device charging identification circuit to make the efficient charging of many battery charging outfits.
Another object of the utility model is to provide a high reliability gallium nitride wall fills, it carries out the modularized design with each circuit, have the interference of each module of avoiding and can improve the stability that the wall filled, optimize the transmission path of heat and improve the power density of whole wall charging source, improve safety regulation design grade and let the power accord with national safety certification more easily, can realize that the output fills advantages such as ability of many intelligent Mobile device simultaneously.
Another object of the utility model is to provide a high reliability gallium nitride wall fills, it has power density height, longe-lived, can relevant smart machine of automatic identification and the advantage of the charging power of distribution demand.
In order to achieve the above object, the utility model provides a high reliability gallium nitride wall fills, including exchanging input filter circuit, rectifier filter circuit, high-speed gallium nitride switch circuit, planar transformer and output rectifier filter circuit and power intelligence distribution and intelligent Mobile device charging identification circuit, wherein:
the alternating current input filter circuit is electrically connected with the high-speed gallium nitride switch circuit and the output rectifying filter circuit through the rectifying filter circuit respectively, and is used for filtering clutter from input commercial power and filtering interference clutter generated by the high-speed gallium nitride switch circuit;
the intelligent power distribution and intelligent mobile equipment charging identification circuit is electrically connected with the planar transformer and the output rectifying and filtering circuit, and the intelligent power distribution and intelligent mobile equipment charging identification circuit is used for identifying the number of the charging equipment and obtaining the charging requirements of the charging equipment (so as to realize automatic power distribution).
As a further preferable technical solution of the above technical solution, the high-speed gallium nitride switching circuit includes a controller U3 and a gallium nitride power chip Q4, a pin 7 of the controller U3 is electrically connected (PWM signal) to a pin 2 of the gallium nitride power chip Q4 through a resistor R26, a pin 1 of the gallium nitride power chip Q4 is electrically grounded through a resistor R12, a field effect transistor Q3, a diode D4, a resistor R14 and a transformer T1C in sequence, a source of the field effect transistor Q3 is electrically connected to the transformer TIC through a diode D5 and a resistor R20 in sequence, a capacitor C9 and a diode ZD1 are connected between a source and a gate of the field effect transistor Q3, and a capacitor C10 is connected in parallel to both ends of the capacitor C9;
the transformer T1C is further grounded through a resistor R23, a resistor R25 and a resistor R35 in sequence, two ends of the resistor R25 are connected in parallel with a diode D6, and a common terminal of the resistor R25 and the resistor R35 is electrically connected to the 4-pin of the controller U3 (in a high-speed gallium nitride switch circuit, a control circuit including the controller U3 adopts a high-frequency control circuit, and in cooperation with a gallium nitride switch device (Q4) capable of realizing high-frequency switching, the transformer used in the whole system can be miniaturized).
As a further preferable technical solution of the above technical solution, the planar transformer and output rectifying and filtering circuit includes a synchronous rectifying controller U1 and a charging interface J1, a 1 pin of the synchronous rectifying controller is electrically connected to a gate of a field-effect transistor Q2 through a resistor R9, a drain of the field-effect transistor Q2 is electrically connected to a transformer T1A (6 pin), a capacitor C5 and a resistor R5 are connected between a drain and a source of the field-effect transistor Q2, and the transformer T1A (7 pin) is electrically connected to a VBUS terminal of the charging interface J1 through the resistor R3 and the field-effect transistor Q1 in sequence (a planar transformer is used, a synchronous rectifying technology is used, high-frequency solid-state electrolysis is used, and the three technologies are matched to further reduce a volume of a wall charging source, so that efficiency is higher than that of a common wall.
As a further preferable technical solution of the above technical solution, the power intelligent distribution and intelligent mobile device charging identification circuit includes a power management chip U7, an identification chip U6, and a power management chip U5 (having a fast charging protocol), wherein:
a 31 pin of the power management chip U5 is electrically connected with one end of the resistor R3 far away from the field effect transistor Q1, a 30 pin of the power management chip U5 is electrically connected with one end of the resistor R3 close to the field effect transistor Q1, and a 29 pin of the power management chip U5 is electrically connected with a gate of the field effect transistor Q1;
the identification chip U6 is electrically connected with a connecting unit USB-A, the 3 pin of the identification chip U6 is electrically connected with the 18 pin of the power management chip U7, the 5 pin of the identification chip U6 is grounded sequentially through a resistor R44, a resistor R43 and a resistor R46, and the common end of the resistor R43 and the resistor R46 is electrically connected with the 15 pin of the power management chip U5;
the 5 pins of power management chip U7 with the 9 pins electric connection of power management chip U5, the 6 pins of power management chip U7 with the 8 pins electric connection of power management chip U5 (can intelligent identification be an intelligent mobile device, still two intelligent mobile devices charge, the wall charge source can be according to the required demand of charging of mobile intelligent device, carries out automatic power distribution).
