CN205986883U

CN205986883U - Two light emitting modules of SFP low -power consumption

Info

Publication number: CN205986883U
Application number: CN201620958460.XU
Authority: CN
Inventors: 廖强
Original assignee: Chengdu Xinrui Technology Co Ltd
Current assignee: Chengdu Xinrui Technology Co Ltd
Priority date: 2016-08-26
Filing date: 2016-08-26
Publication date: 2017-02-22
Anticipated expiration: 2026-08-26

Abstract

The utility model discloses a two light emitting modules of SFP low -power consumption, including the golden finger of SFP encapsulation, the input of signal branching unit is connected to the golden finger, and a laser driver, the 2nd laser driver's input is connected respectively to two outputs of signal branching unit, and a light emitting devices, the 2nd light emitting devices's input is connected respectively to a laser driver, the 2nd laser driver's output, still including the singlechip and falling the consumption unit, the singlechip all is connected with a laser driver, the 2nd laser driver, falls the consumption unit and all is connected with a laser driver, the 2nd laser driver. The utility model discloses can realize the two functions of sending out of an optical module, reduce the whole consumption of optical module in addition, reach higher integrated circuit board utilization ratio, the effect of energy saving.

Description

The double light emitting module of SFP low-power consumption

Technical field

This utility model is related to optical communication field, the double light emitting module of more particularly, to a kind of SFP low-power consumption.

Background technology

Optical module has highly important status in optical communication field.Hasten towards saturation with global optic communication long-distance network day, The constructing emphases of optic communication turn to Metropolitan Area Network (MAN) and access network, and photoelectric device and its technology are also to high speed, modularity, integrated Change, multi-functional, motility, inexpensive direction are developed.

In current fiber optic communication field, conventional optical module has not increasingly had advantage, and market demand compatibility is more The optical module application high, power consumption is lower, integrated level is higher.

In transmission of video industry, equipment adopts the SFP interface of conventional criteria in the design, but in actually used process In, often only need to using optical module single-shot and single receive function, therefore, conventional optical fiber transceiver module using send out when Wait receiving terminal just vacant, just vacant using transmitting terminal when receipts, cause the board wasting of resources.

Utility model content

This utility model is capable of the double function of sending out of an optical module, in addition reduces optical module overall power, reaches more High board utilization rate, the effect of energy saving.

For reaching above-mentioned purpose, this utility model employs the following technical solutions realization：

The double light emitting module of SFP low-power consumption disclosed in this utility model it is characterised in that：Including the golden finger of SFP encapsulation, institute State the input that golden finger connects signal shunt, two outfans of described signal shunt connect first laser respectively and drive Device, the input of second laser driver, described first laser driver, the outfan of second laser driver connect respectively One light emitting devices, the input of the second light emitting devices；Also include single-chip microcomputer and reducing power consumption unit, described single-chip microcomputer and first Laser driver, second laser driver are all connected with, described reducing power consumption unit and first laser driver, second laser driver It is all connected with.

Preferably, described signal shunt includes integrated circuit SY89851.

Preferably, described reducing power consumption unit includes integrated circuit TPS6223X, 1 foot of described integrated circuit TPS6223X, 4 Foot is grounded, and 2 feet of integrated circuit TPS6223X connect one end of inductance L1, and the other end of inductance L1 connects one end of resistance R1, The other end of resistance R1 connects 6 feet of integrated circuit TPS6223X, one end of resistance R2, and the other end of resistance R2 is grounded, integrated 3 feet of circuit TPS6223X, 5 feet connect 3.3V DC source, and the other end of inductance L1 is first laser driver, second laser Driver provides running voltage.

Further, in described reducing power consumption unit, described 3.3V DC source is provided with filter capacitor C1, described running voltage It is provided with filter capacitor C2.

The input electrical signal of golden finger of the present utility model is divided into two path signal by signal shunt, then two-way electricity Signal passes through two-way laser driver respectively and light emitting devices exports two ways of optical signals, and realizes fall by reducing power consumption unit The function of low optical module power consumption.

Reducing power consumption unit mainly acts on laser driver and light emitting devices, and its principle mainly adopts efficient DC-DC reduction voltage circuit, realizes reducing the work of circuit power consumption by reducing the supply voltage of laser driver and light emitting devices With general high efficiency dc-to-dc chip can reach more than 95% efficiency.Wherein C1, C2 are power filtering capacitors, can filter Except the power supply noise on circuit；The size adjusting R1 and R2 resistance can obtain the output voltage size of our needs.

