CN205901586U - Voltage pre -stabilizing circuit with prevent joining conversely function - Google Patents
Voltage pre -stabilizing circuit with prevent joining conversely function Download PDFInfo
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- CN205901586U CN205901586U CN201620896786.4U CN201620896786U CN205901586U CN 205901586 U CN205901586 U CN 205901586U CN 201620896786 U CN201620896786 U CN 201620896786U CN 205901586 U CN205901586 U CN 205901586U
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Abstract
The utility model discloses a voltage pre -stabilizing circuit with prevent joining conversely function contains the excessive pressure clamping circuit and the BOOST boost circuit that connect gradually, BOOST boost circuit contains synchronous Rectifier drive circuit, input capacitance C2, inductance L1, afterflow MOS pipe Q2, switch MOS pipe Q3, switch MOS pipe Q4 and output capacitance C3, and wherein switch MOS pipe Q3, switch MOS pipe Q4 connect back -to -back. The utility model discloses effectively restrained under -voltage surge of the normal mistake of airborne vehicle power supply and voltage fluctuation to the influence of consumer, simultaneously in normal input voltage range, it is minimum to carry the electronic equipment power conversion efficiency influence to whole machine, and possesses and prevent joining conversely protect function.
Description
Technical field
This utility model is related to mu balanced circuit, particularly to a kind of mu balanced circuit with under-voltage surge adjustment function.
Background technology
In the avionic device that high reliability is powered, need secondary power supply normal excessively deficient to airborne vehicle power supply
Pressure surge has adjustment function, is provided simultaneously with the input voltage of wide scope.For 28v power supply system of DC source load transfer, tune
The overvoltage/undervoltage surge causing during the normal works such as section device corrective action and voltage pulsation, secondary power supply should be able to be without prejudice and lasting
Stable power-supplying, is not interrupted with the work guaranteeing electronic equipment.
For above-mentioned functions, existing avionic device secondary power supply typically employs input one-level or multistage lc
Filtering, realizes the suppression of medium-high frequency surge peak voltage, and its defect is that the suppression to low frequency surge voltage can be relatively low, needs additional
Input overvoltage crowbar, simultaneously inoperative to under-voltage surge, additionally, the fluctuation of input voltage is to rear end dc-dc module
Impact can be produced, affect dc-dc Module Reliability, increase maintenance cost.
In view of the hazardness of overvoltage/undervoltage surge and voltage wide range fluctuation, therefore, how to limit surge voltage and voltage wave
Dynamic harm become airborne electricity electrical equipment design when must faced by problem.
Content of the invention
Goal of the invention of the present utility model is to provide a kind of pre- mu balanced circuit with counnter attack connection function, sets as electricity consumption
Control circuit is protected in the input of standby secondary power supply, effectively inhibits airborne vehicle power supply normal overvoltage/undervoltage surge and voltage pulsation
Impact to electrical equipment, simultaneously in the range of normal input voltage, affects on whole air environment power supply conversion efficiency
Minimum, improve the bulk supply compatibility performance of electrical equipment.
Goal of the invention of the present utility model is achieved through the following technical solutions:
A kind of pre- mu balanced circuit with counnter attack connection function, comprises over-pressed clamp circuit and the boost boosting being sequentially connected
Circuit, described overvoltage clamp circuit is used for controlling to export within under-voltage or normal range by the voltage of input rising piezoelectricity to boost
Road, described boost booster circuit, for having served as output after being boosted when the voltage of press-fitted position circuit output is under-voltage, works as overvoltage
The voltage of clamp circuit output directly exports when being normal, and described boost booster circuit comprises synchronous rectification driving circuit, input
Electric capacity c2, inductance l1, afterflow mos pipe q2, switch mos pipe q3, switch mos pipe q4 and output capacitance c3, synchronous rectification drives electricity
The input on road, one end of inductance l1, one end of input capacitance c2 are just being connected to the input of boost booster circuit, input capacitance
The other end of c2 connects input and bears, and the other end of inductance l1 is connected with the s end of afterflow mos pipe q2, the d end of switch mos pipe q3, continues
The d end of stream mos pipe q2 is connected with one end of electric capacity c3, and the s end of switch mos pipe q3 is connected with the s end of switch mos pipe q4, switch
The other end of the d end of mos pipe q4 and output capacitance c3 with output negative even, the input of synchronous rectification driving circuit also with afterflow
The g end of mos pipe q2, switch mos pipe q3, the g end of switch mos pipe q4 are connected.