As a further preferred technical solution of the above technical solution, the ac input filter circuit includes an input terminal L2 and an input terminal N1, the input terminal L2 is electrically connected to the inductor L4 through a fuse F1 and an inductor L3 in sequence, and the input terminal N1 is electrically connected to the inductor L4 through an inductor L3 in sequence (to filter ac mains supply input interference noise, to improve the anti-interference capability of the wall charger, and to filter the gallium nitride switch circuit, to generate interference noise, so that the electromagnetic compatibility of the wall charger satisfies national regulations).
As a further preferable technical solution of the above technical solution, the rectifier filter circuit includes a rectifier bridge BD1 and a rectifier bridge BD2 that are connected in parallel, the rectifier bridge BD1 is electrically connected to the 2 pins (first output end) of the inductor L4, the rectifier bridge BD2 is electrically connected to the 3 pins (second output end) of the inductor L4, and the rectifier bridge BD1 and the rectifier bridge BD2 are both electrically connected to the transformer T1A through the inductor L1 (two rectifier bridges are connected in parallel, so as to reduce conduction loss of the rectifier bridge and improve lightning strike capability of the rectifier bridge, thereby improving efficiency and ensuring reliability of the wall charging source).
Drawings
Fig. 1 is a schematic diagram of the ac input filter circuit and the rectifying filter circuit of the high reliability gan wall charger of the present invention.
Fig. 2 is a circuit diagram of the high-speed gan switch of the high-reliability gan wall-mounted gan switch of the present invention.
Fig. 3 is a circuit diagram of the planar transformer and the output rectifying filter of the high reliability gan wall charger of the present invention.
Fig. 4 is the utility model discloses a power intelligence distribution and intelligent mobile device charging identification circuit diagram that high reliability gallium nitride wall was filled.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.
In the preferred embodiment of the present invention, those skilled in the art should note that the charging device and the utility power, etc. related to the present invention can be regarded as the prior art.
Preferred embodiments.
The utility model discloses a high reliability gallium nitride wall fills, including alternating current input filter circuit, rectification filter circuit, high-speed gallium nitride switch circuit, planar transformer and output rectification filter circuit and power intelligence distribution and intelligent Mobile device charging identification circuit, wherein:
the alternating current input filter circuit is electrically connected with the high-speed gallium nitride switch circuit and the output rectifying filter circuit through the rectifying filter circuit respectively, and is used for filtering clutter from input commercial power and filtering interference clutter generated by the high-speed gallium nitride switch circuit;
the intelligent power distribution and intelligent mobile equipment charging identification circuit is electrically connected with the planar transformer and the output rectifying and filtering circuit, and the intelligent power distribution and intelligent mobile equipment charging identification circuit is used for identifying the number of the charging equipment and obtaining the charging requirements of the charging equipment (so as to realize automatic power distribution).
Specifically, the high-speed gallium nitride switching circuit comprises a controller U3 and a gallium nitride power chip Q4, wherein a 7 pin of the controller U3 is electrically connected (PWM signal) with a 2 pin of the gallium nitride power chip Q4 through a resistor R26, a 1 pin of the gallium nitride power chip Q4 is grounded through a resistor R12, a field-effect tube Q3, a diode D4, a resistor R14 and a transformer T1C in sequence, a source of the field-effect tube Q3 is electrically connected with the transformer TIC through the diode D5 and the resistor R20 in sequence, a capacitor C9 and a diode ZD1 are connected between the source and a gate of the field-effect tube Q3, and two ends of the capacitor C9 are connected with a capacitor C10 in parallel;
the transformer T1C is further grounded through a resistor R23, a resistor R25 and a resistor R35 in sequence, two ends of the resistor R25 are connected in parallel with a diode D6, and a common terminal of the resistor R25 and the resistor R35 is electrically connected to the 4-pin of the controller U3 (in a high-speed gallium nitride switch circuit, a control circuit including the controller U3 adopts a high-frequency control circuit, and in cooperation with a gallium nitride switch device (Q4) capable of realizing high-frequency switching, the transformer used in the whole system can be miniaturized).
