CN105467163B - A kind of equipment of connection I2C cards and PMBUS interfaces - Google Patents
A kind of equipment of connection I2C cards and PMBUS interfaces Download PDFInfo
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- CN105467163B CN105467163B CN201510818768.4A CN201510818768A CN105467163B CN 105467163 B CN105467163 B CN 105467163B CN 201510818768 A CN201510818768 A CN 201510818768A CN 105467163 B CN105467163 B CN 105467163B
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- 238000012360 testing method Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 101100190527 Arabidopsis thaliana PIN5 gene Proteins 0.000 description 2
- 101100190530 Arabidopsis thaliana PIN8 gene Proteins 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 108010059419 NIMA-Interacting Peptidylprolyl Isomerase Proteins 0.000 description 1
- 101150087393 PIN3 gene Proteins 0.000 description 1
- 108010037490 Peptidyl-Prolyl Cis-Trans Isomerase NIMA-Interacting 4 Proteins 0.000 description 1
- 102100026114 Peptidyl-prolyl cis-trans isomerase NIMA-interacting 1 Human genes 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
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Classifications
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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
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Abstract
The invention provides the equipment of a kind of connection I2C cards and power management bus PMBUS interfaces, including：Clock signal module, including：First resistor, the first clock terminal, second clock terminal；Data-signal module, including：Second resistance, the first data terminal, the second data terminal；First clock terminal is connected with the second clock terminal by clock cable；First data terminal is connected with second data terminal by data signal line；One end of first resistor is connected with first clock terminal and the second clock terminal respectively, and the other end of the first resistor is connected with power supply terminal；One end of second resistance is connected with first data terminal and second data terminal respectively, and the other end of the second resistance is connected with the power supply terminal.The invention provides the equipment of a kind of connection I2C cards and PMBUS interfaces, I2C cards can be connected with PMBUS interfaces.
Description
Technical field
The present invention relates to electronic technology field, more particularly to a kind of connection I2C (Inter-Integrated Circuit)
The equipment of card and PMBUS (Power Management Bus, power management bus) interface.
Background technology
Voltage supply module of the power supply as whole server, guarantor is provided to the stable performance and reliability of whole server
Barrier, is possible to all parts that can damage whole server once going wrong, causes heavy losses.The electricity of Chroma 8000
Source tester is the Auto-Test System of presently the preferred and appropriate various power supply units, there is provided many diverse hardware choosings
Select, such as program controlled alternating current/DC power supply, electronic load, numerical digit ammeter, oscillograph, time sequence analyzer and short circuit and mistake
Voltage protection tester.The multifrequency nature of various power supplys can be tested, including the input of voltage changes with output, dynamically, opened
Close sequential, voltage precision, noise analysis etc..By quote the tester test power supply, can on source intercept problems electricity
Source, reduce loss.
Chroma 8000 is to realize that the communication of Switching Power Supply and computer equipment connects by I2C cards, power supply tester according to
I2C agreements write various formulas, and the formula then finished is surveyed by I2C cards and power supply software chip control power supply so as to reach
Try the purpose of different performance.Conventional power supply is communicated generally by PMBUS interfaces with outside, and I2C can not connect with PMBUS
Mouth is connected.
The content of the invention
In view of this, the invention provides the equipment of a kind of connection I2C cards and PMBUS interfaces, can by I2C cards and
PMBUS interfaces are connected.
The invention provides the equipment of a kind of connection I2C cards and PMBUS interfaces, including：
Clock signal module, data-signal module；
The clock signal module, including：First resistor, the first clock terminal, second clock terminal；
The data-signal module, including：Second resistance, the first data terminal, the second data terminal；
First clock terminal is connected with the second clock terminal by clock cable；
First data terminal is connected with second data terminal by data signal line；
One end of the first resistor is connected with first clock terminal and the second clock terminal respectively, and described
The other end of one resistance is connected with power supply terminal；
One end of the second resistance is connected with first data terminal and second data terminal respectively, and described
The other end of two resistance is connected with the power supply terminal.
Further, the size of the first resistor is 2.8 Ω, and the size of the second resistance is 2.8 Ω.
Further, the equipment also includes：First electric capacity, ground terminal；
One end of first electric capacity is connected with ground terminal, and the other end is connected with the power supply terminal.
