CN105634306A - AC-DC power output system - Google Patents
AC-DC power output system Download PDFInfo
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- CN105634306A CN105634306A CN201610131666.XA CN201610131666A CN105634306A CN 105634306 A CN105634306 A CN 105634306A CN 201610131666 A CN201610131666 A CN 201610131666A CN 105634306 A CN105634306 A CN 105634306A
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- voltage feedback
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
- H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
- H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
- H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M7/21—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
- H02M7/217—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
- H02M7/219—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only in a bridge configuration
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M1/00—Details of apparatus for conversion
- H02M1/32—Means for protecting converters other than automatic disconnection
Abstract
The invention provides an AC-DC power output system, which is provided with an over-voltage protection module (60) besides a bridge rectifier circuit (10), a pulse control module (20), a transformer (30), a rectifier diode module (40) and a voltage feedback module (50), wherein the over-voltage protection module (60) comprises a voltage stabilizing diode (ZD1) and a triode (Q1); when DC voltage output is over-high, the voltage stabilizing diode (ZD1) reversely breaks down and transmits a voltage to the triode (Q1) to conduct the triode, the voltage of a negative electrode of an illuminator in a photoelectric coupler (P1) of the voltage feedback module (50) is pulled down, the luminous intensity of the illuminator is increased and a photocurrent of a photoceptor in the photoelectric coupler (P1) is increased, so that the pulse control module (20) generates protection and does not output the voltage; the over-voltage protection function is achieved; and burnout of power conversion IC on followed SOC board and T-con board when the DC voltage output is over-high can be prevented.
Description
Technical field
The present invention relates to power source circuit technical field, particularly relate to a kind of AC/DC power output system.
Background technology
Power supply is the integral part that various electronics is essential, and can the quality of its performance be directly connected to the technical indicator of electronics and work safely and reliably. In the circuit system architecture of TV, integral part is power panel, system level chip (System-on-a-chip, SOC) plate and sequential control (T-con) plate, power panel needs the voltage of alternating current of 220V to convert the 12V volts DS required for SOC plate and T-con plate to.
Fig. 1 show the structure block diagram of a kind of existing AC/DC power output system, comprising: bridge rectifier circuit 10 ', and described bridge rectifier circuit 10 ' access 220V voltage of alternating current, for being converted to 310V volts DS by 220V voltage of alternating current; Pulse Width Control module (LD5530) 20 ', the input pin of described Pulse Width Control module (LD5530) 20 ' is connected with bridge rectifier circuit 10 ', and the 310V volts DS for being obtained by bridge rectifier circuit 10 ' carries out on-off control and converts the voltage of change to; Transformer 30 ', the primary winding of described transformer 30 ' is connected with the output pin of Pulse Width Control module (LD5530) 20 ', and the change voltage exported for paired pulses control module (LD5530) 20 ' carries out transformation; Rectification diode (led) module 40 ', the positive pole of described rectification diode (led) module 40 ' is connected to the secondary coil of transformer 30 ', for the voltage after transformer 30 ' transformation is carried out rectification, and by the 12V direct voltage output after rectification; Voltage feedback module 50 ', described voltage feedback module 50 ' is connected with the feedback pin COMP of DC voltage output end and Pulse Width Control module (LD5530) 20 ', for the size of the volts DS of output feeds back to Pulse Width Control module (LD5530) 20 '.
Fig. 2 is the schematic circuit of voltage feedback module 50 ' in the AC/DC power output system shown in Fig. 1, constitutes voltage feedback module 50 ' by the first resistance R1 ', the 2nd resistance R2 ', the 3rd resistance R3 ', the 4th resistance R4 ', the first electric capacity C1 ', the 2nd electric capacity C2 ', photoelectricity coupling mechanism P1 ' and current potential setter IC1 '. The input terminus of voltage feedback module 50 ' the i.e. public end of the first resistance R1 ' and the 2nd resistance R2 ' receives, by connecting the negative pole of rectification diode (led) module 40 ', the volts DS exported, and output terminal and photoelectricity coupling mechanism P1 ' meet the feedback pin COMP of Pulse Width Control module (LD5530) 20 '.
