CN211742049U - Power module, quick burn device of server power VR chip - Google Patents
Power module, quick burn device of server power VR chip Download PDFInfo
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- CN211742049U CN211742049U CN202020819396.3U CN202020819396U CN211742049U CN 211742049 U CN211742049 U CN 211742049U CN 202020819396 U CN202020819396 U CN 202020819396U CN 211742049 U CN211742049 U CN 211742049U
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Abstract
The utility model provides a power module, a fast burning device for VR chip of server power, which comprises a power module and a server mainboard; the server mainboard is provided with a VR chip and a burning interface, and the burning interface is connected with the VR chip; the power supply module is connected with the power supply input end of the VR chip; the power supply module comprises a voltage conversion unit, a control processing unit and an output end, wherein the input end of the voltage conversion unit is used for being connected to external commercial power, and the output end of the voltage conversion unit is connected to the output end through the control output unit; and connecting the output voltage of the power supply module to the power supply input end of the VR chip, and independently supplying power to the VR chip to be burned so as to quickly finish burning. The VR chip can be prevented from being powered by the whole machine every time, interference of other chips on burning FW can be avoided, the whole machine is prevented from being powered on and off frequently, and the reliability of the system is improved.
Description
Technical Field
The utility model relates to a voltage regulation chip burns record power supply technical field, concretely relates to power module, quick recorder of server power supply VR chip.
Background
With the development of cloud computing applications, informatization gradually covers various fields of society. People's daily life is more and more exchanging through the network, and network data volume is also increasing, and the demand to the server is also bigger and bigger. The power supply of the server is a vital part of the whole system of the server and is a basic requirement for ensuring whether the server can work normally. Most of the existing server power supplies are composed of VR chips and MOS chips, and the normal output function of power supply voltage and current is realized by modifying parameters of the VR chips. To modify parameters of the VR chip, Firmware (FW) of the burning controller needs to be used to change the parameter performance of the power supply. The VR chip is used as the most core control part of the server power supply, and burning FW also becomes the most frequently used operation of debugging the power supply, so that if FW can be quickly and efficiently burned, the efficiency of debugging the power supply is greatly improved.
Because the BMC chip needs to be manually taken off at first during each burning, the PSU is connected to the mains supply, then the output of the PSU is connected to the power supply interface of the server, the FW can be burned into the VR chip through the burning tool after the whole server is electrified, and then the BMC chip is installed back into the machine to complete the burning process.
The FW is required to be supplied to a complete machine server every time, if the FW is required to be frequently burnt, the whole machine server needs to be frequently turned on and off, the risk of reducing the service life of other electronic components exists, and the unreliability of the system is increased. After the server of the whole machine is powered on, the CPLD and the BMS chips are powered on to work, the risk of interference on the programming of the VR chip exists, the BMC chip needs to be manually taken off when the FW is programmed at present, the whole machine is returned after the programming is finished, and the whole operation flow is complex.
Disclosure of Invention
The complete machine of the server is powered on through the PSU for each burning, so that the normal burning can be carried out, the reliability of a server system can be reduced due to frequent power-on and power-off of the complete machine, and chips such as the CPLD and the BMC can work normally after the complete machine is powered on, so that interference on burning signals is easily caused. Present burning record mode is all to burn the BMS chip man in advance for taking off again, burns record and adorn the BMC chip back to the machine after accomplishing, and the problem of mistake easily appears in operation flow is more complicated, the utility model relates to a device is burnt fast to power module, server power VR chip.
The technical scheme of the utility model is that:
in a first aspect, the present invention provides a power module, including a voltage conversion unit, a control processing unit and an output end, wherein the voltage conversion unit includes an input end of the voltage conversion unit and an output end of the voltage conversion unit, the input end of the voltage conversion unit is used for being connected to an external commercial power, and the output end of the voltage conversion unit is connected to the output end through the control output unit;
the voltage conversion unit comprises a transformer, a primary side of the transformer is used for being connected to an external commercial power, one end of a secondary side of the transformer is connected with an anode of a fifth diode, a cathode of the fifth diode is connected with a first end of a first inductor, and a second end of the first inductor is connected to the control processing unit; the other end of the secondary side of the transformer is connected with the anode of a sixth diode, the cathode of the sixth diode is connected with the cathode of the fifth diode, and the center tap of the transformer is connected with the output end.
Further, the output end comprises an output positive end and an output negative end; the center tap of the transformer is connected to the output negative terminal; the control processing unit comprises an MOS tube and a DSP chip; the second end of the first inductor is connected with the drain electrode of the MOS tube, the grid electrode of the MOS tube is connected to the control end of the DSP chip, the second end of the first inductor is connected to the output negative end through a first voltage-stabilizing tube, a second voltage-stabilizing tube, a third voltage-stabilizing tube and a fourth voltage-stabilizing tube which are connected in series in the same direction, and the second end of the first inductor is connected to the cathode of the first voltage-stabilizing tube; the connection point of the third voltage-regulator tube and the fourth voltage-regulator tube is connected to the power supply end of the DSP chip; the source electrode of the MOS tube is connected to the positive output end through a second inductor, and the positive output end is connected to the feedback end of the DSP chip; both ends of the second inductor are connected to the output negative terminal through a seventh diode and a capacitor, respectively, and the anode of the seventh diode is connected to the output negative terminal.
