CN103414332B - A kind of power supply chip fault detect and control circuit, method and system - Google Patents
A kind of power supply chip fault detect and control circuit, method and system Download PDFInfo
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- CN103414332B CN103414332B CN201310389552.1A CN201310389552A CN103414332B CN 103414332 B CN103414332 B CN 103414332B CN 201310389552 A CN201310389552 A CN 201310389552A CN 103414332 B CN103414332 B CN 103414332B
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Abstract
The invention discloses a kind of power supply chip fault detect and control circuit, it is connected in parallel on the peripheral booster circuit of power supply chip, this circuit comprises: multivibrator controller, the input of multivibrator controller is connected with the output of the peripheral booster circuit of power supply chip, controls the output of multivibrator; Multivibrator, the input of multivibrator is connected with the output of multivibrator controller, and whether the output of multivibrator is connected with the enable signal end of power supply chip, control described power supply chip and restart. The present invention adopts this circuit to detect output voltage, in the time of output abnormality situation, can restart in time control, autoboot; In addition, a kind of power supply chip fault detect and control method and system are also disclosed, by booster voltage is detected, controlling power supply chip normally works, make it in the time that power supply chip is interfered cisco unity malfunction, can automatically detect and restart, be that power-off is restarted power supply chip and do not need people.
Description
Technical field
The present invention relates to power failure monitor technical field, in particular, relate to a kind of power supply chipFault detect and control circuit, method and system.
Background technology
At present, for the equipment that uses power supply chip, in actual applications, cannot can meet with avoidingTo extraneous strongly disturbing situation, in the time that power supply chip is subject to external environment strong electromagnetic, power supply chip justCisco unity malfunction, causes global voltage deficiency, causes this equipment normally not show, need to manually enterRow is restarted could recover normal work. For example: power supply chip is widely used in the driving field to touch-screen,Touch screen technology supports the use with high voltage converter gradually, and the electricity of high voltage converter environment of living inMagnetic disturbance is more serious. In the time being subject to external environment strong electromagnetic, the screen of touch-screen often occurs whiteConsequently it cannot normally show the phenomenons such as screen, and often need artificial power-off restarting touch-screen, this is due to electricitySource chip is subject to electromagnetic interference and causes cisco unity malfunction, causes global voltage deficiency, cannot drivenTouch-screen.
Therefore, improving the antijamming capability of power supply chip, improve the reliability of system, is art technologyPersonnel's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of power supply chip fault detect and control circuit, method and beSystem, to overcome in prior art the antijamming capability due to power supply chip low, can not automatically detect recoveryProblem.
For achieving the above object, the invention provides following technical scheme:
A kind of power supply chip fault detect and control circuit, described power supply chip fault detect and control circuitBe connected in parallel on the peripheral booster circuit of power supply chip, this power supply chip fault detect and control circuit comprise:
Multivibrator controller, the input of described multivibrator controller and the periphery of power supply chipThe output of booster circuit connects, for controlling the output of multivibrator;
Multivibrator, the output of the input of described multivibrator and described multivibrator controllerEnd is connected, and the output of described multivibrator is connected with the enable signal end of described power supply chip, forWhether control described power supply chip restarts.
Preferably, the peripheral booster circuit of described power supply chip comprises inductance L 1, diode D1 and electric capacityC4, one end connected system power supply VCC of described inductance L 1 and the pin VIN of described power supply chip, anotherOne end is connected in pin SW1, the pin SW2 of described power supply chip and the positive pole of described diode D1,The negative pole of described diode D1 is through described capacitor C 4 ground connection, the negative pole of described diode D1 be described outsideEnclose the output of booster circuit.
Preferably, described multivibrator controller comprises divider resistance R1 and R2, voltage-stabiliser tube Z1 and opensClose pipe Q1, one end of described divider resistance R1 is connected with the output of described peripheral booster circuit, anotherEnd is through described divider resistance R2 ground connection, the common port of described divider resistance R1 and described divider resistance R2Be connected with the negative pole of described voltage-stabiliser tube Z1, the base of the positive pole of described voltage-stabiliser tube Z1 and described switching tube Q1Extremely connected, the grounded emitter of described switching tube, the colelctor electrode of described triode is as described multi-harmonic-oscillationsThe output of device controller.
Preferably, described multivibrator controller also comprises capacitor C 1, a termination of described capacitor C 1Ground, the other end is connected in the positive pole of described voltage-stabiliser tube Z1.