Preferably, the 5 pins of the gallium nitride power chip Q4 are electrically connected to the inductor L1 and the transformer T1A respectively
More specifically, the planar transformer and output rectifying and filtering circuit comprises a synchronous rectifying controller U1 and a charging interface J1, wherein 1 pin of the synchronous rectifying controller is electrically connected with a gate of a field-effect transistor Q2 through a resistor R9, a drain of the field-effect transistor Q2 is electrically connected with a transformer T1A (6 pin), a capacitor C5 and a resistor R5 are connected between a drain and a source of the field-effect transistor Q2, and the transformer T1A (7 pin) is electrically connected with a VBUS end of the charging interface J1 through the resistor R3 and the field-effect transistor Q1 in sequence (the planar transformer is adopted, the synchronous rectifying technology is adopted, high-frequency solid electrolysis is used, and the three technologies are matched, so that the volume of a wall charging source can be further reduced, and the efficiency is higher than that of a common wall.
Further, the power intelligent distribution and intelligent mobile device charging identification circuit includes a power management chip U7, an identification chip U6 and a power management chip U5 (having a fast charging protocol), wherein:
a 31 pin of the power management chip U5 is electrically connected with one end of the resistor R3 far away from the field effect transistor Q1, a 30 pin of the power management chip U5 is electrically connected with one end of the resistor R3 close to the field effect transistor Q1, and a 29 pin of the power management chip U5 is electrically connected with a gate of the field effect transistor Q1;
the identification chip U6 is electrically connected with a connecting unit USB-A, the 3 pin of the identification chip U6 is electrically connected with the 18 pin of the power management chip U7, the 5 pin of the identification chip U6 is grounded sequentially through a resistor R44, a resistor R43 and a resistor R46, and the common end of the resistor R43 and the resistor R46 is electrically connected with the 15 pin of the power management chip U5;
the 5 pins of power management chip U7 with the 9 pins electric connection of power management chip U5, the 6 pins of power management chip U7 with the 8 pins electric connection of power management chip U5 (can intelligent identification be an intelligent mobile device, still two intelligent mobile devices charge, the wall charge source can be according to the required demand of charging of mobile intelligent device, carries out automatic power distribution).
Furthermore, the alternating current input filter circuit comprises an input end L2 and an input end N1, the input end L2 sequentially passes through a fuse F1, an inductor L3 and an inductor L4, and the input end N1 sequentially passes through an inductor L3 and an inductor L4 which are electrically connected (filtering alternating current mains supply input interference clutter, improving the anti-interference capability of wall charging, and meanwhile, also filtering a gallium nitride switch circuit, and generated interference clutter so that the electromagnetic compatibility of a wall charging source meets the national regulations).
Preferably, the rectifier filter circuit includes rectifier bridge BD1 and rectifier bridge BD2 connected in parallel, rectifier bridge BD1 with 2 pins (first output end) electric connection of inductance L4, rectifier bridge BD2 with 3 pins (second output end) electric connection of inductance L4, rectifier bridge BD1 and rectifier bridge BD2 all through inductance L1 with transformer T1A electric connection (adopt two rectifier bridges to connect in parallel, reduce the conduction loss of rectifier bridge, improve the lightning stroke ability of rectifier bridge to improve efficiency, guarantee the reliability of wall charging source).
Preferably, the utility model discloses this power constructs uniquely, has used the latest gallium nitride technique, has used planar transformer technique, makes power output power density big, can charge simultaneously for a smart mobile phone, a notebook. The gallium nitride wall charging switch power supply can provide charging service for various mobile intelligent devices in public areas such as airports, hotels, subway stations, bus stations and the like
Preferably, the model of the controller U3 in the present invention is NCP1342, the model of the gan power chip Q4 is NV6127, the model of the synchronous rectification controller U1 is M6908A, the model of the power management chip U7 is SC8721, the model of the power management chip U5 is SC2002, and the signal of the identification chip U6 is IP 2161S.
It is worth mentioning that the technical features of the charging device and the utility model such as the utility model relate to should be regarded as prior art, and the concrete structure, the theory of operation and the control mode that may involve, the spatial arrangement mode of these technical features adopt the conventional selection in this field can, should not be regarded as the invention point of the utility model is in, the utility model discloses a do not further specifically expand the detailed description.
