CN217935584U - High voltage switch integrated circuit - Google Patents
High voltage switch integrated circuit Download PDFInfo
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- CN217935584U CN217935584U CN202222162535.1U CN202222162535U CN217935584U CN 217935584 U CN217935584 U CN 217935584U CN 202222162535 U CN202222162535 U CN 202222162535U CN 217935584 U CN217935584 U CN 217935584U
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Abstract
The application discloses high voltage switch integrated circuit, including an energy circuit, a control circuit, a switch circuit and a signal joint altogether, the energy circuit with control circuit connects, just control circuit with switch circuit connects, the signal joint altogether respectively with the energy circuit control circuit and switch circuit connects, the energy circuit receives an optical signal, and will optical signal converts an on-off control power signal into, and stores on-off control power signal, and control circuit basis optical signal converts a control signal into, and basis control signal, in order to control output on-off control power signal, switch circuit basis on-off control power signal switches on or ends, and so, can reduce one and fill can the time to reach the purpose of quick control switch circuit.
Description
Technical Field
The present application relates to switching circuits, and more particularly, to a high voltage switching integrated circuit.
Background
The conventional high voltage switch integrated circuit mainly includes a switch circuit, a control circuit and a switch circuit, wherein the switch circuit provides a switch control power signal to the control circuit, so that the control circuit can generate a control signal according to the switch control power signal, and then transmits the control signal to the switch circuit to control the switch circuit to output a high voltage signal.
However, in the above prior art, the switch control power signal received by the control circuit needs to reach a threshold value, so that the control circuit can generate the control signal, and a charging time needs to be waited for the switch control power signal to reach the threshold value, so that if the control circuit is to control the switch circuit to output the high voltage signal, a lot of time is required, and the overall control rate is not good.
Thus, the prior art does have a need to provide further improvements.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned deficiencies of the prior art, the present invention provides a high voltage switch integrated circuit, which is configured with an energy circuit to reduce the charging time substantially, so as to achieve the purpose of fast control.
The main technical means adopted to achieve the above object is to make the high voltage switch integrated circuit include:
the energy circuit receives an optical signal, converts the optical signal into a switch control power supply signal and stores the switch control power supply signal;
the control circuit is connected with the energy circuit, receives a second optical signal and controls and outputs the switch control power supply signal according to the second optical signal;
the control circuit is connected with the switching circuit, receives the switching control power supply signal from the control circuit and determines to be switched on or switched off according to the switching control power supply signal; and
and the signal common point is connected with the energy circuit, the control circuit and the switch circuit.
Preferably, the high voltage switch integrated circuit further comprises:
and the optical signal transmitter is used for transmitting the optical signal.
Preferably, the high voltage switch integrated circuit further comprises:
and the optical signal converter is arranged opposite to the optical signal emitter, receives an optical signal and converts the optical signal into the switch control power supply signal and the control signal.
Preferably, the power circuit includes:
and the energy storage device is connected with the optical signal converter and receives the switch control power supply signal so as to store the switch control power supply signal.
Preferably, the control circuit includes:
a diode connected to the optical signal converter;
and the pair of control switches are connected with the optical signal converter, receive the control signal and are correspondingly switched on or switched off according to the control signal.
Preferably, the optical signal transmitter further includes:
a first optical signal transmitter, which is arranged opposite to the optical signal converter and transmits a first optical signal;
and the second optical signal transmitter is arranged opposite to the optical signal converter and transmits a second optical signal.
Preferably, the optical signal converter further includes:
a first optical signal converter, which is arranged opposite to the optical signal transmitter, receives the optical signal and converts the optical signal into the switch control power supply signal;
and the second optical signal converter is arranged opposite to the optical signal transmitter, receives the optical signal and converts the optical signal into the control signal.
Preferably, the switching circuit includes:
the switch control end is connected with the control circuit and receives the switch control power supply signal;
a switch common terminal connected to the signal common point;
a first signal terminal;
a second signal terminal; and
when the switch control end receives the switch control power supply signal, the first signal end and the second signal end are conducted, and when the switch control end does not receive the switch control power supply signal, the first signal end and the second signal end are cut off.
