CN101295203A - Creepage eliminating method - Google Patents
Creepage eliminating method Download PDFInfo
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- CN101295203A CN101295203A CNA2007100277743A CN200710027774A CN101295203A CN 101295203 A CN101295203 A CN 101295203A CN A2007100277743 A CNA2007100277743 A CN A2007100277743A CN 200710027774 A CN200710027774 A CN 200710027774A CN 101295203 A CN101295203 A CN 101295203A
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- creepage
- eliminating method
- voltage stabilizing
- data processing
- pulse width
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Abstract
The invention discloses a leakage elimination method which is used for a data processing device of a voltage regulator circuit which consists of a main board (M/B) which is provided with a pulse width modulation controller (PWM controller), a voltage regulator module which is electrically connected with the pulse width modulation controller and a switch component which is electrically connected with the voltage regulator module; the method supplies the power supply with the voltage regulator module when the data processing device is in a standby state; when the voltage regulator module is in the standby state and the pulse width modulation controller carries out potential conversion, the switch component is turned on so as to eliminate the leakage condition generated by the output terminal of the voltage regulator circuit when the data processing device is in the standby state; therefore, the situations that the parts of the main board are burned or error actions are generated by the leakage condition are avoided without adding additional parts.
Description
Technical field
The present invention is relevant for a kind of creepage eliminating method, more detailed it, relevant for a kind of be applied to that tool motherboard (M/B) and this motherboard are provided with the Voltage stabilizing module that electrically connects by controller of pulse width modulation (PWM controller), with this controller of pulse width modulation and the data processing equipment of the mu balanced circuit of the switch module that electrically connects with this Voltage stabilizing module in, in order to eliminate this data processing equipment when holding state (standbymode), in the creepage eliminating method of the electric leakage situation that this circuit output end of pressure-stabilizing produced.
Background technology
Progress along with science and technology, people are also more and more higher for the demand degree that uses sci-tech product, and electronic product is also just going design towards user's thinking direction, the for example consideration of ergonomics, the facility of operation, and the demand of power saving environmental protection or the like, just because the development and the progress of electronics technology, and the convenience that in daily life and work, brings, when design, also can consider in the lump being easy to carry, as the problem of electronic product power supply supply, if will be easy to carry, the stand-by time of then wishing electronic product can be permanent, perhaps the work efficiency of electric power reaches best, so that can have the better running time when carrying, so, how to promote the effect ratio of electronic equipment or lower its unnecessary consume, especially research and development emphasis for a long time, the for example design of standby mode, the design of battery saving mode, the replacement in backlight source or the like is so long as can save the design focal point that the mode of electricity consumption all can be put into portable electronic device.
Therefore; in the design of electronic circuit; the electrical source consumption problem of electronic equipment such as computer is also more paid attention to; and now the motherboard (M/B) on the computer when design; regular meeting carries out the electric leakage that the power output end after voltage stabilizing is handled produces unknown cause at mu balanced circuit; make when motherboard is in the holding state of computer (standby mode) to have a little voltage, take place and this a little voltage promptly can cause part on the motherboard to burn or move abnormal situation.
And be to solve this electric leakage problem, now many should not have the extra resistance of high-power little resistance that increases of voltage part to eliminate electric leakage, and this kind practice not only can produce corresponding cost because of the extra part (being resistance) that increases, and more can cause the power consumption of computer when normal operating conditions.
Therefore, how a kind of creepage eliminating method is provided, can prevent that not only the electric leakage that computer is produced from causing damage or misoperation for the part on the motherboard when holding state, more can make computer when normal operating conditions, can not produce redundant power consumption, real problem for the solution of needing badly at present.
Summary of the invention
Because the problem of above-mentioned known technology, fundamental purpose of the present invention provides a kind of creepage eliminating method, to eliminate data processing equipment when holding state (standby mode), in the electric leakage situation that circuit output end of pressure-stabilizing produced.
