CN105467163A - Equipment connecting I2C card and PMBUS interface - Google Patents
Equipment connecting I2C card and PMBUS interface Download PDFInfo
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- CN105467163A CN105467163A CN201510818768.4A CN201510818768A CN105467163A CN 105467163 A CN105467163 A CN 105467163A CN 201510818768 A CN201510818768 A CN 201510818768A CN 105467163 A CN105467163 A CN 105467163A
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- terminal
- clock
- data
- card
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
- G01R1/0416—Connectors, terminals
Abstract
The invention provides equipment connecting an I2C card and a power supply management bus PMBUS interface. The equipment comprises a clock signal module and a data signal module. The clock signal module comprises a first resistor, a first clock terminal and a second clock terminal. The data signal module comprises a second resistor, a first data terminal and a second data terminal. The first clock terminal and the second clock terminal are connected through a clock signal line. The first data terminal and the second data terminal are connected through a data signal line. One end of the first resistor is connected to the first clock terminal and the second clock terminal respectively. The other end of the first resistor is connected to a power supply terminal. One end of the second resistor is connected to the first data terminal and the second data terminal respectively and the other end of the second resistor is connected to the power supply terminal. The invention provides the equipment connecting the I2C card and the PMBUS interface. By using the equipment, the I2C card and the PMBUS interface can be connected.
Description
Technical field
The present invention relates to electronic technology field, particularly one connects the equipment of I2C (Inter-IntegratedCircuit) card and PMBUS (PowerManagementBus, power management bus) interface.
Background technology
Power supply, as the voltage supply module of whole server, provides safeguard to the stable performance of whole server and reliability, once all parts that just likely can damage whole server that go wrong, causes heavy losses.Chroma8000 power supply tester is better at present and the Auto-Test System of more suitable various power supply unit; many diverse hardwares are provided to select, as program controlled alternating current/DC power supply, electronic load, numerical digit ammeter, oscillograph, time sequence analyzer and short circuit and overvoltage protection tester.The multifrequency nature of various power supply can be tested, comprise the constrained input of voltage, dynamic change, switching sequence, voltage precision, noise analysis etc.This tester testing power supply by reference, can on source intercept problems power supply, reduce the loss.
Chroma8000 realizes Switching Power Supply by I2C card to be connected with the communication of computer equipment, power supply tester writes various formula according to I2C agreement, then the formula finished controls power supply through I2C card and power supply software chip, thus reaches the object of test different performance.Conventional power supply is generally communicated with outside by PMBUS interface, and I2C cannot be connected with PMBUS interface.
Summary of the invention
In view of this, the invention provides a kind of equipment connecting I2C card and PMBUS interface, I2C card can be connected with PMBUS interface.
The invention provides a kind of equipment connecting I2C card and PMBUS interface, comprising:
Clock signal module, data-signal module;
Described clock signal module, comprising: the first resistance, the first clock terminal, second clock terminal;
Described data-signal module, comprising: the second resistance, the first data terminal, the second data terminal;
Described first clock terminal is connected by clock cable with described second clock terminal;
Described first data terminal is connected by data signal line with described second data terminal;
One end of described first resistance is connected with described second clock terminal with described first clock terminal respectively, and the other end of described first resistance is connected with power supply terminal;
One end of described second resistance is connected with described second data terminal with described first data terminal respectively, and the other end of described second resistance is connected with described power supply terminal.
Further, the size of described first resistance is 2.8 Ω, and the size of described second resistance is 2.8 Ω.
Further, this equipment also comprises: the first electric capacity, ground terminal;
One end of described first electric capacity is connected with ground terminal, and the other end is connected with described power supply terminal.
Further, this equipment also comprises: the second electric capacity, ground terminal;
One end of described second electric capacity is connected with ground terminal, and the other end is connected with described power supply terminal.
Further, the size of described first electric capacity is 0.1 μ F.
Further, the size of described second electric capacity is 10 μ F.
Further, the span of the size of described first resistance and described second resistance is all 2.8 Ω to 4.7 Ω.
Further, also comprise: power module; Described power supply terminal is connected with described power module.
Further, this equipment comprises:
Described first clock terminal, for being connected with the clock cable of I2C card;
Described second clock terminal, for being connected with the Clock Signal pin of PMBUS interface;
Described first data terminal, for being connected with the data signal line of I2C card;
Described second data terminal, for being connected with the data signal pin of PMBUS interface.
Further, described power supply terminal, for being connected with the power lead of described I2C card.
Further, described ground terminal, for being connected with the ground wire of described I2C card, and is connected with the ResturnS pin of described PMBUS interface.
