WO2016124334A1 - Circuit electronique de commande d'un demi-pont en h - Google Patents
Circuit electronique de commande d'un demi-pont en h Download PDFInfo
- Publication number
- WO2016124334A1 WO2016124334A1 PCT/EP2016/000181 EP2016000181W WO2016124334A1 WO 2016124334 A1 WO2016124334 A1 WO 2016124334A1 EP 2016000181 W EP2016000181 W EP 2016000181W WO 2016124334 A1 WO2016124334 A1 WO 2016124334A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- branch
- resistor
- mosfet
- diode
- gate
- Prior art date
Links
- 239000003990 capacitor Substances 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/16—Modifications for eliminating interference voltages or currents
- H03K17/161—Modifications for eliminating interference voltages or currents in field-effect transistor switches
- H03K17/162—Modifications for eliminating interference voltages or currents in field-effect transistor switches without feedback from the output circuit to the control circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/15—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
- H03K5/151—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with two complementary outputs
- H03K5/1515—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with two complementary outputs non-overlapping
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D2041/2068—Output circuits, e.g. for controlling currents in command coils characterised by the circuit design or special circuit elements
- F02D2041/2072—Bridge circuits, i.e. the load being placed in the diagonal of a bridge to be controlled in both directions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/20—Output circuits, e.g. for controlling currents in command coils
- F02D41/2096—Output circuits, e.g. for controlling currents in command coils for controlling piezoelectric injectors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/0045—Full bridges, determining the direction of the current through the load
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/0063—High side switches, i.e. the higher potential [DC] or life wire [AC] being directly connected to the switch and not via the load
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
- H03K2217/0072—Low side switches, i.e. the lower potential [DC] or neutral wire [AC] being directly connected to the switch and not via the load
Definitions
- the present invention relates to an electronic control circuit of an H-half bridge.
- the present invention finds a particularly advantageous, although in no way limiting, application in the H-half-bridge control circuits embedded in motor vehicles and driving supplying a load, such as an actuator.
- Such a circuit is generally intended to drive the power supply of a load, arranged in the center of said H-bridge, the latter being configured so that a determined current circulates from one terminal to another of said load in order to polarize it.
- a load arranged in the center of said H-bridge, the latter being configured so that a determined current circulates from one terminal to another of said load in order to polarize it.
- injectors or self-synchronous motors are embarked for the purpose of driving, for example, injectors or self-synchronous motors.
- the assembly formed of the control circuit and the H-bridge has a symmetrical structure, comprising two identical parts arranged on either side of the terminals of said load. Also, the description of the characteristics of one of said two parts, further comprising one half of the so-called "H-half bridge" H bridge, is sufficient for the knowledge of the characteristics of said assembly.
- the H-half bridge comprises two transistors connected to a terminal of said load, controlled by a control module, and adapted to switch between a blocked state and a on state.
- the document JP H01 228319 proposes to partly simplify the structure of an integrated power control circuit of an H bridge and secondly to reduce the losses of said integrated circuit of power insertion of a circuit parallel electronics consisting of resistors and diodes.
- the resistors and the diodes are coupled to the gate of each of the P-channel MOSFET transistors and the N-channel MOSFET transistors of the parallel electronic circuit.
- the P-channel MOSFET transistor is turned off and the N-channel MOSFET transistor is turned on causing the switching of a N-channel MOSFET transistor of the power circuit from a state to a blocked state and the switching of a P-channel MOSFET transistor from a blocked state to a passing state.
- the switching of the transistors of the power circuit generates the passage to a high level of an output signal of the power circuit. Thanks to the presence of resistors and diodes, the transistors of the power circuit do not switch simultaneously.
- circuits with electronics less provided such as those comprising two MOSFET transistors of different respective types, and coupled to a supply by means of a single command. If such a configuration allows a PCB surface gain and a simplification of the routing scheme, they are not however suitable, on the one hand, to completely avoid the transconduction phenomena between MOSFET transistors, and on the other hand, to to put in high impedance the load in case of defect of the order.