Wherein, described switching tube Q1 is NPN type triode or P channel MOS tube.
Preferably, described multivibrator comprises resistance R 3 and resistance R 4, capacitor C 3 and phase inverterU1-E, wherein, described resistance R 3 is in parallel with described phase inverter U1-E, and described phase inverter U1-E's is defeatedEnter the input of end for described multivibrator, the input of described phase inverter U1-E is through described capacitor C 3Ground connection, the output of described phase inverter U1-E is the output as described multivibrator through described resistance R 4End is connected with the enable signal end EN of described power supply chip.
Wherein, described power supply chip is TPS65105, TPS65160, TPS65141 or TPS65101.
The present invention is on the basis of above-mentioned disclosed a kind of power supply chip fault detect and control circuit, also publicA kind of power supply chip fault detect and control method are opened, on the peripheral booster circuit of described power supply chipPower supply chip fault detect described above in parallel and control circuit, the method comprises:
Described power supply chip fault detect and control circuit detect the electricity that boosts of described peripheral booster circuit outputPress;
Judge that whether described booster voltage is normal;
In the time that described booster voltage is undesired, described power supply chip fault detect and control circuit output are restartedDescribed in signal controlling, power supply chip is restarted;
In the time that described booster voltage is normal, described power supply chip fault detect and control circuit are as anti-phase electricityRoad, output high level, normally exports described power supply chip.
Wherein, described Restart Signal is 50% dutycycle Restart Signal.
The invention also discloses a kind of power supply chip fault detect and control system, at described power supply chipPower supply chip fault detect described above in parallel and control circuit on peripheral booster circuit, this system comprises:
Detecting unit, for detection of the booster voltage of described peripheral booster circuit output;
Judging unit, for judging that whether described booster voltage is normal;
Restart unit, in the time that described booster voltage is undesired, described power supply chip fault detect and controlDescribed in circuit output Restart Signal processed control, power supply chip is restarted;
Control module, in the time that described booster voltage is normal, described power supply chip fault detect and controlCircuit is as negative circuit, and output high level, normally exports described power supply chip.
Known via above-mentioned technical scheme, compared with prior art, the invention discloses a kind of power supply coreSheet fault detect and control circuit, described power supply chip fault detect and control circuit are connected in parallel on power supply chipPeripheral booster circuit on, this power supply chip fault detect and control circuit comprise: multivibrator controlDevice, the output of the input of described multivibrator controller and the peripheral booster circuit of power supply chip connectsConnect, for controlling the output of multivibrator; Multivibrator, the input of described multivibrator withThe output of described multivibrator controller is connected, the output of described multivibrator and described power supplyWhether the enable signal end of chip is connected, restart for controlling described power supply chip. The invention described above adoptsThis circuit detects power supply chip output voltage, in the time of output abnormality situation, can restart in timeControl, automatically detect and restart; In addition, also disclose a kind of power supply chip fault detect and control method andSystem, by booster voltage is detected, power supply chip fault detect and control circuit control power supply coreSheet is normally worked, and makes it in the time that power supply chip is interfered cisco unity malfunction, and can automatically detect and restart,Be that power-off is restarted power supply chip and do not need people, thereby improved the reliability of system.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to realityThe accompanying drawing of executing required use in example or description of the Prior Art is briefly described, apparently, belowAccompanying drawing in description is only embodiments of the invention, for those of ordinary skill in the art, notPay under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
Fig. 1 is that the structure of the disclosed a kind of power supply chip fault detect of the embodiment of the present invention and control circuit is shownIntention;
Fig. 2 is the circuit diagram of the peripheral booster circuit of the disclosed power supply chip of the embodiment of the present invention;
Fig. 3 is the circuit diagram of the disclosed a kind of power supply chip fault detect of the embodiment of the present invention and control circuit;
Fig. 4 is the flow process of the disclosed a kind of power supply chip fault detect of the embodiment of the present invention and control methodFigure;
Fig. 5 is that the structure of the disclosed a kind of power supply chip fault detect of the embodiment of the present invention and control system is shownIntention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried outDescribe clearly and completely, obviously, described embodiment is only the present invention's part embodiment, andNot whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the art are not doingGo out the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.
