CN213482826U - Type-C interface power supply circuit - Google Patents
Type-C interface power supply circuit Download PDFInfo
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- CN213482826U CN213482826U CN202023021006.7U CN202023021006U CN213482826U CN 213482826 U CN213482826 U CN 213482826U CN 202023021006 U CN202023021006 U CN 202023021006U CN 213482826 U CN213482826 U CN 213482826U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
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Abstract
The embodiment of the utility model provides a Type-C interface supply circuit relates to Type-C power supply technical field. The circuit includes: a Type-C interface; an IC module; a configuration module; the control module comprises a first MOS (metal oxide semiconductor) tube and is connected with the IC module through the first MOS tube; the switch module comprises a second MOS tube and a third MOS tube, the second MOS tube is respectively connected with the IC module and the control module, and the third MOS tube is respectively connected with the second MOS tube and the Type-C interface; when the Type-C interface is detected to be connected with the power taking equipment, the IC module is connected with the first MOS tube to control the conduction of the second MOS tube and the third MOS tube; and supplying power to the power taking equipment. When detecting that Type-C interface inserts when not getting the electrical equipment, IC module shutoff first MOS pipe to control second MOS pipe and third MOS pipe shutoff, prevent that voltage from flowing backward. The embodiment of the utility model provides a realize Type-C interface supply circuit and protect function through simple circuit, not only reduced the circuit cost, also reduced Type-C interface supply circuit's volume.
Description
Technical Field
The utility model relates to a Type-C power supply technical field especially relates to a Type-C interface supply circuit.
Background
Along with the continuous development of USB interface technique, the Type-C interface is as a neotype USB interface, and is fast based on Type-C interface, "strong, little" characteristic, and the signal of transferable multiple different grade Type, is often used for electronic product such as cell-phone, panel computer, phone wrist-watch. But the Type-C interface still has the shortcoming in the aspect of the power supply, and the current Type-C interface carries out transmission protocol through installing protocol management chip additional and through pin discernment and agreement chip in order to accomplish the discernment of power supply and equipment. This Type-C power supply scheme increases the cost of the Type-C circuit and also increases the size of the Type-C power supply circuit.
SUMMERY OF THE UTILITY MODEL
The utility model provides a Type-C interface supply circuit aims at solving Type-C interface power supply problem with high costs, bulky.
The utility model provides a Type-C interface supply circuit, this Type-C interface supply circuit includes:
a Type-C interface;
an IC (Integrated Circuit Board) module, the IC module being connected to the Type-C interface;
a configuration module connected with the IC module;
the control module comprises a first MOS (metal oxide semiconductor) tube and is connected with the IC (integrated circuit) module through the first MOS tube;
the switch module comprises a second MOS tube and a third MOS tube, the second MOS tube is respectively connected with the IC module and the control module, and the third MOS tube is respectively connected with the second MOS tube and a Type-C interface;
when the Type-C interface is detected to be connected with the power taking equipment, the IC module is connected with the first MOS tube to control the conduction of the second MOS tube and the third MOS tube; when detecting that the Type-C interface inserts and does not get the electrical equipment, IC module shutoff first MOS pipe to control second MOS pipe and third MOS pipe and turn off.
The control module further comprises a first resistor and a second resistor, wherein the first resistor is connected with the IC module and the grid electrode of the first MOS tube respectively, the drain electrode of the first MOS tube is grounded, and the second resistor is connected with the switch module and the source electrode of the first MOS tube respectively.
According to a further technical scheme, the switch module further comprises a third resistor and a first power supply, the third resistor is connected with the second resistor and the grid electrode of the second MOS tube respectively, and the drain electrode of the second MOS tube is connected with the first power supply and the IC module respectively.
The switch module further comprises a fourth resistor, and the fourth resistor is respectively connected with the second resistor and the source electrode of the second MOS tube.
The switch module further comprises a fifth resistor, the fifth resistor is respectively connected with the second resistor and the source electrode of the third MOS tube, and the source electrode of the second MOS tube is connected with the source electrode of the third MOS tube.
The switch module further comprises a sixth resistor, the sixth resistor is connected with the second resistor and the grid electrode of the third MOS tube respectively, and the drain electrode of the third MOS tube is connected with the Type-C interface.
The switch module further comprises a first capacitor, and the first capacitor is respectively connected with the grid electrode of the second MOS tube and the source electrode of the second MOS tube.
The switch module further comprises a second capacitor, and the second capacitor is respectively connected with the grid electrode of the third MOS tube and the source electrode of the third MOS tube.
The IC module comprises an enabling pin and an abnormal interruption pin, wherein the enabling pin is connected with the abnormal interruption pin.