Preferably, synchronous rectification driving circuit comprises diode v12, synchronous rectification boost boosting integrated circuit ic 2, electricity
Resistance r8, resistance r9, resistance r10, electric capacity c8, electric capacity c9, electric capacity c10, electric capacity c11, the anode of diode v12 is connected to boost
Just, the vbias port of synchronous rectification boost boosting integrated circuit ic 2 is connected to the moon of diode v12 for the input of booster circuit
Pole, the tg port of synchronous rectification boost boosting integrated circuit ic 2 is connected with the g end of afterflow mos pipe q2, synchronous rectification boost liter
The bg port of pressure integrated circuit ic 2 is connected with the g end of switch mos pipe q3, switch mos pipe q4, and synchronous rectification boost boosting is integrated
The vfb port of circuit ic2 is connected with one end of one end of resistance r9, resistance r8, and the other end of resistance r9 is just connected with output, electricity
The other end of resistance r8, one end of electric capacity c8, one end of electric capacity c9, one end of electric capacity c10, one end of electric capacity c11 and synchronization are whole
With output negative even, the other end of electric capacity c10 is whole with synchronous for the freq port of stream boost boosting integrated circuit ic 2, gnd port
The intv of stream boost boosting integrated circuit ic 2ccPort is connected, and the other end of electric capacity c11 and synchronous rectification boost boost integrated
The ss port of circuit ic2 is connected, and the other end of electric capacity c8 is connected with one end of resistance r10, the other end of electric capacity c9, resistance r10
The boost ith port of integrated circuit ic 2 of the other end and synchronous rectification boost be connected.
Preferably, described overvoltage clamp circuit comprises Bootstrap drive circuit, clamp circuit and mos pipe q1, described from
Lift booster driving circuit to be used for making mos pipe q1 be in pass-through state when input voltage is in under-voltage and nominal input range,
Input voltage is in startup clamp circuit during overvoltage region；Described clamp circuit is used for voltage clamping in normal voltage range
Interior.
Preferably, described overvoltage clamp circuit comprises electric capacity c1, diode v2 and diode v1, and described Bootstrap drives
Circuit comprises diode v6, resistance r1, resistance r2, resistance r3, diode v3, diode v4, diode v5,555 intervalometers
Ic1, electric capacity c4, electric capacity c5, electric capacity c6 and electric capacity c7, the one end at the d end, one end of electric capacity c1 and diode v1 of mos pipe q1 is even
It is connected to input to rectify, the other end of the other end of electric capacity c1 and diode v1 is connected to input and bears, the s end and two of mos pipe q1
The anode of the anode of pole pipe v2 and diode v6 connects, and the negative electrode of one end of resistance r1 and diode v2 is connected to the g of mos pipe
End, the anode of diode v3 is connected to synchronous rectification driving circuit, and one end of the negative electrode of diode v3 and resistance r3 is connected to 555
The reset port of intervalometer ic1 and vccPort, the other end of resistance r3 is connected to disch port and the electricity of 555 intervalometer ic1
One end of resistance r2, the other end of resistance r2 is connected to the one of trig port, thres port and the electric capacity c6 of 555 intervalometer ic1
End, the gnd port of the other end of electric capacity c6, one end of electric capacity c4 and 555 intervalometer ic1 all connects input and bears, and electric capacity c4's is another
Terminate to the cont port of 555 intervalometer ic1, the out port of 555 intervalometer ic1 is connected to one end of electric capacity c5, electric capacity c5's
The other end, the negative electrode of diode v4 are connected with the anode of diode v5, the anode of diode v4, the negative electrode of diode v6 and electric capacity
One end of c7 is connected, and the electric capacity c7 other end, the other end of resistance r1 are connected with the negative electrode of diode v5.
