CN219609503U - Circuit for realizing automatic regulation of power supply voltage output through program control - Google Patents
Circuit for realizing automatic regulation of power supply voltage output through program control Download PDFInfo
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- CN219609503U CN219609503U CN202320991826.3U CN202320991826U CN219609503U CN 219609503 U CN219609503 U CN 219609503U CN 202320991826 U CN202320991826 U CN 202320991826U CN 219609503 U CN219609503 U CN 219609503U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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
- Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management
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Abstract
The utility model discloses a circuit for realizing automatic regulation of power supply voltage output through program control, which comprises a power supply circuit board, wherein a power supply regulation control circuit and a common power supply circuit are arranged on the power supply circuit board, an FB regulation circuit is arranged in the common power supply circuit, the power supply regulation control circuit is electrically connected with the FB regulation circuit, the power supply regulation control circuit comprises a power supply pin VBUS, a jumper seat J3 and U1, the power supply pin VBUS is electrically connected with the jumper seat J3, a rectifying circuit and a signal transmission circuit are electrically connected between the jumper seat J3 and the U1, and the jumper seat J3 is provided with a power supply voltage pin VCC, differential signal wire pins D+ and D-and a plurality of grounding pins GND. The utility model can circularly output the power supply output voltage according to the preset rule, realizes the automatic regulation of the power supply voltage by a simple implementation mode so as to solve the problem that manual implementation cannot be realized, can replace an adjustable power supply and a digital power supply, and has obvious price advantage.
Description
Technical Field
The utility model belongs to the technical field of electronic equipment, and particularly relates to a circuit for realizing automatic regulation of power supply voltage output through program control.
Background
An electronic device refers to an electrical device that is composed of microelectronic devices. After the electronic device is produced, a product test is required to be performed on the electronic device. In order to verify whether the electronic device works in some abnormal states and whether damage or abnormality occurs, a power jitter simulation experiment is generally used for testing.
However, some existing adjustable power supplies basically realize output adjustment of voltage through an adjustable power supply knob manually, automatic voltage change cannot be realized, and the power supply change process is not completed instantaneously, so that the test result of the electronic equipment is easily affected. In addition, some programmable power supplies are relatively high in price, complex in control and inconvenient to operate.
Accordingly, in view of the above-described problems, it is necessary to provide a circuit for realizing automatic adjustment of power supply voltage output by program control.
Disclosure of Invention
The utility model aims to provide a circuit for realizing automatic regulation of power supply voltage output through program control so as to solve the problems.
In order to achieve the above object, an embodiment of the present utility model provides the following technical solution:
the circuit for realizing automatic regulation of power supply voltage output through program control comprises a power supply circuit board, wherein a power supply regulation control circuit and a common power supply circuit are arranged on the power supply circuit board, an FB (fiber) regulation circuit is arranged in the common power supply circuit, and the power supply regulation control circuit is electrically connected with the FB regulation circuit;
the power supply adjusting control circuit comprises a power supply pin VBUS, a jumper seat J3 and a U1, wherein the power supply pin VBUS is electrically connected with the jumper seat J3, and a rectifying circuit and a signal transmission circuit are electrically connected between the jumper seat J3 and the U1.
Further, the jumper seat J3 is provided with a power supply voltage pin VCC, differential signal wire pins d+ and D-and a plurality of ground pins GND, the rectifying circuit is connected with the power supply voltage pin VCC, the signal transmission circuit is connected with the differential signal wire pins d+ and D-, and the ground pins GND are grounded.
Further, the rectifying circuit comprises a diode D1, a resistor R4 and a jumper seat J01F, wherein the diode D1, the resistor R4 and the jumper seat J01F are connected in series, and a capacitor C5, a capacitor C6 and a capacitor C7 are connected in parallel on the rectifying circuit.
Further, the signal transmission circuit comprises MCU_USB_DM and MCU_USB_DP, and the jumper seat J3 and the U1 are connected through the MCU_USB_DM and the MCU_USB_DP.
Further, the rectification circuit and the signal transmission circuit are both connected with a piezoresistor RV4.
Further, an anti-interference circuit is connected in parallel to the rectifying circuit, the anti-interference circuit comprises a magnetic bead FB3 and a capacitor C3, and the magnetic bead FB3 and the capacitor C3 are connected in parallel.