A further technical solution is that the configuration module includes a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, and a second power supply, the seventh resistor is connected to the second power supply and the IC module, the eighth resistor is connected to the seventh resistor and the ground, the ninth resistor is connected to the second power supply and the IC module, and the tenth resistor is connected to the ninth resistor and the ground.
The utility model provides a Type-C interface supply circuit, this Type-C interface supply circuit includes: a Type-C interface; the IC module is connected with the Type-C interface; a configuration module connected with the IC module; the control module comprises a first MOS (metal oxide semiconductor) tube and is connected with the IC (integrated circuit) module through the first MOS tube; the switch module comprises a second MOS tube and a third MOS tube, the second MOS tube is respectively connected with the IC module and the control module, and the third MOS tube is respectively connected with the second MOS tube and a Type-C interface; when the Type-C interface is detected to be connected with the power taking equipment, the IC module is connected with the first MOS tube to control the conduction of the second MOS tube and the third MOS tube; and supplying power to the power taking equipment. When detecting that Type-C interface inserts when not getting the electrical equipment, IC module shutoff first MOS pipe to control second MOS pipe and third MOS pipe shutoff, prevent that voltage from flowing backward. The embodiment of the utility model provides a realize Type-C's power supply interface circuit and protect function through simple circuit, not only reduced the circuit cost, also reduced Type-C interface power supply circuit's volume.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.
Fig. 1 is a schematic block diagram of a Type-C interface power supply circuit according to an embodiment of the present invention.
Reference numerals
Type-C interface 1, switch module 2, control module 3, IC module 4, configuration module 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, wherein like component numbers represent like components. It is obvious that the embodiments to be described below are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the embodiments of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the invention. As used in the description of the embodiments of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
Referring to fig. 1, the embodiment of the utility model provides a provide a Type-C interface supply circuit, this Type-C interface supply circuit includes: Type-C interface 1; IC module 4, IC module 4 with Type-C interface 1 connects, and in the concrete implementation, IC module 4 is connected with Type-C interface 1's CC pin for detect the equipment that Type-C interface 1 accessed.
A configuration module 5, said configuration module 5 being connected to the IC module 4. In a specific implementation, the configuration module 5 is connected to a power pin of the IC module 4, and is configured to configure the output current of the IC module 4.
The control module 3 comprises a first MOS transistor Q1, and the control module 3 is connected with the IC module 4 through the first MOS transistor Q1. Specifically, in an embodiment, a gate of the first MOS transistor Q1 is connected to a control pin of the IC module 4, the gate of the first MOS transistor Q1 receives a control signal sent by the IC module 4 to control on and off of the IC module, when the device is connected to the Type-C interface 1, a voltage of a CC pin of the Type-C interface 1 changes, and the IC module 4 determines an output of the control pin according to the change of the voltage of the CC pin.
The switch module 2, the switch module 2 includes second MOS transistor Q2 and third MOS transistor Q3, second MOS transistor Q2 respectively with IC module 4 and control module 3 connects, third MOS transistor Q3 respectively with second MOS transistor Q2 and Type-C interface 1 connect. Specifically, in one embodiment, the IC module 4 sends a control signal to the control module 3 to control the on and off states of the second MOS transistor Q2 and the third MOS transistor Q3.
When detecting that the Type-C interface 1 is accessed to the power-taking device, the IC module 4 is connected with the first MOS transistor Q1 to control the conduction of the second MOS transistor Q2 and the third MOS transistor Q3. Specifically, in an embodiment, when it is detected that the Type-C interface 1 accesses the power-taking device, the IC module 4 turns on the first MOS transistor Q1, and controls the second MOS transistor Q2 and the third MOS transistor Q3 to be turned on, so as to supply power to the power-taking device.
When detecting that Type-C interface 1 inserts and does not get the electrical equipment, IC module 4 cuts off first MOS pipe Q1, and control second MOS pipe Q2 and third MOS pipe Q3 turn off. Specifically, in an embodiment, when detecting that the Type-C interface 1 is connected to the non-power-taking device, the IC module 4 turns off the first MOS transistor Q1, and controls the second MOS transistor Q2 and the third MOS transistor Q3 to turn off, so as to prevent the voltage of the non-power-taking device from flowing backward and causing damage to components, so as to protect the Type-C interface power supply circuit.
Further, the control module 3 further includes a first resistor R1 and a second resistor R2, the first resistor R1 is connected to the IC module 4 and the gate of the first MOS transistor Q1, the drain of the first MOS transistor Q1 is grounded, and the second resistor R2 is connected to the sources of the switch module 2 and the first MOS transistor Q1. Specifically, in one embodiment, the first resistor R1 is the input impedance of the first MOS transistor Q1; when the first MOS transistor Q1 is turned on, the second resistor R2 functions as a current limiter.
