CN210246371U - Multi-source multi-port output circuit - Google Patents
Multi-source multi-port output circuit Download PDFInfo
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- CN210246371U CN210246371U CN201921515745.6U CN201921515745U CN210246371U CN 210246371 U CN210246371 U CN 210246371U CN 201921515745 U CN201921515745 U CN 201921515745U CN 210246371 U CN210246371 U CN 210246371U
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Abstract
The utility model discloses a many mouthfuls of output circuit of multisource, it includes power supply circuit, interface control circuit, output circuit, and power supply circuit is connected with interface control circuit electricity, and interface control circuit is connected with the output circuit electricity, and power supply circuit includes two at least switch power supply circuits, and output circuit includes two at least output ports, and interface control circuit includes at least one interface control chip, first switch, two at least second switches. The utility model discloses can utilize AC/DC or DC/DC to jointly provide the biggest output for output port, can independently export when many mouthfuls insert simultaneously, can the maximize utilize power supply, realize the demand of the small volume of high power, can improve system efficiency, reduce cost simultaneously.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field that charges, it is specific relates to a multisource many mouthfuls of output circuits.
[ background of the invention ]
With the rapid development of electronic technology, the functions of various electronic products such as mobile phones, digital cameras, electronic readers, MP3, MP4, etc. are increasingly powerful, resulting in an increasing demand for charging. The data interface type number specification of various digital products is different, but the current socket is only provided with a few corresponding charging interfaces, the interface type is single, the charging speed is low, and the requirements cannot be met.
The USB Type-C interface, referred to as USB-C interface for short, supports directionless forward and reverse insertion on a physical structure, and functionally supports transmission of data and audio/video signals, and simultaneously supports bidirectional transmission of a Power supply, so that the USB-C interface can receive charging of the Power supply for an electronic device equipped with the USB Type-C interface and can also provide electric energy for other external electronic devices, and based on a latest USB PD (USB Power Delivery) protocol, the USB-C interface can transmit 100W of Power at most when charging.
In the prior art, DC/DC1 and DC/DC2 are generally supplied with energy through one AC/DC, and DC/DC1 and DC/DC2 respectively supply energy to two output ports, but because the AC/DC single port is output through a single port, the AC/DC maximum power cannot be used, and the efficiency of a DC-DC system is low through 2-level conversion from AC to DC; in addition, energy can be respectively provided for the two output ports through DC/DC1 and DC/DC2, but the requirement of single-port high-power output is met by the large enough DC/DC1, so that the problems of large power consumption, low efficiency, energy waste and high cost are caused.
[ Utility model ] content
The utility model aims at providing a can utilize AC/DC or DC/DC to jointly provide the biggest output for output port, simultaneously can the independent many mouthfuls of output circuit of output when many mouthfuls of inserts.
In order to achieve the main purpose, the utility model provides a many source many mouthfuls of output circuits includes power supply circuit, interface control circuit, output circuit, power supply circuit with interface control circuit electricity is connected, interface control circuit with output circuit electricity is connected, power supply circuit includes two at least switch power supply circuits, output circuit includes two at least output ports, interface control circuit includes at least one interface control chip, first switch, two at least second switches, and the input of the first switch power supply circuit receives alternating current signal/direct current signal, and the input of the second switch power supply circuit receives alternating current signal/direct current signal; the first end of the first switch is connected between the output end of the first switch power supply circuit and the first end of the first second switch, the second end of the first switch is connected between the output end of the second switch power supply circuit and the first end of the second switch, the third end of the first switch is respectively and electrically connected with the first end of the first interface control chip and the first end of the second interface control chip, the second end and the third end of the first second switch are respectively and electrically connected with the first output port and the second end of the first interface control chip, the second end and the third end of the second switch are respectively and electrically connected with the second output port and the second end of the second interface control chip, and the third end of the first interface control chip is electrically connected with the first output port, and the third end of the second interface control chip is electrically connected with the second output port.
According to a further scheme, after the first output port detects an equipment access signal, the first interface control chip is used for sending a conducting signal to the first switch and the first second switch to control the first switch and the first second switch to be conducted, and the first switch power supply circuit and the second switch power supply circuit are both used for supplying energy to the first output port.