The working process of above-mentioned AC/DC power output system is: when the volts DS exported is bigger than normal, voltage change is fed back to Pulse Width Control module (LD5530) 20 ' by voltage feedback mould 50 ' block, reduces output voltage by Pulse Width Control module (LD5530) 20 '; When the volts DS exported is less than normal, this change is fed back to Pulse Width Control module (LD5530) 20 ' by voltage feedback module 50 ', improve output voltage by Pulse Width Control module (LD5530) 20 ', make the volts DS exported more stable like this. But; the above results is in circuit condition ideally just to be occurred; when the somewhere of AC/DC power output system occur abnormal and when exporting far more than the too high voltages of 12V; owing to this existing AC/DC power output system does not arrange overvoltage protection measure, the IC of the Power convert on the SOC plate that can connect after burning out and T-con plate.
Summary of the invention
It is an object of the invention to provide a kind of AC/DC power output system, it has over-voltage protecting function, it is possible to the IC of the Power convert on the SOC plate connect after burning out when preventing direct voltage output too high and T-con plate.
For achieving the above object, the present invention provides a kind of AC/DC power output system, comprising:
Bridge rectifier circuit;
The Pulse Width Control module being connected with described bridge rectifier circuit;
With the transformer of described Pulse Width Control model calling;
The rectification diode (led) module being connected with described transformer;
With the voltage feedback module of described rectification diode (led) module and Pulse Width Control model calling;
And the overvoltage protective module being connected with described rectification diode (led) module and voltage feedback module;
The volts DS that the input terminus access rectification diode (led) module of described overvoltage protective module exports, output terminal connects voltage feedback module; When the volts DS overvoltage that rectification diode (led) module exports, the voltage that described overvoltage protective module carrys out stop pulse control module by making the photoelectric current of voltage feedback module increase exports.
Described overvoltage protective module comprises: Zener diode and triode; Described voltage feedback module comprises the photoelectricity coupling mechanism being made up of photophore and light-receiving device;
The negative pole of Zener diode is connected to the output terminal of rectification diode (led) module, and positive pole is connected to the base stage of triode;
The base stage of triode is connected to the positive pole of Zener diode, grounded emitter, and collector electrode is connected to the negative pole of photophore in photoelectricity coupling mechanism as the output terminal of overvoltage protective module.
Described photophore and light-receiving device are encapsulated in same shell; Described photophore is light emitting diode, and described light-receiving device is photosensitive three grades of pipes.
Described bridge rectifier circuit access 220V voltage of alternating current.
The main element of described Pulse Width Control module is chip LD5530.
The input pin of described Pulse Width Control module is connected with bridge rectifier circuit, and output pin is connected with the primary winding of transformer, and feedback pin is connected with the output terminal of voltage feedback module.
The secondary coil of transformer connects the input terminus of rectification diode (led) module.
Described voltage feedback module also comprises: the first resistance, the 2nd resistance, the 3rd resistance, the first electric capacity, the 2nd electric capacity, current potential setter and the 4th resistance;
One end of first resistance is connected to the output terminal of rectification diode (led) module, and the other end connects the positive pole of photophore and one end of the 3rd resistance in photoelectricity coupling mechanism; The other end of the 3rd resistance connects the negative pole of photophore in photoelectricity coupling mechanism;
One end of described 2nd resistance is connected to the output terminal of rectification diode (led) module, and the other end connects one end of the 4th resistance; The other end ground connection of the 4th resistance;
The two ends of the first electric capacity connect the other end of the 2nd resistance and the other end of the 3rd resistance respectively;
The two ends of the 2nd electric capacity connect collector electrode and the emtting electrode of light-receiving device in photoelectricity coupling mechanism respectively;
The negative electrode of current potential setter connects the negative pole of photophore in photoelectricity coupling mechanism, plus earth, and control pole connects the other end of the 2nd resistance;
In photoelectricity coupling mechanism, the collector electrode of light-receiving device is as the feedback pin of the output terminal connection voltage feedback module of voltage feedback module.
