CN202737879U - Low power consumption circuit for optical module and optical module - Google Patents
Low power consumption circuit for optical module and optical module Download PDFInfo
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- CN202737879U CN202737879U CN 201220361536 CN201220361536U CN202737879U CN 202737879 U CN202737879 U CN 202737879U CN 201220361536 CN201220361536 CN 201220361536 CN 201220361536 U CN201220361536 U CN 201220361536U CN 202737879 U CN202737879 U CN 202737879U
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- power supply
- reduction voltage
- optical module
- voltage circuit
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Abstract
The utility model discloses a low power consumption circuit for an optical module and the optical module. The low power consumption circuit comprises multiple functional circuit units and a system power supply power source supplying power for the multiple functional circuit units and further comprises a voltage reduction circuit unit, wherein power supply terminals of partial or complete functional circuit units are connected with the system power supply power source through the voltage reduction circuit unit. By arranging the voltage reduction circuit unit, the low power consumption circuit can reduce power supply voltage while normal work of the functional circuit units in the optical module is not influenced, and thereby power consumption reduction is realized.
Description
Technical field
The utility model relates to the optical communication technique field, specifically, relates to optical module with low consumption circuit and has the optical module of this circuit.
Background technology
In recent years, the development of optical module is more and swifter and more violent, and is also more and more obvious to the trend of optical module low-power consumption and miniaturization requirement.The volume of equipment vendors' communication equipment is more and more less, and the interface density that interface board comprises is more and more higher, all requires optical module to the future development of low-power consumption, miniaturization.Such as SFP+ LR optical module, equipment vendors generally require its power consumption to accomplish in the 1W, and some equipment vendors require to accomplish in the 0.8W especially.For SFP+ ZR optical module, equipment vendors require also to accomplish that 1.5W is with interior power consumption.If the optical module volume reduces, can cause the heat radiation difficulty, thereby increase the power consumption of optical module, therefore, requirement to optical module low-power consumption and miniaturization is conflicting, so, how effectively to reduce power consumption and become optical module realization low-power consumption and the particularly important problem of miniaturization development.
The method of traditional reduction optical module power consumption generally is the laser assembly of selecting the integrated chip of low-power consumption and high oblique rate, high coupling efficiency.There is following defective in the method for this reduction optical module power consumption: the one, and very Dependency Set becomes technique and the performance of chip and optical device assembly self, relies on very much integrated chip supply manufacturer and optical device supplier to input and the supporting dynamics of low-power consumption product; The 2nd, this class chip and laser assembly price are more expensive, have increased the cost of optical module, thereby have weakened the competitiveness of product; Moreover, after having adopted the laser assembly of low-power consumption integrated chip and high oblique rate, high coupling efficiency, when the low-power consumption that does not but still reach equipment vendors required, the method for this reduction optical module power consumption immediately can enter into a blind alley, the low-power consumption requirement of facing customers seems incompetent unable.
Summary of the invention
The utility model provides a kind of optical module low consumption circuit for having the defects that exists when optical module is realized low-power consumption now, by the reduction voltage circuit unit is set in circuit, can under the prerequisite that does not affect functional circuit unit normal operation in the optical module, reduce its supply power voltage, and then realize reducing the purpose of power consumption.
For realizing above-mentioned technical purpose, low consumption circuit of the present utility model is achieved by the following technical solutions:
A kind of optical module low consumption circuit, comprise that a plurality of functional circuit unit reach the system power supply power supply for the functional circuit unit power supply, also include the reduction voltage circuit unit, partly or entirely the power end of functional circuit unit is connected with the system power supply power supply through the reduction voltage circuit unit.
Aforesaid low consumption circuit, simplify and low-power consumption for taking into account circuit structure, the quantity of described reduction voltage circuit unit is 1, and the power end of described a plurality of functional circuit unit is connected with the reduction voltage circuit unit respectively, and then is connected with described system power supply power supply through the reduction voltage circuit unit.
Aforesaid low consumption circuit, for realizing to greatest extent the low-power consumption of each functional circuit unit, the quantity of described reduction voltage circuit unit equates with the quantity of described functional circuit unit, the power end of each functional circuit unit connects respectively a reduction voltage circuit unit, and then is connected with described system power supply power supply through the reduction voltage circuit unit.