- the present invention aims to remedy all or part of the disadvantages of the prior art, including those described above, by proposing a solution that allows to have H-half bridge electronic control circuits with a load and MOSFET transistors, and having a simple routing scheme adapted to avoid the phenomena of transconduction during the switching of said MOSFET transistors, and to put said load in high impedance in case of control fault.
- the invention relates to an electronic control circuit of an H-half bridge, said H-half bridge comprising first and second MOSFET transistors of different respective types, from sources respectively connected to a line of power supply and an electrical ground, and respective drains connected to a midpoint, said midpoint being intended to be connected to a terminal of a load, said control circuit being adapted to switch said MOSFET respectively a passing state in a blocked state.
- said electronic circuit comprises first and second bipolar transistors of different respective types, transmitters respectively connected to a first node and a second node, collectors respectively connected to the supply line and to the electrical ground, and respective bases connected to a third node, said third node being connected to a control module of said MOSFET transistors, configurable in two states, a so-called "high” state and a so-called “low” state, as well as a first and a second branches connected in parallel with each other between the grids of said MOSFET transistors, the first branch comprising a first diode and a first resistor, the second branch comprising a second diode and a second resistor: The first node being connected to both the first resistor and the anode of the first diode of the first branch, said first resistor of the first branch being furthermore connected to the gate of the second MOSFET transistor, and the cathode of said first diode of the first branch being connected to the gate of the first MOSFET transistor,
- the second node being connected to both the second resistor and the cathode of the second diode of the second branch, said second resistor of the second branch being furthermore connected to the gate of the first MOSFET transistor, and the anode of said second diode of the second branch being connected to the gate of the second MOSFET transistor.
- the electronic control circuit of an H-half bridge may further comprise one or more of the following characteristics, taken separately or in any technically possible combination.
- the second branch comprises a first auxiliary control module comprising a switch and a control of said switch, said switch being adapted to open and close the second branch between the second resistor and the second diode of said second branch, and the gate of the first transistor being connected to the feed line via a third resistor.
- the switch of the second branch is a drain MOSFET transistor connected to the second resistance of the second gate branch, connected to an output of said control of the first auxiliary control module of the second branch. , and source connected to the cathode of the second diode of the second branch.
- the first branch comprises a second auxiliary control module, comprising a switch and a control of said switch, said switch being adapted to open and close the first branch between the first resistance and the first diode of said first branch. and the gate of the second transistor being connected to the electrical ground via a fourth resistor.
- the switch of the first branch is a drain MOSFET transistor connected to the first resistance of the first gate branch, connected to an output of said control of the second auxiliary control module of the first branch. , and source connected to the cathode of the first diode of the first branch.
- the collector of the first bipolar transistor is connected to the supply line via a fifth resistor, and the collector of the second bipolar transistor is connected to the electrical mass via a sixth resistance.
- control module comprises a control adapted to generate voltage signals, as well as a drain MOSFET transistor connected to the supply line, gate connected to an output of the control, and source connected to both said third node and the electrical ground.
- a seventh resistor is arranged between the source of the MOSFET transistor of the control module and the electrical ground.
- FIG. 1 a schematic representation of an exemplary embodiment of an electronic control circuit of a half-bridge in H.
- FIG. 2 a schematic representation of a first preferred embodiment of the circuit of FIG. 1.
- FIG. 1 a schematic representation of a second preferred embodiment of the circuit of Figure 1.
- FIG. 1 shows schematically an exemplary embodiment of an electronic control circuit of a half-bridge in H.
- Said electronic circuit is implemented to control an H half-bridge (the other half of the H bridge not being shown) connected to a load 1.
- Said load 1 is adapted to be coupled to a power supply line 2 of predefined potential and delivering a predefined current.