In a further aspect, when the second output port detects a device access signal, the second interface control chip is configured to send a conduction signal to the first switch and the second switch to control conduction of the first switch and the second switch, and the second switch power supply circuit and the first switch power supply circuit are both configured to provide energy to the second output port.
According to a further scheme, after the two output ports detect an equipment access signal, a first interface control chip is used for sending a conducting signal to a first second switch to control the conduction of the first second switch, a second interface control chip is used for sending a conducting signal to a second switch to control the conduction of the second switch, a first switch power supply circuit is used for supplying energy to the first output port, and a second switch power supply circuit is used for supplying energy to the second output port.
In a further aspect, the switching power supply circuit is an AC/DC circuit or a DC/DC circuit.
The further scheme is that the first switch and the second switch are any one of a relay, an MOS (metal oxide semiconductor) tube and a controllable breaker.
The further scheme is that the interface control chip is a Type-C interface control chip.
In a further aspect, the output port is a USB Type-C interface.
Therefore, the power circuit of the utility model is composed of at least two AC/DC or DC/DC or AC/DC and DC/DC combinations, the switch is combined between the output power supply and the output port, and the switch is controlled by the interface control chip to be switched on so as to control the power supply to output electric energy outwards, when the AC system is input, only single-stage conversion from AC to DC is needed, and the efficiency is high; when the DC system is input, a low-power DC/DC can be adopted, the requirement of single-port high-power output is met, and the cost can be reduced.
Therefore, the utility model discloses can utilize AC/DC or DC/DC to jointly provide the biggest output for output port, can independently export when many mouthfuls insert simultaneously, can the maximize utilize power supply, realize the demand of the small volume of high power, can improve system efficiency, reduce cost simultaneously.
[ description of the drawings ]
Fig. 1 is a schematic block diagram of a first embodiment of a multi-source multi-port output circuit of the present invention.
Fig. 2 is a first working schematic diagram of a first embodiment of a multi-source multi-port output circuit of the present invention.
Fig. 3 is a second working schematic diagram of the first embodiment of the multi-source multi-port output circuit of the present invention.
Fig. 4 is a working schematic diagram of a second embodiment of the multi-source multi-port output circuit of the present invention.
[ detailed description ] embodiments
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.
First embodiment of multi-source multi-port output circuit
Referring to fig. 1, the utility model discloses a multisource many mouthfuls of output circuits includes power supply circuit, interface control circuit, output circuit, power supply circuit is connected with interface control circuit electricity, interface control circuit is connected with output circuit electricity, power supply circuit includes two at least switch power supply circuits, output circuit includes two at least output ports, interface control circuit includes at least one interface control chip, first switch, two at least second switches, alternating current signal/direct current signal are received to the input of first switch power supply circuit 11, alternating current signal/direct current signal are received to the input of second switch power supply circuit 12; a first terminal of the first switch 10 is connected between the output terminal of the first switching power supply circuit 11 and a first terminal of the first second switch 21, a second terminal of the first switch 10 is connected between the output terminal of the second switching power supply circuit 12 and a first terminal of the second switch 22, a third terminal of the first switch 21 is electrically connected to a first terminal of the first interface control chip 31 and a first terminal of the second interface control chip 32, a second terminal and a third terminal of the first second switch 21 are electrically connected to the first output port 41, the second terminal of the first interface control chip 31 is electrically connected, the second terminal and the third terminal of the second switch 22 are electrically connected to the second output port 42 and the second terminal of the second interface control chip 32, respectively, the third terminal of the first interface control chip 31 is electrically connected to the first output port 41, and the third terminal of the second interface control chip 31 is electrically connected to the second output port 42.
Preferably, the switching power supply circuit is an AC/DC circuit or a DC/DC circuit. It can be seen that the power supply circuit consists of 2 or more than 2 AC/DC or DC/DC or a combination of AC/DC and DC/DC.
Preferably, the first switch 10 and the second switch are any one of a relay, a MOS transistor, and a controllable breaker.
Preferably, the interface control chip is a Type-C interface control chip. It can be seen that one or more paths can be controlled by one chip, the interface control chip has the function of plugging and unplugging detection, and the plugging and unplugging detection can be realized by using CC or DM DP and vbus.
Preferably, the output port is a USB Type-C interface.
