CN109039064A - A kind of shunt regulator device of the anti-single power supply shorted diode of spacecraft - Google Patents
A kind of shunt regulator device of the anti-single power supply shorted diode of spacecraft Download PDFInfo
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- CN109039064A CN109039064A CN201810801583.6A CN201810801583A CN109039064A CN 109039064 A CN109039064 A CN 109039064A CN 201810801583 A CN201810801583 A CN 201810801583A CN 109039064 A CN109039064 A CN 109039064A
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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
- H02M3/00—Conversion of dc power input into dc power output
- H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
- H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
- H02M3/10—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
- H02M3/145—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/155—Conversion of dc power input into dc power output without intermediate conversion into ac 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
- H02M3/156—Conversion of dc power input into dc power output without intermediate conversion into ac 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 with automatic control of output voltage or current, e.g. switching regulators
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- 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
- H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
-
- 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
For a kind of shunt regulator device of the anti-single power supply shorted diode of spacecraft, including shunt field-effect tube, for electric diode, shunting circuit, maximum current detection circuit and power supply shorted diode counting circuit；The electric current that maximum current detection circuit real-time detection passes through shunting field-effect tube, after shorted diode of powering, turning on and off for field-effect tube is shunted according to the maximum current threshold value of maximum current detection circuit setting and loading condition control, power supply shorted diode counting circuit counts the number that field-effect tube shutdown is shunted during power supply shorted diode, and thoroughly disconnects shunting field-effect tube after reaching several periods.Circuit structure of the present invention is simple, substitutes traditional double diode series system work for electric diode using list, solves the problems, such as that conventional aerospace device power-supply system prevents single shorted diode of powering from bus output abnormality being caused to increase series diode bring system heat power consumption.
Description
Technical field
The present invention relates to space power system field, in particular to the shunt regulating of the anti-single power supply shorted diode of a kind of spacecraft
Device.
Background technique
It is solar battery array-battery power supply system used in spacecraft power supply system at present, spacecraft is in illumination
When the phase, absorbing solar energy by solar array is that spacecraft load supplying and battery charge, while the extra energy is logical
It crosses power-supply system shunt regulating short circuit and is back to solar battery array.Realize that the regulatory function of the spacecraft illumination period energy is logical
The realization of power-supply system shunt regulator device is crossed, shunt regulator device power circuit is mainly by for electric diode and shunting field-effect tube
It forms, after shorted diode of powering, output bus and the drain electrode for shunting field-effect tube are directly connected to, after shunting field-effect tube is connected
It will cause bus directly and ground short circuit, and cause spacecraft power supply thrashing, due to the in-orbit not maintenanceability of spacecraft, it is desirable that
On spacecraft all devices cannot because singly locate failure due to cause system so that entire spacecraft failure, conventional aerospace device power-supply system
Shunt regulating technology generally takes the mode of two power supply Diode series to avoid caused bus after single shorted diode of powering
Short circuit.
In recent years, as spacecraft load power demand is increasing, the output of power-supply system single channel shunt regulating circuit
Power is increasing, and single channel shunt regulating circuit shunt regulating ability reaches 10A or more, conventionally employed duplicate supply diode at present
Series system, each heat power consumption for electric diode are about that (power supply diode conduction voltage drop presses 10A by 0.7V, conducting electric current to 7W
Calculate), the increased heat power consumption generated for electric diode generates system to the raising of power-supply system shunt regulator device working efficiency
About, especially multichannel shunt regulating circuit in parallel works, and influences to become apparent.So single substitute double diode string for electric diode
Connection mode has been the trend of the following highly reliable, high efficiency, the research of high-power spacecraft power supply system shunt regulator device.
Summary of the invention
The purpose of the present invention is to provide a kind of shunt regulator devices of the anti-single power supply shorted diode of spacecraft, to solve
The problem of spacecraft power supply system shunt regulator device power supply shorted diode bring busbar short-circuit failure.