Further, the equipment also includes：Second electric capacity, ground terminal；
One end of second electric capacity is connected with ground terminal, and the other end is connected with the power supply terminal.
Further, the size of first electric capacity is 0.1 μ F.
Further, the size of second electric capacity is 10 μ F.
Further, the span of the size of the first resistor and the second resistance is 2.8 Ω to 4.7 Ω.
Further, in addition to：Power module；The power supply terminal is connected with the power module.
Further, the equipment includes：
First clock terminal, for being connected with the clock cable of I2C cards；
The second clock terminal, for being connected with the Clock Signal pin of PMBUS interfaces；
First data terminal, for being connected with the data signal line of I2C cards；
Second data terminal, for being connected with the data signal pin of PMBUS interfaces.
Further, the power supply terminal, for being connected with the power line of the I2C cards.
Further, the ground terminal, for being connected with the ground wire of the I2C cards, and with the PMBUS interfaces
ResturnS pins are connected.
The equipment of a kind of connection I2C cards provided by the invention and PMBUS interfaces, passes through the first clock terminal, second clock
Terminal, the first data terminal, the second data terminal can be connected with I2C cards and PMBUS interfaces respectively, pass through first resistor,
Two resistance can ensure the stabilization of the signal transmitted on clock cable and data signal line, and then ensure that I2C cards and PMBUS connect
The stabilization of the signal transmitted between mouthful.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are the present invention
Some embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
These accompanying drawings obtain other accompanying drawings.
Fig. 1 is a kind of connection I2C cards and the schematic diagram of the equipment of PMBUS interfaces that one embodiment of the invention provides；
Fig. 2 is another connection I2C cards and the schematic diagram of the equipment of PMBUS interfaces that one embodiment of the invention provides.
Embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, rather than whole embodiments, based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained on the premise of creative work is not made, belongs to the scope of protection of the invention.
As shown in figure 1, the embodiments of the invention provide the equipment of a kind of connection I2C cards and PMBUS interfaces, this method can be with
Comprise the following steps：
Clock signal module 101, data-signal module 102；
The clock signal module 101, including：First resistor 1011, the first clock terminal 1012, second clock terminal
1013；
The data-signal module 102, including：Second resistance 1021, the first data terminal 1022, the second data terminal
1023；
First clock terminal 1012 is connected with the second clock terminal 1013 by clock cable；
First data terminal 1022 is connected with second data terminal 1023 by data signal line；
One end of the first resistor 1011 respectively with first clock terminal 1012 and the second clock terminal
1013 are connected, and the other end of the first resistor 1011 is connected with power supply terminal 103；
One end of the second resistance 1021 respectively with first data terminal 1022 and second data terminal
1023 are connected, and the other end of the second resistance 1021 is connected with the power supply terminal 103.
The equipment of a kind of connection I2C cards provided in an embodiment of the present invention and PMBUS interfaces, pass through the first clock terminal, the
Two clock terminals, the first data terminal, the second data terminal can be connected with I2C cards and PMBUS interfaces respectively, pass through the first electricity
Resistance, second resistance can ensure the stabilization of the signal transmitted on clock cable and data signal line, so ensure I2C cards with
The stabilization of the signal transmitted between PMBUS interfaces.
In a kind of possible implementation, the size of the first resistor is 2.8 Ω, and the size of the second resistance is
2.8Ω。
In a kind of possible implementation, the span of the size of the first resistor and the second resistance is
2.8 Ω to 4.7 Ω.
The power supply phase that first resistor and second resistance in this implementation can be connected with I2C cards, with PMBUS interfaces
Match somebody with somebody, and then stable voltage can be provided for clock cable and data signal line, ensure clock cable and data signal line
On signal stabilization.
, can be by High-frequency Interference, in order to reduce high frequency because signal on clock cable and data signal line when transmitting
Interference, in a kind of possible implementation, the equipment also includes：First electric capacity, ground terminal；
One end of first electric capacity is connected with ground terminal, and the other end is connected with the power supply terminal.
High-frequency Interference can be reduced by the first electric capacity, ensure the steady of clock cable and the signal on data signal line
It is fixed.Wherein, the size of first electric capacity can be 0.1 μ F.First electric capacity can cause clock cable and data-signal
The waveform of signal on line is clearly identified by I2C agreements.
