CN105991005B - Intelligent power module integrated circuit and household electrical appliance - Google Patents
Intelligent power module integrated circuit and household electrical appliance Download PDFInfo
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- CN105991005B CN105991005B CN201510057187.3A CN201510057187A CN105991005B CN 105991005 B CN105991005 B CN 105991005B CN 201510057187 A CN201510057187 A CN 201510057187A CN 105991005 B CN105991005 B CN 105991005B
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Abstract
The invention discloses a kind of intelligent power module integrated circuits, including drive module, protection module and switching tube；Switching tube has first end, second end and control terminal；The signal output end of control terminal and drive module connects, and second end is connect with ground terminal；Drive module is connect with preset control chip, and the signal output end through drive module after the pulse-width signal amplification for receiving control chip output is exported to switching tube, with driving switch pipe；Drive module is used to detect the output voltage size of signal output end, and whether belongs to the state that preset interval range adjusts signal output end output pulse width modulated signal according to the output voltage size of signal output end；The working condition of the voltage swing control switching tube of first end when protection module is used to be turned off according to switching tube；Or protection module is used for the working condition of the size of current control switching tube of second end when detection switch pipe is opened.The invention also discloses a kind of household electrical appliance.
Description
Technical field
The present invention relates to electronic technology field more particularly to intelligent power module integrated circuits and household electrical appliance.
Background technology
It is well known that being typically by microcontroller output pulse width modulated signal, through overdriving in existing IGBT drive circuit
The gate pole that gate drive voltage is directly output to IGBT is formed after module amplification, to control the switch of IGBT.For opening for IGBT
Logical and shutdown is usually only controlled by the pulse-width signal inputted on gate pole, but if the duty of pulse-width signal
Than setting it is improper will cause IGBT when off the overtension of collector and damage IGBT, influence circuit work stabilization
Property.
The above is only used to facilitate the understanding of the technical scheme, and is not represented and is recognized that the above is existing skill
Art.
Invention content
The main purpose of the present invention is to provide a kind of intelligent power module integrated circuit and household electrical appliance, it is intended to improve electricity
The stability of road work.
To achieve the goals above, a kind of intelligent power module integrated circuit of present invention offer includes drive module, protection
Module and switching tube；Wherein,
The switching tube has first end, second end and the control terminal for controlling first end and second end connected state；
The control terminal is connect with the signal output end of the drive module, and second end is connect with ground terminal；
The drive module is connect with preset control chip, and the pulsewidth modulation that will receive the control chip output
The signal output end through the drive module is exported to the switching tube after signal amplification, to drive the switching tube；
The drive module is used to detect the output voltage size of the signal output end, and according to the signal output end
Output voltage size whether belong to preset interval range and adjust the shape that the signal output end exports the pulse-width signal
State；
The voltage swing of protection module first end when being used to be turned off according to the switching tube controls the switch
The working condition of pipe；Or the protection module is used to detect the size of current control of the second end when switching tube is opened
The working condition of the switching tube.
Preferably, the protection module adjusts the signal output end according to the output voltage size of the signal output end
The state for exporting the pulse-width signal includes：
When the output voltage size of the signal output end is not belonging to preset interval range, the drive module controls institute
State the pulse-width signal that signal output end stops output；
Or when the output voltage size of the signal output end is not belonging to preset interval range, the drive module is defeated
Go out to control signal to the control chip, so that the control chip stops exporting the pulse-width signal.
Preferably, the drive module is additionally operable to the pulse-width signal that will be received and preset reference square wave letter
It number is compared, and adjusts the state of the pulse-width signal of the signal output end output according to the result of the comparison.
Preferably, the switching tube is insulated gate bipolar transistor, and the first end is that the insulated gate bipolar is brilliant
The collector of body pipe, the second end are the emitter of the insulated gate bipolar transistor, and the control terminal is the insulation
The gate pole of grid bipolar transistor.
Preferably, the drive module be additionally operable to detect the insulated gate bipolar transistor collector and emitter it
Between voltage, and when the insulated gate bipolar transistor is opened, according to opening insulated gate bipolar transistor described in moment
Collector and emitter between voltage determine the working condition of the insulated gate bipolar transistor, according to the work shape
The output voltage that state adjusts the signal output end rises to time of the second preset value.