A kind of equipment connecting I2C card and PMBUS interface provided by the invention, can be connected with PMBUS interface with I2C card respectively by the first clock terminal, second clock terminal, the first data terminal, the second data terminal, can ensure the stable of the signal that clock cable and data signal line transmit by the first resistance, the second resistance, and then the signal transmitted between guarantee I2C card and PMBUS interface is stable.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic diagram connecting the equipment of I2C card and PMBUS interface that one embodiment of the invention provides;
Fig. 2 is the schematic diagram that the another kind that provides of one embodiment of the invention connects the equipment of I2C card and PMBUS interface.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly; below in conjunction with the accompanying drawing in the embodiment of the present invention; technical scheme in the embodiment of the present invention is clearly and completely described; obviously; described embodiment is the present invention's part embodiment, instead of whole embodiments, based on the embodiment in the present invention; the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
As shown in Figure 1, embodiments provide a kind of equipment connecting I2C card and PMBUS interface, the method can comprise the following steps:
Clock signal module 101, data-signal module 102;
Described clock signal module 101, comprising: the first resistance 1011, first clock terminal 1012, second clock terminal 1013;
Described data-signal module 102, comprising: the second resistance 1021, first data terminal 1022, second data terminal 1023;
Described first clock terminal 1012 is connected by clock cable with described second clock terminal 1013;
Described first data terminal 1022 is connected by data signal line with described second data terminal 1023;
One end of described first resistance 1011 is connected with described second clock terminal 1013 with described first clock terminal 1012 respectively, and the other end of described first resistance 1011 is connected with power supply terminal 103;
One end of described second resistance 1021 is connected with described second data terminal 1023 with described first data terminal 1022 respectively, and the other end of described second resistance 1021 is connected with described power supply terminal 103.
A kind of equipment connecting I2C card and PMBUS interface that the embodiment of the present invention provides, can be connected with PMBUS interface with I2C card respectively by the first clock terminal, second clock terminal, the first data terminal, the second data terminal, can ensure the stable of the signal that clock cable and data signal line transmit by the first resistance, the second resistance, and then the signal transmitted between guarantee I2C card and PMBUS interface is stable.
In a kind of possible implementation, the size of described first resistance is 2.8 Ω, and the size of described second resistance is 2.8 Ω.
In a kind of possible implementation, the span of the size of described first resistance and described second resistance is all 2.8 Ω to 4.7 Ω.
The first resistance in this implementation and the second resistance can match with I2C card, the power supply that is connected with PMBUS interface, and then stable voltage can be provided for clock cable and data signal line, ensure the signal stabilization on clock cable and data signal line.
Due to signal transmit on clock cable and data signal line time, can be subject to high frequency interference, in order to reduce high frequency interference, in a kind of possible implementation, this equipment also comprises: the first electric capacity, ground terminal;
One end of described first electric capacity is connected with ground terminal, and the other end is connected with described power supply terminal.
Can high frequency interference be reduced by the first electric capacity, ensure the stable of the signal on clock cable and data signal line.Wherein, the size of described first electric capacity can be 0.1 μ F.This first electric capacity can make the waveform of the signal on clock cable and data signal line clearly be identified by I2C agreement.
Due to signal transmit on clock cable and data signal line time, can be subject to low-frequency disturbance, in order to reduce low-frequency disturbance, in a kind of possible implementation, this equipment also comprises: the second electric capacity, ground terminal;
One end of described second electric capacity is connected with ground terminal, and the other end is connected with described power supply terminal.
Can low-frequency disturbance be reduced by the second electric capacity, ensure the stable of the signal on clock cable and data signal line.Wherein, the size of described second electric capacity can be 10 μ F.This second electric capacity can make the waveform of the signal on clock cable and data signal line clearly be identified by I2C agreement.
In a kind of possible implementation, this equipment also comprises: power module; Described power supply terminal is connected with described power module.This equipment can self-powered module, and the voltage swing that this power module exports can be 5v.
In a kind of possible implementation, this equipment comprises:
Described first clock terminal, for being connected with the clock cable of I2C card;
Described second clock terminal, for being connected with the Clock Signal pin of PMBUS interface;
Described first data terminal, for being connected with the data signal line of I2C card;
Described second data terminal, for being connected with the data signal pin of PMBUS interface.
Wherein, described power supply terminal, for being connected with the power lead of described I2C card.
Described ground terminal, for being connected with the ground wire of described I2C card, and is connected with the ResturnS pin of described PMBUS interface.
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with drawings and the specific embodiments, the present invention is described in further detail.
In this embodiment, I2C card is connected with PMBUS interface by this equipment.
