CN205901579U - Steady voltage output filter component with transient state inhibit feature - Google Patents
Steady voltage output filter component with transient state inhibit feature Download PDFInfo
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- CN205901579U CN205901579U CN201620715269.2U CN201620715269U CN205901579U CN 205901579 U CN205901579 U CN 205901579U CN 201620715269 U CN201620715269 U CN 201620715269U CN 205901579 U CN205901579 U CN 205901579U
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- filter capacitor
- diode
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- mos pipe
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Abstract
The utility model discloses a steady voltage output filter component with transient state inhibit feature, including filter module, peak inhibiting module and surge inhibiting module, filter module includes a common -mode inductor, the 2nd common -mode inductor, a filter capacitance to the 5th filter capacitance, peak inhibiting module includes first two -way transient -suppression diode, surge inhibiting module includes the 6th filter capacitance to the 11 filter capacitance, the two -way transient -suppression diode of second, the 5th diode to heptode, over -voltage protection chip, MOS pipe to the 3rd MOS pipe, first resistance to the 6th resistance. The utility model discloses a filter module has widened filter component's filtering duration, has promoted filter component's performance, filter capacitance restraines spike voltage through the cooperation of peak inhibiting module, on -state and grid voltage through surge inhibiting module drive MOS pipe reach the mesh of controlling output voltage to it is stable to make the output voltage curve.
Description
Technical field
The utility model is related to a kind of filtering unit, more particularly, to a kind of voltage stabilizing output filtering with transient state suppression function
Assembly.
Background technology
Although the filtering unit of conventional belt transient state suppression can have certain absorption suppression to the interference signal of power-type
Effect, but output voltage curve is not sufficiently stable, when especially long surge voltage occurring, its output voltage curve unstability
Become apparent from.
Utility model content
The purpose of this utility model is that to provide a kind of have the steady of transient state suppression function to solve the above problems
Pressure output filtering unit.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of voltage stabilizing output filtering unit with transient state suppression function, including filtration module, peak restrained module and wave
Gush suppression module, described filtration module includes the first common-mode inductor, the second common-mode inductor, the first filter capacitor, the second filter
Ripple electric capacity, the 3rd filter capacitor, the 4th filter capacitor and the 5th filter capacitor, described peak restrained module included for the first two-way wink
State suppress diode, described surge suppression modules include the 6th filter capacitor, the 7th filter capacitor, the 8th filter capacitor, the 9th
Filter capacitor, the tenth filter capacitor, the 11st filter capacitor, the second two-way Transient Suppression Diode, the 3rd diode, second pair
To Transient Suppression Diode, the 5th diode, the 6th diode, the 7th diode, overvoltage protection chip, the first mos pipe, second
Mos pipe, the 3rd mos pipe, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance and the 6th resistance, described
The first input end of one common-mode inductor is connected with the first end of described first filter capacitor and the positive pole for described filtering unit
Input, the second output end of described first common-mode inductor is connected with the second end of described first filter capacitor and is described filter
The negative input of ripple assembly, the first output end of described first common-mode inductor respectively with described second filter capacitor
The first input end of one end, the first end of described 3rd filter capacitor and described second common-mode inductor connects, and described first altogether
Second output end of mould inductor respectively with the second end of described second filter capacitor, the first end of described 4th filter capacitor and
Second input connection, the second end of described 3rd filter capacitor and described 4th filter capacitor of described second common-mode inductor
The second end connect and be grounded, the first output end of described second common-mode inductor respectively with described 5th filter capacitor first
End, the first end of described 3rd diode, the first end of described 3rd resistor, the first end of described 6th filter capacitor, described
The first end of the 7th filter capacitor, the first end of described 8th filter capacitor, the drain electrode of a described mos pipe, described 2nd mos
The drain electrode of the drain electrode of pipe and described 3rd mos pipe connects, and the second output end of described second common-mode inductor is respectively with described the
Second end of five filter capacitors, the second end of described 3rd diode, the first end of described second two-way Transient Suppression Diode,
The first end of described tenth filter capacitor, the first end of described 11st filter capacitor, the gnd end of described overvoltage protection chip,
The first end of the first end of described 9th filter capacitor and described 6th resistance connects and the negative pole output for described filtering unit
End, the second end the second end, described tenth filtering with described 3rd resistor respectively of described second two-way Transient Suppression Diode
Second end of electric capacity, the shdn end of described overvoltage protection chip, vcc end and sns end connect, and the of described 11st filter capacitor
Two ends are connected with the tmr end of described overvoltage protection chip, the gate end of described overvoltage protection chip respectively with described first resistor
First end, the second end of the first end of described second resistance, the first end of described 5th resistance and described 9th filter capacitor
Connect, the second end of described first resistor is connected with the grid of a described mos pipe and the negative pole of described 5th diode respectively,
Second end of described second resistance is connected with the grid of described 2nd mos pipe and the negative pole of described 6th diode respectively, described
Second end of the 5th resistance is connected with the grid of described 3rd mos pipe and the negative pole of described 7th diode respectively, described overvoltage
The out end of protection chip respectively with the second end of described 6th filter capacitor, the second end of described 7th filter capacitor, described the
Second end of eight filter capacitors, the positive pole of described 5th diode, the positive pole of described 6th diode, described 7th diode
The first end of positive pole and described 4th resistance connects and the cathode output end for described filtering unit, and the of described 4th resistance
Two ends and described second end of the 6th resistance are connected with the fb end of described overvoltage protection chip.