Preferably, the working condition includes starting, hard opening and normally；
The output voltage that the signal output end is adjusted according to working condition rises to the time packet of the second preset value
It includes：
When the working condition is to start, time that the voltage of the signal output end rises to the second preset value is the
One threshold value；
When the working condition is hard opens, time that the voltage of the signal output end rises to the second preset value is the
Two threshold values；
When the working condition is normal, time that the voltage of the signal output end rises to the second preset value is the
Three threshold values.
Preferably, when the protection module is used to be turned off according to the switching tube, the voltage swing of the first end controls
When the working condition of the switching tube, the protection module includes voltage sampling circuit and comparator, the voltage sampling circuit
Including first resistor and second resistance, one end of the first resistor is connect with the first end, and the other end passes through described second
Resistance is connect with the ground terminal；The in-phase input end of the comparator is connected to the public of the first resistor and second resistance
End, inverting input are connect with preset reference voltage end, and output end is connected to the control terminal.
Preferably, the protection module is used to detect the size of current control institute of the second end when switching tube is opened
When stating the working condition of switching tube, the intelligent power module integrated circuit further include be serially connected with the second end with it is described
The voltage detecting end of 3rd resistor between ground terminal, the protection module is connect with the second end to detect the second end
Size of current.
Preferably, the protection module is connect with the drive module, and is worked as and detected that the electric current of the second end is more than
When preset value, the drive module is output control signals to, so that the drive module controls the signal output end output in advance
Level signal is set, the switching tube is made to turn off.
Preferably, the protection module is connect with the control chip, and is worked as and detected that the electric current of the second end is more than
When preset value, the control chip is output control signals to, for control chip adjustment output to the drive module
The duty ratio of pulse-width signal.
In addition, in order to achieve the above-mentioned object of the invention, the present invention also provides a kind of household electrical appliance, the household electrical appliance include intelligence
Energy power module integrated circuit, the intelligent power module integrated circuit includes drive module, protection module and switching tube；Its
In,
The switching tube has first end, second end and the control terminal for controlling first end and second end connected state；
The control terminal is connect with the signal output end of the drive module, and second end is connect with ground terminal；
The drive module is connect with preset control chip, and the pulsewidth modulation that will receive the control chip output
The signal output end through the drive module is exported to the switching tube after signal amplification, to drive the switching tube；
The drive module is used to detect the output voltage size of the signal output end, and according to the signal output end
Output voltage size whether belong to preset interval range and adjust the shape that the signal output end exports the pulse-width signal
State；
The voltage swing of protection module first end when being used to be turned off according to the switching tube controls the switch
The working condition of pipe；Or the protection module is used to detect the size of current control of the second end when switching tube is opened
The working condition of the switching tube.
The voltage swing control of first end when being turned off according to switching tube by the way that protection module is arranged of the embodiment of the present invention
The working condition of the switching tube；The size of current of the second end controls the work of the switching tube when being opened according to switching tube
State.Switch is damaged to effectively prevent overtension of the switching tube in the off case between first end and second end
Pipe.In addition, the shape of the pulse-width signal is exported according to the voltage control signal output end of signal output end by drive module
State causes switching tube to burn out so as to effectively prevent the driving voltage of switching tube excessively high, and the driving voltage of switching tube is too low to be made
Magnifying state can not be opened or be in by obtaining switching tube.Therefore intelligent power module integrated circuit provided by the invention improves circuit
The stability of work.
Description of the drawings
Fig. 1 is the schematic diagram of circuit connection structure of intelligent power module integrated circuit first embodiment of the present invention；
Fig. 2 is the schematic diagram of circuit connection structure of intelligent power module integrated circuit second embodiment of the present invention.
The embodiments will be further described with reference to the accompanying drawings for the realization, the function and the advantages of the object of the present invention.
Specific implementation mode
It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not intended to limit the present invention.