The invention discloses a kind of power supply chip fault detect and control circuit, described power supply chip fault inspectionSurvey and control circuit are connected in parallel on the peripheral booster circuit of power supply chip, this power supply chip fault detect and controlCircuit processed comprises: multivibrator controller, the input of described multivibrator controller and power supply coreThe output of the peripheral booster circuit of sheet connects, for controlling the output of multivibrator; Multivibrator,The input of described multivibrator is connected with the output of described multivibrator controller, described multi resonantThe output of oscillator is connected with the enable signal end of described power supply chip, for controlling described power supply chipWhether restart. The invention described above adopts this circuit to detect power supply chip output voltage, different in outputWhen reason condition, can restart in time control, automatically detect and restart; In addition, a kind of power supply is also disclosedFailure of chip detection and control method and system, by booster voltage is detected, power supply chip faultDetection and control circuit control power supply chip are normally worked, and it is interfered at power supply chip can not be normalWhen work, can automatically detect and restart, be that power-off is restarted power supply chip and do not need people, therebyImprove the reliability of system.
Referring to accompanying drawing 1, is the disclosed a kind of power supply chip fault detect of the embodiment of the present invention and control circuitStructural representation. The invention discloses a kind of power supply chip fault detect and control circuit, it is connected in parallel onOn power supply chip and peripheral booster circuit 101, this power supply chip fault detect and control circuit comprise: manyHarmonic oscillator controller 102, boosts in the input of multivibrator controller 102 and power supply chip and peripheryThe output of circuit 101 connects, for controlling the output of multivibrator 103; Multivibrator 103,The input of multivibrator 103 is connected with the output of multivibrator controller 102, multi-harmonic-oscillationsThe output of device 103 is connected with the enable signal end of power supply chip, for whether controlling described power supply chipRestart. Concrete, refer to accompanying drawing 2 and accompanying drawing 3. Accompanying drawing 2 is the disclosed power supply core of the embodiment of the present inventionThe circuit diagram of the peripheral booster circuit of sheet; Accompanying drawing 3 is the disclosed a kind of power supply chip event of the embodiment of the present inventionThe circuit diagram of barrier detection and control circuit.
Preferably, referring to accompanying drawing 2, is the peripheral booster circuit of the disclosed power supply chip of the embodiment of the present inventionCircuit diagram. The peripheral booster circuit of above-mentioned power supply chip comprises inductance L 1, diode D1 and capacitor C 4,One end connected system power supply VCC of inductance L 1 and the pin VIN of power supply chip, the other end is connected in electricityPin SW1, the pin SW2 of source chip and the positive pole of diode D1, the negative pole of diode D1 is through electricityHold C4 ground connection, the output terminals A VDD that the negative pole of diode D1 is peripheral booster circuit.
Preferably, refer to accompanying drawing 3, for the disclosed a kind of power supply chip fault detect of the embodiment of the present invention andThe circuit diagram of control circuit. Above-mentioned multivibrator controller 102 comprises divider resistance R1 and R2, steadyPressure pipe Z1 and switching tube Q1, divider resistance R1 and divider resistance R2 and voltage-stabiliser tube Z1 gauge tap pipeThe conducting of Q1 and cut-off, wherein, one end of divider resistance R1 and the output terminals A VDD of peripheral booster circuitBe connected, the other end is through the ground connection of divider resistance R2, the common port of divider resistance R1 and divider resistance R2Be connected with the negative pole of voltage-stabiliser tube Z1, the positive pole of voltage-stabiliser tube Z1 is connected with the base stage of switching tube Q1, switchThe grounded emitter of pipe Q1, the colelctor electrode of switching tube Q1 is as the output of multivibrator controller.
Preferably, refer to accompanying drawing 3, multivibrator controller described above also comprises capacitor C 1, electricityOne end ground connection of holding C1, the other end is connected in the positive pole of voltage-stabiliser tube Z1.
Preferably, switching tube Q1 described above is NPN type triode or P channel MOS tube.
Preferably, refer to the circuit diagram of disclosed multivibrator in accompanying drawing 3. Above-mentioned multivibratorComprise resistance R 3 and resistance R 4, capacitor C 3 and phase inverter U1-E, wherein, resistance R 3 and phase inverterU1-E parallel connection, the input that the input of phase inverter U1-E is multivibrator, phase inverter U1-E's is defeatedEnter end through capacitor C 3 ground connection, the output of phase inverter U1-E through resistance R 4 as multivibratorOutput is connected with the enable signal end EN of power supply chip.