In order to solve the above-mentioned technical problem, the technical scheme is that providing a kind of anti-list of spacecraft for electric diode
The shunt regulator device of short circuit, including shunt field-effect tube Q1, for electric diode D1, shunting circuit (4), maximum current inspection
Slowdown monitoring circuit (3), power supply shorted diode counting circuit (2)；
The shunting field-effect tube Q1Drain electrode with for electric diode D1Anode connection, shunt field-effect tube Q1Source electrode
With the first triode Q3Base stage connection, shunt field-effect tube Q1Grid and the 4th resistance RGOne end connection, for electric diode D1
Cathode and bus anode VBUSConnection, capacitor battle array CBUSAnode and bus anode VBUSConnection, bus anode VBUSIt is input to MEA electricity
Road (7) operation, first diode D2Cathode with for electric diode D1Anode connection, the second diode D3Anode and first comparator
U2Output end connection；
Further, the shunting circuit (4) is by MEA circuit (7), first resistor R7, second resistance R6, third electricity
Hinder R5, the 4th resistance RG, the first comparison circuit U2With the first reference circuit V1Composition；
The output end and first resistor R of the MEA circuit (7)7One end connection, first resistor R7The other end is compared with first
Circuit U2Input anode connection, the first comparison circuit U2Input negative terminal and the first reference circuit V1Connection, second resistance R6It is connected to
First comparison circuit U2Output end and input anode between, 3rd resistor R5One end and the first comparison circuit U2Output end connection,
3rd resistor R5The other end and the 4th resistance RGOther end connection.
Further, the maximum current detection circuit (4) is by the 5th resistance RSWith the first triode Q3Composition；
The 5th resistance RSOne end and the first triode Q3Base stage connection, the 5th resistance RSThe other end and bus loop line connect
It connects, the first triode Q3Emitter is connect with bus loop line, the first triode Q3Emitter and the 4th resistance RGOther end connects
It connects.
Further, the power supply shorted diode counting circuit (2) is by the 6th resistance R1, the 7th resistance R2, the 8th resistance
R3, the 9th resistance R4, the tenth resistance R8, first diode D2, the second diode D3, first capacitor C1, the second capacitor C2, second ratio
Compared with device U1, the first trigger U3, the second triode Q2With the second reference circuit V2Composition；
The 6th resistance R1One end and working power VCCConnection, the 6th resistance R1The other end and the second comparator U1Input
Anode connection；7th resistance R2One end is connect with bus loop line, the 7th resistance R2The other end and the second comparator U1Anode is inputted to connect
It connects；First capacitor C1One end and the second comparator U1Input anode connection, first capacitor C1The other end is connect with bus loop line；The
One diode D2Anode and first comparator U1Input anode connection, the second comparator U1Input negative terminal and the second reference current V2
Connection, the second comparison circuit U1Output end and the 9th resistance R4One end connection, the 9th resistance R4The other end is connect with bus loop line,
Second capacitor C2One end and the second comparator U1Output end connection, the second capacitor C2The other end is connect with bus loop line；8th resistance
R3One end and the second comparator U1Output plus terminal connection, the 8th resistance R3The other end and the second diode D3Cathode connection；Two or two
Pole pipe D3Anode and first comparator U2Output end connection, the first trigger U3The end S and the second comparator U1Output end connection,
First trigger U3The end R with first resistor R7One end connection, the tenth resistance R8One end and the first trigger U3Output end connects
It connects, the tenth resistance R8The other end and the second triode Q2Base stage connection, the second triode Q2Emitter is connect with bus loop line, the
Two triode Q2Collector and first comparator U2Input anode connection.