Further, a power pin PWR, an output pin and a filter circuit are connected to the U1, and the FB adjusting circuit is connected to the output pin.
Further, the filter circuit comprises a capacitor C8 and a resistor R5, and the capacitor C8 and the resistor R5 are connected in parallel.
Compared with the prior art, the utility model has the following advantages:
the utility model can circularly output the power supply output voltage according to the preset rule, realizes the automatic regulation of the power supply voltage by a simple implementation mode so as to solve the problem that manual implementation cannot be realized, can replace an adjustable power supply and a digital power supply, and has obvious price advantage.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic diagram of a circuit for automatically adjusting the output of a power supply voltage by program control according to an embodiment of the present utility model;
FIG. 2 is a circuit diagram of a portion of a circuit for implementing automatic regulation of power supply voltage output by program control in accordance with one embodiment of the present utility model;
FIG. 3 is a partial two-circuit diagram of a circuit for implementing automatic regulation of power supply voltage output by program control in an embodiment of the utility model.
Detailed Description
The present utility model will be described in detail below with reference to the embodiments shown in the drawings. The embodiments are not intended to limit the utility model, but structural, methodological or functional modifications from the embodiments are within the scope of the utility model.
The utility model discloses a circuit for realizing automatic regulation of power supply voltage output through program control, which is shown in fig. 1-3 and comprises a power supply circuit board, wherein a power supply regulation control circuit and a common power supply circuit are arranged on the power supply circuit board.
And the common power supply circuit is internally provided with an FB regulating circuit for regulating output voltage, and the power supply regulating control circuit is electrically connected with the FB regulating circuit.
In addition, the power supply regulation control circuit comprises a power supply pin VBUS, a jumper seat J3 and a U1, wherein the power supply pin VBUS is electrically connected with the jumper seat J3, and the U1 is used for processing receiving and analyzing instructions and generating corresponding voltage values.
Specifically, the jumper seat J3 is provided with a power supply voltage pin VCC, differential signal wire pins d+ and D-and a plurality of ground pins GND, the rectifying circuit is connected with the power supply voltage pin VCC, the signal transmission circuit is connected with the differential signal wire pins d+ and D-, and the ground pins GND are grounded.
Referring to fig. 1-3, a rectifying circuit and a signal transmission circuit are electrically connected between the jumper seat J3 and the jumper seat U1. The rectifying circuit is used for protecting the whole circuit, and the signal transmission circuit is used for transmitting instructions so that U1 can analyze and generate corresponding voltage values.
The rectifying circuit comprises a diode D1, a resistor R4 and a jumper seat J01F, wherein the diode D1, the resistor R4 and the jumper seat J01F are connected in series.
In addition, a capacitor C5, a capacitor C6 and a capacitor C7 are connected in parallel on the rectifying circuit and are used for protecting the circuit.
Specifically, the signal transmission circuit comprises MCU_USB_DM and MCU_USB_DP, and the jumper seat J3 and the U1 are connected through MCU_USB_DM and MCU_USB_DP.
In addition, the rectification circuit and the signal transmission circuit are both connected with a piezoresistor RV4 for protecting the circuit.
Referring to fig. 1-3, the rectifying circuit is connected with an anti-interference circuit in parallel, so that the stability of signal transmission is improved, and the signal is not easy to be interfered by other signals.
The anti-interference electricity comprises a magnetic bead FB3 and a capacitor C3, and the magnetic bead FB3 and the capacitor C3 are connected in parallel.
In addition, a power pin PWR, an output pin and a filter circuit are connected to the U1, and the FB adjusting circuit is connected with the output pin.
Specifically, the filter circuit comprises a capacitor C8 and a resistor R5, wherein the capacitor C8 and the resistor R5 are connected in parallel and are used for filtering clutter signals and guaranteeing signal transmission effects.
When the system is specifically used, a tester fills the voltage values of different time periods into a table file in a specific format according to requirements, and copies the file to a computer, a mobile phone or other upper computers. The information in the table is analyzed by opening the table file through software and then sent to the power circuit board, and the power regulation control circuit of the power circuit board receives the information and then executes the information step by step according to the instruction, so that the power change output required by the tester can be realized.