The useful effect of the present invention: AC/DC power output system provided by the invention, except bridge rectifier circuit, Pulse Width Control module, transformer, rectification diode (led) module and voltage feedback module are set, also being provided with and the overvoltage protective module that rectification diode (led) module and voltage feedback module are connected, described overvoltage protective module comprises Zener diode and triode; When direct voltage output is too high; the Zener diode reverse breakdown of described overvoltage protective module and transmission voltage makes it conducting to triode; draw the voltage of photophore negative pole in the photoelectricity coupling mechanism of low voltage feedback module; the luminous intensity of photophore is increased; in photoelectricity coupling mechanism, the photoelectric current of light-receiving device increases; thus cause Pulse Width Control module to produce protection and not output voltage; achieve over-voltage protecting function, it is possible to the IC of the Power convert on the SOC plate connect after burning out when preventing direct voltage output too high and T-con plate.
Accompanying drawing explanation
In order to further understand feature and the technology contents of the present invention, refer to following detailed explanation for the present invention and accompanying drawing, but accompanying drawing only provides reference and explanation use, is not used for the present invention being limited.
In accompanying drawing,
Fig. 1 is the structure block diagram of a kind of existing AC/DC power output system;
Fig. 2 is the schematic circuit of voltage feedback module in the AC/DC power output system shown in Fig. 1;
Fig. 3 is the structure block diagram of the AC/DC power output system of the present invention;
Fig. 4 be the present invention AC/DC power output system in the schematic circuit of voltage feedback module and voltage protection module.
Embodiment
For further setting forth technique means and the effect thereof that the present invention takes, it is described in detail below in conjunction with the preferred embodiments of the present invention and accompanying drawing thereof.
Please refer to Fig. 3 and Fig. 4, the present invention provides a kind of AC/DC power output system. As shown in Figure 3, the AC/DC power output system of the present invention comprises: the voltage feedback module 50 that the rectification diode (led) module 40 that the transformer 30 that the Pulse Width Control module 20 that bridge rectifier circuit 10 is connected with bridge rectifier circuit 10 is connected with Pulse Width Control module 20 is connected with transformer 30 is connected with rectification diode (led) module 40 and Pulse Width Control module 20 and with the overvoltage protective module 60 of rectification diode (led) module 40 and voltage feedback 50 model calling.
Described bridge rectifier circuit 10 accesses 220V voltage of alternating current, and 220V voltage of alternating current is converted to the volts DS of 310V, and the volts DS of 310V is passed to the Pulse Width Control module 20 being attached thereto and connecing.
The main composition element of Pulse Width Control module 20 is chip LD5530, its input pin VCC is connected with bridge rectifier circuit 10, receive the 310V volts DS that bridge rectifier circuit obtains, output pin OUT is connected with the primary winding of transformer 30, and feedback pin COMP is connected with the output terminal of voltage feedback module 50. When there being the volts DS input pulse control module 20 of 310V, LD5530 carries out switch effect, and the 310V volts DS received converts to the voltage of change, and by the voltage transmission of change to transformer 30.
The secondary coil of transformer 30 connects the input terminus of rectification diode (led) module 40. The change voltage that the primary winding received pulse control module 20 of transformer 30 exports, after transformer 30 transformation, change voltage on the secondary coil of transformer 30, and by the voltage transmission of change to rectification diode (led) module 40.
Rectification diode (led) module 40 receives the change voltage that transformer 30 transmits, and change voltage is carried out rectification, it is possible to obtain required 12V volts DS, and by 12V direct voltage output to the SOC plate connect after AC/DC power output system and T-con plate.
Composition graphs 3 and Fig. 4, voltage feedback module 50 accesses the volts DS exported, and namely output terminal with rectification diode (led) module 40 is connected, and output terminal connects the feedback pin COMP of Pulse Width Control module.