- the electronic control circuit is supported by a PCB embedded in a motor vehicle (not shown).
- Said half-H bridge controls a load 1, such as an injector actuator, and said feed line 2 is connected to the battery of said vehicle.
- Said H half-bridge comprises a power supply branch 3 connected, on the one hand, to the supply line 2, and on the other hand, to an electrical ground 4, said electric ground 4 corresponding to a reference potential .
- said electric mass 4 is for example the metal casing of the motor vehicle, and corresponds to a zero potential.
- Said supply branch 3 comprises a midpoint 5 connected to a terminal 6 of the load 1.
- said supply branch 3 is divided into two arranged parts on either side of said midpoint 5, a first portion and a second portion respectively comprising a first MOSFET transistor 7 and a second MOSFET transistor 8, said MOSFET transistors being of different respective types.
- the first MOSFET transistor 7 is of the P-channel type, of the source connected to the supply line 2, and of the drain connected to the midpoint 5.
- the second MOSFET transistor 8 is, as for him, of type N channel, of source connected to the electric mass 4, and of drain connected to the midpoint 5.
- the control circuit also comprises a first bipolar transistor 9 and a second bipolar transistor 10, said bipolar transistors being of different respective types.
- the first bipolar transistor 9 is an emitter connected to a first node 11, a collector connected to the feed line 2, base connected to a third node 13, and adapted to convey the current from the feed line 2 to the grids of the MOSFET transistors of the half-bridge in H.
- the second bipolar transistor 10 is, for its part, an emitter connected to a second node 12, of collector connected to the electrical ground 4, base connected to said third node 13, and adapted to convey the gate currents of the MOSFET transistors to the electrical ground 4.
- the first bipolar transistor 9 is of the NPN type
- the second bipolar transistor 10 is of the PNP type.
- the collector of the first bipolar transistor 9 is connected to a first resistor 14 called “power supply”, the latter also being connected to the power supply line. 2 and adapted to limit the current supplied to said collector of the first bipolar transistor 9.
- the collector of the second bipolar transistor 10 is connected to a first resistor 15 called “return”, the latter being further connected to the electrical ground 4 and adapted to limit any electrical flow returning to said electric mass 4.
- control circuit comprises a control module 16 of the MOSFET transistors of the half-bridge in H.
- Said control module 16 comprises on the one hand a control 161 adapted to generate voltage signals, and configurable in two states, a so-called "high” state and a "low” state respectively corresponding to a high voltage signal and a low voltage signal.
- said command 161 is a microcontroller adapted to provide voltages of 0 volts and 5 volts when configured respectively in the low state and the high state.
- control module 16 comprises a transistor
- MOSFET 162 a drain connected to the supply line 2, and a gate connected to an output of the control 161, so that said gate is biased by the high voltage or the voltage according to the state of said control 161.
- the source of the MOSFET transistor 162 of the control module 16 is connected to both said third node 13 and the electrical ground 4.
- the MOSFET transistor 162 of the control module 16 is of the N-channel type.
- a second return resistor 17 is arranged between the source of the MOSFET transistor 162 of the control module 16 and the electrical ground 4.
- the control circuit comprises a first 18 and a second 19 branches, connected in parallel between the gates of the MOSFET transistors of the H-half bridge, and each having a diode 181, 191 and a resistor 182, 192 connected in series.
- the first node 11 is connected to both the resistor 182 and the anode of the diode 181 of the first branch 18.
- Said resistor 182 of the first branch 18 is further connected to the gate of the second MOSFET transistor 8.
- the cathode of said diode 181 of the first branch 18 is in turn connected to the gate of the first MOSFET transistor 7.
- the second node 12 is, in turn, connected to both the resistor 192 and the cathode of the diode 191 of the second branch 19.
- Said resistor 192 of the second branch 19 is further connected to the gate of the first MOSFET transistor 7.
- the anode of said diode 191 of the second branch 19 is, as for it, connected to the gate of the second MOSFET transistor 8.