Specifically, the instruction document is opened through the upper computer software or a computer or a mobile phone, and the instructions are sent to the power circuit board one by one according to the document. The jumper seat J3 of the power circuit board transmits the instruction to the U1, the U1 analyzes the instruction after receiving the instruction, converts the corresponding voltage value into the corresponding duty ratio value of the PWM1 and the PWM2, and controls the output value of the voltage by connecting the two pins to the feedback pin of the FB regulating circuit of the power circuit board through the filter circuit, thereby controlling the power circuit board to output the voltage value set in the instruction.
The technical scheme shows that the utility model has the following beneficial effects:
the utility model can circularly output the power supply output voltage according to the preset rule, realizes the automatic regulation of the power supply voltage by a simple implementation mode so as to solve the problem that manual implementation cannot be realized, can replace an adjustable power supply and a digital power supply, and has obvious price advantage.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment contains only one independent technical solution, and that such description is provided for clarity only, and that the technical solutions of the embodiments may be appropriately combined to form other embodiments that will be understood by those skilled in the art.
Claims (8)
1. The circuit is characterized by comprising a power circuit board, wherein a power regulation control circuit and a common power circuit are arranged on the power circuit board, an FB (fiber) regulation circuit is arranged in the common power circuit, and the power regulation control circuit is electrically connected with the FB regulation circuit;
the power supply adjusting control circuit comprises a power supply pin VBUS, a jumper seat J3 and a U1, wherein the power supply pin VBUS is electrically connected with the jumper seat J3, and a rectifying circuit and a signal transmission circuit are electrically connected between the jumper seat J3 and the U1.
2. The circuit for automatically adjusting the output of the power supply voltage by the program control according to claim 1, wherein the jumper seat J3 is provided with a power supply voltage pin VCC, differential signal wire pins d+ and D-, and a plurality of ground pins GND, the rectifying circuit is connected to the power supply voltage pin VCC, the signal transmission circuit is connected to the differential signal wire pins d+ and D-, and the ground pins GND are grounded.
3. The circuit for realizing automatic regulation of power supply voltage output through program control according to claim 2, wherein the rectifying circuit comprises a diode D1, a resistor R4 and a jumper seat J01F, the diode D1, the resistor R4 and the jumper seat J01F are connected in series, and a capacitor C5, a capacitor C6 and a capacitor C7 are connected in parallel on the rectifying circuit.
4. A circuit for implementing automatic regulation of power supply voltage output by program control according to claim 3, wherein the signal transmission circuit comprises mcu_usb_dm and mcu_usb_dp, and the jumper seat J3 and the U1 are connected by mcu_usb_dm and mcu_usb_dp.
5. The circuit for automatically adjusting the output of the power supply voltage by program control according to claim 4, wherein the voltage dependent resistor RV4 is connected to the rectifying circuit and the signal transmission circuit.
6. The circuit for automatically adjusting the output of the power supply voltage by program control according to claim 4, wherein the anti-interference circuit is connected in parallel to the rectifying circuit, the anti-interference circuit comprises a magnetic bead FB3 and a capacitor C3, and the magnetic bead FB3 and the capacitor C3 are connected in parallel.
7. The circuit for automatically adjusting the output of the power supply voltage by program control according to claim 1, wherein the U1 is connected with a power pin PWR, an output pin and a filter circuit, and the FB adjusting circuit is connected with the output pin.
8. A circuit for automatically adjusting a supply voltage output by program control according to claim 7, wherein the filter circuit comprises a capacitor C8 and a resistor R5, the capacitor C8 and the resistor R5 being connected in parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320991826.3U CN219609503U (en) | 2023-04-27 | 2023-04-27 | Circuit for realizing automatic regulation of power supply voltage output through program control |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320991826.3U CN219609503U (en) | 2023-04-27 | 2023-04-27 | Circuit for realizing automatic regulation of power supply voltage output through program control |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219609503U true CN219609503U (en) | 2023-08-29 |
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ID=87750641
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320991826.3U Active CN219609503U (en) | 2023-04-27 | 2023-04-27 | Circuit for realizing automatic regulation of power supply voltage output through program control |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219609503U (en) |
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2023
- 2023-04-27 CN CN202320991826.3U patent/CN219609503U/en active Active
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