Another object of the present invention provides a kind of creepage eliminating method, when avoiding increasing extra part, and the power consumption that is produced.
A further object of the present invention provides a kind of creepage eliminating method, when avoiding increasing extra part, and the cost that is increased.
For finishing above-mentioned all purposes, disclosed creepage eliminating method, be be applied to that tool motherboard (M/B) and this motherboard are provided with controller of pulse width modulation (PWM controller) and the data processing equipment of the mu balanced circuit formed by the Voltage stabilizing module that electrically connects with this controller of pulse width modulation and with the switch module that this Voltage stabilizing module electrically connects at least in, standby power when this method is supplied with this data processing equipment and is in holding state gives this Voltage stabilizing module, make this Voltage stabilizing module when holding state and this controller of pulse width modulation carry out the current potential conversion, make this switch module conducting (turn-on), to eliminate this data processing equipment when the holding state, in the electric leakage situation that this circuit output end of pressure-stabilizing produced.
Compared to known technology, the creepage eliminating method of the present invention mainly standby power when supplying with holding state gives this Voltage stabilizing module, promptly utilize existing part on the motherboard of this data processing equipment, reach when eliminating this data processing equipment and being in holding state, purpose in the electric leakage situation that this circuit output end of pressure-stabilizing produced, by this, not only not needing increases the situation generation that extra part can avoid burning or producing because of the motherboard part that this electric leakage situation is caused misoperation as known technology, more can avoid power consumption that additional parts produced and cost problem because of increasing.
Description of drawings
Fig. 1 is the block schematic diagram of creepage eliminating method embodiment of the present invention.
Fig. 2 is the circuit diagram of creepage eliminating method principle of work of the present invention.
Embodiment
Below by specific instantiation explanation embodiments of the present invention, be familiar with this technician and can understand other advantage of the present invention and effect easily by the content that this instructions disclosed.The present invention also can be implemented or be used by other different instantiation, and the every details in this instructions also can be carried out various modifications and change based on different viewpoints and application under not departing from spirit of the present invention.
See also Fig. 1, be the block schematic diagram of creepage eliminating method embodiment of the present invention.As shown in the figure, be be applied to that tool motherboard (M/B) 10 and this motherboard 10 are provided with controller of pulse width modulation (PWMcontroller) 100 and the data processing equipment 1 of the mu balanced circuit formed by the Voltage stabilizing module 101 that electrically connects with this controller of pulse width modulation 100 and with the switch module 102 that this Voltage stabilizing module 101 electrically connects at least in, in order to eliminate this data processing equipment 1 when holding state (standby mode), the electric leakage situation that the output terminal 103 of the mu balanced circuit on this motherboard 10 (comprising Voltage stabilizing module 101 and switch module 102) is produced.
In present embodiment, this Voltage stabilizing module 101 is synchronous commutation type field-effect transistor driver (Synchronous-Rectified Buck MOSFET Drivers), its model for example is HIP6601B, HIP6603B or HIP6604B etc., in this data processing equipment 1 (when non-standby or off-mode) under normal operating conditions, this mu balanced circuit (comprising Voltage stabilizing module 101 and switch module 103) is used as stabilized supply voltage in order to cooperate this controller of pulse width modulation 100, and the non-pass of these purposes creepage eliminating method of the present invention, and the category that belongs to known technology is not so give unnecessary details its detailed operation mode in this; This switch module 102 is field-effect transistor (MOSFET); This data processing equipment 1 is a computer, for example is server (server), notebook computer (NB) or desktop computer (DT).
The standby power 104 that creepage eliminating method of the present invention is produced when this data processing equipment 1 is in holding state is supplied with this Voltage stabilizing module 101, make this Voltage stabilizing module 101 when holding state and this controller of pulse width modulation 100 carry out the current potential conversion, make this switch module 102 conductings (turn-on), to eliminate this electric leakage situation.