A kind of shunt regulator device of the anti-single power supply shorted diode of spacecraft when system worked well, shunts field
Effect pipe Q1By electric current be less than maximum current detection circuit (3) setting overcurrent protection threshold value, the first triode Q3In pass
Disconnected state, shunts field-effect tube Q1It opens or disconnects according to shunting circuit (4) output situation, it is ensured that bus VBUSIn steady
Fixed voltage output is for loading RLOADElectricity consumption, when for electric diode D1When short trouble occurs, according to maximum current detection circuit
(3) the shunting field-effect tube Q set1The current threshold that passes through of maximum and load RLOADSituation, control shunt field-effect tube Q1
Turn-on and turn-off, power shorted diode counting circuit (2) to for electric diode D1Field-effect tube Q is shunted during short circuit1Shutdown
Number counted, reach agreement cycle times after, power supply shorted diode counting circuit (2) export high level, thoroughly close
It is disconnected to shunt field-effect tube Q1, bus V is prevented after reaching shunt regulator device list power supply shorted diodeBUSShort-circuit protection function.
The shunt regulator device of the anti-single power supply shorted diode of spacecraft provided by the invention, circuit structure is simple, uses
It is single to substitute traditional double diode series system work for electric diode, while increasing prevents single shorted diode protection of powering from arranging
It applies, solving conventional aerospace device power-supply system prevents single shorted diode of powering from bus output abnormality being caused to increase series diode
Bring system heat power consumption problem.
Detailed description of the invention
Invention is described further with reference to the accompanying drawing:
Fig. 1 is the shunt regulating control system principle of the anti-single power supply shorted diode of spacecraft provided in an embodiment of the present invention
Block diagram.
Specific embodiment
Below in conjunction with the shunting of the drawings and specific embodiments single power supply shorted diode anti-to spacecraft proposed by the present invention
Regulating device is described in further detail.According to following explanation and claims, advantages and features of the invention will be become apparent from.
It should be noted that attached drawing is all made of very simplified form and using non-accurate ratio, only conveniently, lucidly to assist
Illustrate the purpose of the embodiment of the present invention.
Core of the invention thought is, the present invention provides that a kind of structure is simple, shunting of high conversion efficiency, reliable operation
Regulating device substitutes traditional duplicate supply Diode series design method for electric diode using list, and for single for electric diode
Anti- short circuit protection measures, including 1 shunting field-effect tube Q are arranged in short circuit1, 1 for electric diode D1, shunting circuit, maximum
Current detection circuit, power supply shorted diode counting circuit, for electric diode D1When normal work, on the shunt regulator device
Electricity initialization, shunting circuit output drive signal, control shunt field-effect tube Q1It is switched on or off, realizes busbar voltage
VBUSOutput is stablized, for electric diode D1When short trouble occurs, according to the shunting field-effect tube of maximum current detection circuit setting
Q1Allow by maximum current and load RLOADSituation control shunts field-effect tube Q1Turn-on and turn-off, for electric diode
Short-circuit counting circuit shunts field-effect tube Q to during power supply shorted diode1Turn-off number of times counted, reach several periods
Power supply shorted diode counting circuit, which will be turned off thoroughly, afterwards shunts field-effect tube Q1, realize two poles of road shunt regulator device power supply
After tube short circuit, corresponding sun battle array exports all load R of the energyLOADPower supply, reaches shunt regulator device list for electric diode
Short-circuit protection function.
Fig. 1 is the shunt regulating control system principle of the anti-single power supply shorted diode of spacecraft provided in an embodiment of the present invention
Block diagram.As shown in Figure 1, sun battle array (5), shunting field-effect tube Q1, for electric diode D1, shunting circuit (4), maximum current
Detection circuit (3), power supply shorted diode counting circuit (2), capacitor battle array CBUS, load RLOADForm the anti-single power supply two of spacecraft
The shunt regulating control system (6) of pole pipe short circuit.The shunt regulator device (1) of the anti-single power supply shorted diode of spacecraft will correspond to
Sun battle array (5) output the energy according to load RLOADPower demand power supply, shunting circuit (4) output drive signal, control
Shunt field-effect tube Q1It is switched on or off, realizes busbar voltage VBUSOutput is stablized.
