CN107040250A - A kind of voltage mode drive circuit - Google Patents
A kind of voltage mode drive circuit Download PDFInfo
- Publication number
- CN107040250A CN107040250A CN201610080795.0A CN201610080795A CN107040250A CN 107040250 A CN107040250 A CN 107040250A CN 201610080795 A CN201610080795 A CN 201610080795A CN 107040250 A CN107040250 A CN 107040250A
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- China
- Prior art keywords
- driving tube
- voltage
- phase inverter
- stablizer
- circuit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/30—Modifications for providing a predetermined threshold before switching
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/30—Modifications for providing a predetermined threshold before switching
- H03K17/302—Modifications for providing a predetermined threshold before switching in field-effect transistor switches
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- Dc-Dc Converters (AREA)
- Logic Circuits (AREA)
- Electronic Switches (AREA)
Abstract
This application discloses a kind of voltage mode drive circuit, to reduce power consumption.A kind of voltage mode drive circuit that the application is provided includes：Voltage-stablizer, the first driving tube being connected with the output end of the voltage-stablizer, the second driving tube being connected with first driving tube, and the phase inverter being connected with first driving tube and the second driving tube, also, also include：What is be connected respectively with first driving tube and the phase inverter is used for the change of the output signal according to the phase inverter, the automatic compensating module of dynamic current for providing dynamic current for first driving tube.
Description
Technical field
The application is related to technical field of integrated circuits, more particularly to a kind of voltage mode drive circuit.
Background technology
With the evolution of technique, the supply voltage of chip is more and more lower, and is driven as defined in many protocol specifications
The driving voltage of circuit is still higher, and the supply voltage of such drive circuit is general by internal voltage regulator (LDO)
Produce.If drive circuit is voltage mode, switching current is than larger, and average current is smaller, because
This LDO output voltage is had than larger shake.In order to reduce shake, LDO circuit can be increased
Bandwidth reduces the response time, and so understands the quiescent dissipation of increasing circuit.
Traditional voltage mode drive circuit is referring to Fig. 1, and traditional voltage mode drive circuit is directly from LDO
Power taking, under advanced chip manufacturing process, the supply voltage of internal circuit has already decreased to 0.9V, and IO is supplied
Piezoelectric voltage is 1.8V, and some interface driving circuits, for example：The output of MIPI DPHY LP transmitting terminals
Normal voltage be 1.2V.If in drive circuit use voltage mode, then be accomplished by a LDO from
1.8V power takings produce 1.2V voltage.Voltage mode driving can reduce quiescent dissipation, but increase switch
Electric current, such LDO output 1.2V voltages just have fluctuation, increase this LDO bandwidth and can reduce
Fluctuation, but quiescent dissipation is also increased simultaneously.
In summary, voltage mode drive circuit of the prior art needs larger quiescent current, increases
Quiescent dissipation.
The content of the invention
The embodiment of the present application provides a kind of voltage mode drive circuit, to reduce power consumption.
A kind of voltage mode drive circuit that the embodiment of the present application is provided includes voltage-stablizer, with the voltage-stablizer
Output end connection the first driving tube, the second driving tube being connected with first driving tube, and with it is described
First driving tube and the phase inverter of the second driving tube connection, also, also include：
What is be connected respectively with first driving tube and the phase inverter is used for the output according to the phase inverter
The change of signal, the automatic compensating module of dynamic current for providing dynamic current for first driving tube.
It can detect when drive circuit needs big charging current by the circuit, automatically provide corresponding electricity
Stream, and when not needing charging current, can automatically shut down, therefore power consumption can be significantly decreased.
It is preferred that the automatic compensating module of dynamic current, is specifically included：Resistance, electric capacity, the 3rd driving
Pipe, wherein the first end of the resistance is connected with the first end of electric capacity, the tie point of the resistance and electric capacity and
The grid of 3rd driving tube is connected, and the second end of the electric capacity is connected with the output end of the phase inverter,
Second end of the resistance is connected with power supply, and the source electrode of the 3rd driving tube is connected with the power supply, described
The drain of 3rd driving tube is connected with first driving tube.
It is preferred that the 3rd driving tube is PMOS.
It is preferred that first driving tube is PMOS.