The present invention provides a kind of intelligent power module integrated circuit, referring to Fig.1, in one embodiment, the intelligent power mould
Block integrated circuit includes drive module 10, protection module 20 and switching tube 30；Wherein,
The switching tube 30 has first end, second end and the control for controlling first end and second end connected state
End；The control terminal is connect with the signal output end of the drive module, and second end is connect with ground terminal；
The drive module 10 is connect with preset control chip 40, and will receive the arteries and veins for controlling chip 40 and exporting
The signal output end through the drive module 10 is exported to the switching tube 30 after wide modulated signal amplification, to drive the switch
Pipe 30；
The drive module 10 is used to detect the output voltage size of the signal output end, and is exported according to the signal
Whether the output voltage size at end, which belongs to preset interval range, adjusts the signal output end and exports the pulse-width signal
State；
Described in the voltage swing control of first end when being used to be turned off according to the switching tube 30 of the protection module 20
The working condition of switching tube 30；Or the protection module 20 is used to detect the electricity of the second end when switching tube 30 is opened
Stream size controls the working condition of the switching tube 30.
Driving circuit provided in this embodiment is mainly used for realizing the drive control of switching tube 30.Specifically, above-mentioned switch
The structure of pipe 30 can be configured according to actual needs, and in the present embodiment, switching tube 30 is preferably insulated gate bipolar transistor
(IGBT), above-mentioned first end is the collector of the insulated gate bipolar transistor, and the second end is the insulated gate bipolar
The emitter of transistor npn npn, the control terminal are the gate pole of the insulated gate bipolar transistor.
Specifically, for being connect with antiresonant circuit, which includes the first end of above-mentioned switching tube 30
Coil L and resonant capacitance C.When switching tube 30 turns off, coil L and resonant capacitance C enter resonant condition, and electric energy rises, at this time
Voltage will rise between 30 first end and second end of switching tube.When switching tube 30 is opened, stored on coil L and resonant capacitance C
Energy will be released, to reduce the voltage between 30 first end and second end of switching tube, prevent switching tube 30 turn off after switch
Overtension between 30 first end and second end of pipe causes to damage switching tube 30.
In the present embodiment, prevent the overtension of 30 first end and second end of switching tube from can specifically be closed with detection switch pipe 30
The size of current of the second end when voltage swing of the first end or the detection switching tube 30 are opened when disconnected.
When detection switch pipe 30 turns off when the voltage swing of the first end, if the first end when shutdown of switching tube 30
Voltage be more than preset voltage, then control that switching tube 30 is open-minded, prevent switching tube 30 because of the overtension of first end and second end
And damage switching tube 30.
It, can be according to the voltage of the size of current budget switching tube 30 of 30 second end of switching tube after shut-off most in the present embodiment
Big value.When detection switch pipe 30 is opened when the size of current of the second end, if second end when opening of switching tube 30
When electric current is more than preset value, then the shutdown of switching tube 30 is controlled, voltage rises too high and damages after shut-off to prevent switching tube 30
Switching tube 30.
Above-mentioned drive module 10 adjusts the signal output end according to the output voltage size of the signal output end and exports
The state of the pulse-width signal includes：
When the output voltage size of the signal output end is not belonging to preset interval range, the drive module 10 controls
The signal output end stops the pulse-width signal of output；
Or when the output voltage size of the signal output end is not belonging to preset interval range, the drive module 10
The control chip 40 is output control signals to, so that the control chip 40 stops exporting the pulse-width signal.
The size of above-mentioned preset interval range can be configured according to actual needs, not do further limiting herein,
As long as can driving switch pipe 30, and switching tube 30 is prevented to be burned.