Specifically, described voltage feedback module 50 comprises the first resistance R1, the 2nd resistance R2, the 3rd resistance R3, the first electric capacity C1, photoelectricity coupling mechanism P1, the 2nd electric capacity C2, current potential setter IC1 and the 4th resistance R4.
Further, described photoelectricity coupling mechanism P1 is made up of the photophore being encapsulated in same shell and light-receiving device, and described photophore is preferably light emitting diode, and described light-receiving device is preferably photosensitive three grades of pipes;
One end of first resistance R1 is connected to the output terminal of rectification diode (led) module 40, and the other end connects the positive pole of photophore and one end of the 3rd resistance R3 in photoelectricity coupling mechanism P1; The other end of the 3rd resistance R3 connects the negative pole of photophore in photoelectricity coupling mechanism P1;
One end of described 2nd resistance R2 is connected to the output terminal of rectification diode (led) module 40, and the other end connects one end of the 4th resistance R4; The other end ground connection of the 4th resistance R4;
The two ends of the first electric capacity C1 connect the other end of the 2nd resistance R2 and the other end of the 3rd resistance R3 respectively;
The two ends of the 2nd electric capacity C2 connect collector electrode and the emtting electrode of light-receiving device in photoelectricity coupling mechanism P1 respectively;
The negative electrode of current potential setter IC1 connects the negative pole of photophore in photoelectricity coupling mechanism P1, plus earth, and control pole connects the other end of the 2nd resistance R2;
In photoelectricity coupling mechanism P1, the collector electrode of light-receiving device is as the feedback pin COMP of the output terminal connection voltage feedback module 50 of voltage feedback module 50.
When overvoltage does not occur in the volts DS that rectification diode (led) module 40 exports, described voltage feedback module 50 is for feeding back to Pulse Width Control module 20 by the size of the volts DS of output. When export DirectCurrent Voltage Ratio 12V slightly biased big time, current potential setter IC1 conducting, in photoelectricity coupling mechanism P1, the current potential of photophore negative pole decreases, the electric current flowing through photophore is increased to some extent, the brightness of photophore is increased, thus the photoelectric current flowing through light-receiving device is also increased to some extent, and photoelectric current transfers to the feedback pin COMP of voltage feedback module 50 through the collector electrode of light-receiving device, Pulse Width Control module 20 just controls output voltage and reduces, and reaches step-down object.
Otherwise, as slightly biased hour of the DirectCurrent Voltage Ratio 12V exported, current potential setter IC1 ends, and the dividing potential drop of the 3rd resistance R3 reduces, and the voltage between photophore positive pole and negative pole reduces, the electric current flowing through photophore reduces to some extent, the brightness of photophore is slightly dimmed, thus the photoelectric current flowing through light-receiving device is also reduced to some extent, and photoelectric current transfers to the feedback pin COMP of voltage feedback module 50 through the collector electrode of light-receiving device, Pulse Width Control module 20 just controls output voltage and raises, and reaches boosting object.
Composition graphs 3 and Fig. 4, the volts DS that the input terminus access rectification diode (led) module 40 of described overvoltage protective module 60 exports, output terminal connects voltage feedback module 50.
Specifically, described overvoltage protective module 60 comprises Zener diode ZD1 and triode Q1.
The negative pole of Zener diode ZD1 is connected to the output terminal of rectification diode (led) module 40, and positive pole is connected to the base stage of triode Q1; The base stage of triode Q1 is connected to the positive pole of Zener diode ZD1, grounded emitter, and collector electrode is connected to the negative pole of photophore in photoelectricity coupling mechanism P1 as the output terminal of overvoltage protective module 60.
