CN111478615A - Half-bridge inverter circuit and electronic equipment - Google Patents

Half-bridge inverter circuit and electronic equipment Download PDF

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Publication number
CN111478615A
CN111478615A CN202010332559.XA CN202010332559A CN111478615A CN 111478615 A CN111478615 A CN 111478615A CN 202010332559 A CN202010332559 A CN 202010332559A CN 111478615 A CN111478615 A CN 111478615A
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CN
China
Prior art keywords
capacitor
tube
diode
inductor
channel mos
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Pending
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CN202010332559.XA
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Chinese (zh)
Inventor
古元
钟建业
熊汉琴
刘富德
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Guangzhou Daodong New Energy Co ltd
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Guangzhou Daodong New Energy Co ltd
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Priority to CN202010332559.XA priority Critical patent/CN111478615A/en
Publication of CN111478615A publication Critical patent/CN111478615A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/42—Conversion of dc power input into ac power output without possibility of reversal
    • H02M7/44—Conversion of dc power input into ac power output without possibility of reversal by static converters
    • H02M7/48—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/53—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M7/537—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters
    • H02M7/5387—Conversion of dc power input into ac power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/42—Circuits or arrangements for compensating for or adjusting power factor in converters or inverters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/322—Means for rapidly discharging a capacitor of the converter for protecting electrical components or for preventing electrical shock
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Inverter Devices (AREA)

Abstract

The invention discloses a half-bridge inverter circuit, comprising: the circuit comprises a first capacitor, a second capacitor, a third capacitor, a first inductor, a second inductor, a first switch tube, a second switch tube, a first diode, a second diode and a load; the first capacitor is connected with the first switch tube, the first switch tube is also connected with the external controller and the second inductor, and the second inductor is connected with the third capacitor; the second capacitor is connected with a second switching tube, and the second switching tube is also connected with the first inductor and an external controller; the anode of the first diode is connected with the second capacitor, and the cathode of the first diode is connected with the second inductor; the anode of the second diode is connected with the first inductor, and the cathode of the second diode is connected with the first capacitor; the load is connected with the third capacitor. The invention also discloses an electronic device. By adopting the embodiment of the invention, the load can work with a half-wave type load, the abnormal work can not occur, the voltage stability is improved, and the distortion and the influence of transient sudden change on the output are reduced.