Further, the power supply module further comprises a relay switch, and the second inductor is connected to the positive output terminal through the relay switch. And setting a relay switch, if one VR chip is burnt, continuing to burn the next VR chip, manually disconnecting the relay switch, connecting a power supply module to the pin of the other VR chip, and manually closing the relay switch to continue to burn. On one hand, the working efficiency of the whole process is improved; on the other hand, the reliability of the whole burning device is improved by avoiding frequent power supply of a plug-in system.
In a second aspect, the utility model provides a fast burning device for a VR chip of a server power supply, which comprises a power module and a server mainboard;
the server mainboard is provided with a VR chip and a burning interface, and the burning interface is connected with the VR chip; the power supply module is connected with the power supply input end of the VR chip; the power module is the power module of the first aspect.
Furthermore, the device comprises a power panel, wherein the power module is arranged on the power panel, and a power connector is also arranged on the power panel and is connected with the output end of the power module; the power supply connector is connected with the power supply input end of the VR chip through a cable.
Furthermore, a VR chip power connector is arranged on the server mainboard and connected with a power input end of the VR chip; the VR chip power connector is connected with the power connector through a cable.
When a program of the VR chip needs to be burned, the burning device is powered on, the output of the burning device is directly connected to the power input end of the VR chip, so that the chip can work normally, and the VR chip can be burned normally without starting a whole server.
According to the technical scheme, the utility model has the advantages of it is following: and designing a power supply module, connecting the output voltage to the power supply input end of the VR chip, and independently supplying power to the VR chip to be burned so as to quickly finish burning. The VR chip can be prevented from being powered by the whole machine every time, interference of other chips on burning FW can be avoided, the whole machine is prevented from being powered on and off frequently, and the reliability of the system is improved.
Furthermore, the utility model relates to a principle is reliable, and simple structure has very extensive application prospect.
Therefore, compared with the prior art, the utility model has the outstanding substantive features and remarkable progress, and the beneficial effects of the implementation are also obvious.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of a power module circuit connection provided by an embodiment of the present invention.
Fig. 2 is a schematic connection diagram of an apparatus provided in an embodiment of the present invention.
Detailed Description
In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Example one
As shown in fig. 1, the present invention provides a power module, which includes a voltage conversion unit, a control processing unit and an output end, wherein the voltage conversion unit includes an input end of the voltage conversion unit and an output end of the voltage conversion unit, the input end of the voltage conversion unit is used for being connected to an external 220v commercial power, and the output end of the voltage conversion unit is connected to the output end through the control output unit;
the voltage conversion unit comprises a transformer T1, the primary side of the transformer T1 is used for being connected to an external 220v commercial power, one end of the secondary side of the transformer T1 is connected with the anode of a fifth diode D5, the cathode of the fifth diode D5 is connected with the first end of a first inductor L1, and the second end of the first inductor L1 is connected to the control processing unit; the other end of the secondary side of the transformer T1 is connected to the anode of a sixth diode D6, the cathode of the sixth diode D6 is connected to the cathode of the fifth diode D5, and the center tap of the transformer T1 is connected to the output terminal. When the power module is connected to the mains supply, the whole circuit starts to work. After the input voltage passes through the transformer T1, the diodes D5 and D6 and the inductor L1, a 110V direct-current voltage is output to the control processing unit, and a stable and reliable 3.3V voltage is output through the internal processing of the control processing unit.
Example two
The utility model provides a power module, the difference with embodiment one includes:
the output end comprises an output positive end and an output negative end; the center tap of the transformer T1 is connected to the output negative terminal; the control processing unit comprises an MOS tube Q1 and a DSP chip U1; the second end of the first inductor L1 is connected with the drain of a MOS tube Q1, the grid of the MOS tube Q1 is connected with the control end Cs of the DSP chip U1, the second end of the first inductor L1 is connected with the output negative end through a first voltage-regulator tube D1, a second voltage-regulator tube D2, a third voltage-regulator tube D3 and a fourth voltage-regulator tube D4 which are connected in series in the same direction, and the second end of the first inductor L1 is connected with the cathode of the first voltage-regulator tube D1; the connection point of the third voltage regulator tube D3 and the fourth voltage regulator tube D4 is connected to a power supply end Vin of the DSP chip U1; the source of the MOS transistor Q1 is connected to the positive output terminal through the second inductor L2, and the positive output terminal is connected to the feedback terminal Rf of the DSP chip U1; both ends of the second inductor L2 are connected to the output negative terminal through a seventh diode D7 and a capacitor C, respectively, and the anodes of the seventh diode D7 are connected to the output negative terminal, respectively. The power supply is supplied to the DSP chip through voltage-stabilizing tubes D1, D2, D3 and D4, the DSP chip feeds back to a feedback pin through collecting output voltage, the duty ratio of the MOS tube Q1 is controlled, the MOS tube is conducted when the DSP outputs high level, input energy is transmitted to an output side, and finally the output voltage is stabilized at 3.3V. In this embodiment, the inductor L2 is used for storing energy, the diode D7 functions as freewheeling, and the diode C functions as output filtering.