In present embodiment, when holding state and this controller of pulse width modulation 100 carry out the current potential conversion, be meant when holding state and this controller of pulse width modulation 100 are converted to electronegative potential (low) with noble potential (high), that is, when data processing equipment 1 is in holding state, the power supply of the controller of pulse width modulation 100 on its motherboard 10 is closed condition (power off), therefore, the current potential of this controller of pulse width modulation 100 can be converted to electronegative potential from noble potential, at this moment, even this Voltage stabilizing module 101 is by these standby power 104 these switch module 102 conductings, the electric leakage situation that this data processing equipment 1 is produced when the holding state is eliminated.
Be principle and the effect that more clearly demonstrates creepage eliminating method of the present invention, please consult Fig. 2 simultaneously, the synchronous commutation type field-effect transistor driver and this switch module 102 that are model HIP6601B with this Voltage stabilizing module 101 are that field-effect transistor (also being the low-side MOSFET among the figure) is that example describes.
As shown in the figure, this Voltage stabilizing module 101 (being the synchronous commutation type field-effect transistor driver of model HIP6601B) electrically connects by PWM pin and this controller of pulse width modulation 100; This Voltage stabilizing module 101 (being the synchronous commutation type field-effect transistor driver of model HIP6601B) electrically connects by the gate (Gate) of LGATE pin and this switch module 102 (being field-effect transistor); This electric leakage situation results from the output terminal 103 (i.e. the output terminal 103 of this mu balanced circuit) that electrically connects with the drain (Drain) of this switch module 102 (being field-effect transistor); Source electrode (Source) ground connection (GND) of this switch module 102 (being field-effect transistor).
What need be illustrated earlier is, other pin of the assembly of non-pass creepage eliminating method of the present invention and this Voltage stabilizing module 101 in Fig. 2 (being the synchronous commutation type field-effect transistor driver of model HIP6601B) does not add its principle of work of detailed description, that is, below technology contents that only just creepage eliminating method of the present invention is relevant explain.
Creepage eliminating method of the present invention, be that standby power 104 when supplying with this data processing equipment 1 and be in holding state by the PVCC pin of this Voltage stabilizing module 101 (being the synchronous commutation type field-effect transistor driver of model HIP6601B) gives this Voltage stabilizing module 101, in present embodiment, standby power 104 when this data processing equipment 1 is in holding state is 5 volts (V), and when this data processing equipment 1 is in holding state, this controller of pulse width modulation 100 promptly carries out current potential conversion (promptly being converted to electronegative potential from noble potential), at this moment, this Voltage stabilizing module 101 (being the synchronous commutation type field-effect transistor driver of model HIP6601B) also can correspondingly produce start, that is, trigger the gate of this switch module 102 (being field-effect transistor) by its LGATE pin, be conducting state with drain and the source electrode that makes this switch module 102 (being field-effect transistor), therefore, can eliminate (be about to this leakage current and be directed at earth terminal) via the conducting of this switch module 102 (being field-effect transistor) by the electric leakage situation that this output terminal 103 produced.
In sum, the creepage eliminating method of the present invention mainly standby power when supplying with holding state gives this Voltage stabilizing module, promptly utilize existing part (in order to the Voltage stabilizing module in the mu balanced circuit of voltage stabilizing) on the motherboard of this data processing equipment, reach when eliminating this data processing equipment and being in holding state, the purpose of the electric leakage situation that circuit output end of pressure-stabilizing produced on this motherboard, by this, not only not needing increases the situation generation that extra part can avoid burning or producing because of the motherboard part that this electric leakage situation is caused misoperation as known technology, more can avoid power consumption that additional parts produced and cost problem because of increasing.
The foregoing description only is illustrative principle of the present invention and effect thereof, but not is used to limit the present invention.Any have the knack of this technician all can be under spirit of the present invention and category, the foregoing description is modified and is changed.Therefore, the scope of the present invention should be listed as claim.