The beneficial effects of the utility model are as follows：

1st, this utility model maximum has an advantage that on the basis of compatible tradition optical fiber transceiver module electrical interface, realizes The double function of sending out of optical module；

2nd, this utility model improves the utilization rate of equipment plate card, and single-shot module is changed to double modules, and communication link carries High twice；

3rd, this utility model reduces the power consumption of optical module, this programme optical module warm power consumption about 0.3W entirely, and overall power drops It is at half；

4th, this utility model power consumption is ultralow, and caloric value is minimum, can meet the high density under technical grade temperature applications completely Equipment uses.

Brief description

Fig. 1 is theory diagram of the present utility model.

Fig. 2 is golden finger, signal shunt, the schematic diagram of laser driver portion.

Fig. 3 is the schematic diagram of reducing power consumption unit.

Specific embodiment

In order that the purpose of this utility model, technical scheme and advantage become more apparent, below in conjunction with accompanying drawing, to this reality It is further elaborated with new.

As shown in figure 1, the double light emitting module of SFP low-power consumption disclosed in this utility model, including the golden finger of SFP encapsulation, gold Finger connects the input of signal shunt, two outfans of signal shunt connect respectively first laser driver, second The input of laser driver, first laser driver, the outfan of second laser driver connect the first optical transmitting set respectively Part, the input of the second light emitting devices；Also include single-chip microcomputer and reducing power consumption unit, single-chip microcomputer and first laser driver, the Dual-laser driver is all connected with, and reducing power consumption unit is all connected with first laser driver, second laser driver.

As shown in Fig. 2 signal shunt includes integrated circuit SY89851,17 feet of golden finger, 18 feet connect integrated respectively 1 foot of circuit SY89851,4 feet, 9 feet of integrated circuit SY89851,10 one ballistic device of connection, integrated circuit SY89851 11 feet, 12 connection another ballistic device.

As shown in figure 3, reducing power consumption unit includes integrated circuit TPS6223X, 1 foot of described integrated circuit TPS6223X, 4 Foot is grounded, and 2 feet of integrated circuit TPS6223X connect one end of inductance L1, and the other end of inductance L1 connects one end of resistance R1, The other end of resistance R1 connects 6 feet of integrated circuit TPS6223X, one end of resistance R2, and the other end of resistance R2 is grounded, integrated 3 feet of circuit TPS6223X, 5 feet connect 3.3V DC source, and the other end of inductance L1 is the first limiting amplifier, the second amplitude limit Amplifier provides running voltage；3.3V DC source is provided with filter capacitor C1, and running voltage is provided with filter capacitor C2.

Certainly, this utility model also can have other various embodiments, spiritual and its substantive without departing substantially from this utility model In the case of, those of ordinary skill in the art can make various corresponding changes according to this utility model and deform, but these phases The change answered and deformation all should belong to the scope of the claims appended by this utility model.

Claims

The double light emitting module of 1.SFP low-power consumption it is characterised in that：Including the golden finger of SFP encapsulation, described golden finger connects signal and divides The input of road device, two outfans of described signal shunt connect first laser driver, second laser driver respectively Input, described first laser driver, the outfan of second laser driver connect respectively the first light emitting devices, second The input of light emitting devices；Also include single-chip microcomputer and reducing power consumption unit, described single-chip microcomputer and first laser driver, second swash CD-ROM driver is all connected with, and described reducing power consumption unit is all connected with first laser driver, second laser driver.
2. the double light emitting module of SFP low-power consumption according to claim 1 it is characterised in that：Described signal shunt includes collecting Become circuit SY89851.
3. the double light emitting module of SFP low-power consumption according to claim 1 it is characterised in that：Described reducing power consumption unit includes collecting Become circuit TPS6223X, 1 foot of described integrated circuit TPS6223X, 4 foot ground connection, 2 feet of integrated circuit TPS6223X connect electricity One end of sense L1, the other end of inductance L1 connects one end of resistance R1, and the other end of resistance R1 connects integrated circuit TPS6223X 6 feet, one end of resistance R2, resistance R2 the other end ground connection, 3 feet of integrated circuit TPS6223X, 5 feet connect 3.3V unidirectional currents Source, the other end of inductance L1 is first laser driver, second laser driver provides running voltage.
4. the double light emitting module of SFP low-power consumption according to claim 3 it is characterised in that：In described reducing power consumption unit, described 3.3V DC source is provided with filter capacitor C1, and described running voltage is provided with filter capacitor C2.