- the command 161 is configured in the high state so that the gate of the MOSFET transistor 162 of the control module 16 is biased by the high voltage. Said MOSFET transistor 162 of the control module 16 then switches to the on state, because it is of the N-channel type and the potential difference between its gate and its source is strictly positive. Therefore, the third node 13, then the respective bases of the first 9 and second 10 bipolar transistors, are coupled to the supply line 2, so that only the first bipolar transistor 9, because it is NPN type and that the potential difference between its base and its emitter is strictly positive, switches to the on state.
- the first node 1 1, then the respective gates of the first 7 and second 8 MOSFET transistors, are coupled to the power supply line 2, so that only said second MOSFET transistor 8 switches to the on state, because It is of the N-channel type.
- the mid-point 5, connected to the terminal 6 of the load 1 is coupled to the electrical ground 4.
- the command 161 is configured in the low state so that the gate of the MOSFET transistor 162 of the control module 16 is biased by the low voltage.
- Said MOSFET transistor 162 of the control module 16 then switches to the off state, because it is of the N-channel type and the potential difference between its gate and its source is zero. Therefore, the third node 13, then the second node 12, are coupled to the electric ground 4.
- first 7 and second 8 MOSFET transistors are then coupled to the electrical ground 4.
- first MOSFET transistor 7 switches in the on state, because it is P-channel type and the potential difference between its gate and its source is strictly negative.
- the second MOSFET transistor 8 switches, in turn, to the off state, because it is N-channel type and the potential difference between its gate and its source is zero. In this way, the midpoint 5, connected to the terminal 6 of the load 1, is coupled to the supply line 2.
- the configuration of the control circuit is advantageously adapted so that the first 7 and second 8 MOSFET transistors are not in the on state simultaneously.
- diodes 181, 191 and resistors 182, 192, first 18 and second 19 branches is advantageous because it limits the transconduction effects between the first 7 and second 8 MOSFET transistors when they switch.
- a MOSFET transistor is, between its gate and its source, comparable to a capacitor. Therefore, assuming that the potential of the source of a MOSFET transistor is constant, said capacitor is charged and discharged as a function of the potential at which the gate of said MOSFET transistor is connected, said charge / discharge corresponding to an increase / decrease in absolute value of the potential difference between the gate and the source.
- the gate and the source of the first MOSFET transistor 7 are both connected to the power supply line 2. Furthermore, the gate and the source of the second MOSFET transistor 8 are respectively connected to the line D.
- the second MOSFET transistor 8 is charged through the resistor 182 of the first branch 18 while the first MOSFET transistor 7 discharges through the diode 181 of the first branch 18, which is of negligible equivalent strength. Therefore, the time constant associated with the discharge of the first MOSFET transistor 7 is negligible with respect to the time constant associated with the load of the second MOSFET transistor 8. In other words, the first MOSFET transistor 7 discharges faster. that the second MOSFET transistor 8 does not charge, so that the first MOSFET transistor 7 switches off before the second MOSFET transistor 8 switches on.
- the gate and the source of the second MOSFET transistor 8 are both connected to the electric ground 4. Furthermore, the gate and the source of the first MOSFET transistor 7 are respectively connected to the electrical ground 4 and at the supply line 2.
- the first MOSFET transistor 7 loads through the resistor 192. the second branch 19 while the second MOSFET transistor 8 discharges through the diode 191 of the second branch 19, which is of negligible resistance. Therefore, the time constant associated with the discharge of the second MOSFET transistor 8 is negligible compared to the time constant associated with the load of the first MOSFET transistor 7. In other words, the second MOSFET transistor 8 discharges faster. that the first MOSFET transistor 7 is not charged, so that the second MOSFET transistor 8 switches to the off state before the first MOSFET transistor 7 switches to the on state.