Preferably, the optical signal transmitter includes:
an optical signal modulator, connected to the first optical signal transmitter and the second optical signal transmitter, for modulating the first optical signal to generate a modulated signal;
wherein the second optical signal transmitter generates the second optical signal according to the modulation signal
Through the structure, by arranging the energy circuit, electric energy can be stored in the energy circuit in advance, so that the charging time is reduced, and the aim of quickly controlling the switch circuit is fulfilled.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
fig. 1 is a block diagram of an embodiment of the present invention.
Fig. 2 is another block diagram of an embodiment of the present invention.
Fig. 3 is a block diagram of an optical signal transmitter and an optical signal converter according to the present invention.
Fig. 4 is a block diagram of an embodiment of the present invention.
Fig. 5 is a block diagram of the optical signal transmitter of the present invention.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, of the embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Regarding the embodiment of the high voltage switch integrated circuit of the present invention, as shown in fig. 1, it includes an energy circuit 10, a control circuit 11, a switch circuit 12 and a signal common point GND, the energy circuit 10 with the control circuit 11 electric connection, then, the control circuit 11 with the switch circuit 12 electric connection, the signal common point GND respectively with the energy circuit 10, the control circuit 11 and the switch circuit 12 electric connection, the signal common point GND provides a common signal. The energy circuit 10 and the control circuit 11 respectively receive an optical signal, the energy circuit 10 converts the optical signal into a switching control power signal and stores the switching control power signal, the control circuit 11 receives the optical signal and converts the optical signal into a control signal, so as to determine whether to output the switching control power signal to the switching circuit 12 according to the control signal, and then, when the control circuit 11 determines to output the switching control power signal to the switching circuit 12 according to the control signal, the switching circuit 12 receives the switching control power signal through the control circuit 11 and determines whether to turn on or turn off according to the switching control power signal. In this embodiment, the switch control power signal may be a voltage signal or a current signal, and the control circuit 11 may be a Push-pull output (Push-pull output) circuit.
In this embodiment, as shown in fig. 2, the high voltage switch ic further includes an optical signal transmitter 13, and the optical signal transmitter 13 transmits the optical signal to the energy circuit 10 and the control circuit 11. In this embodiment, the optical signal transmitter 13 can be a light emitting diode.
In this embodiment, as shown in fig. 3, the high voltage switch integrated circuit further includes an optical signal converter 14, and the optical signal converter 14 is disposed opposite to the optical signal emitter 13 to receive the optical signal sent by the optical signal emitter 13. When the optical signal converter 14 receives the optical signal, the optical signal is converted into the switch control power signal or the control signal. In this embodiment, the optical signal converter 14 may be a photoelectric converter including a photodiode.
In this embodiment, referring to fig. 4 and fig. 5, the optical signal transmitter 13 further includes a first optical signal transmitter 130 and a second optical signal transmitter 131, and the other end of the first optical signal transmitter 130 and the other end of the second optical signal transmitter are connected to each other, the optical signal converter 14 further includes a first optical signal converter 140 and a second optical signal converter 141, the first optical signal transmitter 130 and the first optical signal converter 140 are disposed opposite to each other, the second optical signal transmitter 131 and the second optical signal converter 141 are disposed opposite to each other, the first optical signal converter 140 receives a first optical signal from the first optical signal transmitter 130, the second optical signal converter 141 receives a second optical signal from the second optical signal transmitter, the energy circuit 10 further includes an energy storage 100, and the energy storage 100 is electrically connected to the first optical signal converter 140. When the first optical signal converter 140 receives the first optical signal from the first optical signal transmitter 130, the first optical signal is converted into the switching control power signal, and then the switching control power signal is transmitted to the energy storage 100 for storage. The control circuit 11 further includes a diode 110 and a pair of control switches 111 and 112, the diode 110 is electrically connected to the second optical signal converter 141, the pair of control switches 111 and 112 are respectively connected to the energy storage device 100, the pair of control switches 111 and 112 are connected in series to form a control switch common terminal 113, when the second optical signal converter 141 of the control circuit 11 receives the second optical signal, the second optical signal is converted into the control signal, and the control signal is transmitted to the pair of control switches 111 and 112, and when the pair of control switches 111 and 112 receives the control signal, the pair of control switches 111 and 112 are turned on or off according to the control signal, so as to output the switch control power signal or the common signal through the control switch common terminal 113. In this embodiment, the pair of control switches 111 and 112 are controlled in opposite phases, that is, the control switch 111 is