Preferably, described clamp circuit comprises diode v7, diode v8, diode v9, diode v10, diode
V11, electric capacity c12, audion t1, audion t2, resistance r4, resistance r5, resistance r6, resistance r7 and mos pipe q5, diode v7's
Anode is just being connected to input, and the negative electrode of diode v7 is connected to the negative electrode of diode v10, the anode of diode v10 and electric capacity c12
One end be connected to the base stage of audion t1, the colelctor electrode of audion t1 is connected with one end of resistance r5, the resistance r5 other end and
One end of resistance r7 is connected to synchronous rectification driving circuit, and one end of the other end of resistance r7 and resistance r4 is connected to mos pipe q5
D end, the g end of the emitter stage of audion t1, the negative electrode of diode v11 and mos pipe q5, the anode of diode v11, diode v8
Anode, the emitter stage of anode audion t2 of diode v9 be connected with the s end of mos pipe q5, the other end of resistance r4 and three poles
The base stage of pipe t2 is connected, and the colelctor electrode of audion t2 is connected with one end of resistance r6, the other end of resistance r6, the moon of diode v9
Pole is connected with the g end of mos pipe q1, and the other end of electric capacity c12, the negative electrode of diode v8 and input negative are even.
Brief description
Fig. 1 is a kind of structural representation of the pre- mu balanced circuit with counnter attack connection function of this utility model；
Fig. 2 is the structural representation of Bootstrap drive circuit；
Fig. 3 is the structural representation of clamp circuit；
Fig. 4 is the structural representation of synchronous rectification driving circuit.
Specific embodiment
A kind of pre- mu balanced circuit with counnter attack connection function of this utility model is mainly made up of two-stage circuit: the first order was
Pressure clamp circuit, the second level form (as Fig. 1) for boost booster circuit, and wherein over-pressed clamp circuit is mainly driven by Bootstrap
Galvanic electricity road, clamp circuit and mos pipe q1 etc. form, and boost booster circuit is to be opened up by improved synchronous rectification boost booster circuit
The synchronous rectification boost boost control circuit flutterring and having 100% dutycycle is constituted, wherein improved synchronous rectification boost liter
The main distinction of topological Yu the conventional synchronous rectification boost booster circuit topology of volt circuit is switching tube is by two back-to-back
Mos pipe is constituted.
Signal generating circuit and periphery that in over-pressed clamp circuit, Bootstrap drive circuit is made up of 555 intervalometer ic1
Circuit is constituted, as shown in Fig. 2 mainly providing the driving function of mos pipe q1 on input main track so as in under-voltage and normal input
Scope is in pass-through state.
The one end at wherein the d end, one end of electric capacity c1 and diode v1 of mos pipe q1 is connected to input and rectifies (vin), electric capacity
The other end of the other end of c1 and diode v1 is connected to input and bears (gnd), the s end of mos pipe q1 and the anode of diode v2
And the anode of the diode v6 in Bootstrap drive circuit connects, as the input of the boost booster circuit of next stage
Just (vin_boost), the negative electrode of the one end of resistance r1 in bootstrap circuit boost and diode v2 is connected to the g end of mos pipe q1,
The synchronous rectification boost boosting that the anode of the diode v3 in bootstrap circuit boost is connected in synchronous rectification driving circuit is integrated
The intv of circuit ic2ccPort, one end of the negative electrode of diode v3 and resistance r3 be connected to 555 intervalometer c1 reset port and
vccPort, the other end of resistance r3 is connected to the disch port of 555 intervalometer ic1 and one end of resistance r2, and resistance r2's is another
End is connected to one end of the trig port, thres port and electric capacity c6 of 555 intervalometer ic1, the other end of electric capacity c6, electric capacity c4
One end and the gnd port of 555 intervalometer ic1 all connect input negative (being all grounded), the another of electric capacity c4 terminates to 555 intervalometers
The cont port of ic1, the out port of 555 intervalometer ic1 is connected to one end of electric capacity c5, the other end of electric capacity c5, diode v4
Negative electrode be connected with the anode of diode v5, the anode of diode v4, the negative electrode of diode v6 are connected with one end of electric capacity c7, electricity
Hold the c7 other end, the other end of resistance r1 is connected with the negative electrode of v5.