The beneficial effects of the utility model are:
A kind of voltage stabilizing output filtering unit with transient state suppression function of the utility model has widened filter by filtration module
The filtering frequency range of ripple assembly, improves the performance of filtering unit；Filter capacitor is coordinated to suppress spike electricity by peak restrained module
Pressure；Drive conducting state and the grid voltage of mos pipe by surge suppression modules, reach the purpose controlling output voltage, and make
Output voltage curve is stable.
Brief description
Fig. 1 is the circuit diagram that a kind of voltage stabilizing with transient state suppression function described in the utility model exports filtering unit.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings:
As shown in figure 1, a kind of voltage stabilizing output filtering unit with transient state suppression function of the utility model, including filtering mould
Block, peak restrained module and surge suppression modules, filtration module include the first common-mode inductor l1, the second common-mode inductor l2,
First filter capacitor c1, the second filter capacitor c2, the 3rd filter capacitor c3, the 4th filter capacitor c4 and the 5th filter capacitor c5,
Peak restrained module includes the first two-way Transient Suppression Diode d3, surge suppression modules include the 6th filter capacitor c6, the 7th
Filter capacitor c7, the 8th filter capacitor c8, the 9th filter capacitor c9, the tenth filter capacitor c10, the 11st filter capacitor c11,
Two two-way Transient Suppression Diode d4, the 5th diode d5, the 6th diode d6, the 7th diode d7, overvoltage protection chip u1,
First mos pipe q1, the 2nd mos pipe q2, the 3rd mos pipe q3, first resistor r1, second resistance r2,3rd resistor r3, the 4th resistance
The first of r4, the 5th resistance r5 and the 6th resistance r6, the first input end of the first common-mode inductor l1 and the first filter capacitor c1
End connects and the electrode input end for filtering unit, and second output end of the first common-mode inductor l1 is with the first filter capacitor c1's
Second end connects and the negative input for filtering unit, and first output end of the first common-mode inductor l1 is filtered with second respectively
The first input end of the first end, the first end of the 3rd filter capacitor c3 and the second common-mode inductor l2 of ripple electric capacity c2 connects, the
Second output end of the one common-mode inductor l1 first end with second end of the second filter capacitor c2, the 4th filter capacitor c4 respectively
Connect with second input of the second common-mode inductor l2, the of second end of the 3rd filter capacitor c3 and the 4th filter capacitor c4
Two ends connect and are grounded, first output end of the second common-mode inductor l2 respectively with the first end of the 5th filter capacitor c5, the 3rd
The first end of diode, the first end of 3rd resistor r3, the first end of the 6th filter capacitor c6, the first of the 7th filter capacitor
End, the first end of the 8th filter capacitor c8, the drain electrode of a mos pipe q1, the drain electrode of the 2nd mos pipe q2 and the 3rd mos pipe q3's
Drain electrode connects, the second output end the second end, the 3rd diode with the 5th filter capacitor c5 respectively of the second common-mode inductor l2
The second end, the first end of the second two-way Transient Suppression Diode d4, the first end of the tenth filter capacitor c10, the 11st filtering
The of the first end of electric capacity c11, the gnd end of overvoltage protection chip u1, the first end of the 9th filter capacitor c9 and the 6th resistance r6
One end connects and the cathode output end for filtering unit, and second end of the second two-way Transient Suppression Diode d4 is electric with the 3rd respectively
Second end of resistance r3, second end of the tenth filter capacitor c10, the shdn end of overvoltage protection chip u1, vcc end and sns end connect,
Second end of the 11st filter capacitor c11 is connected with the tmr end of overvoltage protection chip u1, and the gate end of overvoltage protection chip u1 is divided
Not and the first end of first resistor r1, the first end of second resistance r2, the first end of the 5th resistance r5 and the 9th filter capacitor c9
The second end connect, the second end of first resistor r1 is respectively with the negative pole of the grid of a mos pipe q1 and the 5th diode d5 even
Connect, the second end of second resistance r2 is connected with the grid of the 2nd mos pipe q2 and the negative pole of the 6th diode d6 respectively, the 5th resistance
Second end of r5 is connected with the grid of the 3rd mos pipe q3 and the negative pole of the 7th diode d7 respectively, the out of overvoltage protection chip u1
End respectively with second end of the 6th filter capacitor c6, the second end of the 7th filter capacitor, second end of the 8th filter capacitor c8, the
The positive pole of five diode d5, the first end of the positive pole, the positive pole of the 7th diode d7 and the 4th resistance r4 of the 6th diode d6 connect
Connect and cathode output end, second end of the 4th resistance r4 and second end of the 6th resistance r6 and overvoltage protection for filtering unit
The fb end of chip u1 connects.