As shown in Figure 2, embodiments provide a kind of equipment connecting I2C card and PMBUS interface, comprising:
Clock signal module 201, data-signal module 202;
Described clock signal module 201, comprising: the first resistance 2011, first clock terminal 2012, second clock terminal 2013;
Described data-signal module 202, comprising: the second resistance 2021, first data terminal 2022, second data terminal 2023;
Described first clock terminal 2012 is connected by clock cable with described second clock terminal 2013;
Described first data terminal 2022 is connected by data signal line with described second data terminal 2023;
One end of described first resistance 2011 is connected with described second clock terminal 2013 with described first clock terminal 2012 respectively, and the other end of described first resistance 2011 is connected with power supply terminal 203;
One end of described second resistance 2021 is connected with described second data terminal 2023 with described first data terminal 2022 respectively, and the other end of described second resistance 2021 is connected with described power supply terminal 203.
First electric capacity 204, ground terminal 205;
One end of described first electric capacity 204 is connected with ground terminal 205, and the other end is connected with described power supply terminal 203.
Second electric capacity 206, ground terminal 205;
One end of described second electric capacity 206 is connected with ground terminal 205, and the other end is connected with described power supply terminal 203.
Described first clock terminal 2012, is connected with the SCL signal wire 301 of I2C card 30;
Described second clock terminal 2013, is connected with the Clock Signal pin 401 of PMBUS interface 40;
Described first data terminal 2022, is connected with the SDA signal wire 302 of I2C card 30;
Described second data terminal 2023, is connected with the data signal pin 402 of PMBUS interface 40.
Described power supply terminal 203, is connected with the power lead 303 of described I2C card 30.
Described ground terminal 205, for being connected with the ground wire 304 of described I2C card 30, and is connected with the ResturnS pin 403 of described PMBUS interface 40.
Wherein, the size of described first resistance is 2.8 Ω, and the size of described second resistance is 2.8 Ω, and the size of described first electric capacity is 0.1 μ F, and the size of described second electric capacity is 10 μ F.
Bias current can be provided for clock cable and data signal line by power supply terminal.
The equipment that the embodiment of the present invention provides can also comprise extension fixture, this extension fixture can be the interface be connected with PMBUS interface, particularly, an extended line can be connect on second clock end and the second data terminal, be connected with PMBUS interface by this extended line, the object of extension fixture is to prevent power supply PMBUS interface from frequently plugging the damage of making capital equipment, and extension fixture makes simple, only comprise lead-in wire and without device, can to replace immediately and cost is lower once damage.
It should be noted that: a kind of equipment connecting I2C card and power management bus PMBUS interface that the embodiment of the present invention provides, may be used for a kind of coupling arrangement of Chroma power supply tester.
The PMBUS interface of power supply is all follow certain PMBUS agreement, and the signal of the signal of the signal of PIN1 to be the signal of PMBUSClock, PIN2 be PMBUSDate, PIN3 to be the signal of PMBAlter, PIN4 be ResturnS, PIN5 is NC.First confirm that PMBAlert is the alarm signal that electric current outputs to mainboard, do not have direct relation with communication, the signal of this PIN can not access I2C card; Then PMBUSClock, PMBUSDate are corresponding with SCL, SDA of I2C card respectively; ResturnS signal is actually and is connected with the GND signal of I2C card; PIN5 signal is still empty PIN, does not access I2C card.
The equipment connection PMBUS interface provided by the embodiment of the present invention and I2C card, play communication and decoding function, makes the test of whole power supply more convenient and swift.
By the equipment that the embodiment of the present invention provides, can solve Chroma power supply tester cannot the problem of testing power supply software information, can be monitored power supply by I2C card and this equipment, comparison software and hardware testing data, verify the whether normal of this power supply PMBUS function.
Examine goods because power supply tester is mainly used in IQC, quantity is very large, conveniently can plug testing power supply, raise the efficiency by this equipment.Test signal can be made more stable by this equipment, noise drops to minimum on the impact that performance test causes.By increasing extended line and joint, the maintenance after convenient damage also reduces costs.
The equipment that the embodiment of the present invention provides, may be used for solving PMBUS lead-out terminal and machine in common power supply test process with the problem that cannot mate of the interface of I2C card, make that power supply product is convenient to be tested accurately, and the interface that can reduce I2C card repeatedly plugs suffered infringement, improve ability to communicate additionally by components and parts such as increase electric capacity, reduce interference, effectively can be improved the checkability of checker by this equipment, reduce costs.This equipment can think a kind of PMBUS communication interface, is an adapter of product and dataphone, also can be understood as a demoder.
A kind of equipment connecting I2C card and PMBUS interface that the embodiment of the present invention provides, has following beneficial effect:
1, by a kind of equipment connecting I2C card and PMBUS interface that the embodiment of the present invention provides, can be connected with PMBUS interface with I2C card respectively by the first clock terminal, second clock terminal, the first data terminal, the second data terminal, can ensure the stable of the signal that clock cable and data signal line transmit by the first resistance, the second resistance, and then the signal transmitted between guarantee I2C card and PMBUS interface is stable.