, can be by low-frequency disturbance, in order to reduce low frequency because signal on clock cable and data signal line when transmitting
Interference, in a kind of possible implementation, the equipment also includes：Second electric capacity, ground terminal；
One end of second electric capacity is connected with ground terminal, and the other end is connected with the power supply terminal.
Low-frequency disturbance can be reduced by the second electric capacity, ensure the steady of clock cable and the signal on data signal line
It is fixed.Wherein, the size of second electric capacity can be 10 μ F.Second electric capacity can cause clock cable and data signal line
On the waveform of signal clearly identified by I2C agreements.
In a kind of possible implementation, the equipment also includes：Power module；The power supply terminal and the power supply mould
Block is connected.The equipment can be with self-powered module, and the voltage swing of power module output can be 5v.
In a kind of possible implementation, the equipment includes：
First clock terminal, for being connected with the clock cable of I2C cards；
The second clock terminal, for being connected with the Clock Signal pin of PMBUS interfaces；
First data terminal, for being connected with the data signal line of I2C cards；
Second data terminal, for being connected with the data signal pin of PMBUS interfaces.
Wherein, the power supply terminal, for being connected with the power line of the I2C cards.
The ground terminal, for being connected with the ground wire of the I2C cards, and with the ResturnS of the PMBUS interfaces
Pin is connected.
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the accompanying drawings and specific embodiment is to this
Invention is described in further detail.
In this embodiment, I2C cards are connected by the equipment with PMBUS interfaces.
As shown in Fig. 2 the embodiments of the invention provide the equipment of a kind of connection I2C cards and PMBUS interfaces, including：
Clock signal module 201, data-signal module 202；
The clock signal module 201, including：First resistor 2011, the first clock terminal 2012, second clock terminal
2013；
The data-signal module 202, including：Second resistance 2021, the first data terminal 2022, the second data terminal
2023；
First clock terminal 2012 is connected with the second clock terminal 2013 by clock cable；
First data terminal 2022 is connected with second data terminal 2023 by data signal line；
One end of the first resistor 2011 respectively with first clock terminal 2012 and the second clock terminal
2013 are connected, and the other end of the first resistor 2011 is connected with power supply terminal 203；
One end of the second resistance 2021 respectively with first data terminal 2022 and second data terminal
2023 are connected, and the other end of the second resistance 2021 is connected with the power supply terminal 203.
First electric capacity 204, ground terminal 205；
One end of first electric capacity 204 is connected with ground terminal 205, and the other end is connected with the power supply terminal 203.
Second electric capacity 206, ground terminal 205；
One end of second electric capacity 206 is connected with ground terminal 205, and the other end is connected with the power supply terminal 203.
First clock terminal 2012, it is connected with the SCL signal line 301 of I2C cards 30；
The second clock terminal 2013, it is connected with the Clock Signal pin 401 of PMBUS interfaces 40；
First data terminal 2022, it is connected with the SDA signal line 302 of I2C cards 30；
Second data terminal 2023, it is connected with the data signal pin 402 of PMBUS interfaces 40.
The power supply terminal 203, it is connected with the power line 303 of the I2C cards 30.
The ground terminal 205, for being connected with the ground wire 304 of the I2C cards 30, and with the PMBUS interfaces 40
ResturnS pins 403 be connected.
Wherein, the size of the first resistor is 2.8 Ω, and the size of the second resistance is 2.8 Ω, first electric capacity
Size be 0.1 μ F, the size of second electric capacity is 10 μ F.
Bias current can be provided by power supply terminal for clock cable and data signal line.
Equipment provided in an embodiment of the present invention can also include extension fixture, and the extension fixture can be and PMBUS interfaces
A connected interface, specifically, an extended line can be connect on second clock end and the second data terminal, passes through the extension
Line is connected with PMBUS interfaces, and the purpose of extension fixture is that the damage of capital equipment is made to prevent power supply PMBUS interfaces from frequently plugging
It is bad, and extension fixture makes simply, only comprising lead without device, once damage can replace immediately and cost is relatively low.
It should be noted that：A kind of connection I2C cards provided in an embodiment of the present invention and power management bus PMBUS interfaces
Equipment, it can be used for a kind of attachment means of Chroma power supply testers.