It should be noted that the electricity of built-in voltage sampling circuit detection signal input part can be used in above-mentioned drive module 10
Size is pressed, comparator can also be used to judge that the voltage swing of first end, physical circuit form can be set according to actual needs
It sets, does not do further limiting herein.It is understood that the output voltage size of signal output end is not belonging to preset section model
When enclosing, the voltage swing of the signal output end of the drive module 10 can also be adjusted by control chip 40 or drive module 10,
So that the size stabilization of signal output end belongs to upper in preset interval range.Specifically, the output electricity of above-mentioned signal output end
Pressure is the gate drive voltage of above-mentioned insulated gate bipolar transistor.For example, when the gate-drive of insulated gate bipolar transistor
When voltage is more than the upper limit value of above-mentioned preset interval range, it can stop exporting pulse-width signal to insulation by drive module 10
The gate pole of grid bipolar transistor (i.e. by the voltage pull-down of the gate pole of insulated gate bipolar transistor).To prevent insulated gate double
The gate drive voltage of bipolar transistor is excessively high to be caused to damage insulated gate bipolar transistor.
The voltage swing of first end when being turned off according to switching tube 30 by the way that protection module 20 is arranged of the embodiment of the present invention
Control the working condition of the switching tube 30；The size of current of the second end controls the switch when being opened according to switching tube 30
The working condition of pipe 30.To effectively prevent overtension of the switching tube 30 in the off case between first end and second end
And damage switching tube 30.In addition, exporting the arteries and veins according to the voltage control signal output end of signal output end by drive module 10
The state of wide modulated signal causes switching tube 30 to burn out so as to effectively prevent the driving voltage of switching tube 30 excessively high, switch
The driving voltage of pipe 30 is too low so that magnifying state can not be opened or be in switching tube 30.Therefore intelligent power provided by the invention
Modular integrated circuit improves the stability of circuit work.
Further, it is based on above-described embodiment, in a second embodiment, what above-mentioned drive module 10 was additionally operable to will to receive
The pulse-width signal is compared with preset reference square wave signal, and adjusts the signal output according to the result of the comparison
Hold the state of the pulse-width signal of output.
In the present embodiment, said reference square-wave signal can be generated or by square wave generation circuit by above-mentioned control chip 40
It generates, the pulsewidth of the reference square wave signal is to allow the maximum pulse width of output.
When the pulsewidth for the pulse-width signal that the drive module 10 receives is more than the pulsewidth of the reference square wave signal
When, the pulse-width signal that the drive module 10 controls the signal output end output corresponds to the pulse-width adjustment in the period as institute
The pulsewidth of reference square wave signal is stated, or the control signal output end stops the pulse-width signal of output；
Or when the pulsewidth for the pulse-width signal that the drive module 10 receives is more than the reference square wave signal
When pulsewidth, the drive module 10 outputs control signals to the control chip 40, is exported so that the control chip 40 adjusts
To the state of the pulse-width signal of the drive module 10.
In the present embodiment, by limiting the duty ratio of pulse-width signal, to prevent due to insulated gate bipolar crystalline substance
Body pipe turn-on time is long, phenomena such as causing insulated gate bipolar transistor overcurrent, overvoltage, overheat, therefore improves insulated gate
The safety that bipolar transistor uses.
Further, it is based on above-described embodiment, in the third embodiment, above-mentioned drive module 10 is additionally operable to detect described exhausted
Voltage between the collector and emitter of edge grid bipolar transistor, and when the insulated gate bipolar transistor is opened,
Determine that the insulated gate is double according to the voltage between the collector and emitter for opening insulated gate bipolar transistor described in moment
The working condition of bipolar transistor, the output voltage that the signal output end is adjusted according to the working condition rise to second in advance
If the time of value.
It should be noted that the current collection at the voltage detecting end and the insulated gate bipolar transistor of above-mentioned drive module 10
Pole connects, and ground terminal is connect with the emitter of the insulated gate bipolar transistor；To detect insulated gate bipolar transistor
Voltage between collector and emitter.
Specifically, above-mentioned working condition includes starting, hard opening and normally；
The output voltage that the signal output end is adjusted according to working condition rises to the time packet of the second preset value
It includes：
When the working condition is to start, time that the voltage of the signal output end rises to the second preset value is the
One threshold value；
When the working condition is hard opens, time that the voltage of the signal output end rises to the second preset value is the
Two threshold values；
When the working condition is normal, time that the voltage of the signal output end rises to the second preset value is the
Three threshold values.