As shown in fig. 2, after the first output port 41 detects the device access signal, the first interface control chip 31 is configured to send a turn-on signal to the first switch 10 and the first second switch 21 to control the first switch 10 and the first second switch 21 to be turned on, and both the first switching power supply circuit 11 and the second switching power supply circuit 12 are configured to provide energy to the first output port 41. For example, when the first output port 41 is connected to an external device, the interface control chip detects the connection of the external device, and sends a conducting signal to turn on the first switch 10 and the first second switch 21, and at this time, the second switch 22 is in a closed state, and the first AC/DC circuit and the second AC/DC circuit supply energy to the first output port 41, so as to obtain large energy of the two AC/DC circuits.
As shown in fig. 3, when the second output port 42 detects the device access signal, the second interface control chip 32 is configured to send a conducting signal to the first switch 10 and the second switch 22 to control the first switch 10 and the second switch 22 to conduct, and the second switching power supply circuit 12 and the first switching power supply circuit 11 are both configured to provide energy to the second output port 42. For example, when the second output port 42 is connected to an external device, the interface control chip detects the connection of the external device, and sends a conducting signal to turn on the first switch 10 and the second switch 22, at this time, the first switch 21 is in a closed state, and the first AC/DC circuit and the second AC/DC circuit supply energy to the second output port 42, so as to obtain large energy of the two AC/DC circuits.
In this embodiment, after the two output ports detect the device access signal, the first interface control chip 31 is configured to send a conducting signal to the first second switch 21 to control the first second switch 21 to conduct, the second interface control chip 32 is configured to send a conducting signal to the second switch 22 to control the second switch 22 to conduct, the first switching power supply circuit 11 is configured to provide energy to the first output port 41, and the second switching power supply circuit 12 is configured to provide energy to the second output port 42. For example, when the first output port 41 and the second output port 42 are simultaneously connected to an external device, the two interface control chips detect the connection of the external device, and send a conducting signal to turn on the first second switch 21 and the second switch 22, at this time, the first switch 10 is in an off state, the first AC/DC circuit supplies energy to the first output port 41, and the second AC/DC circuit supplies energy to the second output port 42, so that independent outputs are not interfered with each other.
A second embodiment of a multi-source multi-port output circuit:
in this embodiment, the interface control circuit may also be an interface control chip, such as the interface control chip 311. As shown in fig. 4, a first terminal of the first switch 101 is connected between the output terminal of the first switching power supply circuit 111 and a first terminal of the first second switch 211, a second terminal of the first switch 101 is connected between the output terminal of the second switching power supply circuit 121 and a first terminal of the second switch 221, a third terminal of the first switch 211 is electrically connected to the first terminal of the interface control chip 311, second and third terminals of the first second switch 211 are electrically connected to the first output port 411 and the second terminal of the interface control chip 311, second and third terminals of the second switch 221 are electrically connected to the second output port 421 and the second terminal of the interface control chip 311, respectively, and third and fourth terminals of the interface control chip 311 are electrically connected to the first output port 411 and the second output port 421, respectively.
When the single first output port 411 detects the device access signal, the interface control chip 311 sends a turn-on signal to the first switch 101 to control the first switch 101 to turn on, and in conjunction with the first switching power supply circuit 111 and the second switching power supply circuit 121, turns on the first switch 211 and the second switch 211 to supply energy to the first output port 411.
When the single second output port 421 detects the device access signal, the interface control chip 311 sends a turn-on signal to the first switch 101 to control the first switch 101 to turn on, and turns on the second switch 222 to supply energy to the second output port 421 in conjunction with the first switching power supply circuit 111 and the second switching power supply circuit 121.
When the first output port 411 and the second output port 421 both detect the device access signal, the interface control chip 311 turns on the first second switch 211 and the second switch 222, so that the first switching power supply circuit 111 and the second switching power supply circuit 121 respectively provide energy to the first output port 411 and the second output port 421.
Therefore, the power circuit of the utility model is composed of at least two AC/DC or DC/DC or AC/DC and DC/DC combinations, the switch is combined between the output power supply and the output port, and the switch is controlled by the interface control chip to be switched on so as to control the power supply to output electric energy outwards, when the AC system is input, only single-stage conversion from AC to DC is needed, and the efficiency is high; when the DC system is input, a low-power DC/DC can be adopted, the requirement of single-port high-power output is met, and the cost can be reduced.