Clamp circuit as shown in figure 3, major function be in overvoltage clamped for driving voltage in the range of certain voltage, make
Over-pressed clamp circuit output voltage is maintained in normal voltage range it is ensured that rear class dc-dc power module can stablize normal work
Make.
The anode of diode v7 is just being connected to input, and the negative electrode of diode v7 is connected to the negative electrode of diode v10, diode
One end of the anode of v10 and electric capacity c12 is connected to the base stage of audion t1, one end phase of the colelctor electrode of audion t1 and resistance r5
Even, the synchronous rectification boost boosting that one end of the resistance r5 other end and resistance r7 is connected in synchronous rectification driving circuit is integrated
The intv of circuit ic2ccPort, one end of the other end of resistance r7 and resistance r4 is connected to the d end of mos pipe q5, audion t1's
The g end of emitter stage, the negative electrode of diode v11 and mos pipe q5, the anode of diode v11, the anode of diode v8, diode v9
Anode, the emitter stage of audion t2 be connected with the s end of mos pipe q5, the other end of resistance r4 is connected with the base stage of audion t2,
The colelctor electrode of audion t2 is connected with one end of resistance r6, the g of the other end of resistance r6, the negative electrode of diode v9 and mos pipe q1
End is connected, and the other end of electric capacity c12, the negative electrode of diode v8 are connected with input negative (gnd).
Boost booster circuit forms by improved boost Boost topology with commutation driver circuit, same to commutation driver circuit
It is made up of the synchronous rectification boost boosting integrated circuit ic 2 and its peripheral resistance capacitance with 100% dutycycle.Wherein improve
Boost Boost topology by input capacitance c2, inductance l1, afterflow mos pipe q2, switch mos pipe q3, switch mos pipe q4, output electricity
Hold c3 to constitute.
Concrete connected mode: the anode of diode v12, one end of inductance l1, one end of electric capacity c2 are connected to boost boosting
Circuit just inputs, and the other end of electric capacity c2 connects input and bears (gnd), the vbias of synchronous rectification boost boosting integrated circuit ic 2
Port is connected to the negative electrode of diode v12, and the other end of inductance l1 is connected with the s end of afterflow mos pipe q2, the d end of switch mos pipe q3
Connect, the d end of afterflow mos pipe q2 is connected with one end of electric capacity c3, the s end of switch mos pipe q3 is connected with the s end of switch mos pipe q4,
The other end of the d end of switch mos pipe q4 and electric capacity c3 connects (gnd) with output negative, synchronous rectification boost boosting integrated circuit
The tg port of ic2 is connected with the g end of afterflow mos pipe q2, and synchronous rectification boost boosts the bg port of integrated circuit ic 2 and switch
Mos pipe q3, the g end of switch mos pipe q4 are connected, and synchronous rectification boost boosts vfb port and resistance r9, the electricity of integrated circuit ic 2
One end of resistance r8 is connected, and the other end of resistance r9 is just connected with output, the other end of resistance r8, one end of electric capacity c8, electric capacity c9
One end, one end of c10, one end of c11 and synchronous rectification boost boost the freq port of integrated circuit ic 2, gnd port
It is connected with output negative (gnd).The other end of electric capacity c10 and the intv of synchronous rectification boost boosting integrated circuit ic 2ccPort phase
Even, the boost ss port of integrated circuit ic 2 of the other end of electric capacity c11 and synchronous rectification boost is connected, the other end of electric capacity c8 and
One end of resistance r10 is connected, the other end of electric capacity c9, the other end of resistance r10 and synchronous rectification boost boosting integrated circuit
The ss port of ic2 is connected.