- FIG. 2 schematically represents a first preferred embodiment of the electronic control circuit of the H-half-bridge of FIG. 1, in which the second branch 19 comprises an auxiliary control module 20.
- Said auxiliary control module 20 comprises a switch 202 and a command 201 of said switch 202, said switch 202 being adapted to open and close the second branch 19 between the resistor 192 and the diode 191 of said second branch 19.
- the gate of the first transistor 7 is connected to the line supply 2 via a resistor 21.
- said switch of the second branch 19 is a MOSFET transistor 202.
- the control 201 of said MOSFET transistor 202 is adapted to generate voltage signals, and configurable in two states, a state called " high "and a so-called” low “state respectively corresponding to a high voltage signal and a low voltage signal.
- said MOSFET transistor 202 of said auxiliary control module 20 is drain connected to the resistor 192 of the second branch 19, gate connected to an output of said control 201 of the auxiliary control module 20 of the second branch 19, and source connected to the cathode of the diode 191 of the second branch 19.
- the MOSFET transistor 202 of the auxiliary control module 20 is of N-channel type.
- control 201 of the auxiliary control module 20 of the second branch 19 is common with the control 161 of the control module 16, so that the switch 202 of said auxiliary control module 20 is controllable by the control 161 of the control module 16.
- Such a configuration of the control circuit of the H-half bridge is advantageous because it is adapted to put the load 1 in high impedance in the event of a fault in the control 161 of the control module 16 in the case of the second mode of operation.
- a second step in the event of a fault in the command 161 of the control module 16 during the second mode of operation, the command 201 of the auxiliary control module 20 of the second branch 19 goes low so that the MOSFET transistor 202 of said auxiliary control module 20 switches to the off state.
- the gate of the first MOSFET transistor 7 is connected to the power supply line 2, so that the first MOSFET transistor 7 switches to the off state. Since the second MOSFET transistor 8 is also in the off state, the load 1 is set to high impedance.
- FIG. 3 schematically represents a second preferred embodiment of the electronic control circuit of the H-half-bridge of FIG. 1, in which the first branch 18 comprises an auxiliary control module 22.
- Said auxiliary control module 22 comprises a switch 222 and a control 221 of said switch 222, said switch 222 being adapted to open and close the first branch 18 between the resistor 182 and the diode 181 of said first branch 18.
- the gate of the second transistor 8 is connected to ground electrical 4 via a resistor 23.
- said switch of the first branch 18 is a MOSFET transistor 222.
- the control 221 of said MOSFET transistor 222 is adapted to generate voltage signals, and configurable in two states, a so-called "high” state and a "low” state respectively corresponding to a high voltage signal and a low voltage signal.
- said MOSFET transistor 222 of said auxiliary control module 22 is drain connected to the resistor 182 of the first gate branch 18 connected to an output of said control 221 of the auxiliary control module 20 of the first branch 18, and source connected to the cathode of the diode 181 of the first branch 18.
- the MOSFET transistor 222 of the auxiliary control module 22 is of P-channel type.
- control 221 of the auxiliary control module 22 of the first branch 18 is common with the control 161 of the control module 16, so that the switch 222 of said auxiliary control module 22 is controllable by the control 161 of the control module 16.
- Such a configuration of the control circuit of the H-half bridge is advantageous because it is adapted to put the load 1 in high impedance in the event of a fault in the control 161 of the control module 16 in the case of the first mode of operation.
- control 221 of auxiliary control module 22 of first branch 18 goes high so that the MOSFET transistor 222 of said auxiliary control module 22 switches to the off state.
- the gate of the second MOSFET transistor 8 is connected to the electrical earth 4, so that the second MOSFET transistor 8 switches to the off state. Since the first MOSFET transistor 7 is also in the off state, the load 1 is set to high impedance.
- the first branch 18 as well as the second branch 19 each comprise an auxiliary control module as described above with reference to FIGS. 2 and 3.
- Such a configuration is advantageous because it makes it possible to put the load 1 in high impedance both in the first mode of operation and the second mode of operation.