The PMBUS interfaces of power supply are all to follow certain PMBUS agreements, and PIN1 signal is PMBUS Clock, PIN2's
Signal is that PMBUS Date, PIN3 signal are PMBAlter, and PIN4 signal is ResturnS, and PIN5 signal is NC.It is first
It is that electric current is output to the alarm signal of mainboard first to confirm PMBAlert, is not directly dependent upon with communication, and this PIN signal can be with
I2C cards are not accessed；Then PMBUS Clock, PMBUS Date are corresponding with SCL, SDA of I2C cards respectively；ResturnS signals
Actually it is connected with the GND signals of I2C cards；PIN5 signals are still empty PIN, do not access I2C cards.
PMBUS interfaces and I2C cards are connected by equipment provided in an embodiment of the present invention, communication and decoding function is played, makes
The test enhanced convenience of whole power supply is quick.
By equipment provided in an embodiment of the present invention, can solve Chroma power supply testers can not test power supply software letter
The problem of breath, power supply can be monitored by I2C cards and the equipment, comparison software and hardware testing data, verify the electricity
Source PMBUS functions it is whether normal.
Because power supply tester is mainly used in IQC inspection goods, quantity is very big, and conveniently plug electricity can be tested by the equipment
Source, improve efficiency.By the equipment test signal can be made more stable, noise influences to drop to most to caused by performance test
It is low.By increasing extended line and joint, facilitate the maintenance after damage and reduce cost.
Equipment provided in an embodiment of the present invention, it can be used for solving PMBUS lead-out terminals during common power supply test
The problem of can not being matched with the interface of the I2C cards of machine institute band, make the more convenient accurately test, and can subtracting of power supply product
The interface of few I2C cards repeatedly plugs suffered infringement, improves ability to communicate additionally by components such as increase electric capacity, reduces and do
Disturb, the checkability of inspector can be effectively improved by this equipment, reduces cost.This equipment may be considered one kind
PMBUS communication interfaces, it is an adapter of product and dataphone, it is understood that be a decoder.
The equipment of a kind of connection I2C cards provided in an embodiment of the present invention and PMBUS interfaces, has the advantages that：
1st, by the equipment of a kind of connection I2C cards provided in an embodiment of the present invention and PMBUS interfaces, the first clock end is passed through
Son, second clock terminal, the first data terminal, the second data terminal can be connected with I2C cards and PMBUS interfaces respectively, pass through
First resistor, second resistance can ensure the stabilization of the signal transmitted on clock cable and data signal line, and then ensure I2C
The stabilization of the signal transmitted between card and PMBUS interfaces.
2nd, the equipment of a kind of connection I2C cards provided in an embodiment of the present invention and PMBUS interfaces, first resistor and second are passed through
Resistance can match with I2C cards, the power supply being connected with PMBUS interfaces, and then can be clock cable and data signal line
Stable voltage is provided, ensures the signal stabilization on clock cable and data signal line.
3rd, the equipment of a kind of connection I2C cards provided in an embodiment of the present invention and PMBUS interfaces, can be subtracted by the first electric capacity
Small High-frequency Interference, ensure the stabilization of clock cable and the signal on data signal line.The size of first electric capacity can be
0.1μF.First electric capacity can cause the waveform of the signal on clock cable and data signal line clearly to be known by I2C agreements
Not.
4th, the equipment of a kind of connection I2C cards provided in an embodiment of the present invention and PMBUS interfaces, can be subtracted by the second electric capacity
Small low-frequency disturbance, ensure the stabilization of clock cable and the signal on data signal line.The size of second electric capacity can be
10μF.Second electric capacity can cause the waveform of the signal on clock cable and data signal line clearly to be known by I2C agreements
Not.
It should be noted that herein, such as first and second etc relational terms are used merely to an entity
Or operation makes a distinction with another entity or operation, and not necessarily require or imply and exist between these entities or operation
Any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant be intended to it is non-
It is exclusive to include, so that process, method, article or equipment including a series of elements not only include those key elements,
But also the other element including being not expressly set out, or also include solid by this process, method, article or equipment
Some key elements.In the absence of more restrictions, the key element limited by sentence " including one ", is not arranged
Except other identical factor in the process including the key element, method, article or equipment being also present.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in computer-readable storage medium, the program
Upon execution, the step of execution includes above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
It is last it should be noted that：Presently preferred embodiments of the present invention is the foregoing is only, is merely to illustrate the skill of the present invention
Art scheme, is not intended to limit the scope of the present invention.Any modification for being made within the spirit and principles of the invention,
Equivalent substitution, improvement etc., are all contained in protection scope of the present invention.