In whole overvoltage/undervoltage surge control circuit structure, improved boost booster circuit and over-pressed clamp circuit are strings
Connection relation, over-pressed clamp circuit in the prime of improved boost booster circuit, when overvoltage surge and transient peak occur, by
Prime overvoltage clamp circuit is suppressed, and the voltage after the first order improves inductance in boost booster circuit, leads directly to through rear class again
Afterflow mos pipe q2 and rear end capacitor filtering, then export.During under-voltage surge, in over-pressed clamp circuit, mos pipe q1 is in directly
Logical state, starts rear end improved boost booster circuit and carries out boosting output, in normal input voltage scope, overvoltage is clamped
In circuit and improved boost booster circuit, mos pipe q1 and afterflow mos pipe q2, all in pass-through state, switchs mos pipe q3 and opens
Close mos pipe q4 to be closed, thus very little is affected on efficiency.If input positive-negative power is reversed in addition, mos is made to manage
The no driving voltage of q1, afterflow mos pipe q2, switch mos pipe q3 and switch mos pipe q4, and then after electricity on input is reversed, make
Back-end circuit keeps off state with input power, finally realizes anti-reverse defencive function.
This pre- mu balanced circuit is through experiment test: proves there is the work(such as suppression airborne vehicle power supply normal overvoltage/undervoltage surge
Can, make rear end secondary power supply change-over circuit (dc-dc) working stability, reliability, also demonstrate that there is anti-reverse defencive function simultaneously.
555 intervalometer ic1 and synchronous rectification boost boosting integrated circuit ic 2 is commercially available product, in this enforcement
In example, synchronous rectification boost boosting integrated circuit ic 2 is the ltc3769 of linear company, comes for those skilled in the art
Say, can be substituted from other 555 intervalometer with identical function and synchronous rectification boost boosting integrated circuit.
Claims (5)
1. a kind of pre- mu balanced circuit with counnter attack connection function, comprises over-pressed clamp circuit and the boost liter piezoelectricity being sequentially connected
Road, described overvoltage clamp circuit is used for controlling the voltage of input and exports to boost booster circuit within under-voltage or normal range,
Described boost booster circuit, for having served as output after being boosted when the voltage of press-fitted position circuit output is under-voltage, has served as being press-fitted
Directly export when the voltage of position circuit output is normal it is characterised in that described boost booster circuit comprises synchronous rectification driving
Circuit, input capacitance c2, inductance l1, afterflow mos pipe q2, switch mos pipe q3, switch mos pipe q4 and output capacitance c3, synchronous whole
The stream input of drive circuit, one end of inductance l1, one end of input capacitance c2 are just being connected to the input of boost booster circuit,
The other end of input capacitance c2 connects input and bears, the s end of the other end of inductance l1 and afterflow mos pipe q2, the d of switch mos pipe q3
End connects, and the d end of afterflow mos pipe q2 is connected with one end of electric capacity c3, the s end of the s end of switch mos pipe q3 and switch mos pipe q4
It is connected, the d end of switch mos pipe q4 and the other end of output capacitance c3 are connected with output negative, the input of synchronous rectification driving circuit
End is also connected with the g end of the g end of afterflow mos pipe q2, switch mos pipe q3, switch mos pipe q4.