Concrete, above-mentioned power supply chip can be TPS65105, TPS65160, TPS65141 orTPS65101。
By reference to the accompanying drawings 2 and accompanying drawing 3 shown in, the peripheral circuit of power supply chip booster circuit mainly by inductance L 1,The booster circuit that diode D1 and capacitor C 4 form; Multivibrator is by resistance R 3, resistance R 4 (limitStream), capacitor C 3 and phase inverter U1-E form, time constant is determined by resistance R 3 and capacitor C 3; ManyHarmonic oscillator controller, the voltage after boosting for detection of booster circuit, by divider resistance R1 and dividing potential dropResistance R 2 dividing potential drops, process voltage-stabiliser tube Z1 (R1, R2, Z1 act as to regulate and control threshold value) is to switching tubeQ1 controls, in the time that booster voltage AVDD is undesired, and switch Q1 cut-off, defeated by multivibratorGo out dutycycle and be 50% Restart Signal EN power supply chip U2 is restarted, until booster voltageAVDD output is normal; In the time that booster voltage AVDD is normal, switch Q1 conducting, C3 is by short circuit, brokenGone bad the condition of multivibrator, multivibrator is as negative circuit, and output high level enables power supply coreSheet U2 normally exports.
The invention discloses a kind of power supply chip fault detect and control circuit, power supply chip fault detect andControl circuit is connected in parallel on the peripheral booster circuit of power supply chip, this power supply chip fault detect and control electricityRoad comprises: multivibrator controller, the input of multivibrator controller and the periphery of power supply chipThe output of booster circuit connects, for controlling the output of multivibrator; Multivibrator, multi resonant shakesThe input that swings device is connected with the output of multivibrator controller, the output of multivibrator and electricityWhether the enable signal end of source chip is connected, restart for controlling described power supply chip. The invention described above is adoptedPower supply chip output voltage is detected with this circuit, in the time of output abnormality situation, can carry out in time weightOpen control, automatically detect and restart, the antijamming capability of power supply chip is improved, can realize power supply chipAutomatic detection recover, and do not need people for restarting, thereby improved the reliability of system.
The embodiment of the present invention on above-mentioned disclosed basis, also disclose a kind of power supply chip fault detect andControl method, refers to accompanying drawing 4, is the disclosed a kind of power supply chip fault detect of the embodiment of the present invention and controlThe flow chart of method processed. The embodiment of the invention discloses a kind of power supply chip fault detect and control method,Above-mentioned power supply chip fault detect in parallel and control circuit on the peripheral booster circuit of described power supply chip,The method concrete steps comprise:
Step 201: power supply chip fault detect and control circuit detect the electricity that boosts of peripheral booster circuit outputPress;
Step 202: judge that whether booster voltage is normal;
In the time that power supply chip is normal, the booster voltage AVDD of output is the voltage setting according to demand,In the time that power supply chip is undesired, the input voltage value that booster voltage is power supply chip, by power supply chip eventThe real output value that barrier detects and control circuit detects booster voltage AVDD is to judge this booster voltageWhether AVDD is normal.
For example, the input voltage of power supply chip is 5V, when application circuit needs power supply chip output voltage isWhen 11V, in the time that power supply chip is normal, the booster voltage AVDD of output is setting value 11V; When the electricity that boostsWhile pressing AVDD undesired, the output voltage of power supply chip is input voltage 5V. When power supply chip fault detectWhile detecting that with control circuit booster voltage AVDD is 11V, just can judge booster voltage AVDDOften; In the time detecting that booster voltage AVDD is 5V, can judge that booster voltage AVDD is undesired.
Step 203: in the time that booster voltage is undesired, power supply chip fault detect and control circuit output are restartedSignal control power supply chip is restarted;
Step 204: in the time that booster voltage is normal, power supply chip fault detect and control circuit are as anti-phase electricityRoad, output high level, normally exports power supply chip.
In the time that booster voltage AVDD is undesired, being 50% by multivibrator output duty cycle restarts letterNumber EN is restarted power supply chip, until booster voltage AVDD output is normal; Work as booster voltageWhen AVDD is normal, multivibrator is exported high level as negative circuit, enables power supply chip normally defeatedGo out.