Description

Half-bridge inverter circuit and electronic equipment
Technical Field
The invention relates to the technical field of electronics, in particular to a half-bridge inverter circuit and electronic equipment.
Background
The inverter is a static converter which applies a power semiconductor device and converts direct current electric energy of a storage battery, a solar battery or a fuel cell and the like into constant voltage and constant frequency alternating current electric energy for alternating current load use or grid-connected power generation with alternating current, and the inverter technology plays an important role in new energy development and application. With the rapid development of power electronic technology, research on the conventional circuit structure is deepened gradually, new circuit structures are proposed continuously, and more problems are faced.
The uninterrupted UPS power of high frequency to half-bridge contravariant framework, when adopting relevant product area to carry half-wave load (like partial half-wave printer, half-wave medical equipment etc.), can be because the principle of half-bridge contravariant operating characteristic itself, long-term work is under the half-wave load condition, finally lead to the continuous passive charging of unloaded half cycle BUS BUS voltage and lead to the incessant rising of voltage, finally produce the BUS high pressure, arouse the phenomenon of UPS trouble, lead to UPS unusually can not reach the incessant purpose of power.
Disclosure of Invention
The embodiment of the invention aims to provide a half-bridge inverter circuit and electronic equipment, which can work with a half-wave type load, can not generate abnormal work, and simultaneously improve the voltage stability and reduce the distortion and influence of transient sudden change on output.
To achieve the above object, an embodiment of the present invention provides a half-bridge inverter circuit, including:
the first end of the first capacitor is connected with the second end of the first switch tube, the second end of the first capacitor is grounded, the second end of the first switch tube is connected with an external controller, the third end of the first switch tube is connected with the first end of the second inductor, the second end of the second inductor is connected with the first end of the third capacitor, and the second end of the third capacitor is grounded;
the first end of the second capacitor is grounded, the second end of the second capacitor is connected with the third end of the second switch tube, the first end of the second switch tube is connected with the second end of the first inductor, the second end of the second switch tube is connected with an external controller, and the first end of the first inductor is grounded;
the anode of the first diode is connected with the second end of the second capacitor, and the cathode of the first diode is connected with the first end of the second inductor; the anode of the second diode is connected with the second end of the first inductor, and the cathode of the second diode is connected with the first end of the first capacitor;
and the first end of the load is connected with the first end of the third capacitor, and the second end of the load is grounded.
As an improvement of the above scheme, the half-bridge inverter circuit further comprises a third switching tube; wherein the content of the first and second substances,
the first end of the third switching tube is connected with the first end of the first capacitor, the second end of the third switching tube is connected with an external controller, and the third end of the third switching tube is connected with the second end of the first inductor.
As an improvement of the above scheme, the half-bridge inverter circuit further comprises a fourth switching tube; wherein the content of the first and second substances,
the first end of the fourth switch tube is connected with the third end of the first switch tube, the second end of the fourth switch tube is connected with an external controller, and the third end of the fourth switch tube is connected with the anode of the first diode.
As a modification of the above, the half-bridge inverter circuit further includes a third diode; wherein the content of the first and second substances,
and the anode of the third diode is connected with the second end of the second capacitor, and the cathode of the third diode is connected with the second end of the first inductor.
As a modification of the above, the half-bridge inverter circuit further includes a fourth diode; wherein the content of the first and second substances,
the positive electrode of the fourth diode is connected with the first end of the second inductor, and the negative electrode of the fourth diode is connected with the first end of the first capacitor.
As an improvement of the above scheme, the first switching tube is an N-channel MOS tube, the first end of the first switching tube is a drain electrode of the N-channel MOS tube, the second end of the first switching tube is a gate electrode of the N-channel MOS tube, and the third end of the first switching tube is a source electrode of the N-channel MOS tube.
As an improvement of the above scheme, the second switching tube is an N-channel MOS tube, the first end of the second switching tube is a drain electrode of the N-channel MOS tube, the second end of the second switching tube is a gate electrode of the N-channel MOS tube, and the third end of the second switching tube is a source electrode of the N-channel MOS tube.
As an improvement of the above scheme, the third switching tube is an N-channel MOS tube, the first end of the third switching tube is a drain electrode of the N-channel MOS tube, the second end of the third switching tube is the drain electrode of the N-channel MOS tube, and the third end of the third switching tube is a source electrode of the N-channel MOS tube.