The power supply module further comprises a relay switch U2, and the second inductor L2 is connected to the positive output terminal through the relay switch U2. The relay switch U2 is arranged, if one VR chip is burnt, the next VR chip is burnt again, the relay switch U2 can be turned off manually, the power supply module is connected to the pin of the other VR chip, and the relay switch U2 is turned on manually to continue burning. On one hand, the working efficiency of the whole process is improved; on the other hand, the reliability of the whole burning device is improved by avoiding frequent power supply of a plug-in system.
EXAMPLE III
As shown in fig. 2, the utility model provides a fast burning device for VR chips of server power supplies, which comprises a power module and a server motherboard;
the server mainboard is provided with a VR chip U3 and a burning interface J3, and the burning interface J3 is connected with the VR chip U3; the power supply module is connected with a power supply input end of the VR chip U3; the power module is the power module described in the second embodiment.
The device comprises a power panel, wherein the power module is arranged on the power panel, a power connector J2 is further arranged on the power panel, and the power connector J2 is connected with the output end of the power module; a VR chip power connector J1 is arranged on the server mainboard, and a VR chip power connector J1 is connected with a power input end of a VR chip U3; the VR chip power connector J1 is connected to the power connector J2 by a cable. In the use, because the VR chip is fixed with the mainboard through the connector of cutting straightly on the mainboard, can carry out the burning record of different VR chips through changing the VR chip on the mainboard, also can carry out the burning record of different VR chips through changing the mainboard of being connected with power connector. The power module is only needed to supply power to the VR chip independently, so that the whole system does not need to be powered on, convenience and rapidness are achieved, the burning reliability is improved, and the burning efficiency is greatly improved.
Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (6)
1. A power supply module is characterized by comprising a voltage conversion unit, a control processing unit and an output end, wherein the input end of the voltage conversion unit is used for being connected to an external commercial power, and the output end of the voltage conversion unit is connected to the output end through the control output unit;
the voltage conversion unit comprises a transformer, a primary side of the transformer is used for being connected to an external commercial power, one end of a secondary side of the transformer is connected with an anode of a fifth diode, a cathode of the fifth diode is connected with a first end of a first inductor, and a second end of the first inductor is connected to the control processing unit; the other end of the secondary side of the transformer is connected with the anode of a sixth diode, the cathode of the sixth diode is connected with the cathode of the fifth diode, and the center tap of the transformer is connected with the output end.
2. The power supply module of claim 1, wherein said output terminals comprise a positive output terminal and a negative output terminal; the center tap of the transformer is connected to the output negative terminal; the control processing unit comprises an MOS tube and a DSP chip; the second end of the first inductor is connected with the drain electrode of the MOS tube, the grid electrode of the MOS tube is connected to the control end of the DSP chip, the second end of the first inductor is connected to the output negative end through a first voltage-stabilizing tube, a second voltage-stabilizing tube, a third voltage-stabilizing tube and a fourth voltage-stabilizing tube which are connected in series in the same direction, and the second end of the first inductor is connected to the cathode of the first voltage-stabilizing tube; the connection point of the third voltage-regulator tube and the fourth voltage-regulator tube is connected to the power supply end of the DSP chip; the source electrode of the MOS tube is connected to the positive output end through a second inductor, and the positive output end is connected to the feedback end of the DSP chip; both ends of the second inductor are connected to the output negative terminal through a seventh diode and a capacitor, respectively, and the anode of the seventh diode is connected to the output negative terminal.
3. A power supply module according to claim 1, characterized in that the power supply module further comprises a relay switch, the second inductor being connected to the positive output terminal via the relay switch.
4. A quick burning device for a VR chip of a server power supply is characterized by comprising a power supply module and a server mainboard;
the server mainboard is provided with a VR chip and a burning interface, and the burning interface is connected with the VR chip; the power supply module is connected with the power supply input end of the VR chip; the power module is as claimed in any one of claims 1 to 3.
5. The device for rapidly burning the VR chip of the server power supply of claim 4, which comprises a power board, wherein the power module is disposed on the power board, and a power connector is further disposed on the power board and connected to an output end of the power module; the power supply connector is connected with the power supply input end of the VR chip through a cable.
6. The device for rapidly burning the VR chip of the server of claim 5, wherein a VR chip power connector is arranged on the server motherboard and connected with a power input end of the VR chip; the VR chip power connector is connected with the power connector through a cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819396.3U CN211742049U (en) | 2020-05-15 | 2020-05-15 | Power module, quick burn device of server power VR chip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020819396.3U CN211742049U (en) | 2020-05-15 | 2020-05-15 | Power module, quick burn device of server power VR chip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211742049U true CN211742049U (en) | 2020-10-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020819396.3U Active CN211742049U (en) | 2020-05-15 | 2020-05-15 | Power module, quick burn device of server power VR chip |
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| Country | Link |
|---|---|
| CN (1) | CN211742049U (en) |
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- 2020-05-15 CN CN202020819396.3U patent/CN211742049U/en active Active
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