On the basis of the disclosed embodiment of the invention described above, refer to accompanying drawing 5, be embodiment of the present invention public affairsA kind of power supply chip fault detect of opening and the structural representation of control system. The embodiment of the present invention is also openA kind of power supply chip fault detect and control system, on the peripheral booster circuit of power supply chip in parallel connectionState power supply chip fault detect and control circuit, this system architecture specifically comprises: detecting unit 301, forDetect the booster voltage of peripheral booster circuit output; Judging unit 302, for judging whether just booster voltageOften; Restart unit 303, in the time that booster voltage is undesired, power supply chip fault detect and control circuitOutput Restart Signal control power supply chip is restarted; Control module 304, in the time that booster voltage is normal, electricitySource chip fault detect and control circuit be as negative circuit, and output high level enables power supply chip normalOutput.
The disclosed a kind of power supply chip fault detect of the invention described above and control method and system, at power supply coreOn the peripheral booster circuit of sheet, parallel connection power supply failure of chip detects and control circuit, and the method comprises: power supplyWhether the booster voltage that failure of chip detection and control circuit detect peripheral booster circuit output is normal; Work as literPiezoelectricity is pressed when undesired, power supply chip fault detect and control circuit output Restart Signal control power supply chipRestart; In the time that booster voltage is normal, power supply chip fault detect and control circuit are as negative circuit, defeatedGo out high level and enable power supply chip and normally export, by booster voltage is detected, power supply chip faultDetection and control circuit control power supply chip are normally worked, and it is interfered at power supply chip can not be normalWhen work, can automatically detect and restart, be that power-off is restarted power supply chip and do not need people, thereby carryThe high reliability of system.
In sum: the invention discloses a kind of power supply chip fault detect and control circuit, described power supplyFailure of chip detects and control circuit is connected in parallel on the peripheral booster circuit of power supply chip, this power supply chip eventBarrier detects and control circuit comprises: multivibrator controller, the input of described multivibrator controllerEnd is connected with the output of the peripheral booster circuit of power supply chip, for controlling the output of multivibrator;Multivibrator, the output phase of the input of described multivibrator and described multivibrator controllerConnect, the output of described multivibrator is connected with the enable signal end of described power supply chip, for controllingWhether described power supply chip restarts. The invention described above adopts this circuit to examine power supply chip output voltageSurvey, in the time of output abnormality situation, can restart in time control, automatically detect and restart; In addition, also publicOpen a kind of power supply chip fault detect and control method and system, by booster voltage is detected,Power supply chip fault detect and control circuit control power supply chip are normally worked, and it is subject at power supply chipWhile disturbing cisco unity malfunction, can automatically detect and restart, be that power-off is entered power supply chip and do not need peopleRow is restarted, thereby has improved the reliability of system.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field can be realized or useThe present invention. To be aobvious and easy for those skilled in the art to the multiple amendment of these embodimentSee, General Principle as defined herein can be in the situation that not departing from the spirit or scope of the present invention,Realize in other embodiments. Therefore, the present invention will can not be restricted to these embodiment shown in this article,But to meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. power supply chip fault detect and a control circuit, is characterized in that, described power supply chip faultDetection and control circuit are connected in parallel on the peripheral booster circuit of power supply chip, for detection of peripheral booster circuitThe booster voltage of output, in the time that booster voltage is abnormal, controls power supply chip and restarts, this power supply chip faultDetection and control circuit comprise:
Multivibrator controller, the input of described multivibrator controller and the periphery of power supply chipThe output of booster circuit connects, for controlling the output of multivibrator;
Multivibrator, the output of the input of described multivibrator and described multivibrator controllerEnd is connected, and the output of described multivibrator is connected with the enable signal end of described power supply chip, forWhether control described power supply chip restarts.
2. power supply chip fault detect according to claim 1 and control circuit, is characterized in that,The peripheral booster circuit of described power supply chip comprises inductance L 1, diode D1 and capacitor C 4, described inductanceOne end connected system power supply VCC of L1 and the pin VIN of described power supply chip, the other end is connected in instituteState pin SW1, the pin SW2 of power supply chip and the positive pole of described diode D1, described diodeThe negative pole of D1 is through described capacitor C 4 ground connection, and the negative pole of described diode D1 is described peripheral booster circuitOutput.
3. power supply chip fault detect according to claim 1 and 2 and control circuit, its feature existsIn, described multivibrator controller comprises divider resistance R1 and R2, voltage-stabiliser tube Z1 and switching tube Q1,One end of described divider resistance R1 is connected with the output of described peripheral booster circuit, and the other end is through described pointPiezoresistance R2 ground connection, the common port of described divider resistance R1 and described divider resistance R2 and described voltage stabilizingThe negative pole of pipe Z1 is connected, and the positive pole of described voltage-stabiliser tube Z1 is connected with the base stage of described switching tube Q1, instituteState the grounded emitter of switching tube, the colelctor electrode of described switching tube Q1 is as described multivibrator controllerOutput.