Aforesaid low consumption circuit, described reduction voltage circuit unit can adopt following structure to realize: include gate-controlled switch, the electric current of switch ways flows into to hold and is connected with the power end of described system power supply power supply in the gate-controlled switch, and the outflow of bus current end of switch ways is connected with the earth terminal of system power supply power supply through LC series connection low pass filter, the two ends of LC series connection low pass filter are parallel with fly-wheel diode, and the connect positive pole of the capacitor C in the low pass filter of the power end of the described functional circuit unit that is connected with the reduction voltage circuit unit and LC is connected.
Wherein, described gate-controlled switch is any in triode or the metal-oxide-semiconductor.
In addition, the utility model also provides a kind of optical module, by low consumption circuit is set in optical module, can realize with lower cost the low power capabilities of optical module.
For realizing above-mentioned technical purpose, optical module of the present utility model adopts following technical proposals to realize:
A kind of optical module, comprise receiver circuit unit, transmitter circuitry unit, control circuit unit and optical assembly totally four functional circuit unit, also include the reduction voltage circuit unit, the part unit in four functional circuit unit or all the power end of unit be connected with the system power supply power supply of powering for corresponding units through the reduction voltage circuit unit.
Aforesaid optical module, for taking into account circuit structure simplification, optical module miniaturization and low power capabilities, the quantity of described reduction voltage circuit unit is 1, the power end of described four functional circuit unit is connected with the reduction voltage circuit unit respectively, and then is connected with the system power supply power supply of powering for the corresponding function circuit unit through the reduction voltage circuit unit.
Aforesaid optical module, for thereby the low-power consumption that realizes to greatest extent each functional circuit unit realizes minimum optical module power consumption, the quantity of described reduction voltage circuit unit is 4, described four functional circuit unit are connected with one of them reduction voltage circuit unit respectively, and then are connected with the system power supply power supply of powering for functional circuit unit through the reduction voltage circuit unit.
Aforesaid optical module, described reduction voltage circuit unit adopts following structure to realize: include gate-controlled switch, the electric current of switch ways flows into to hold and is connected with the power end of described system power supply power supply in the gate-controlled switch, and the outflow of bus current end of switch ways is connected with the earth terminal of system power supply power supply through LC series connection low pass filter, the two ends of LC series connection low pass filter are parallel with fly-wheel diode, and the connect positive pole of the capacitor C in the low pass filter of the power end of the described functional circuit unit that is connected with the reduction voltage circuit unit and LC is connected.
Wherein, described gate-controlled switch is any in triode or the metal-oxide-semiconductor.
Compared with prior art, advantage of the present utility model and good effect are: the utility model utilizes the functional circuit unit in the optical module to have characteristics than the wide supply voltage scope, by the reduction voltage circuit unit is set, with the real work lower voltage of functional circuit unit to the low-voltage of allowing, reduced the power consumption of functional circuit unit, and then realized the low power capabilities of optical module with lower cost and simple structure, satisfy the low-power consumption requirement that equipment vendors propose, increased product competitiveness.
After reading by reference to the accompanying drawings embodiment of the present utility model, other characteristics of the present utility model and advantage will become clearer.
Description of drawings
Fig. 1 is the structural representation that the utlity model has an embodiment of optical module of low consumption circuit;
Fig. 2 is the structural representation that the utlity model has another embodiment of optical module of low consumption circuit;
Fig. 3 is the physical circuit schematic diagram of the embodiment in reduction voltage circuit unit.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in detail.
At first, brief description Technology design starting point of the present utility model: the functional circuit unit in the existing optical module generally all adopts integrated chip to realize, in the electrical characteristic of integrated chip, supply power voltage for power supply, generally all mark a wider voltage range, integrated chip can both work in this voltage range.Supply power voltage such as fruit chip is lower, and its power consumption is just lower.The utility model is considered under the prerequisite that does not affect the circuit normal operation in conjunction with this characteristic, the supply power voltage of reduce circuit, thus reach the purpose that reduces power consumption.
Please refer to the structural representation of an embodiment of the optical module that the utlity model has low consumption circuit shown in Figure 1.