It will be apparent to those skilled in the art that modifications and variations can be made in the above-described embodiments, or some features of the invention may be substituted or omitted, and any modification, substitution, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (3)
1. The utility model provides a high reliability gallium nitride wall fills which characterized in that, includes that AC input filter circuit, rectifier filter circuit, high-speed gallium nitride switch circuit, planar transformer and output rectifier filter circuit and power intelligence distribute with intelligent mobile device identification circuit that charges, wherein:
the alternating current input filter circuit is electrically connected with the high-speed gallium nitride switch circuit and the output rectifying filter circuit through the rectifying filter circuit respectively, and is used for filtering clutter from input commercial power and filtering interference clutter generated by the high-speed gallium nitride switch circuit;
the intelligent power distribution and intelligent mobile equipment charging identification circuit is electrically connected with the planar transformer and the output rectifying and filtering circuit, and is used for identifying the number of the charging equipment and obtaining the charging requirements of each charging equipment;
the high-speed gallium nitride switching circuit comprises a controller U3 and a gallium nitride power chip Q4, wherein a 7 pin of the controller U3 is electrically connected with a 2 pin of the gallium nitride power chip Q4 through a resistor R26, a 1 pin of the gallium nitride power chip Q4 is grounded through a resistor R12, a field effect tube Q3, a diode D4, a resistor R14 and a transformer T1C in sequence, a source of the field effect tube Q3 is electrically connected with the transformer T1C through the diode D5 and the resistor R20 in sequence, a capacitor C9 and a diode ZD1 are connected between the source and a gate of the field effect tube Q3, and two ends of the capacitor C9 are connected with a capacitor C10 in parallel;
the transformer T1C is grounded through a resistor R23, a resistor R25 and a resistor R35 in sequence, two ends of the resistor R25 are connected with a diode D6 in parallel, and the common end of the resistor R25 and the resistor R35 is electrically connected with a 4-pin of the controller U3;
the planar transformer and output rectifying and filtering circuit comprises a synchronous rectifying controller U1 and a charging interface J1, wherein a 1 pin of the synchronous rectifying controller is electrically connected with a grid electrode of a field-effect tube Q2 through a resistor R9, a drain electrode of the field-effect tube Q2 is electrically connected with a transformer T1A, a capacitor C5 and a resistor R5 are connected between a drain electrode and a source electrode of the field-effect tube Q2, and the transformer T1A is electrically connected with a VBUS end of the charging interface J1 sequentially through the resistor R3 and the field-effect tube Q1;
power intelligence distribution and intelligent mobile device identification circuit package power management chip U7, discernment chip U6 and power management chip U5 that charges, wherein:
a 31 pin of the power management chip U5 is electrically connected with one end of the resistor R3 far away from the field effect transistor Q1, a 30 pin of the power management chip U5 is electrically connected with one end of the resistor R3 close to the field effect transistor Q1, and a 29 pin of the power management chip U5 is electrically connected with a gate of the field effect transistor Q1;
the identification chip U6 is electrically connected with a connecting unit USB-A, the 3 pin of the identification chip U6 is electrically connected with the 18 pin of the power management chip U7, the 5 pin of the identification chip U6 is grounded sequentially through a resistor R44, a resistor R43 and a resistor R46, and the common end of the resistor R43 and the resistor R46 is electrically connected with the 15 pin of the power management chip U5;
the 5 pins of the power management chip U7 are electrically connected with the 9 pins of the power management chip U5, and the 6 pins of the power management chip U7 are electrically connected with the 8 pins of the power management chip U5.
2. The GaN wall charger of claim 1, wherein the AC input filter circuit comprises an input terminal L2 and an input terminal N1, the input terminal L2 is electrically connected to the inductor L4 through a fuse F1 and an inductor L3 in sequence, and the input terminal N1 is electrically connected to the inductor L4 through an inductor L3 in sequence.
3. The GaN wall charger of claim 2, wherein the rectifying and filtering circuit comprises a rectifying bridge BD1 and a rectifying bridge BD2 connected in parallel, the rectifying bridge BD1 is electrically connected to the 2-pin of the inductor L4, the rectifying bridge BD2 is electrically connected to the 3-pin of the inductor L4, and the rectifying bridge BD1 and the rectifying bridge BD2 are both electrically connected to the transformer T1A through the inductor L1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121368573.1U CN215267744U (en) | 2021-06-19 | 2021-06-19 | High-reliability gallium nitride wall charger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121368573.1U CN215267744U (en) | 2021-06-19 | 2021-06-19 | High-reliability gallium nitride wall charger |
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| CN215267744U true CN215267744U (en) | 2021-12-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270930A (en) * | 2021-06-19 | 2021-08-17 | 浙江榆阳电子有限公司 | High-reliability gallium nitride wall charger |
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- 2021-06-19 CN CN202121368573.1U patent/CN215267744U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113270930A (en) * | 2021-06-19 | 2021-08-17 | 浙江榆阳电子有限公司 | High-reliability gallium nitride wall charger |
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Address after: 314599 Tongde Road, Tongxiang Economic Development Zone, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Yuyang Electronics Co., Ltd. Address before: 314599 Tongde Road, Tongxiang Economic Development Zone, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG YUYANG ELECTRONICS CO.,LTD. |
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