The operation principle that a kind of voltage stabilizing with transient state suppression function of the utility model exports filtering unit is as follows:
Filtration module has two-stage common mode filtering circuit and three-level differential mode filter circuit, by the way of multistage frequency dividing, widens
The filtering frequency range of filtering unit, improves the performance of filtering unit.
Install a first two-way Transient Suppression Diode d3 additional between common mode inductance, with Transient Suppression Diode
Filter capacitor is suppressing due to voltage spikes.
Surge suppression modules pass through the voltage that an overvoltage protection chip u1 detects the drain electrode of mos pipe, by the voltage collecting
It is compared with the 1.23v voltage reference of chip internal.When circuit input voltage is normal, chip passes through internal charge pump and drives
Mos pipe enters fully on state.Under over excitation, voltage in chip detecting circuit, and adjusted with comparative result
The level of charge of section charge pump, thus adjusting the grid voltage of mos pipe, reaches the purpose controlling output voltage.
The detail list of wherein part components and parts is as follows:
| Code name | Title | Model |
| l1 | First common-mode inductor | r10k h25×15×10 |
| l2 | Second common-mode inductor | r10k h18×8×5 |
| c1 | First filter capacitor | jct41-1812-2r1-100v-225k |
| c2 | Second filter capacitor | jct41-1812-2r1-100v-225k |
| c3 | 3rd filter capacitor | jct41-1210-2c1-100v-104k |
| c4 | 4th filter capacitor | jct41-1210-2c1-100v-104k |
| c5 | 5th filter capacitor | ct41-1210-2r1-100v-105k |
| c6 | 6th filter capacitor | jct41-1206-2r1-100v-102k |
| c7 | 7th filter capacitor | jct41-1206-2r1-100v-102k |
| c8 | 8th filter capacitor | jct41-1206-2r1-100v-102k |
| c9 | 9th filter capacitor | jct41-1210-2r1-500v-682k |
| c10 | Tenth filter capacitor | jct41-1210-2c1-100v-104k |
| c11 | 11st filter capacitor | jct41-1210-2r1-10v-106k |
| d3 | First two-way Transient Suppression Diode | 30kpa84ca |
| d4 | Second two-way Transient Suppression Diode | smdj33ca |
| d5 | 5th diode | 1n4745a |
| d6 | 6th diode | 1n4745a |
| d7 | 7th diode | 1n4745a |
| u1 | Overvoltage protection chip | lt4356mpms-1 |
| q1 | First mos pipe | fdl100n50f |
| q2 | 2nd mos pipe | fdl100n50f |
| q3 | 3rd mos pipe | fdl100n50f |
| r1 | First resistor | rmk3216kb331fm-1/4w |
| r2 | Second resistance | rmk3216kb331fm-1/4w |
| r3 | 3rd resistor | rmk3216kb102fm-1/4w |
| r4 | 4th resistance | rmk3216kb1543fm-1/4w |
| r5 | 5th resistance | rmk3216kb331fm-1/4w |
| r6 | 6th resistance | rmk3216kb632fm-1/4w |
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, every according to skill of the present utility model
The technology deformation that art scheme is made, each falls within protection domain of the present utility model.