As shown in Figure 1, the optical module of this embodiment includes transmitter circuitry unit 11, receiver circuit unit 12, control circuit unit 13 and optical assembly 14 totally four functional circuit unit, and the system power supply power supply 17 on the system board is these four functional circuit unit power supplies by the electrical interface 16 of optical module.According to the related standards regulation of optical module, system power supply power supply 17 will satisfy the Transistor-Transistor Logic level of standard for the power supply of each functional circuit unit of optical module.And the needed power supply of the optical module of different packing forms is different, and therefore, some system boards can provide 3.3V and two kinds of power supplies of 5V, and some system boards only can provide the power supply of 3.3V.Explain for unified, the power supply of each functional circuit unit adopts dotted line to illustrate among the figure, and the power supply that represents each power supply circuits unit can be identical or different electric power network signal, but all is to come from system power supply power supply 17.
For realizing the low-power consumption of optical module, especially for reducing the power consumption of transmitter circuitry unit 11, control circuit unit 13 and optical assembly 14, the optical module of this embodiment also is provided with a reduction voltage circuit unit 15 that is connected with electrical interface 16, the power end 140 of the power end 110 of transmitter circuitry unit 11, the power end 130 of control circuit unit 13 and optical assembly 14 is connected with reduction voltage circuit unit 15 respectively, so through reduction voltage circuit unit 15 and electrical interface 16 be connected with system power supply power supply 17.Power supply signal from system power supply power supply 17 carries out DC decompression by step-down single channel unit 15, convert to and can satisfy simultaneously the low voltage signal that transmitter circuitry unit 11, control circuit unit 13 and optical assembly 14 are allowed, this three functions circuit unit is worked under the power supply signal of low-voltage, thereby has reduced its power consumption.
Requiring for power consumption is not very high optical module, consider from simplifying the circuit structure aspect, can adopt the described structure that a reduction voltage circuit unit 15 is set of this embodiment, and the supply voltage area requirement according to the difference in functionality circuit unit, carry out step-down by this reduction voltage circuit unit 15 for the supply voltage of three functions circuit unit wherein, and power by system power supply power supply 17 between the receiver circuit unit 12.Reduction voltage circuit unit 15 can adopt the various circuit structures that can realize DC decompression in the prior art to realize, one of them physical circuit can adopt structure shown in Figure 3, and its decompression principle and with being connected of optical module interlock circuit can be with reference to following description to Fig. 3.
If require the power consumption of optical module low as much as possible, when the minimum supply power voltage that allows in its each functional circuit unit is all identical, then may be thought of as each reduction voltage circuit unit of functional circuit unit configuration, so that each functional circuit unit all can be operated under the minimum power supply voltage, of permission, reducing to greatest extent the power consumption of each functional circuit unit, and then reduce the power consumption of whole optical module.Specifically can be with reference to embodiment shown in Figure 2 and following description to Fig. 2 embodiment.
As shown in Figure 2, this embodiment shows the structural representation of another embodiment of optical module that the utlity model has low consumption circuit.
The optical module of this embodiment also includes transmitter circuitry unit 21, receiver circuit unit 22, control circuit unit 23 and optical assembly 24 totally four functional circuit unit, and the system power supply power supply 27 on the system board is these four functional circuit unit power supplies by the electrical interface 26 of optical module.Similar with Fig. 1 embodiment, explain for unified, the power supply of each functional circuit unit adopts dotted line to illustrate among the figure, and the power supply that represents each power supply circuits unit can be identical or different electric power network signal, but all is to come from system power supply power supply 27.
Be the power consumption of each functional circuit unit in the reduction optical module, and then reduce the power consumption of whole optical module, this embodiment respectively is provided with a direct-current voltage reducing circuit unit in the power supply circuits of each functional circuit unit.Specifically, include altogether four step-down single channel unit 251,252,253 and 254, these four reduction voltage circuit unit one ends are connected with electrical interface 26 respectively, and the other end is connected with the power end 220 of receiver circuit unit 22, the power end 210 of transmitter circuitry unit 21, the power end 240 of optical assembly 24 and the power end 230 of control circuit unit 23 respectively.Power supply signal from system power supply power supply 27 carries out DC decompression by each step-down single channel unit respectively, convert to and can satisfy respectively the allowed low voltage signal in receiver circuit unit 22, transmitter circuitry unit 21, optical assembly 24 and control circuit unit 23, so that these four functional circuit unit all are operated under the power supply signal of low-voltage, power consumption is lower, thereby has reduced to greatest extent the power consumption of optical module.