The shunt regulator device (1) of the anti-single power supply shorted diode of spacecraft in Fig. 1, it is characterised in that shunting circuit
(4) in, MEA circuit (7) input terminal F and bus anode VBUSConnection, MEA circuit (7) output end Q and first resistor R7One end connects
It connects, first resistor R7Other end and the first comparison circuit U2Input anode P connection, the first comparison circuit U2Input negative terminal and the
One reference circuit V1Connection, second resistance R6It is connected to the first comparison circuit U2Output end and input anode between, 3rd resistor
R5One end and the first comparison circuit U2Output end B connection, 3rd resistor R5Other end and the 4th resistance RGOne end connection, the 4th
Resistance RGOther end and shunting field-effect tube Q1Grid connection.
The shunt regulator device (1) of the anti-single power supply shorted diode of spacecraft in Fig. 1, it is characterised in that maximum current detection
In circuit (3), the 5th resistance RSOne end and the first triode Q3Base stage connection, the 5th resistance RSOther end and bus loop line connect
It connects, the first triode Q3Emitter is connect with bus loop line, the first triode Q3Base stage and shunting field-effect tube Q1Source electrode connect
It connects, the first triode Q3Emitter connect with control circuit (4) end E.
The shunt regulator device (1) of anti-power supply shorted diode in Fig. 1, it is characterised in that power supply shorted diode counts electricity
In road (2), the 6th resistance R1One end and working power VCCConnection, the 6th resistance R1Other end and the second comparator U1Input is just
End connection, the 7th resistance R2One end is connect with bus loop line, the 7th resistance R2Other end and the second comparator U1Anode is inputted to connect
It connects, first capacitor C1One end and the second comparator U1Input anode connection, first capacitor C1Other end is connect with bus loop line,
First diode D2Anode and the second comparator U1Input anode connection, the second comparator U1Input negative terminal and the second reference circuit
V2Connection, first diode D2Cathode with for electric diode D1Anode connection, the second comparison circuit U1Output end and the 9th resistance R4
One end connection, the 9th resistance R4Other end is connect with bus loop line, the second capacitor C2One end and the second comparator U1Output end connects
It connects, the second capacitor C2Other end is connect with bus loop line, the 8th resistance R3One end and the second comparator U1Output plus terminal connection,
8th resistance R3Other end and the second diode D3Cathode connection, the second diode D3Anode and first comparator U2Output end B
Connection, the first trigger U3The end S and the second comparator U1Output end connection, the first trigger U3The end R and MEA circuit (7) Q
End connection, the tenth resistance R8One end and the first trigger U3Output end connection, the tenth resistance R8Other end and the second triode Q2
Base stage connection, the second triode Q2Emitter is connect with bus loop line, the second triode Q2Collector and first comparator U2Input
Anode P connection.