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Electronic Switches (AREA)
- Control Of Direct Current Motors (AREA)
- Power Conversion In General (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR112017016722A BR112017016722A2 (pt) | 2015-02-04 | 2016-02-04 | circuito eletrônico para o controle de uma meia ponte h |
CN201680018803.7A CN107431480B (zh) | 2015-02-04 | 2016-02-04 | H半桥的控制电子电路 |
US15/548,696 US10135434B2 (en) | 2015-02-04 | 2016-02-04 | Electronic circuit for controlling a half H-bridge |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1550862A FR3032319B1 (fr) | 2015-02-04 | 2015-02-04 | Circuit electronique de commande d'un demi-pont en h |
FR1550862 | 2015-02-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016124334A1 true WO2016124334A1 (fr) | 2016-08-11 |
Family
ID=53008688
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2016/000181 WO2016124334A1 (fr) | 2015-02-04 | 2016-02-04 | Circuit electronique de commande d'un demi-pont en h |
Country Status (5)
Country | Link |
---|---|
US (1) | US10135434B2 (fr) |
CN (1) | CN107431480B (fr) |
BR (1) | BR112017016722A2 (fr) |
FR (1) | FR3032319B1 (fr) |
WO (1) | WO2016124334A1 (fr) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110071135B (zh) * | 2018-01-24 | 2023-05-05 | 艾蒙半导体公司 | 用于操控超声转换器、尤其是超声换能器的设备 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0251910A2 (fr) * | 1986-06-25 | 1988-01-07 | Fujitsu Limited | Circuit tampon de sortie CMOS |
JPH01228319A (ja) * | 1988-03-09 | 1989-09-12 | Fuji Electric Co Ltd | 半導体集積回路 |
US20090140791A1 (en) * | 2007-11-29 | 2009-06-04 | Young Paul D | Switching Element Control |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5648896A (en) * | 1995-08-04 | 1997-07-15 | Lucent Technologies Inc. | Inverter device using capacitance for controlling waveform slew during voltage polarity transitions |
US6107844A (en) * | 1998-09-28 | 2000-08-22 | Tripath Technology, Inc. | Methods and apparatus for reducing MOSFET body diode conduction in a half-bridge configuration |
US7330055B2 (en) * | 2004-10-26 | 2008-02-12 | Qortek, Inc. | Circuit with high power density applicability |
CN203562957U (zh) * | 2013-11-27 | 2014-04-23 | 苏州贝克微电子有限公司 | 一种开关稳压电路 |
-
2015
- 2015-02-04 FR FR1550862A patent/FR3032319B1/fr active Active
-
2016
- 2016-02-04 CN CN201680018803.7A patent/CN107431480B/zh active Active
- 2016-02-04 BR BR112017016722A patent/BR112017016722A2/pt not_active Application Discontinuation
- 2016-02-04 WO PCT/EP2016/000181 patent/WO2016124334A1/fr active Application Filing
- 2016-02-04 US US15/548,696 patent/US10135434B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0251910A2 (fr) * | 1986-06-25 | 1988-01-07 | Fujitsu Limited | Circuit tampon de sortie CMOS |
JPH01228319A (ja) * | 1988-03-09 | 1989-09-12 | Fuji Electric Co Ltd | 半導体集積回路 |
US20090140791A1 (en) * | 2007-11-29 | 2009-06-04 | Young Paul D | Switching Element Control |
Also Published As
Publication number | Publication date |
---|---|
FR3032319A1 (fr) | 2016-08-05 |
CN107431480B (zh) | 2020-11-17 |
FR3032319B1 (fr) | 2018-03-23 |
US10135434B2 (en) | 2018-11-20 |
US20180019746A1 (en) | 2018-01-18 |
BR112017016722A2 (pt) | 2018-06-19 |
CN107431480A (zh) | 2017-12-01 |
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