Each reduction voltage circuit unit can adopt the various circuit structures that can realize DC decompression in the prior art to realize, one of them physical circuit can adopt structure shown in Figure 3, and its decompression principle and with being connected of optical module interlock circuit can be with reference to following description to Fig. 3.
The described situation that a reduction voltage circuit unit respectively is set for each functional circuit unit of this embodiment is suitable for all not identical situations of minimum supply power voltage that each functional circuit unit allows, if have power supply voltage range, the identical functional circuit unit of especially minimum supply power voltage, can adopt same functional circuit unit, as described in Fig. 1 embodiment, the different functional circuit unit of other power supplies adopts other functional circuit unit again, so just can guarantee that each functional circuit unit all is operated under the lowest power consumption that does not affect its normal working performance.
Please refer to Fig. 3, this Figure 3 shows that the physical circuit schematic diagram of the embodiment in reduction voltage circuit unit in the optical module of above-mentioned two embodiment.
As shown in Figure 3, optical module structure schematic diagram in conjunction with Figure 1 and Figure 2, the reduction voltage circuit unit of this embodiment includes controllable switch S, it has switch ways and control end, wherein, the electric current of the switch ways of controllable switch S flows into end a and is connected with the power end VCC of system power supply power supply, and the outflow of bus current end b of switch ways is connected with the earth terminal GND of system power supply power supply through the inductance L LC series connection low pass filter that series connection consists of with capacitor C.And, two ends at LC series connection low pass filter also are parallel with sustained diode, wherein, the positive pole of diode D is connected with the negative pole of capacitor C, and the positive pole of diode D is connected on the outflow of bus current end b and the connecting line between the inductance L in the controllable switch S switch ways.Controllable switch S can select triode or metal-oxide-semiconductor to realize, perhaps selects other can realize that controlled switch realizes.
When stating in the use the reduction voltage circuit unit of circuit structure, the power end of functional circuit unit will with LC connect the positive pole of the capacitor C in the low pass filter, also namely the terminal e among the figure is connected.At this moment, the operation principle of whole reduction voltage circuit unit is as follows:
Controllable switch S is as a full control elements, externally selectivity conducting and cut-off under the control of pwm signal.The cycle of supposing pwm control signal is T, and duty ratio is d, controllable switch S will
The time conducting,
Cut-off.When the controllable switch S conducting, diode D cut-off, the power end VCC of system power supply power supply is the capacitor C charging.When controllable switch S is ended, diode D conducting, capacitor C will be discharged by diode D.In this process, according to the weber equation of equilibrium, the voltage at the anodal e place of capacitor C, be output voltage V o=VCC*d.Because duty ratio d less than or equal to 1, therefore, by selecting the control signal of suitable duty ratio d, can realize reduced output voltage.And, select suitable capacitor C and the value of inductance L, can be so that the step-down signal of its output satisfies the supply power voltage demand that is attached thereto the functional circuit unit that connects.
Above embodiment is only in order to illustrating the technical solution of the utility model, but not limits it; Although with reference to previous embodiment the utility model is had been described in detail, for the person of ordinary skill of the art, still can make amendment to the technical scheme that previous embodiment is put down in writing, perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of the utility model technical scheme required for protection.
Claims (10)
1. optical module low consumption circuit, comprise that a plurality of functional circuit unit reach the system power supply power supply for the functional circuit unit power supply, it is characterized in that, also include the reduction voltage circuit unit, partly or entirely the power end of functional circuit unit is connected with the system power supply power supply through the reduction voltage circuit unit.
2. low consumption circuit according to claim 1, it is characterized in that, the quantity of described reduction voltage circuit unit is 1, and the power end of described a plurality of functional circuit unit is connected with the reduction voltage circuit unit respectively, and then is connected with described system power supply power supply through the reduction voltage circuit unit.
3. low consumption circuit according to claim 1, it is characterized in that, the quantity of described reduction voltage circuit unit equates with the quantity of described functional circuit unit, the power end of each functional circuit unit connects respectively a reduction voltage circuit unit, and then is connected with described system power supply power supply through the reduction voltage circuit unit.