Claims (10)
- A kind of 1. equipment of connection I2C cards and power management bus PMBUS interfaces, it is characterised in that including：Clock signal module, data-signal module；The clock signal module, including：First resistor, the first clock terminal, second clock terminal；The data-signal module, including：Second resistance, the first data terminal, the second data terminal；First clock terminal is connected with the second clock terminal by clock cable；First data terminal is connected with second data terminal by data signal line；One end of the first resistor is connected with first clock terminal and the second clock terminal respectively, first electricity The other end of resistance is connected with power supply terminal；One end of the second resistance is connected with first data terminal and second data terminal respectively, second electricity The other end of resistance is connected with the power supply terminal.
- 2. equipment according to claim 1, it is characterised in that the size of the first resistor is 2.8 Ω, second electricity The size of resistance is 2.8 Ω.
- 3. equipment according to claim 1, it is characterised in that also include：First electric capacity, ground terminal；One end of first electric capacity is connected with ground terminal, and the other end is connected with the power supply terminal.
- 4. equipment according to claim 1, it is characterised in that also include：Second electric capacity, ground terminal；One end of second electric capacity is connected with ground terminal, and the other end is connected with the power supply terminal.
- 5. equipment according to claim 3, it is characterised in that the size of first electric capacity is 0.1 μ F.
- 6. equipment according to claim 4, it is characterised in that the size of second electric capacity is 10 μ F.
- 7. equipment according to claim 1, it is characterised in that the size of the first resistor and the second resistance takes Value scope is 2.8 Ω to 4.7 Ω；And/orAlso include：Power module；The power supply terminal is connected with the power module.
- 8. equipment according to claim 1, it is characterised in that including：First clock terminal, for being connected with the clock cable of I2C cards；The second clock terminal, for being connected with the Clock Signal pin of PMBUS interfaces；First data terminal, for being connected with the data signal line of I2C cards；Second data terminal, for being connected with the data signal pin of PMBUS interfaces.
- 9. equipment according to claim 8, it is characterised in that the power supply terminal, for the power line with the I2C cards It is connected.
- 10. equipment according to claim 8, it is characterised in that ground terminal is used for the ground wire phase with the I2C cards Even, and it is connected with the ResturnS pins of the PMBUS interfaces.
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 |
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| Publication Number | Publication Date |
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| CN105467163A CN105467163A (en) | 2016-04-06 |
| CN105467163B true 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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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106354685A (en) * | 2016-08-19 | 2017-01-25 | 浪潮电子信息产业股份有限公司 | Implementation method of PSU and ME communication I2C bus hang recovery |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408593A (en) * | 2008-02-28 | 2009-04-15 | 浪潮电子信息产业股份有限公司 | Method for detecting availability of power supply |
| CN103793344A (en) * | 2012-10-31 | 2014-05-14 | 华为技术有限公司 | Method and system for processing data collision |
| CN104461647A (en) * | 2014-12-22 | 2015-03-25 | 浪潮电子信息产业股份有限公司 | Implementation method for remotely refreshing server power modules in batch |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110302357A1 (en) * | 2010-06-07 | 2011-12-08 | Sullivan Jason A | Systems and methods for dynamic multi-link compilation partitioning |
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2015
- 2015-11-23 CN CN201510818768.4A patent/CN105467163B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101408593A (en) * | 2008-02-28 | 2009-04-15 | 浪潮电子信息产业股份有限公司 | Method for detecting availability of power supply |
| CN103793344A (en) * | 2012-10-31 | 2014-05-14 | 华为技术有限公司 | Method and system for processing data collision |
| CN104461647A (en) * | 2014-12-22 | 2015-03-25 | 浪潮电子信息产业股份有限公司 | Implementation method for remotely refreshing server power modules in batch |
Non-Patent Citations (1)
| Title |
|---|
| 设计适合工业、电信和医疗应用的鲁棒隔离式I～2C/PMBus数据接口;Maurice O’Brien;《今日电子》;20140915(第9期);41-44 * |
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| CN105467163A (en) | 2016-04-06 |
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