It is preferred that second driving tube is NMOS tube.
It is preferred that the input of the voltage-stablizer connects the power supply, the output end connection institute of the voltage-stablizer
State the source electrode of the first driving tube, the drain phase of the source electrode of first driving tube also with the 3rd driving tube
Even, the grid of first driving tube is connected with the output end of the phase inverter.
It is preferred that the drain of second driving tube is connected with the drain of first driving tube, described second
The source ground of driving tube, the grid of second driving tube is connected with the output end of the phase inverter.
It is preferred that input of the input of the phase inverter as the circuit, for receiving the circuit
Input signal.
It is preferred that output end of the connection end of first driving tube and the second driving tube as the circuit,
Output signal for exporting the circuit.
It is preferred that the voltage-stablizer is the voltage-stablizer that corresponding speed is less than predetermined threshold value, such as response speed
Slow voltage-stablizer SLOW LDO.
Brief description of the drawings
Fig. 1 is voltage mode drive circuit schematic diagram of the prior art；
The voltage mode drive circuit schematic diagram that Fig. 2 provides for the embodiment of the present application；
The driving tube PM0 grid voltage waveform diagrams that Fig. 3 provides for the embodiment of the present application.
Embodiment
The embodiment of the present application provides a kind of voltage mode drive circuit, to reduce power consumption.
The voltage mode drive circuit that the embodiment of the present application is provided is directly from power supply power taking, so as to reduce power supply electricity
Bear on road.
The voltage mode drive circuit that the embodiment of the present application is provided, referring to Fig. 2, when input signal in occur from
During low to high conversion, conversion from high to low can occur for the output signal inb of phase inverter, now driving tube
PM1 needs electric current that output voltage is leapt high.The embodiment of the present application uses the high pass being made up of R0 and C0
Wave filter, when it detects that the conversions of inb from high to low, drag down driving tube PM0 grid voltage, from
And utilize PM0 to provide PM1 electric current, at the time of now also exactly PM1 needs high current.Work as input
Signal in is completed after conversion, and PM0 grid voltage can also return to supply voltage, so as to stop power supply, keep away
The output signal vreg of voltage-stablizer voltage is exempted to leap high.
In the embodiment of the present application, resistance R0, electric capacity C0 value need to go to be applicable with reference to driving tube PM0
Different load currents.If value is improper, charging can be caused inadequate or excessive.For any group of R0
With C0 value, when the output signal inb of phase inverter changes from high to low, cause driving tube PM0
Grid voltage change, the waveform of change is as shown in figure 3, less than supply voltage vth, (vth is at it
PM0 threshold voltage) period of time T 0 in, driving tube PM0 can charge to drive circuit.Preferable feelings
Under condition, resistance R0 and electric capacity C0 selection, it is necessary in T0 this periods driving tube PM0 chargings electricity
Lotus is equal to the electric charge needed for drive circuit.In the application that actual circuit is designed, it is general choose need T0 this
Section the time in driving tube PM0 charging electric charge be less than drive circuit needed for electric charge with prevent overshoot.Need
Emulated, according to the output signal vreg of voltage-stablizer voltage waveform, select R0 and C0.
As can be seen here, a kind of voltage mode drive circuit that the embodiment of the present application is provided includes：Voltage-stablizer is (i.e.
LDO in Fig. 2), the first driving tube (i.e. PM1 in Fig. 2) being connected with the output end of the voltage-stablizer,
The second driving tube (i.e. NM1 in Fig. 2) being connected with first driving tube, and driven with described first
The phase inverter (i.e. Inverter in Fig. 2) that dynamic pipe and the second driving tube are connected, in addition to：
What is be connected respectively with first driving tube and the phase inverter is used for the output according to the phase inverter
The change of signal, the automatic compensating module of dynamic current for providing dynamic current for first driving tube.
It can detect when drive circuit needs big charging current by the circuit, automatically provide corresponding electricity
Stream, and when not needing charging current, can automatically shut down, therefore power consumption can be significantly decreased.