4. each described low consumption circuit in 3 according to claim 1, it is characterized in that, described reduction voltage circuit unit includes gate-controlled switch, the electric current of switch ways flows into to hold and is connected with the power end of described system power supply power supply in the gate-controlled switch, and the outflow of bus current end of switch ways is connected with the earth terminal of system power supply power supply through LC series connection low pass filter, the two ends of LC series connection low pass filter are parallel with fly-wheel diode, and the connect positive pole of the capacitor C in the low pass filter of the power end of the described functional circuit unit that is connected with the reduction voltage circuit unit and LC is connected.
5. low consumption circuit according to claim 4 is characterized in that, described gate-controlled switch is any in triode or the metal-oxide-semiconductor.
6. optical module, comprise receiver circuit unit, transmitter circuitry unit, control circuit unit and optical assembly totally four functional circuit unit, it is characterized in that, also include the reduction voltage circuit unit, the part unit in four functional circuit unit or all the power end of unit be connected with the system power supply power supply of powering for corresponding units through the reduction voltage circuit unit.
7. optical module according to claim 6, it is characterized in that, the quantity of described reduction voltage circuit unit is 1, the power end of described four functional circuit unit is connected with the reduction voltage circuit unit respectively, and then is connected with the system power supply power supply of powering for the corresponding function circuit unit through the reduction voltage circuit unit.
8. optical module according to claim 6, it is characterized in that, the quantity of described reduction voltage circuit unit is 4, and described four functional circuit unit are connected with one of them reduction voltage circuit unit respectively, and then is connected with the system power supply power supply of powering for functional circuit unit through the reduction voltage circuit unit.
9. each described optical module in 8 according to claim 6, it is characterized in that, described reduction voltage circuit unit includes gate-controlled switch, the electric current of switch ways flows into to hold and is connected with the power end of described system power supply power supply in the gate-controlled switch, and the outflow of bus current end of switch ways is connected with the earth terminal of system power supply power supply through LC series connection low pass filter, the two ends of LC series connection low pass filter are parallel with fly-wheel diode, and the connect positive pole of the capacitor C in the low pass filter of the power end of the described functional circuit unit that is connected with the reduction voltage circuit unit and LC is connected.
10. optical module according to claim 9 is characterized in that, described gate-controlled switch is any in triode or the metal-oxide-semiconductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361536 CN202737879U (en) | 2012-07-25 | 2012-07-25 | Low power consumption circuit for optical module and optical module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220361536 CN202737879U (en) | 2012-07-25 | 2012-07-25 | Low power consumption circuit for optical module and optical module |
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| CN202737879U true CN202737879U (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201220361536 Expired - Lifetime CN202737879U (en) | 2012-07-25 | 2012-07-25 | Low power consumption circuit for optical module and optical module |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306157A (en) * | 2016-04-20 | 2017-10-31 | 成都芯瑞科技股份有限公司 | The SFF LVDS level of 155M super low-power consumptions technical grade 2 × 5 compatibility optical module |
| CN107306156A (en) * | 2016-04-20 | 2017-10-31 | 成都芯瑞科技股份有限公司 | 155M super low-power consumption technical grade SFP optical modules |
| CN107786278A (en) * | 2016-08-26 | 2018-03-09 | 成都芯瑞科技股份有限公司 | SFP low-power consumption is double to receive optical module |
| CN107786271A (en) * | 2016-08-26 | 2018-03-09 | 成都芯瑞科技股份有限公司 | The double light emitting modules of SFP low-power consumption |
-
2012
- 2012-07-25 CN CN 201220361536 patent/CN202737879U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107306157A (en) * | 2016-04-20 | 2017-10-31 | 成都芯瑞科技股份有限公司 | The SFF LVDS level of 155M super low-power consumptions technical grade 2 × 5 compatibility optical module |
| CN107306156A (en) * | 2016-04-20 | 2017-10-31 | 成都芯瑞科技股份有限公司 | 155M super low-power consumption technical grade SFP optical modules |
| CN107786278A (en) * | 2016-08-26 | 2018-03-09 | 成都芯瑞科技股份有限公司 | SFP low-power consumption is double to receive optical module |
| CN107786271A (en) * | 2016-08-26 | 2018-03-09 | 成都芯瑞科技股份有限公司 | The double light emitting modules of SFP low-power consumption |
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Granted publication date: 20130213 |
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| CX01 | Expiry of patent term |