Claims (1)
1. a kind of voltage stabilizing output filtering unit with transient state suppression function it is characterised in that: include filtration module, peak restrained
Module and surge suppression modules, described filtration module includes the first common-mode inductor, the second common-mode inductor, the first filtered electrical
Appearance, the second filter capacitor, the 3rd filter capacitor, the 4th filter capacitor and the 5th filter capacitor, described peak restrained module includes
First two-way Transient Suppression Diode, described surge suppression modules include the 6th filter capacitor, the 7th filter capacitor, the 8th filtering
Electric capacity, the 9th filter capacitor, the tenth filter capacitor, the 11st filter capacitor, the second two-way Transient Suppression Diode, the three or two pole
Pipe, the second two-way Transient Suppression Diode, the 5th diode, the 6th diode, the 7th diode, overvoltage protection chip, first
Mos pipe, the 2nd mos pipe, the 3rd mos pipe, first resistor, second resistance, 3rd resistor, the 4th resistance, the 5th resistance and the 6th
Resistance, the first input end of described first common-mode inductor is connected with the first end of described first filter capacitor and is described filtering
The electrode input end of assembly, the second output end of described first common-mode inductor is connected with the second end of described first filter capacitor
And the negative input for described filtering unit, the first output end of described first common-mode inductor respectively with the described second filtering
The first input end of the first end of electric capacity, the first end of described 3rd filter capacitor and described second common-mode inductor connects, institute
State the second output end of the first common-mode inductor respectively with the second end of described second filter capacitor, described 4th filter capacitor
Second input of first end and described second common-mode inductor connects, second end and the described 4th of described 3rd filter capacitor
Second end of filter capacitor connects and is grounded, the first output end of described second common-mode inductor respectively with described 5th filtered electrical
Hold first end, the first end of described 3rd diode, the first end of described 3rd resistor, the first of described 6th filter capacitor
End, the first end of described 7th filter capacitor, the first end of described 8th filter capacitor, the drain electrode of a described mos pipe, described
The drain electrode of the drain electrode of the 2nd mos pipe and described 3rd mos pipe connects, the second output end of described second common-mode inductor respectively with
Second end of described 5th filter capacitor, the second end of described 3rd diode, described second two-way Transient Suppression Diode
First end, the first end of described tenth filter capacitor, the first end of described 11st filter capacitor, described overvoltage protection chip
The first end at gnd end, the first end of described 9th filter capacitor and described 6th resistance connects and negative for described filtering unit
Pole output end, the second end of described second two-way Transient Suppression Diode respectively with the second end of described 3rd resistor, described
Second end of ten filter capacitors, the shdn end of described overvoltage protection chip, vcc end and sns end connect, described 11st filtered electrical
The second end holding is connected with the tmr end of described overvoltage protection chip, and the gate end of described overvoltage protection chip is respectively with described the
The first end of one resistance, the first end of described second resistance, the first end of described 5th resistance and described 9th filter capacitor
Second end connects, and the second end of described first resistor is negative with the grid of a described mos pipe and described 5th diode respectively
Pole connects, and the second end of described second resistance is connected with the grid of described 2nd mos pipe and the negative pole of described 6th diode respectively
Connect, the second end of described 5th resistance is connected with the grid of described 3rd mos pipe and the negative pole of described 7th diode respectively, institute
State the out end of overvoltage protection chip respectively with the second end of described 6th filter capacitor, the second end of described 7th filter capacitor,
Second end of described 8th filter capacitor, the positive pole of described 5th diode, the positive pole of described 6th diode, the described 7th 2
The first end of the positive pole of pole pipe and described 4th resistance connects and the cathode output end for described filtering unit, described 4th resistance
The second end and described second end of the 6th resistance be connected with the fb end of described overvoltage protection chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715269.2U CN205901579U (en) | 2016-07-07 | 2016-07-07 | Steady voltage output filter component with transient state inhibit feature |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715269.2U CN205901579U (en) | 2016-07-07 | 2016-07-07 | Steady voltage output filter component with transient state inhibit feature |
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| Publication Number | Publication Date |
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| CN205901579U true CN205901579U (en) | 2017-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620715269.2U Active CN205901579U (en) | 2016-07-07 | 2016-07-07 | Steady voltage output filter component with transient state inhibit feature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109600035A (en) * | 2018-12-20 | 2019-04-09 | 郑州云海信息技术有限公司 | A kind of power module |
-
2016
- 2016-07-07 CN CN201620715269.2U patent/CN205901579U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109600035A (en) * | 2018-12-20 | 2019-04-09 | 郑州云海信息技术有限公司 | A kind of power module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 610000, 14 floor, building D5, Tianfu Software Park, 216 Century City South Road, Chengdu High-tech Zone, Sichuan. Patentee after: Chengdu must control science and technology limited liability company Address before: 610000, 14 floor, building D5, Tianfu Software Park, 216 Century City South Road, Chengdu High-tech Zone, Sichuan. Patentee before: Chengdu Bikong Science and Technology Co., Ltd. |
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| CP01 | Change in the name or title of a patent holder |