Therefore, the utility model discloses can utilize AC/DC or DC/DC to jointly provide the biggest output for output port, can independently export when many mouthfuls insert simultaneously, can the maximize utilize power supply, realize the demand of the small volume of high power, can improve system efficiency, reduce cost simultaneously.
It should be noted that the above is only the preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and all the insubstantial modifications made by using the design concept of the present invention also fall within the protection scope of the present invention.
Claims (8)
1. The utility model provides a many source multi-port output circuit, includes power supply circuit, interface control circuit, output circuit, power supply circuit with interface control circuit electricity is connected, interface control circuit with output circuit electricity is connected, its characterized in that:
the power supply circuit comprises at least two switch power supply circuits, the output circuit comprises at least two output ports, the interface control circuit comprises at least one interface control chip, a first switch and at least two second switches, the input end of the first switch power supply circuit receives alternating current signals/direct current signals, and the input end of the second switch power supply circuit receives alternating current signals/direct current signals;
the first end of the first switch is connected between the output end of the first switch power supply circuit and the first end of the first second switch, the second end of the first switch is connected between the output end of the second switch power supply circuit and the first end of the second switch, the third end of the first switch is respectively and electrically connected with the first end of the first interface control chip and the first end of the second interface control chip, the second end and the third end of the first second switch are respectively and electrically connected with the first output port and the second end of the first interface control chip, the second end and the third end of the second switch are respectively and electrically connected with the second output port and the second end of the second interface control chip, and the third end of the first interface control chip is electrically connected with the first output port, and the third end of the second interface control chip is electrically connected with the second output port.
2. The multi-source multi-port output circuit of claim 1, wherein:
when the first output port detects a device access signal, the first interface control chip is configured to send a conduction signal to the first switch and the first second switch to control conduction of the first switch and the first second switch, and the first switch power supply circuit and the second switch power supply circuit are both configured to provide energy to the first output port.
3. The multi-source multi-port output circuit of claim 2, wherein:
when the second output port detects a device access signal, the second interface control chip is configured to send a conduction signal to the first switch and the second switch to control conduction of the first switch and the second switch, and the second switch power supply circuit and the first switch power supply circuit are both configured to provide energy to the second output port.
4. The multi-source multi-port output circuit of claim 3, wherein:
when the two output ports detect an equipment access signal, the first interface control chip is used for sending a conducting signal to the first second switch to control the conduction of the first second switch, the second interface control chip is used for sending a conducting signal to the second switch to control the conduction of the second switch, the first switch power supply circuit is used for supplying energy to the first output port, and the second switch power supply circuit is used for supplying energy to the second output port.
5. The multi-source multi-port output circuit according to any one of claims 1 to 4, wherein:
the switching power supply circuit is an AC/DC circuit or a DC/DC circuit.
6. The multi-source multi-port output circuit according to any one of claims 1 to 4, wherein:
the first switch and the second switch are any one of a relay, an MOS tube and a controllable breaker.
7. The multi-source multi-port output circuit according to any one of claims 1 to 4, wherein:
the interface control chip is a Type-C interface control chip.
8. The multi-source multi-port output circuit according to any one of claims 1 to 4, wherein:
the output port is a USB Type-C interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921515745.6U CN210246371U (en) | 2019-09-12 | 2019-09-12 | Multi-source multi-port output circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921515745.6U CN210246371U (en) | 2019-09-12 | 2019-09-12 | Multi-source multi-port output circuit |
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| CN210246371U true CN210246371U (en) | 2020-04-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024022436A1 (en) * | 2022-07-28 | 2024-02-01 | 安克创新科技股份有限公司 | Charging control circuit, charger and charging method |
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2019
- 2019-09-12 CN CN201921515745.6U patent/CN210246371U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024022436A1 (en) * | 2022-07-28 | 2024-02-01 | 安克创新科技股份有限公司 | Charging control circuit, charger and charging method |
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Address after: Room 3104, block a, building 8, Shenzhen International Innovation Valley, Dashi 1st Road, Xili community, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen yingjixin Technology Co.,Ltd. Address before: 1301, building A2, Kexing Science Park, 15 Keyuan Road, Yuehai street, Shenzhen, Guangdong 518000 Patentee before: SHENZHEN INJOINIC TECHNOLOGY Co.,Ltd. |