In the present embodiment, hard switching caused by IGBT is connected (turns on IGBT when the non-resonance of Vce of IGBT is to 0) in advance and
The a cycle that IGBT is opened (is in 220V since resonant capacitance sharply rises to DC bus-bar voltage by 0 voltage
311V) both of these case can cause the current peak of IGBT very big.
Specifically, it is based on above-described embodiment, is below explained in detail different detection modes.
In the fourth embodiment, the first end when the protection module 20 is used to be turned off according to the switching tube 30
When voltage swing controls the working condition of the switching tube 30, the protection module 20 includes voltage sampling circuit and comparator,
The voltage sampling circuit includes first resistor and second resistance, and one end of the first resistor is connect with the first end, separately
One end is connect by the second resistance with the ground terminal；The in-phase input end of the comparator is connected to the first resistor
With the common end of second resistance, inverting input is connect with preset reference voltage end, and output end is connected to the control terminal.
In the present embodiment, when switching tube 30 is off state, when the voltage at second resistance both ends is less than above-mentioned preset
When the preset reference voltage (voltage i.e. between first end and second end is less than preset voltage) of reference voltage end, switching tube 30 will
The pulse-width signal exported according to above-mentioned signal output end is held off；When the voltage at second resistance both ends is more than above-mentioned
When the preset reference voltage (voltage i.e. between first end and second end is more than preset voltage) at preset reference voltage end, comparator
High level will be exported, so that switching tube 30 is open-minded, the energy that is stored on release coil L and resonant capacitance C.
In the 5th embodiment, the first end when the protection module 20 is used to be turned off according to the switching tube 30
When voltage swing controls the working condition of the switching tube 30, the protection module 20 includes voltage sampling circuit and comparator,
The voltage sampling circuit includes first resistor and second resistance, and one end of the first resistor is connect with the first end, separately
One end is connect by the second resistance with the ground terminal；The in-phase input end of the comparator is connected to the first resistor
With the common end of second resistance, inverting input is connect with preset reference voltage end, and output end is connect with the drive module 10；
When the voltage of the first end is more than preset reference voltage, the comparator outputs control signals to the driving
Module 10, the drive module 10 export preset level signal according to the control signal output, the switching tube 30 are made to open
It is logical.
In the present embodiment, when switching tube 30 is off state, when the voltage at second resistance both ends is less than above-mentioned preset
When the preset reference voltage (voltage i.e. between first end and second end is less than preset voltage) of reference voltage end, switching tube 30 will
The pulse-width signal exported according to above-mentioned signal output end is held off；When the voltage at second resistance both ends is more than above-mentioned
When the preset reference voltage (voltage i.e. between first end and second end is more than preset voltage) at preset reference voltage end, comparator
Output high level signal is made to drive module 10 to export high level signal by 10 control signal output of drive module
It is open-minded to obtain switching tube 30, with the energy stored on release coil L and resonant capacitance C.
In the sixth embodiment, the first end when the protection module 20 is used to be turned off according to the switching tube 30
When voltage swing controls the working condition of the switching tube 30, the protection module 20 includes voltage sampling circuit and comparator,
The voltage sampling circuit includes first resistor and second resistance, and one end of the first resistor is connect with the first end, separately
One end is connect by the second resistance with the ground terminal；The in-phase input end of the comparator is connected to the first resistor
With the common end of second resistance, inverting input is connect with preset reference voltage end, and output end is connect with the control chip 40；
When the voltage of the first end is more than preset reference voltage, the comparator outputs control signals to the control
Chip 40, the duty ratio of the pulse-width signal for the control chip 40 adjustment output to the drive module 10.
In the present embodiment, the duty ratio for changing the pulse-width signal of drive module 10 by controlling chip 40, to limit
Voltage swing between having made switching tube 30 when off in section between first end and second end, it is therefore prevented that between when off in section
Voltage between one end and second end is excessive to be caused to damage switching tube 30, therefore extends the service life of switching tube 30.
In the seventh embodiment, the protection module 20 is used to detect the electricity of the second end when switching tube 30 is opened
Stream size is when controlling the working condition of the switching tube 30, and the intelligent power module integrated circuit further includes being serially connected with described the
3rd resistor R3 between two ends and the ground terminal, the voltage detecting end of the protection module 20 connect with the second end with
Detect the size of current of the second end.