Further, the switch module 2 further includes a third resistor R3 and a first power VCC1, the third resistor R3 respectively with the second resistor R2 and the gate of the second MOS transistor Q2 is connected, the drain of the second MOS transistor Q2 respectively with the first power VCC1 and the IC module 4 is connected. Specifically, in an embodiment, the third resistor R3 is a gate input impedance of the second MOS transistor Q2, and the first power VCC1 supplies power to the switch module 2.
Further, the switch module 2 further includes a fourth resistor R4, and the fourth resistor R4 is connected to the second resistor R2 and the source of the second MOS transistor Q2, respectively. Specifically, in an embodiment, the fourth resistor R4 is used for current limiting, and forms a path with the second resistor R2 as the second MOS transistor Q2; when the Type-C interface is connected to the powered device, the first MOS transistor Q1 is turned off, and the switch module 2 provides a high level for the gate of the second MOS transistor Q2 through the third resistor R3 and the fourth resistor R4.
Further, the switch module 2 further includes a fifth resistor R5, the fifth resistor R5 is respectively connected to the second resistor R2 and the source of the third MOS transistor Q3, and the source of the second MOS transistor Q2 is connected to the source of the third MOS transistor Q3. Specifically, in an embodiment, the fifth resistor R5 is used for current limiting, and forms a path with the second resistor R2 as the third MOS transistor Q3; when the Type-C interface is connected to a powered device, the first MOS transistor Q1 is turned off, and the switch module 2 provides a high level for the gate of the third MOS transistor Q3 through the fifth resistor R5 and the sixth resistor R6.
Further, the switch module 2 further includes a sixth resistor R6, the sixth resistor R6 is respectively connected to the second resistor R2 and the gate of the third MOS transistor Q3, and the drain of the third MOS transistor Q3 is connected to the Type-C interface 1. Specifically, in an embodiment, the sixth resistor R6 is the gate input impedance of the third MOS transistor Q3.
Further, the switch module 2 further includes a first capacitor C1, and the first capacitor C1 is respectively connected to the gate of the second MOS transistor Q2 and the source of the second MOS transistor Q2. Specifically, in one embodiment, the first capacitor C1 is used to eliminate the parasitic voltage caused by the Type-C interface 1 plugging.
Further, the switch module 2 further includes a second capacitor C2, and the second capacitor C2 is respectively connected to the gate of the third MOS transistor Q3 and the source of the third MOS transistor Q3. Specifically, in one embodiment, the second capacitor C2 is used to eliminate the parasitic voltage caused by the Type-C interface 1 plugging.
Further, the IC module 4 includes an ENABLE pin ENABLE and an abort pin FAULT, the ENABLE pin ENABLE being connected to the abort pin FAULT. Specifically, in an embodiment, the IC module 4 has an overcurrent detection function, when it is detected that the current taken by the power taking device exceeds the limit value set by the configuration module, the IC module 4 automatically turns off the output, and meanwhile, the abnormal interrupt pin FAULT of the IC module 4 changes from a high level to a low level and sends the low level to the ENABLE pin ENABLE of the IC module 4 to turn off the output, so as to prevent the circuit from being damaged due to a short circuit.
Specifically, in an embodiment, a temperature detecting portion is further disposed inside the IC module 4, and when the temperature is detected to be too high (greater than 135 °), the IC module 4 automatically turns off the output, the level of the abnormal interrupt pin FAULT of the IC module 4 changes from high to low, and the abnormal interrupt pin FAULT is sent to the ENABLE pin ENABLE of the IC module 4 to turn off the output, so that the IC module 4 stops working, and the IC module 4 is protected.
Further, the configuration module 5 includes a seventh resistor R7, an eighth resistor R8, a ninth resistor R9, a tenth resistor R10, and a second power VCC2, the seventh resistor R7 is connected to the second power VCC2 and the IC module 4, the eighth resistor R8 is connected to the seventh resistor R7 and ground, the ninth resistor R9 is connected to the second power VCC2 and the IC module 4, and the tenth resistor R10 is connected to the ninth resistor R9 and ground. Specifically, in an embodiment, the IC module 4 configures the current output through the configuration module 5, and a user may adjust the resistance values of the seventh resistor R7, the eighth resistor R8, the ninth resistor R9, and the tenth resistor R10 as needed to configure the magnitude of the output current, which is not limited herein.