It is preferred that the automatic compensating module of dynamic current, is specifically included：Resistance R0, electric capacity C0,
Three driving tubes (i.e. PM3 in Fig. 2), wherein the first end of the resistance is connected with the first end of electric capacity, institute
The tie point for stating resistance and electric capacity is connected with the grid of the 3rd driving tube, the second end of the electric capacity and institute
The output end (inb) for stating phase inverter is connected, and the second end of the resistance is connected with power supply (Power), institute
The source electrode for stating the 3rd driving tube is connected with the power supply, the drain of the 3rd driving tube and the described first driving
Pipe is connected.
It is preferred that the 3rd driving tube is PMOS.
It is preferred that first driving tube is PMOS.
It is preferred that second driving tube is NMOS tube.
It is preferred that the input of the voltage-stablizer connects the power supply, the output end (vreg) of the voltage-stablizer
Connect the source electrode of first driving tube, the leakage of the source electrode of first driving tube also with the 3rd driving tube
Level is connected, and the grid of first driving tube is connected with the output end of the phase inverter.
It is preferred that the drain of second driving tube is connected with the drain of first driving tube, described second
The source ground of driving tube, the grid of second driving tube is connected with the output end of the phase inverter.
It is preferred that input of the input (in) of the phase inverter as the circuit, for receiving
State the input signal of circuit.
It is preferred that output end of the connection end of first driving tube and the second driving tube as the circuit,
Output signal for exporting the circuit.
It is preferred that the voltage-stablizer is the voltage-stablizer that corresponding speed is less than predetermined threshold value.
In summary, the technical scheme that the embodiment of the present application is provided, can detect when drive circuit needs
Big charging current, automatically provides phase induced current, and when not needing charging current, can automatically shut down,
Therefore power consumption can be significantly decreased.
Obviously, those skilled in the art can carry out various changes and modification without departing from this Shen to the application
Spirit and scope please.So, if these modifications and variations of the application belong to the application claim and
Within the scope of its equivalent technologies, then the application is also intended to comprising including these changes and modification.
Claims (10)
1. a kind of voltage mode drive circuit, including voltage-stablizer, are connected with the output end of the voltage-stablizer
First driving tube, the second driving tube being connected with first driving tube, and with first driving tube and
The phase inverter of second driving tube connection, it is characterised in that also include：
What is be connected respectively with first driving tube and the phase inverter is used for the output according to the phase inverter
The change of signal, the automatic compensating module of dynamic current for providing dynamic current for first driving tube.
2. circuit according to claim 1, it is characterised in that the dynamic current compensates mould automatically
Block, is specifically included：Resistance, electric capacity, the 3rd driving tube, wherein the resistance first end and electric capacity
One end is connected, and the tie point of the resistance and electric capacity is connected with the grid of the 3rd driving tube, the electric capacity
The second end be connected with the output end of the phase inverter, the second end of the resistance is connected with power supply, described
The source electrode of three driving tubes is connected with the power supply, drain and the first driving tube phase of the 3rd driving tube
Even.
3. circuit according to claim 1, it is characterised in that the 3rd driving tube is PMOS
Pipe.
4. circuit according to claim 3, it is characterised in that first driving tube is PMOS
Pipe.
5. circuit according to claim 4, it is characterised in that second driving tube is NMOS
Pipe.
6. circuit according to claim 5, it is characterised in that the input connection of the voltage-stablizer
The power supply, the output end of the voltage-stablizer connects the source electrode of first driving tube, first driving tube
Drain of the source electrode also with the 3rd driving tube be connected, grid and the phase inverter of first driving tube
Output end be connected.
7. circuit according to claim 6, it is characterised in that the drain of second driving tube with
The drain of first driving tube is connected, the source ground of second driving tube, second driving tube
Grid is connected with the output end of the phase inverter.
8. circuit according to claim 7, it is characterised in that the input conduct of the phase inverter
The input of the circuit, the input signal for receiving the circuit.
9. circuit according to claim 8, it is characterised in that first driving tube and second drives
The connection end of dynamic pipe is as the output end of the circuit, the output signal for exporting the circuit.