2, by a kind of equipment connecting I2C card and PMBUS interface that the embodiment of the present invention provides, first resistance and the second resistance can match with I2C card, the power supply that is connected with PMBUS interface, and then stable voltage can be provided for clock cable and data signal line, ensure the signal stabilization on clock cable and data signal line.
3, a kind of equipment connecting I2C card and PMBUS interface of providing of the embodiment of the present invention, can reduce high frequency interference by the first electric capacity, ensures the stable of the signal on clock cable and data signal line.The size of described first electric capacity can be 0.1 μ F.This first electric capacity can make the waveform of the signal on clock cable and data signal line clearly be identified by I2C agreement.
4, a kind of equipment connecting I2C card and PMBUS interface of providing of the embodiment of the present invention, can reduce low-frequency disturbance by the second electric capacity, ensures the stable of the signal on clock cable and data signal line.The size of described second electric capacity can be 10 μ F.This second electric capacity can make the waveform of the signal on clock cable and data signal line clearly be identified by I2C agreement.
It should be noted that, in this article, the relational terms of such as first and second and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element " being comprised " limited by statement, and be not precluded within process, method, article or the equipment comprising described key element and also there is other same factor.
One of ordinary skill in the art will appreciate that: all or part of step realizing said method embodiment can have been come by the hardware that programmed instruction is relevant, aforesaid program can be stored in the storage medium of embodied on computer readable, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium in.
Finally it should be noted that: the foregoing is only preferred embodiment of the present invention, only for illustration of technical scheme of the present invention, be not intended to limit protection scope of the present invention.All any amendments done within the spirit and principles in the present invention, equivalent replacement, improvement etc., be all included in protection scope of the present invention.
Claims (10)
1. connect an equipment for I2C card and power management bus PMBUS interface, it is characterized in that, comprising:
Clock signal module, data-signal module;
Described clock signal module, comprising: the first resistance, the first clock terminal, second clock terminal;
Described data-signal module, comprising: the second resistance, the first data terminal, the second data terminal;
Described first clock terminal is connected by clock cable with described second clock terminal;
Described first data terminal is connected by data signal line with described second data terminal;
One end of described first resistance is connected with described second clock terminal with described first clock terminal respectively, and the other end of described first resistance is connected with power supply terminal;
One end of described second resistance is connected with described second data terminal with described first data terminal respectively, and the other end of described second resistance is connected with described power supply terminal.
2. equipment according to claim 1, is characterized in that, the size of described first resistance is 2.8 Ω, and the size of described second resistance is 2.8 Ω.
3. equipment according to claim 1, is characterized in that, also comprises: the first electric capacity, ground terminal;
One end of described first electric capacity is connected with ground terminal, and the other end is connected with described power supply terminal.
4. equipment according to claim 1, is characterized in that, also comprises: the second electric capacity, ground terminal;
One end of described second electric capacity is connected with ground terminal, and the other end is connected with described power supply terminal.
5. equipment according to claim 3, is characterized in that, the size of described first electric capacity is 0.1 μ F.
6. equipment according to claim 4, is characterized in that, the size of described second electric capacity is 10 μ F.
7. equipment according to claim 1, is characterized in that, the span of the size of described first resistance and described second resistance is all 2.8 Ω to 4.7 Ω;
And/or,
Also comprise: power module; Described power supply terminal is connected with described power module.
8. equipment according to claim 1, is characterized in that, comprising:
Described first clock terminal, for being connected with the clock cable of I2C card;
Described second clock terminal, for being connected with the Clock Signal pin of PMBUS interface;
Described first data terminal, for being connected with the data signal line of I2C card;
Described second data terminal, for being connected with the data signal pin of PMBUS interface.
9. device according to claim 8, is characterized in that, described power supply terminal, for being connected with the power lead of described I2C card.
10. device according to claim 8, is characterized in that, described ground terminal, for being connected with the ground wire of described I2C card, and is connected with the ResturnS pin of described PMBUS interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510818768.4A CN105467163B (en) | 2015-11-23 | 2015-11-23 | A kind of equipment of connection I2C cards and PMBUS interfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510818768.4A CN105467163B (en) | 2015-11-23 | 2015-11-23 | A kind of equipment of connection I2C cards and PMBUS interfaces |
Publications (2)
| Publication Number | Publication Date |
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| CN105467163A true CN105467163A (en) | 2016-04-06 |
| CN105467163B CN105467163B (en) | 2018-03-30 |
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| CN201510818768.4A Active CN105467163B (en) | 2015-11-23 | 2015-11-23 | A kind of equipment of connection I2C cards and PMBUS interfaces |
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Cited By (1)
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| CN105467163B (en) | 2018-03-30 |
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