A kind of shunt regulator device (1) of the anti-single power supply shorted diode of spacecraft described in Fig. 1, which is characterized in that on
After electricity initialization, the first trigger U3Output is low level, the second triode Q2Shutdown, first comparator U2Output drive signal,
Control shunts field-effect tube Q1It is switched on or off, realizes busbar voltage VBUSOutput is stablized, for electric diode D1When normal work, when
Shunt field-effect tube Q1It is on the stage, for electric diode D1Anode voltage is low level, first diode D2Conducting, second
Comparator U1Input anode is low level, the first trigger U3Low level is exported, as shunting field-effect tube Q1It is in an off state
When, first comparator U2Output end B is low level, the second diode D3Shutdown, for electric diode D1Anode is high level, first
Diode D2Shutdown, working power VCCPass through the 6th resistance R1To the 7th resistance R2With first capacitor C1Charging, the second comparator U2
Input anode voltage gradually rises, due to the second diode D3Shutdown, the second comparator U1For OC comparators of output, therefore
Shunting field-effect tube Q1Second comparator U under turn-off criterion1Permanent output is low level, the first trigger U3Permanent output is low electricity
It is flat, first comparator U2Output drive signal control shunts field-effect tube Q1Turn on and off, when for electric diode D1Occur short
When the failure of road, according to the shunting field-effect tube Q of maximum current detection circuit (3) setting1Maximum current protection threshold value and negative
Carry RLOADSituation control shunts field-effect tube Q1Turn on and off, realize for electric diode D1During short trouble occurs, supply
Electric diode D1Anode voltage is high level, first diode D2Shutdown, working power VCCPass through the 6th resistance R1To the 7th resistance
R2With first capacitor C1Charging, the second comparator U1Input anode voltage gradually rises, when greater than the second reference circuit V2When, the
Two comparator U1Output is by first comparator U2Output end B situation determines, as first comparator U2When output end B is high level, the
One comparator U2Output end B passes through the second diode D3, the 8th resistance R3To the second capacitor C2Charging, the first trigger U3The end S
Voltage gradually rises, as first comparator U2When output end B is low level, the second capacitor C2To the 9th resistance R4Electric discharge, setting are closed
8th resistance R of reason3With the 9th resistance R4Value, so that the second capacitor C2Charging rate it is faster than the velocity of discharge, by a charge and discharge
After cycle period, the second capacitor C2Voltage present sawtooth rise, after several periods, the second capacitor C2Both end voltage increases
Reach the first trigger U3High-level threshold, the first trigger U3Output end by low level overturning be high level, the two or three
Pole pipe Q2Conducting, first comparator U2Input anode P be low level, the output end B of first comparator U2 is low level, is shunted
Field-effect tube Q1It disconnects, to realize for electric diode D1Short-circuit protection function.
Obviously, those skilled in the art can carry out various changes and deformation without departing from essence of the invention to the present invention
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (5)
1. a kind of shunt regulator device of the anti-single power supply shorted diode of spacecraft, which is characterized in that including shunting field-effect tube
Q1, for electric diode D1, power supply shorted diode counting circuit (2), maximum current detection circuit (3), shunting circuit (4)；
The shunting field-effect tube Q1Drain electrode with for electric diode D1Anode connection, shunt field-effect tube Q1Source electrode and
The base stage of one triode Q3 connects, and shunts field-effect tube Q1Grid and the 4th resistance RGOne end connection, for electric diode D1Yin
Pole and bus anode VBUSConnection, capacitor battle array CBUSAnode and bus anode VBUSConnection, bus anode VBUSIt is input to MEA circuit
(7) operation, first diode D2Cathode with for electric diode D1Anode connection, the second diode D3Anode and first comparator U2
Output end connection.
2. the shunt regulator device of the anti-single power supply shorted diode of spacecraft as described in claim 1, which is characterized in that described
Shunting circuit (4) is by MEA circuit (7), first resistor R7, second resistance R6, 3rd resistor R5, the 4th resistance RG, first ratio
Compared with circuit U2With the first reference circuit V1Composition；
The output end and first resistor R of the MEA circuit (7)7One end connection, first resistor R7The other end and the first comparison circuit
U2Input anode connection, the first comparison circuit U2Input negative terminal and the first reference circuit V1Connection, second resistance R6It is connected to first
Comparison circuit U2Output end and input anode between, 3rd resistor R5One end and the first comparison circuit U2Output end connection, third
Resistance R5The other end and the 4th resistance RGOther end connection.
3. the shunt regulator device of the anti-single power supply shorted diode of spacecraft as described in claim 1, which is characterized in that described
Maximum current detection circuit (4) is by the 5th resistance RSWith the first triode Q3Composition；
The 5th resistance RSOne end and the first triode Q3Base stage connection, the other end are connect with bus loop line, the first triode Q3
Emitter is connect with bus loop line, the first triode Q3Emitter and the 4th resistance RGOther end connection.