turned on, and the control switch 112 is turned off, so that the pair of control switches 111 and 112 may be Metal-Oxide-Semiconductor Field-Effect transistors (MOSFETs), and each of the pair of control switches 111 and 112 includes a control side and a signal transmission side, the second optical signal converter 141 is respectively electrically connected to the control sides of the pair of control switches 111 and 112 to receive the control signal and determine whether the pair of control switches 111 and 112 are turned on or off, one end of the signal conduction side of the control switch 111 is electrically connected to the energy storage device 100, the other end of the signal conduction side of the control switch is connected to one end of the control switch in series to form the control switch common terminal 113, and the other end of the signal conduction side of the control switch 112 is electrically connected to the signal common point GND. In this embodiment, the first optical signal converter 140 is disposed in the energy circuit 10, the second optical signal converter 141 is disposed in the control circuit 11, for example, the control switch 111 may be a P-channel MOSFET, the control switch 112 may be an N-channel MOSFET, the Gate terminals (Gate, G) of the pair of control switches 111, 112 are electrically connected to the second optical signal converter 141, the Source terminal (Source, S) of the control switch 111 is electrically connected to the energy storage device 100, the Source terminal (Source, S) of the control switch 112 is electrically connected to the signal common point GND, and the Drain terminals (Drain, D) of the pair of control switches 111, 112 are connected in series to form the control switch connection terminal 113.
Next, the switch circuit 12 includes a switch control end 120, a switch common end 121, a first signal end 122 and a second signal end 123, the switch control end 120 is connected to the control switch common end 113, and the switch is connected to the switch control end 120The common connection end 121 is connected to the signal common point GND, and when the pair of control switches 111 and 112 of one of the energy storage devices is turned on by receiving the control signal, the energy storage device 100 outputs the switch control power signal to the control switch common connection end 113 through the turned-on control switch 111 or the turned-on control switch 112, and transmits the switch control power signal to the switch control end 120 to control whether the first signal end 122 and the second signal end 123 are turned on or off, in detail, when the control switch 111 is turned on and the control switch 112 is turned off, the switch control power signal is transmitted to the switch control end 120 through the control switch common connection end 113 to control the conduction between the first signal end 122 and the second signal end 123, and when the control switch 111 is turned off and the control switch 112 is turned on, the signal of the signal common point is transmitted to the switch control end 120 to control the turn-off of the first signal end 122 and the second signal end 123. In this embodiment, the switch circuit 12 may further include a first switch M 1 And a second switch M 2 The first switch M 1 And the second switch M 2 Respectively receiving the switch control power signal and the signal at the signal common point GND, and turning on or off according to the switch control power signal and the signal at the signal common point GND, so as to turn on or off between the first signal terminal 122 and the second signal terminal 123, wherein the first switch M is 1 And the second switch M 2 Is a same control switch, which can be a Metal-Oxide-Semiconductor Field-Effect Transistor (MOSFET), for example, the first switch M 1 And the second switch M 2 The first switch M may be the same N-channel MOSFET 1 And the second switch M 2 Gate terminals (Gate, G) of the first switch M are electrically connected to the switch control terminal 120, respectively 1 And the second switch M 2 Source terminals (S) electrically connected with each other and withThe switch common terminal 121 is electrically connected to the first switch M 1 The Drain terminal (Drain, D) of the second switch M is electrically connected to the first signal terminal 122 2 The Drain terminal (Drain, D) of the second signal terminal 123 is electrically connected to the first signal terminal (ic).
In this embodiment, as shown in fig. 5, the optical signal transmitter 13 further includes an optical signal modulator 132, the first optical signal transmitter 130 and the second optical signal transmitter 131 are electrically connected to the optical signal modulator 132, respectively, and the optical signal modulator 132 and a first power input end V are connected to the optical signal modulator 132 1 And a second power input terminal V 2 Electrically connected, the optical signal modulator 132 modulates the first optical signal to generate a modulation signal to the second optical signal transmitter 131, and the second optical signal transmitter 131 generates the second optical signal according to the modulation signal. In this embodiment, the optical signal modulator 132 adjusts a signal output period for the first optical signal to generate the modulation signal, and the second optical signal emitter 131 generates the second optical signal according to the modulation signal. In this embodiment, the first optical signal may be a fixed light source, and the second optical signal may be a square-wave light source, and when the second optical signal converter 141 receives the second optical signal from the second optical signal transmitter 131, the second optical signal is decoded to confirm the control signal. Specifically, the decoding may be performed according to different intensities of the optical signal, a duty ratio (duty ratio) of the optical signal, or a frequency of the optical signal, so as to determine an on signal or an off signal of the control signal.