Occur abnormal when the somewhere of AC/DC power output system and overvoltage phenomenon occurs, during the volts DS namely exported amplitude certain for 12V, described overvoltage protective module 60 works: Zener diode ZD1 reverse breakdown, for the voltage breakdown of Zener diode ZD1 as 15V, after the volts DS exported exceeds 15.7V, voltage on Zener diode ZD1 is 15V, then the base stage voltage of triode Q1 is 0.7V, owing to the voltage of the base stage of triode Q1 is greater than the voltage of emtting electrode, triode Q1 conducting, in its collector electrode and photoelectricity coupling mechanism P1, the voltage of photophore negative pole is pulled down to 0V, the electric current flowing through photophore significantly increases, the brightness of photophore is significantly increased, thus the photoelectric current making light-receiving device significantly increases, photoelectric current transfers to the feedback pin COMP of voltage feedback module 50 through the collector electrode of light-receiving device, Pulse Width Control module 20 is made to protect not output voltage, namely when the volts DS overvoltage that rectification diode (led) module 40 exports, the voltage that described overvoltage protective module 60 carrys out stop pulse control module 20 by making the photoelectric current of voltage feedback module 50 increase exports, accordingly, the output terminal of rectification diode (led) module 40 also stops exporting, achieve over-voltage protecting function, the IC of the Power convert on the SOC plate that connects after burning out and T-con plate can be prevented because direct voltage output is too high.
In sum, the AC/DC power output system of the present invention, except bridge rectifier circuit, Pulse Width Control module, transformer, rectification diode (led) module and voltage feedback module are set, also being provided with and the overvoltage protective module that rectification diode (led) module and voltage feedback module are connected, described overvoltage protective module comprises Zener diode and triode; When direct voltage output is too high; the Zener diode reverse breakdown of described overvoltage protective module and transmission voltage makes it conducting to triode; draw the voltage of photophore negative pole in the photoelectricity coupling mechanism of low voltage feedback module; the luminous intensity of photophore is increased; in photoelectricity coupling mechanism, the photoelectric current of light-receiving device increases; thus cause Pulse Width Control module to produce protection and not output voltage; achieve over-voltage protecting function, it is possible to the IC of the Power convert on the SOC plate connect after burning out when preventing direct voltage output too high and T-con plate.
The above; for the person of ordinary skill of the art; other various corresponding change and distortion can be made, and all these change and are out of shape the protection domain that all should belong to the accompanying claim of the present invention according to the technical scheme of the present invention and technical conceive.
Claims (8)
1. an AC/DC power output system, it is characterised in that, comprising:
Bridge rectifier circuit (10);
The Pulse Width Control module (20) being connected with described bridge rectifier circuit (10);
With the transformer (30) that described Pulse Width Control module (20) is connected;
The rectification diode (led) module (40) being connected with described transformer (30);
With the voltage feedback module (50) that described rectification diode (led) module (40) and Pulse Width Control module (20) are connected;
And the overvoltage protective module (60) being connected with described rectification diode (led) module (40) and voltage feedback module (50);
The volts DS that input terminus access rectification diode (led) module (40) of described overvoltage protective module (60) exports, output terminal connects voltage feedback module (50); When the volts DS overvoltage that rectification diode (led) module (40) exports, the voltage that described overvoltage protective module (60) carrys out stop pulse control module (20) by making the photoelectric current of voltage feedback module (50) increase exports.
2. AC/DC power output system as claimed in claim 1, it is characterised in that, described overvoltage protective module (60) comprising: Zener diode (ZD1) and triode (Q1); Described voltage feedback module (50) comprises the photoelectricity coupling mechanism (P1) being made up of photophore and light-receiving device;
The negative pole of Zener diode (ZD1) is connected to the output terminal of rectification diode (led) module (20), and positive pole is connected to the base stage of triode (Q1);
The base stage of triode (Q1) is connected to the positive pole of Zener diode (ZD1); grounded emitter, collector electrode is connected to the negative pole of photoelectricity coupling mechanism (P1) interior photophore as the output terminal of overvoltage protective module (60).
3. AC/DC power output system as claimed in claim 2, it is characterised in that, described photophore and light-receiving device are encapsulated in same shell; Described photophore is light emitting diode, and described light-receiving device is photosensitive three grades of pipes.
4. AC/DC power output system as claimed in claim 1, it is characterised in that, described bridge rectifier circuit (10) access 220V voltage of alternating current.