4. power supply chip fault detect according to claim 3 and control circuit, is characterized in that,Described multivibrator controller also comprises capacitor C 1, one end ground connection of described capacitor C 1, and the other end connectsBe connected to the positive pole of described voltage-stabiliser tube Z1.
5. power supply chip fault detect according to claim 3 and control circuit, is characterized in that,Described switching tube Q1 is NPN type triode.
6. power supply chip fault detect according to claim 1 and control circuit, is characterized in that,Described multivibrator comprises resistance R 3 and resistance R 4, capacitor C 3 and phase inverter U1-E, wherein,Described resistance R 3 is in parallel with described phase inverter U1-E, and the input of described phase inverter U1-E is described manyThe input of harmonic oscillator, the input of described phase inverter U1-E is through described capacitor C 3 ground connection, described anti-The output of phase device U1-E is output and the described power supply as described multivibrator through described resistance R 4The enable signal end EN of chip is connected.
7. power supply chip fault detect according to claim 1 and control circuit, described power supply chipFor TPS65105, TPS65160, TPS65141 or TPS65101.
8. power supply chip fault detect and a control method, is characterized in that, at described power supply chipOn peripheral booster circuit in the claims 1-7 in parallel described in any one power supply chip fault detect andControl circuit, the method comprises:
Described power supply chip fault detect and control circuit detect the electricity that boosts of described peripheral booster circuit outputPress;
Judge that whether described booster voltage is normal;
In the time that described booster voltage is undesired, described power supply chip fault detect and control circuit output are restartedDescribed in signal controlling, power supply chip is restarted;
In the time that described booster voltage is normal, described power supply chip fault detect and control circuit are as anti-phase electricityRoad, output high level, normally exports described power supply chip.
9. power supply chip fault detect according to claim 8 and control method, is characterized in that,Described Restart Signal is 50% dutycycle Restart Signal.
10. power supply chip fault detect and a control system, is characterized in that, at described power supply chipPeripheral booster circuit on power supply chip fault detect described in any one in the claims 1-7 in parallelAnd control circuit, this system comprises:
Detecting unit, for detection of the booster voltage of described peripheral booster circuit output;
Judging unit, for judging that whether described booster voltage is normal;
Restart unit, in the time that described booster voltage is undesired, described power supply chip fault detect and controlDescribed in circuit output Restart Signal processed control, power supply chip is restarted;
Control module, in the time that described booster voltage is normal, described power supply chip fault detect and controlCircuit is as negative circuit, and output high level, normally exports described power supply chip.
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| CN104682686B (en) * | 2015-02-09 | 2017-07-11 | 中国电子科技集团公司第二十三研究所 | A kind of low-power consumption bringing onto load dc source shift control module |
| US10277127B2 (en) * | 2015-10-17 | 2019-04-30 | Intersil Americas LLC | Enhanced fault reporting in voltage regulators |
| CN108226749A (en) * | 2017-12-11 | 2018-06-29 | 天津津航计算技术研究所 | A kind of SIP failure of chip detecting system and detection method |
| CN108549292B (en) * | 2018-05-17 | 2021-04-09 | 广东美的制冷设备有限公司 | Control method and device of anti-tripping control box and computer readable storage medium |
| CN109816807A (en) * | 2019-01-24 | 2019-05-28 | 合肥盛东信息科技有限公司 | A kind of endowment intelligent positioning Forewarning Terminal system |
| CN110517396B (en) * | 2019-09-27 | 2022-04-26 | 广东汇泰龙科技股份有限公司 | Method and system capable of enhancing anti-interference capability of intelligent lock |
| CN113341827A (en) * | 2021-06-18 | 2021-09-03 | 南昌华勤电子科技有限公司 | Control method and device of power supply chip |
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| JP3876878B2 (en) * | 2003-11-21 | 2007-02-07 | セイコーエプソン株式会社 | Power supply |
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| CN2598251Y (en) * | 2003-01-08 | 2004-01-07 | 珠海康威特通用电源有限公司 | Active power factor correcting module |
| CN102269789A (en) * | 2010-12-31 | 2011-12-07 | 北京谊安医疗***股份有限公司 | Alarming device of power failure |
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