In summary, by the arrangement of the energy circuit 10, the electric energy can be stored in the energy circuit 10 first, so that the charging time can be reduced to achieve the purpose of rapidly controlling the switch circuit 12.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one of 8230, and" comprising 8230does not exclude the presence of additional like elements in a process, method, article, or apparatus comprising the element.
While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the present invention is not limited to the above-described embodiments, which are intended to be illustrative rather than restrictive, and that various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope of the present invention as defined by the appended claims.
Claims (9)
1. A high voltage switching integrated circuit, comprising:
the energy circuit receives an optical signal, converts the optical signal into a switch control power supply signal and stores the switch control power supply signal;
the control circuit is connected with the energy circuit, receives the optical signal and converts the optical signal into a control signal according to the optical signal;
the switch circuit is connected with the control circuit, receives the switch control power supply signal from the control circuit and determines to be switched on or switched off according to the switch control power supply signal;
and the signal common point is connected with the energy circuit, the control circuit and the switch circuit.
2. The high voltage switching integrated circuit of claim 1, further comprising:
and the optical signal transmitter is used for transmitting the optical signal.
3. The high voltage switching integrated circuit of claim 2, further comprising:
and the optical signal converter is arranged opposite to the optical signal emitter, receives an optical signal and converts the optical signal into the switch control power supply signal and the control signal.
4. The high voltage switching integrated circuit of claim 3, wherein the energy source circuit comprises:
and the energy storage device is connected with the optical signal converter and receives the switch control power supply signal so as to store the switch control power supply signal.
5. The high voltage switching integrated circuit of claim 3, wherein the control circuit comprises:
a diode connected to the optical signal converter;
and the pair of control switches are connected with the optical signal converter, receive the control signals and are correspondingly switched on or switched off according to the control signals.
6. The high voltage switching integrated circuit of claim 5, wherein the optical signal transmitter further comprises:
a first optical signal transmitter, which is arranged opposite to the optical signal converter and transmits a first optical signal;
and the second optical signal transmitter is arranged opposite to the optical signal converter and transmits a second optical signal.
7. The high voltage switching integrated circuit of claim 5, wherein the optical signal converter further comprises:
a first optical signal converter, which is arranged opposite to the optical signal transmitter, receives the optical signal and converts the optical signal into the switch control power supply signal;
and the second optical signal converter is arranged opposite to the optical signal transmitter, receives the optical signal and converts the optical signal into the control signal.
8. The high voltage switching integrated circuit of any one of claims 6 or 7, wherein the switching circuit comprises:
the switch control end is connected with the control circuit and receives the switch control power supply signal;
a switch common terminal connected to the signal common point;
a first signal terminal;
a second signal terminal; and
when the switch control end receives the switch control power supply signal, the first signal end and the second signal end are conducted, and when the switch control end does not receive the switch control power supply signal, the connection between the first signal end and the second signal end is cut off.
9. The high voltage switching integrated circuit of claim 6, wherein the optical signal transmitter comprises:
an optical signal modulator, connected to the first optical signal transmitter and the second optical signal transmitter, for modulating the first optical signal to generate a modulated signal;
the second optical signal transmitter generates the second optical signal according to the modulation signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222162535.1U CN217935584U (en) | 2022-08-17 | 2022-08-17 | High voltage switch integrated circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222162535.1U CN217935584U (en) | 2022-08-17 | 2022-08-17 | High voltage switch integrated circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217935584U true CN217935584U (en) | 2022-11-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222162535.1U Active CN217935584U (en) | 2022-08-17 | 2022-08-17 | High voltage switch integrated circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217935584U (en) |
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2022
- 2022-08-17 CN CN202222162535.1U patent/CN217935584U/en active Active
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