5. AC/DC power output system as claimed in claim 1 or 2, it is characterised in that, the main element of described Pulse Width Control module (20) is chip LD5530.
6. AC/DC power output system as claimed in claim 5, it is characterized in that, the input pin (VCC) of described Pulse Width Control module (20) is connected with bridge rectifier circuit (10), output pin (OUT) is connected with the primary winding of transformer (30), and feedback pin (COMP) is connected with the output terminal of voltage feedback module (50).
7. AC/DC power output system as claimed in claim 6, it is characterised in that, the secondary coil of transformer (30) connects the input terminus of rectification diode (led) module (40).
8. AC/DC power output system as claimed in claim 6, it is characterized in that, described voltage feedback module (50) also comprises: the first resistance (R1), the 2nd resistance (R2), the 3rd resistance (R3), the first electric capacity (C1), the 2nd electric capacity (C2), current potential setter (IC1) and the 4th resistance (R4);
One end of first resistance (R1) is connected to the output terminal of rectification diode (led) module (40), and the other end connects the positive pole of photoelectricity coupling mechanism (P1) interior photophore and one end of the 3rd resistance (R3); The other end of the 3rd resistance (R3) connects the negative pole of photoelectricity coupling mechanism (P1) interior photophore;
One end of described 2nd resistance (R2) is connected to the output terminal of rectification diode (led) module (40), and the other end connects one end of the 4th resistance (R4); The other end ground connection of the 4th resistance (R4);
The two ends of the first electric capacity (C1) connect the other end of the 2nd resistance (R2) and the other end of the 3rd resistance (R3) respectively;
The two ends of the 2nd electric capacity (C2) connect collector electrode and the emtting electrode of photoelectricity coupling mechanism (P1) interior light-receiving device respectively;
The negative electrode of current potential setter (IC1) connects the negative pole of photoelectricity coupling mechanism (P1) interior photophore, plus earth, and control pole connects the other end of the 2nd resistance (R2);
The collector electrode of photoelectricity coupling mechanism (P1) interior light-receiving device is as the feedback pin (COMP) of output terminal connection voltage feedback module (50) of voltage feedback module (50).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131666.XA CN105634306A (en) | 2016-03-08 | 2016-03-08 | AC-DC power output system |
| PCT/CN2016/078882 WO2017152456A1 (en) | 2016-03-08 | 2016-04-08 | Alternating current-to-direct current power supply output system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610131666.XA CN105634306A (en) | 2016-03-08 | 2016-03-08 | AC-DC power output system |
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| CN105634306A true CN105634306A (en) | 2016-06-01 |
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| CN201610131666.XA Pending CN105634306A (en) | 2016-03-08 | 2016-03-08 | AC-DC power output system |
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| WO (1) | WO2017152456A1 (en) |
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| CN204858705U (en) * | 2015-08-13 | 2015-12-09 | 深圳市龙威盛电子科技有限公司 | Mobile phone charger |
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| CN105979659A (en) * | 2016-06-21 | 2016-09-28 | 卫星电子（中山）有限公司 | Instantaneous starting circuit after power failure |
| CN105979659B (en) * | 2016-06-21 | 2017-11-07 | 卫星电子（中山）有限公司 | Moment start-up circuit after one kind power-off |
| CN106941323A (en) * | 2017-01-17 | 2017-07-11 | 茌平信源铝业有限公司 | A kind of electrolgtic aluminium commutation system |
| CN108321772A (en) * | 2018-03-05 | 2018-07-24 | 广东顺德奥为德科技有限公司 | High direct voltage for inverter is electrolysed capacitance intrinsically safe circuit and its control method |
| CN108807305A (en) * | 2018-07-02 | 2018-11-13 | 山东晶导微电子股份有限公司 | A kind of novel power supply power module architectures with output protection |
| CN108807305B (en) * | 2018-07-02 | 2024-02-13 | 山东晶导微电子股份有限公司 | Power supply power module structure with output protection |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017152456A1 (en) | 2017-09-14 |
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