In the present embodiment, above-mentioned protection module 20 can calculate acquisition according to the voltage swing that voltage detecting end is detected and flow through
The electric current of three resistance R3, the i.e. electric current of 30 second end of switching tube.Then after shut-off according to the size of current budget switching tube 30
Maximum voltage between first end and second end, when the electric current for flowing through 3rd resistor R3 makes the first end after shut-off of switching tube 30
When maximum voltage between second end is more than above-mentioned preset voltage, control switching tube 30 turns off, to ensure that switching tube 30 is closing
Maximum voltage between first end and second end of having no progeny is less than preset voltage, to prevent switching tube 30 from damaging, then flows through the
The size of the electric current of three resistance R3 is the maximum current value allowed to flow through when switching tube 30 is opened, is referred to as in following embodiment pre-
If value.It should be noted that above-mentioned 3rd resistor R3 can be the resistance built in intelligent power module integrated circuit, specifically answering
In, or peripheral hardware resistance (as shown in Figure 2).
It is understood that the level state of the signal output end output of control drive module 10 can pass through drive module
10 are controlled in itself, and the pulse-width signal that chip 40 output to drive module 10 can also be controlled by control is controlled
System, specific implementation can be configured according to actual needs, not do further limiting herein.
Based on above-mentioned 7th embodiment, in one embodiment, above-mentioned protection module 20 is connect with the drive module 10,
And when detecting that the electric current of the second end is more than preset value, the drive module 10 is output control signals to, for described
Drive module 10 controls the signal output end output preset level signal, and the switching tube 30 is made to turn off.
In another embodiment, above-mentioned protection module 20 is connect with the control chip 40, and when detecting described the
The electric current at two ends be more than preset value when, output control signals to the control chip 40, for the control chip 40 adjust it is defeated
Go out the duty ratio of the pulse-width signal to the drive module 10.
It is understood that when carrying out circuit design, any one of above two embodiment can be taken,
Above-mentioned control signal can be exported to drive module 10 and control chip 40, i.e. protection module 20 simultaneously by protection module 20
Control signal output can be connect simultaneously with drive module 10 and control chip 40.
Further, it is based on any of the above-described embodiment, the intelligent power module integrated circuit further includes for detecting
The temperature sensor 50 of 30 temperature of switching tube is stated, the temperature sensor 50 is connect with the protection module 20, the protection mould
Block 20 outputs control signals to the drive module 10 or the control chip according to the temperature that the temperature sensor 50 detects
40, so that the drive module 10 or the control chip 40 adjust the signal output end according to the control signal and export arteries and veins
The duty ratio of wide modulated signal.
In the embodiment of the present invention, by protection module 20 by the temperature of 50 detection switch pipe 30 of temperature sensor, and it will open
The temperature feedback of pipe 30 is closed to drive module 10 or control chip 40, is carried out according to temperature by drive module 10 or control chip 40
The duty ratio for adjusting pulse-width signal reduces power, the raising operations such as power and on-off switching tube 30 to realize.
The present invention also provides a kind of household electrical appliance, which includes intelligent power module integrated circuit, the intelligence work(
The structure of rate modular integrated circuit can refer to above-described embodiment, and details are not described herein.Naturally, due to the family of the present embodiment
Electrical appliance uses the technical solution of above-mentioned intelligent power module integrated circuit, therefore the household electrical appliance have above-mentioned intelligent power
All advantageous effects of modular integrated circuit.
It these are only the preferred embodiment of the present invention, be not intended to limit the scope of the invention, it is every to utilize this hair
Equivalent structure or equivalent flow shift made by bright specification and accompanying drawing content is applied directly or indirectly in other relevant skills
Art field, is included within the scope of the present invention.