The utility model provides a Type-C interface supply circuit, this Type-C interface supply circuit includes: Type-C interface 1; the IC module 4 is connected with the Type-C interface 1; a configuration module 5, wherein the configuration module 5 is connected with the IC module 4; the control module 3 comprises a first MOS transistor Q1, and the control module 3 is connected with the IC module 4 through the first MOS transistor Q1; the switch module 2 includes a second MOS transistor Q2 and a third MOS transistor Q3, the second MOS transistor Q2 is connected to the IC module 4 and the control module 3, respectively, and the third MOS transistor Q3 is connected to the second MOS transistor Q2 and the Type-C interface 1, respectively; when the Type-C interface 1 is detected to be connected with a power-taking device, the IC module 4 is connected with the first MOS transistor Q1, and the second MOS transistor Q2 and the third MOS transistor Q3 are controlled to be connected; and supplying power to the power taking equipment. When detecting that Type-C interface 1 inserts and not get the electrical equipment, IC module 4 cuts off first MOS pipe Q1, and control second MOS pipe Q2 and third MOS pipe Q3 are shut off, prevent that the voltage from flowing backward. The embodiment of the utility model provides a realize Type-C's power supply interface circuit and protect function through simple circuit, not only reduced power supply circuit's cost, also reduced Type-C interface power supply circuit's volume.
In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, while the invention has been described with respect to certain embodiments, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
The above description is for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A Type-C interface power supply circuit, characterized by, includes:
a Type-C interface;
the IC module is connected with the Type-C interface;
a configuration module connected with the IC module;
the control module comprises a first MOS (metal oxide semiconductor) tube and is connected with the IC (integrated circuit) module through the first MOS tube;
the switch module comprises a second MOS tube and a third MOS tube, the second MOS tube is respectively connected with the IC module and the control module, and the third MOS tube is respectively connected with the second MOS tube and a Type-C interface;
when the Type-C interface is detected to be connected with the power taking equipment, the IC module is connected with the first MOS tube to control the conduction of the second MOS tube and the third MOS tube; when detecting that the Type-C interface inserts and does not get the electrical equipment, IC module shutoff first MOS pipe to control second MOS pipe and third MOS pipe and turn off.
2. The Type-C interface power supply circuit according to claim 1, wherein the control module further comprises a first resistor and a second resistor, the first resistor is connected to the IC module and the gate of the first MOS transistor respectively, the drain of the first MOS transistor is grounded, and the second resistor is connected to the switch module and the source of the first MOS transistor respectively.
3. The Type-C interface power supply circuit according to claim 2, wherein the switch module further comprises a third resistor and a first power supply, the third resistor is connected to the second resistor and the gate of the second MOS transistor, respectively, and the drain of the second MOS transistor is connected to the first power supply and the IC module, respectively.
4. The Type-C interface power supply circuit according to claim 3, wherein the switch module further comprises a fourth resistor, and the fourth resistor is connected to the second resistor and the source of the second MOS transistor, respectively.
5. The Type-C interface power supply circuit according to claim 4, wherein the switch module further comprises a fifth resistor, the fifth resistor is connected to the second resistor and the source of the third MOS transistor, and the source of the second MOS transistor is connected to the source of the third MOS transistor.
6. The Type-C interface power supply circuit according to claim 5, wherein the switch module further comprises a sixth resistor, the sixth resistor is connected to the second resistor and the gate of the third MOS transistor, respectively, and the drain of the third MOS transistor is connected to the Type-C interface.
7. The Type-C interface power supply circuit according to claim 6, wherein the switch module further comprises a first capacitor, and the first capacitor is connected to the gate of the second MOS transistor and the source of the second MOS transistor respectively.
8. The Type-C interface power supply circuit according to claim 7, wherein the switch module further comprises a second capacitor, and the second capacitor is respectively connected to the gate of the third MOS transistor and the source of the third MOS transistor.
9. The Type-C interface power supply circuit of claim 1, wherein the IC module comprises an enable pin and an abort pin, and the enable pin is connected to the abort pin.
10. The Type-C interface power supply circuit according to claim 1, wherein the configuration module comprises a seventh resistor, an eighth resistor, a ninth resistor, a tenth resistor, and a second power supply, the seventh resistor is connected to the second power supply and the IC module, the eighth resistor is connected to the seventh resistor and the ground, the ninth resistor is connected to the second power supply and the IC module, and the tenth resistor is connected to the ninth resistor and the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023021006.7U CN213482826U (en) | 2020-12-15 | 2020-12-15 | Type-C interface power supply circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023021006.7U CN213482826U (en) | 2020-12-15 | 2020-12-15 | Type-C interface power supply circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213482826U true CN213482826U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023021006.7U Active CN213482826U (en) | 2020-12-15 | 2020-12-15 | Type-C interface power supply circuit |
Country Status (1)
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|---|---|
| CN (1) | CN213482826U (en) |
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- 2020-12-15 CN CN202023021006.7U patent/CN213482826U/en active Active
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