2. a kind of pre- mu balanced circuit with counnter attack connection function according to claim 1 is it is characterised in that synchronous rectification is driven
Galvanic electricity road comprises diode v12, synchronous rectification boost boosting integrated circuit ic 2, resistance r8, resistance r9, resistance r10, electric capacity
C8, electric capacity c9, electric capacity c10, electric capacity c11, the anode of diode v12 is just being connected to the input of boost booster circuit, synchronous rectification
The vbias port of boost boosting integrated circuit ic 2 is connected to the negative electrode of diode v12, the synchronous rectification boost integrated electricity of boosting
The tg port of road ic2 is connected with the g end of afterflow mos pipe q2, synchronous rectification boost boost integrated circuit ic 2 bg port with open
Close mos pipe q3, the g end of switch mos pipe q4 is connected, synchronous rectification boost boosts vfb port and the resistance r9 of integrated circuit ic 2
One end, one end of resistance r8 be connected, the other end of resistance r9 is just connected with output, the other end of resistance r8, the one of electric capacity c8
End, one end of electric capacity c9, one end of electric capacity c10, one end of electric capacity c11 and synchronous rectification boost boosting integrated circuit ic 2
With output negative even, the other end of electric capacity c10 and synchronous rectification boost boost integrated circuit ic 2 for freq port, gnd port
intvccPort is connected, and the other end of electric capacity c11 is connected with the ss port of synchronous rectification boost boosting integrated circuit ic 2, electric capacity
The other end of c8 is connected with one end of resistance r10, the other end of electric capacity c9, the other end of resistance r10 and synchronous rectification boost liter
The ith port of pressure integrated circuit ic 2 is connected.
3. a kind of pre- mu balanced circuit with counnter attack connection function according to claim 1 is it is characterised in that described excessively press-fitted
Position circuit comprises Bootstrap drive circuit, clamp circuit and mos pipe q1, and described Bootstrap drive circuit is used in input electricity
Pressure makes mos pipe q1 be in pass-through state when being in under-voltage and nominal input range, starts when input voltage is in overvoltage region
Clamp circuit；Described clamp circuit is used for voltage clamping in normal voltage range.
4. a kind of pre- mu balanced circuit with counnter attack connection function according to claim 3 is it is characterised in that described excessively press-fitted
Position circuit comprise electric capacity c1, diode v2 and diode v1, described Bootstrap drive circuit comprise diode v6, resistance r1,
Resistance r2, resistance r3, diode v3, diode v4, diode v5,555 intervalometer ic1, electric capacity c4, electric capacity c5, electric capacity c6 and
The one end at the d end, one end of electric capacity c1 and diode v1 of electric capacity c7, mos pipe q1 is connected to input and rectifies, the other end of electric capacity c1
It is connected to input with the other end of diode v1 to bear, the sun of the s end of mos pipe q1 and the anode of diode v2 and diode v6
Pole connects, and the negative electrode of one end of resistance r1 and diode v2 is connected to the g end of mos pipe, and the anode of diode v3 is connected to synchronization
Commutation driver circuit, one end of the negative electrode of diode v3 and resistance r3 is connected to reset port and the v of 555 intervalometer ic1ccEnd
Mouthful, the other end of resistance r3 is connected to the disch port of 555 intervalometer ic1 and one end of resistance r2, and the other end of resistance r2 is even
It is connected to one end of the trig port, thres port and electric capacity c6 of 555 intervalometer ic1, the other end of electric capacity c6, the one of electric capacity c4
The gnd port of end and 555 intervalometer ic1 all connects input and bears, another cont port terminating to 555 intervalometer ic1 of electric capacity c4,
The out port of 555 intervalometer ic1 is connected to one end of electric capacity c5, the other end of electric capacity c5, the negative electrode of diode v4 and diode
The anode of v5 is connected, and the anode of diode v4, the negative electrode of diode v6 are connected with one end of electric capacity c7, the electric capacity c7 other end, electricity
The other end of resistance r1 is connected with the negative electrode of diode v5.