Claims (9)
1. a kind of intelligent power module integrated circuit, which is characterized in that including drive module, protection module and switching tube；Wherein,
The switching tube has first end, second end and the control terminal for controlling first end and second end connected state；It is described
Control terminal is connect with the signal output end of the drive module, and second end is connect with ground terminal；
The drive module is connect with preset control chip, and the pulse-width signal that will receive the control chip output
Signal output end through the drive module after amplification is exported to the switching tube, to drive the switching tube；
The drive module is used to detect the output voltage size of the signal output end, and according to the defeated of the signal output end
Go out voltage swing and whether belong to preset interval range to adjust the state that the signal output end exports the pulse-width signal；
Voltage swing of the protection module for first end when being turned off according to the switching tube controls the switching tube
Working condition；Or the protection module is used to detect described in the size of current control of the second end when switching tube is opened
The working condition of switching tube；
The switching tube is insulated gate bipolar transistor, and the first end is the current collection of the insulated gate bipolar transistor
Pole, the second end are the emitter of the insulated gate bipolar transistor, and the control terminal is that the insulated gate bipolar is brilliant
The gate pole of body pipe；
The drive module is additionally operable to detect the voltage between the collector and emitter of the insulated gate bipolar transistor, and
When the insulated gate bipolar transistor is opened, according to the collector and hair for opening insulated gate bipolar transistor described in moment
Voltage between emitter-base bandgap grading determines the working condition of the insulated gate bipolar transistor, and the letter is adjusted according to the working condition
The output voltage of number output end rises to the time of the second preset value.
2. intelligent power module integrated circuit as described in claim 1, which is characterized in that the drive module is according to the letter
The output voltage size of number output end, which adjusts the signal output end and exports the state of the pulse-width signal, includes：
When the output voltage size of the signal output end is not belonging to preset interval range, the drive module controls the letter
Number output end stops the pulse-width signal of output；
Or when the output voltage size of the signal output end is not belonging to preset interval range, the drive module output control
Signal processed is to the control chip, so that the control chip stops exporting the pulse-width signal.
3. intelligent power module integrated circuit as described in claim 1, which is characterized in that the drive module is additionally operable to connect
The pulse-width signal received is compared with preset reference square wave signal, and adjusts the letter according to the result of the comparison
The state of the pulse-width signal of number output end output.
4. intelligent power module integrated circuit as described in claim 1, which is characterized in that the working condition include start,
It is hard to open and normally；
The time that the output voltage that the signal output end is adjusted according to working condition rises to the second preset value includes：
When the working condition is to start, the voltage of the signal output end rises to the time of the second preset value as the first threshold
Value；
When the working condition is hard opens, the voltage of the signal output end rises to the time of the second preset value as the second threshold
Value；
When the working condition is normal, the voltage of the signal output end rises to the time of the second preset value as third threshold
Value.
5. intelligent power module integrated circuit as described in claim 1, which is characterized in that when the protection module is used for basis
When the voltage swing of the first end controls the working condition of the switching tube when switching tube shutdown, the protection module packet
Include voltage sampling circuit and comparator, the voltage sampling circuit includes first resistor and second resistance, the first resistor
One end is connect with the first end, and the other end is connect by the second resistance with the ground terminal；The same phase of the comparator
Input terminal is connected to the common end of the first resistor and second resistance, and inverting input is connect with preset reference voltage end, defeated
Outlet is connected to the control terminal.
6. intelligent power module integrated circuit as described in claim 1, which is characterized in that the protection module is for detecting institute
When stating the size of current of second end when switching tube is opened and controlling the working condition of the switching tube, the intelligent power module
Integrated circuit further includes the 3rd resistor being serially connected between the second end and the ground terminal, the voltage inspection of the protection module
End is surveyed to be connect with the second end to detect the size of current of the second end.
7. intelligent power module integrated circuit as claimed in claim 6, which is characterized in that the protection module and the driving
Module connects, and when detecting that the electric current of the second end is more than preset value, outputs control signals to the drive module, with
The signal output end is controlled for the drive module and exports preset level signal, and the switching tube is made to turn off.
8. intelligent power module integrated circuit as claimed in claim 6, which is characterized in that the protection module and the control
Chip connects, and when detecting that the electric current of the second end is more than preset value, outputs control signals to the control chip, with
The duty ratio of pulse-width signal for the control chip adjustment output to the drive module.