4. the shunt regulator device of the anti-single power supply shorted diode of spacecraft as described in claim 1, which is characterized in that described
Shorted diode counting circuit (2) are powered by the 6th resistance R1, the 7th resistance R2, the 8th resistance R3, the 9th resistance R4, the tenth electricity
Hinder R8, first diode D2, the second diode D3, first capacitor C1, the second capacitor C2, the second comparator U1, the first trigger U3、
Second triode Q2With the second reference circuit V2Composition；
The 6th resistance R1One end and working power VCCConnection, the 6th resistance R1The other end and the second comparator U1Input anode
Connection；7th resistance R2One end is connect with bus loop line, the 7th resistance R2The other end and the second comparator U1Input anode connection；
First capacitor C1One end and the second comparator U1Input anode connection, first capacitor C1The other end is connect with bus loop line；One or two
Pole pipe D2Anode and first comparator U1Input anode connection, the second comparator U1Input negative terminal and the second reference voltage V2Connection,
Second comparison circuit U1Output end and the 9th resistance R4One end connection, the 9th resistance R4The other end is connect with bus loop line, the second electricity
Hold C2One end and the second comparator U1Output end connection, the second capacitor C2The other end is connect with bus loop line；8th resistance R3One end
With the second comparator U1Output plus terminal connection, the 8th resistance R3The other end and the second diode D3Cathode connection；Second diode D3
Anode and first comparator U2Output end connection, the first trigger U3The end S and the second comparator U1Output end connection, the first touching
Send out device U3The end R with first resistor R7One end connection, the tenth resistance R8One end and the first trigger U3Output end connection, the tenth
Resistance R8The other end and the second triode Q2Base stage connection, the second triode Q2Emitter is connect with bus loop line, the second triode
Q2Collector and first comparator U2Input anode connection.
5. the shunt regulator device of the anti-single power supply shorted diode of spacecraft as described in claim 1, it is characterised in that system
When normal work, field-effect tube Q is shunted1By electric current be less than maximum current detection circuit (3) setting overcurrent protection threshold value,
First triode Q3It is in an off state, shunt field-effect tube Q1It opens or disconnects according to shunting circuit (4) output situation,
Ensure bus VBUSIn stable voltage output for loading RLOADElectricity consumption, when for electric diode D1When short trouble occurs, according to
The shunting field-effect tube Q of maximum current detection circuit (3) setting1The current threshold that passes through of maximum and load RLOADSituation, control
System shunts field-effect tube Q1Turn-on and turn-off, power shorted diode counting circuit (2) to for electric diode D1Divide during short circuit
Flow field-effect tube Q1The number of shutdown is counted, and after reaching agreement cycle times, power supply shorted diode counting circuit (2) is defeated
High level out, thoroughly shutdown shunts field-effect tube Q1, reach after for electric diode short trouble occurs for shunt regulator device list and draw
Play bus VBUSThe defencive function of short circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810801583.6A CN109039064B (en) | 2018-07-20 | 2018-07-20 | Shunting adjusting device for preventing short circuit of single power supply diode of spacecraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810801583.6A CN109039064B (en) | 2018-07-20 | 2018-07-20 | Shunting adjusting device for preventing short circuit of single power supply diode of spacecraft |
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| Publication Number | Publication Date |
|---|---|
| CN109039064A true CN109039064A (en) | 2018-12-18 |
| CN109039064B CN109039064B (en) | 2020-06-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810801583.6A Active CN109039064B (en) | 2018-07-20 | 2018-07-20 | Shunting adjusting device for preventing short circuit of single power supply diode of spacecraft |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2022193881A1 (en) * | 2021-03-19 | 2022-09-22 | 大唐恩智浦半导体（徐州）有限公司 | Current detection circuit for monitoring current source, and integrated circuit |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022193881A1 (en) * | 2021-03-19 | 2022-09-22 | 大唐恩智浦半导体（徐州）有限公司 | Current detection circuit for monitoring current source, and integrated circuit |
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| Publication number | Publication date |
|---|---|
| CN109039064B (en) | 2020-06-02 |
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