As an improvement of the above scheme, the fourth switching tube is an N-channel MOS tube, the first end of the fourth switching tube is a drain electrode of the N-channel MOS tube, the second end of the fourth switching tube is a gate electrode of the N-channel MOS tube, and the third end of the fourth switching tube is a source electrode of the N-channel MOS tube.
In order to achieve the above object, an embodiment of the present invention further provides an electronic device, including the half-bridge inverter circuit according to any one of the above embodiments.
Compared with the prior art, the half-bridge inverter circuit and the electronic equipment disclosed by the invention judge the corresponding half cycle needing discharging by sampling the positive and negative half cycle capacitance voltage and performing comparison operation, and then control the switching tube to work through the external controller to discharge the lower half cycle. The half-bridge inverter type power supply can work with a half-wave type load without working abnormity. When some load transients and sudden load changes produce transient high power, the half cycle of the current transient typically causes the bus voltage to pull down quickly. After the embodiment of the invention is adopted, after the bus voltage is reduced by a certain amplitude, the bus which is not loaded in the other half cycle can be used for charging, the voltage stability is improved, and the distortion and the influence of transient sudden change on the output are reduced.
Drawings
Fig. 1 is a circuit diagram of a half-bridge inverter circuit according to an embodiment of the present invention;
fig. 2 is an output waveform of a half-bridge inverter circuit according to an embodiment of the present invention when the half-bridge inverter circuit operates in a positive half cycle;
fig. 3 is an output waveform of a half-bridge inverter circuit according to an embodiment of the present invention when the half-bridge inverter circuit operates at a negative half cycle;
fig. 4 is a circuit diagram of a PFC circuit according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a circuit diagram of a half-bridge inverter circuit according to an embodiment of the present invention, the half-bridge inverter circuit includes a first capacitor C1, a second capacitor C2, a third capacitor C3, a first inductor L1, a second inductor L2, a first switch Q1, a second switch Q2, a first diode D1, a second diode D2, and a load L OAD,
a first end of the first capacitor C1 is connected to a second end of the first switch Q1, a second end of the first capacitor C1 is grounded, a second end of the first switch Q1 is connected to an external controller, a third end of the first switch Q1 is connected to a first end of the second inductor L2, a second end of the second inductor L2 is connected to a first end of the third capacitor C3, and a second end of the third capacitor C3 is grounded;
a first end of the second capacitor C2 is grounded, a second end of the second capacitor C2 is connected to a third end of the second switch tube Q2, a first end of the second switch tube Q2 is connected to a second end of the first inductor L1, a second end of the second switch tube Q2 is connected to an external controller, and a first end of the first inductor L1 is grounded;
the anode of the second diode D2 is connected with the second end of the first inductor L1, and the cathode of the second diode D2 is connected with the first end of the first capacitor C1;
a first terminal of the load L OAD is connected to a first terminal of the third capacitor C3, and a second terminal of the load L OAD is connected to ground.
Specifically, the half-bridge inverter circuit in the embodiment of the invention is suitable for a UPS power supply, and the UPS power supply is further provided with an external controller, wherein the external controller is used for controlling the working state of the switching tube. Illustratively, the external controller is a PWM controller. The half-bridge inverter circuit has two working states: positive and negative half cycles. Illustratively, the positive half cycle, i.e. the upper half part of the circuit, is the main working object, and correspondingly outputs the positive half wave of the sine wave, as shown in fig. 2; the positive half cycle, i.e. the lower half part of the circuit, is the main working object, corresponding to the negative half wave of the output sine wave, as shown in fig. 3.
Specifically, when the half-bridge inverter circuit operates in a positive half cycle, the external controller controls the first switch tube Q1 to be turned on, and at this time, the first capacitor C1 forms a loop through the first switch tube Q1, the second inductor L, and the third capacitor C3 to supply power to the load L OAD, and the first capacitor C1 is in a discharging state.
At this time, the half-bridge inverter with the bus voltage regulation function samples and judges the voltages of the first capacitor C1 and the second capacitor C2, when the voltage of the second capacitor C2 gradually increases, the second switching tube Q2 is controlled to be turned on, a loop is formed by the first inductor L1, the second switching tube Q2 and the second capacitor C2, the first inductor L1 is stored with energy, the second switching tube Q2 is turned off after the second switching tube Q2 is turned on to store energy, the electric energy stored in the first inductor L1 forms a loop through the second diode D2 and the first capacitor C1, the first capacitor C1 is discharged, and the electric energy in the second capacitor C2 is converted and transmitted to the first capacitor C1, so that the purpose of controlling the bus voltage of the second capacitor C2 is achieved.
Optionally, the half-bridge inverter circuit further includes a third switching tube Q3, a fourth switching tube Q4, a third diode D3 and a fourth diode D4; wherein the content of the first and second substances,
the first end of the fourth switching tube Q4 is connected with the third end of the first switching tube Q1, the second end of the fourth switching tube Q4 is connected with the external controller, and the third end of the fourth switching tube Q4 is connected with the positive electrode of the first diode D1;