9. a kind of household electrical appliance, which is characterized in that including intelligent power module collection such as described in any item of the claim 1 to 8
At circuit.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510057187.3A CN105991005B (en) | 2015-02-03 | 2015-02-03 | Intelligent power module integrated circuit and household electrical appliance |
| KR1020177024696A KR102057136B1 (en) | 2015-02-02 | 2015-06-30 | Electromagnetic heating control circuit and electromagnetic heating device |
| EP15880852.7A EP3255957B1 (en) | 2015-02-02 | 2015-06-30 | Electromagnetic heating control circuit and electromagnetic heating device |
| JP2017540765A JP6473514B2 (en) | 2015-02-02 | 2015-06-30 | Electromagnetic induction heating control circuit and electromagnetic induction heating equipment |
| PCT/CN2015/082969 WO2016123897A1 (en) | 2015-02-02 | 2015-06-30 | Electromagnetic heating control circuit and electromagnetic heating device |
| US15/665,044 US10638551B2 (en) | 2015-02-02 | 2017-07-31 | Electromagnetic heating control circuit and electromagnetic heating device |
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| CN201510057187.3A CN105991005B (en) | 2015-02-03 | 2015-02-03 | Intelligent power module integrated circuit and household electrical appliance |
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| CN105991005B true CN105991005B (en) | 2018-09-04 |
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10411692B2 (en) | 2016-11-23 | 2019-09-10 | Alpha And Omega Semiconductor Incorporated | Active clamp overvoltage protection for switching power device |
| US10477626B2 (en) | 2016-11-23 | 2019-11-12 | Alpha And Omega Semiconductor (Cayman) Ltd. | Hard switching disable for switching power device |
| CN108631617B (en) * | 2017-03-20 | 2020-06-16 | 万国半导体(开曼)股份有限公司 | Hard switch disabling for switching power supply devices |
| US10476494B2 (en) * | 2017-03-20 | 2019-11-12 | Alpha And Omega Semiconductor (Cayman) Ltd. | Intelligent power modules for resonant converters |
| CN110859014B (en) * | 2018-08-22 | 2021-12-17 | 佛山市顺德区美的电热电器制造有限公司 | Electromagnetic heating equipment, electromagnetic heating device and control method thereof |
| CN109787596B (en) * | 2018-12-25 | 2023-08-04 | 深圳市优必选科技有限公司 | Overcurrent protection circuit, switching tube driving circuit and electric equipment |
| CN113037059B (en) * | 2019-12-24 | 2022-11-08 | 广东美的白色家电技术创新中心有限公司 | Intelligent power module and drive control method |
| CN112511143B (en) * | 2020-12-15 | 2023-11-21 | 四川虹美智能科技有限公司 | IGBT protection circuit and protection method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174788A (en) * | 2007-10-22 | 2008-05-07 | 株洲南车时代电气股份有限公司 | Cut-out overvoltage protection circuit of electric voltage driving type power semiconductor device |
| CN201146457Y (en) * | 2008-01-22 | 2008-11-05 | 北京机械工业自动化研究所 | Special thick film circuit for drive and control of IPM power switch device |
| CN203136220U (en) * | 2013-02-21 | 2013-08-14 | 美的集团股份有限公司 | Electromagnetic heating device |
| JP2014143852A (en) * | 2013-01-24 | 2014-08-07 | Denso Corp | Overcurrent protection circuit |
-
2015
- 2015-02-03 CN CN201510057187.3A patent/CN105991005B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101174788A (en) * | 2007-10-22 | 2008-05-07 | 株洲南车时代电气股份有限公司 | Cut-out overvoltage protection circuit of electric voltage driving type power semiconductor device |
| CN201146457Y (en) * | 2008-01-22 | 2008-11-05 | 北京机械工业自动化研究所 | Special thick film circuit for drive and control of IPM power switch device |
| JP2014143852A (en) * | 2013-01-24 | 2014-08-07 | Denso Corp | Overcurrent protection circuit |
| CN203136220U (en) * | 2013-02-21 | 2013-08-14 | 美的集团股份有限公司 | Electromagnetic heating device |
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