Claims (13)
1, a kind of creepage eliminating method, be applied to that tool motherboard (M/B) and this motherboard are provided with controller of pulse width modulation (PWM controller) and the data processing equipment of the mu balanced circuit formed by the Voltage stabilizing module that electrically connects with this controller of pulse width modulation and with the switch module that this Voltage stabilizing module electrically connects at least in, in order to eliminate this data processing equipment when holding state (standby mode), in the electric leakage situation that this circuit output end of pressure-stabilizing produced, it is characterized in that this creepage eliminating method may further comprise the steps at least:
Standby power when supplying with this data processing equipment and being in holding state gives this Voltage stabilizing module, makes this Voltage stabilizing module when holding state and this controller of pulse width modulation carry out the current potential conversion, makes this switch module conducting (turn-on), to eliminate this electric leakage situation.
2, creepage eliminating method according to claim 1 is characterized in that: this data processing equipment is a computer.
3, creepage eliminating method according to claim 1, it is characterized in that: when holding state and this controller of pulse width modulation carry out the current potential conversion, be meant when holding state and this controller of pulse width modulation are converted to electronegative potential (1ow) with noble potential (high).
4, creepage eliminating method according to claim 1 is characterized in that: this Voltage stabilizing module is synchronous commutation type field-effect transistor driver (Synchronous-Rectified Buck MOSFET Drivers).
5, creepage eliminating method according to claim 1 is characterized in that: the model of this Voltage stabilizing module is HIP6601B, HIP6603B or HIP6604B.
6, creepage eliminating method according to claim 5 is characterized in that: this Voltage stabilizing module electrically connects by PWM pin and this controller of pulse width modulation.
7, creepage eliminating method according to claim 5 is characterized in that: the standby power when supplying with this data processing equipment and be in holding state by the PVCC pin of this Voltage stabilizing module gives this Voltage stabilizing module.
8, according to claim 1 or 7 described creepage eliminating methods, it is characterized in that: the standby power when this data processing equipment is in holding state is 5 volts (V).
9, creepage eliminating method according to claim 5 is characterized in that: this switch module is field-effect transistor (MOSFET).
10, creepage eliminating method according to claim 9 is characterized in that: this Voltage stabilizing module electrically connects by the gate (Gate) of LGATE pin and this switch module.
11, creepage eliminating method according to claim 9 is characterized in that: this electric leakage situation results from the output terminal that electrically connects with the drain (Drain) of this switch module.
12, creepage eliminating method according to claim 9 is characterized in that: the source electrode of this switch module (Source) ground connection (GND).
13, creepage eliminating method according to claim 9 is characterized in that: this switch module conducting is meant that the drain of this switch module and source electrode are conducting state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100277743A CN101295203A (en) | 2007-04-28 | 2007-04-28 | Creepage eliminating method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100277743A CN101295203A (en) | 2007-04-28 | 2007-04-28 | Creepage eliminating method |
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| Publication Number | Publication Date |
|---|---|
| CN101295203A true CN101295203A (en) | 2008-10-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100277743A Pending CN101295203A (en) | 2007-04-28 | 2007-04-28 | Creepage eliminating method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012152160A1 (en) * | 2011-07-27 | 2012-11-15 | 中兴通讯股份有限公司 | Digital power supply and circuit board |
| TWI831425B (en) * | 2022-10-11 | 2024-02-01 | 新加坡商鴻運科股份有限公司 | Power module, power distribution board and server system |
-
2007
- 2007-04-28 CN CNA2007100277743A patent/CN101295203A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012152160A1 (en) * | 2011-07-27 | 2012-11-15 | 中兴通讯股份有限公司 | Digital power supply and circuit board |
| TWI831425B (en) * | 2022-10-11 | 2024-02-01 | 新加坡商鴻運科股份有限公司 | Power module, power distribution board and server system |
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Open date: 20081029 |