the anode of the third diode D3 is connected to the second end of the second capacitor C2, the cathode of the third diode D3 is connected to the second end of the first inductor L1, the anode of the fourth diode D4 is connected to the first end of the second inductor L2, and the cathode of the fourth diode D4 is connected to the first end of the first capacitor C1.
Further, when the half-bridge inverter circuit works in a negative half cycle, the external controller controls the fourth switching tube Q4 to be turned on, and at this time, the second capacitor C2 forms a loop through the fourth switching tube Q4, the second inductor L, and the third capacitor C3 to supply power to the load L OAD, and the second capacitor C2 is in a discharging state.
At this time, after the voltage of the first capacitor C1 and the voltage of the second capacitor C2 are sampled and judged, and the voltage of the first capacitor C1 gradually increases, the third switching tube Q3 is controlled to be turned on, a loop is formed through the first inductor L1, the third switching tube Q3 and the first capacitor C1, the first inductor L1 is subjected to energy storage, the third switching tube Q3 is turned off after the third switching tube Q3 is turned on to store energy, the electric energy stored in the first inductor L1 forms a loop through the third diode D3 and the second capacitor C2, the second capacitor C2 is discharged, and the electric energy in the first capacitor C1 is converted and transmitted to the second capacitor C2, so that the purpose of controlling the bus voltage of the first capacitor C1 is achieved.
It is worth pointing out that the first switch tube Q1 and the fourth switch tube Q4 are in a corresponding group, and the second switch tube Q2 and the third switch tube Q3 are in a corresponding group; the control between the two groups of switching tubes is irrelevant. The first switch Q1 and the fourth switch Q4 cannot be conducted simultaneously, and the second switch Q2 and the third switch Q3 cannot be conducted simultaneously. When the first switch Q1 is turned off, the fourth switch Q4 may be turned on or off, and the first switch Q1 and the fourth switch Q4 determine the operation mode according to the voltages of the first capacitor C1 and the second capacitor C2. When the second switching tube Q2 is turned on, the third switching tube Q3 must be turned off, and the first switching tube Q1 and the fourth switching tube Q4 are not affected, depending on the control of the output waveform requirement.
For example, the first switching transistor Q1, the second switching transistor Q2, the third switching transistor Q3 and the fourth switching transistor Q4 may all be N-channel MOS transistors. Or, the first switching tube Q1 and the fourth switching tube Q4 adopt a push-pull form, and at this time, when the first switching tube Q1 is an N-channel MOS tube, the fourth switching tube Q4 is a P-channel MOS tube. The second switch tube Q2 and the third switch tube Q3 may also adopt a push-pull type.
Optionally, the first switch tube Q1 is an N-channel MOS tube, the first end of the first switch tube Q1 is a drain of the N-channel MOS tube, the second end of the first switch tube Q1 is a gate of the N-channel MOS tube, and the third end of the first switch tube Q1 is a source of the N-channel MOS tube.
Optionally, the second switch tube Q2 is an N-channel MOS tube, the first end of the second switch tube Q2 is a drain of the N-channel MOS tube, the second end of the second switch tube Q2 is a gate of the N-channel MOS tube, and the third end of the second switch tube Q2 is a source of the N-channel MOS tube.
Optionally, the third switching tube Q3 is an N-channel MOS tube, the first end of the third switching tube Q3 is a drain of the N-channel MOS tube, the second end of the third switching tube Q3 is a drain of the N-channel MOS tube, and the third end of the third switching tube Q3 is a source of the N-channel MOS tube.
Optionally, the fourth switching tube Q4 is an N-channel MOS transistor, the first end of the fourth switching tube Q4 is the drain of the N-channel MOS transistor, the second end of the fourth switching tube Q4 is the gate of the N-channel MOS transistor, and the third end of the fourth switching tube Q4 is the source of the N-channel MOS transistor.
For example, referring to fig. 4, the PFC circuit includes a power input terminal Vin, a third inductor L, a fourth capacitor C4, a fifth capacitor C5, a fifth switching tube Q5, a sixth diode D6, a seventh diode D7, an eighth diode D8, a ninth diode D9, and a twelfth diode D10, and specific connection relationships among the respective devices in the PFC circuit may refer to fig. 4, which is not repeated herein.
Further, an embodiment of the present invention further provides an electronic device, where the half-bridge inverter circuit described in the above embodiment is disposed in the electronic device, and for a specific working process of the half-bridge inverter circuit, reference is made to the working process of the half-bridge inverter circuit described in the above embodiment, which is not described herein again.
Compared with the prior art, the half-bridge inverter circuit and the electronic equipment disclosed by the invention judge the corresponding half cycle needing discharging by sampling the positive and negative half cycle capacitance voltage and performing comparison operation, and then control the switching tube to work through the external controller to discharge the lower half cycle. The half-bridge inverter type power supply can work with a half-wave type load without working abnormity. When some load transients and sudden load changes produce transient high power, the half cycle of the current transient typically causes the bus voltage to pull down quickly. After the embodiment of the invention is adopted, after the bus voltage is reduced by a certain amplitude, the bus which is not loaded in the other half cycle can be used for charging, the voltage stability is improved, and the distortion and the influence of transient sudden change on the output are reduced.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (10)