5. a kind of pre- mu balanced circuit with counnter attack connection function according to claim 3 is it is characterised in that described clamped electricity
Road comprises diode v7, diode v8, diode v9, diode v10, diode v11, electric capacity c12, audion t1, audion
T2, resistance r4, resistance r5, resistance r6, resistance r7 and mos pipe q5, the anode of diode v7 is just being connected to input, diode v7's
Negative electrode is connected to the negative electrode of diode v10, and one end of the anode of diode v10 and electric capacity c12 is connected to the base stage of audion t1,
The colelctor electrode of audion t1 is connected with one end of resistance r5, and one end of the resistance r5 other end and resistance r7 is connected to synchronous rectification and drives
Galvanic electricity road, one end of the other end of resistance r7 and resistance r4 is connected to the d end of mos pipe q5, the emitter stage of audion t1, diode
The negative electrode of v11 and the g end of mos pipe q5, the anode of diode v11, the anode of diode v8, the anode audion t2 of diode v9
Emitter stage be connected with the s end of mos pipe q5, the other end of resistance r4 is connected with the base stage of audion t2, the current collection of audion t2
Pole is connected with one end of resistance r6, and the other end of resistance r6, the negative electrode of diode v9 are connected with the g end of mos pipe q1, electric capacity c12
The other end, the negative electrode of diode v8 and input negative even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620896786.4U CN205901586U (en) | 2016-08-17 | 2016-08-17 | Voltage pre -stabilizing circuit with prevent joining conversely function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620896786.4U CN205901586U (en) | 2016-08-17 | 2016-08-17 | Voltage pre -stabilizing circuit with prevent joining conversely function |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107659145A (en) * | 2017-10-23 | 2018-02-02 | 山东超越数控电子有限公司 | A kind of circuit structure of extension DC/DC power input voltage scopes |
| CN107658858A (en) * | 2017-09-26 | 2018-02-02 | 惠州市德赛西威汽车电子股份有限公司 | A kind of Vehicular power protective circuit |
| CN108963966A (en) * | 2018-06-25 | 2018-12-07 | 北京航天发射技术研究所 | A kind of distribution controller for power supply and distribution |
| CN110048607A (en) * | 2019-05-30 | 2019-07-23 | 上海南芯半导体科技有限公司 | A kind of conversion circuit and implementation method of seamless switching boosting and straight-through operating mode |
| CN113972623A (en) * | 2021-09-29 | 2022-01-25 | 中国兵器装备集团上海电控研究所 | Direct current surge suppression circuit based on NMOS pipe |
| CN115133629A (en) * | 2022-09-02 | 2022-09-30 | 深圳市单源半导体有限公司 | Charging control circuit, control method and lithium battery high-side driving circuit |
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2016
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107658858A (en) * | 2017-09-26 | 2018-02-02 | 惠州市德赛西威汽车电子股份有限公司 | A kind of Vehicular power protective circuit |
| CN107658858B (en) * | 2017-09-26 | 2019-05-17 | 惠州市德赛西威汽车电子股份有限公司 | A kind of Vehicular power protective circuit |
| CN107659145A (en) * | 2017-10-23 | 2018-02-02 | 山东超越数控电子有限公司 | A kind of circuit structure of extension DC/DC power input voltage scopes |
| CN108963966A (en) * | 2018-06-25 | 2018-12-07 | 北京航天发射技术研究所 | A kind of distribution controller for power supply and distribution |
| CN110048607A (en) * | 2019-05-30 | 2019-07-23 | 上海南芯半导体科技有限公司 | A kind of conversion circuit and implementation method of seamless switching boosting and straight-through operating mode |
| CN113972623A (en) * | 2021-09-29 | 2022-01-25 | 中国兵器装备集团上海电控研究所 | Direct current surge suppression circuit based on NMOS pipe |
| CN115133629A (en) * | 2022-09-02 | 2022-09-30 | 深圳市单源半导体有限公司 | Charging control circuit, control method and lithium battery high-side driving circuit |
| CN115133629B (en) * | 2022-09-02 | 2022-11-25 | 深圳市单源半导体有限公司 | Charging control circuit, control method and lithium battery high-side driving circuit |
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