1. A half-bridge inverter circuit, comprising: the circuit comprises a first capacitor, a second capacitor, a third capacitor, a first inductor, a second inductor, a first switch tube, a second switch tube, a first diode, a second diode and a load; wherein the content of the first and second substances,
the first end of the first capacitor is connected with the second end of the first switch tube, the second end of the first capacitor is grounded, the second end of the first switch tube is connected with an external controller, the third end of the first switch tube is connected with the first end of the second inductor, the second end of the second inductor is connected with the first end of the third capacitor, and the second end of the third capacitor is grounded;
the first end of the second capacitor is grounded, the second end of the second capacitor is connected with the third end of the second switch tube, the first end of the second switch tube is connected with the second end of the first inductor, the second end of the second switch tube is connected with an external controller, and the first end of the first inductor is grounded;
the anode of the first diode is connected with the second end of the second capacitor, and the cathode of the first diode is connected with the first end of the second inductor; the anode of the second diode is connected with the second end of the first inductor, and the cathode of the second diode is connected with the first end of the first capacitor;
and the first end of the load is connected with the first end of the third capacitor, and the second end of the load is grounded.
2. The half-bridge inverter circuit of claim 1, further comprising a third switching tube; wherein the content of the first and second substances,
the first end of the third switching tube is connected with the first end of the first capacitor, the second end of the third switching tube is connected with an external controller, and the third end of the third switching tube is connected with the second end of the first inductor.
3. The half-bridge inverter circuit of claim 1, further comprising a fourth switching tube; wherein the content of the first and second substances,
the first end of the fourth switch tube is connected with the third end of the first switch tube, the second end of the fourth switch tube is connected with an external controller, and the third end of the fourth switch tube is connected with the anode of the first diode.
4. The half-bridge inverter circuit of claim 1, wherein the half-bridge inverter circuit further comprises a third diode; wherein the content of the first and second substances,
and the anode of the third diode is connected with the second end of the second capacitor, and the cathode of the third diode is connected with the second end of the first inductor.
5. The half-bridge inverter circuit of claim 1, wherein the half-bridge inverter circuit further comprises a fourth diode; wherein the content of the first and second substances,
the positive electrode of the fourth diode is connected with the first end of the second inductor, and the negative electrode of the fourth diode is connected with the first end of the first capacitor.
6. The half-bridge inverter circuit of claim 1, wherein the first switch transistor is an N-channel MOS transistor, the first terminal of the first switch transistor is a drain of the N-channel MOS transistor, the second terminal of the first switch transistor is a gate of the N-channel MOS transistor, and the third terminal of the first switch transistor is a source of the N-channel MOS transistor.
7. The half-bridge inverter circuit of claim 1, wherein the second switch transistor is an N-channel MOS transistor, the first terminal of the second switch transistor is a drain of the N-channel MOS transistor, the second terminal of the second switch transistor is a gate of the N-channel MOS transistor, and the third terminal of the second switch transistor is a source of the N-channel MOS transistor.
8. The half-bridge inverter circuit of claim 2, wherein the third switch tube is an N-channel MOS tube, the first end of the third switch tube is a drain of the N-channel MOS tube, the second end of the third switch tube is a drain of the N-channel MOS tube, and the third end of the third switch tube is a source of the N-channel MOS tube.
9. The half-bridge inverter circuit of claim 3, wherein the fourth switching tube is an N-channel MOS tube, the first end of the fourth switching tube is a drain electrode of the N-channel MOS tube, the second end of the fourth switching tube is a gate electrode of the N-channel MOS tube, and the third end of the fourth switching tube is a source electrode of the N-channel MOS tube.
10. An electronic device comprising the half-bridge inverter circuit according to any one of claims 1 to 9.
CN202010332559.XA 2020-04-24 2020-04-24 Half-bridge inverter circuit and electronic equipment Pending CN111478615A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010332559.XA CN111478615A (en) 2020-04-24 2020-04-24 Half-bridge inverter circuit and electronic equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010332559.XA CN111478615A (en) 2020-04-24 2020-04-24 Half-bridge inverter circuit and electronic equipment

Publications (1)

Publication Number Publication Date
CN111478615A true CN111478615A (en) 2020-07-31

Family

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Application Number Title Priority Date Filing Date
CN202010332559.XA Pending CN111478615A (en) 2020-04-24 2020-04-24 Half-bridge inverter circuit and electronic equipment

Country Status (1)

Country Link
CN (1) CN111478615A (en)

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