10. the circuit according to any claim of claim 1~9, it is characterised in that the voltage-stablizer is
Corresponding speed is less than the voltage-stablizer of predetermined threshold value.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610080795.0A CN107040250B (en) | 2016-02-04 | 2016-02-04 | A kind of voltage mode driving circuit |
| PCT/CN2016/112755 WO2017133356A1 (en) | 2016-02-04 | 2016-12-28 | Voltage-mode drive circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610080795.0A CN107040250B (en) | 2016-02-04 | 2016-02-04 | A kind of voltage mode driving circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107040250A true CN107040250A (en) | 2017-08-11 |
| CN107040250B CN107040250B (en) | 2019-09-17 |
Family
ID=59500287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610080795.0A Active CN107040250B (en) | 2016-02-04 | 2016-02-04 | A kind of voltage mode driving circuit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107040250B (en) |
| WO (1) | WO2017133356A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093849A (en) * | 2021-03-31 | 2021-07-09 | 上海磐启微电子有限公司 | Circuit module and integrated circuit system for realizing interference filtering function |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109116901B (en) * | 2018-10-31 | 2023-09-15 | 上海艾为电子技术股份有限公司 | Linear voltage stabilizing circuit and integrated circuit |
| TWI697750B (en) * | 2019-08-07 | 2020-07-01 | 華邦電子股份有限公司 | Voltage regulator device and control method for voltage regulator device |
| US10845835B1 (en) | 2019-09-05 | 2020-11-24 | Winbond Electronics Corp. | Voltage regulator device and control method for voltage regulator device |
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|---|---|---|---|---|
| CN1266266A (en) * | 1999-03-09 | 2000-09-13 | 因芬尼昂技术北美公司 | Capacitance coupled driving circuit |
| CN1677905A (en) * | 2004-02-04 | 2005-10-05 | 夏普株式会社 | Light emitting diode driving circuit and optical transmitter for use in optical fiber link |
| CN1691506A (en) * | 2004-04-30 | 2005-11-02 | 华为技术有限公司 | Line driver and output signal controlling method thereof |
| CN101895281A (en) * | 2010-07-28 | 2010-11-24 | 佛山市顺德区瑞德电子实业有限公司 | Novel MOS tube drive circuit for switch power supply |
| CN103595374A (en) * | 2012-08-13 | 2014-02-19 | 快捷韩国半导体有限公司 | Piezoelectric driving circuit and piezoelectric driving method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04207630A (en) * | 1990-11-30 | 1992-07-29 | Mitsubishi Electric Corp | Semiconductor integrated circuit |
| CN102915061B (en) * | 2011-08-05 | 2015-05-06 | 深圳市汇春科技有限公司 | Low-voltage stabilizer for ultra-low static current |
| JP2013077962A (en) * | 2011-09-30 | 2013-04-25 | Renesas Electronics Corp | Logic circuit and semiconductor integrated circuit |
| JP5961042B2 (en) * | 2012-05-28 | 2016-08-02 | ローム株式会社 | BRIDGE OUTPUT CIRCUIT, MOTOR DRIVE DEVICE USING SAME, AND ELECTRONIC DEVICE |
| CN104111681B (en) * | 2013-04-22 | 2016-04-13 | 上海华虹宏力半导体制造有限公司 | low-voltage differential signal driver |
-
2016
- 2016-02-04 CN CN201610080795.0A patent/CN107040250B/en active Active
- 2016-12-28 WO PCT/CN2016/112755 patent/WO2017133356A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1266266A (en) * | 1999-03-09 | 2000-09-13 | 因芬尼昂技术北美公司 | Capacitance coupled driving circuit |
| CN1677905A (en) * | 2004-02-04 | 2005-10-05 | 夏普株式会社 | Light emitting diode driving circuit and optical transmitter for use in optical fiber link |
| CN1691506A (en) * | 2004-04-30 | 2005-11-02 | 华为技术有限公司 | Line driver and output signal controlling method thereof |
| CN101895281A (en) * | 2010-07-28 | 2010-11-24 | 佛山市顺德区瑞德电子实业有限公司 | Novel MOS tube drive circuit for switch power supply |
| CN103595374A (en) * | 2012-08-13 | 2014-02-19 | 快捷韩国半导体有限公司 | Piezoelectric driving circuit and piezoelectric driving method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093849A (en) * | 2021-03-31 | 2021-07-09 | 上海磐启微电子有限公司 | Circuit module and integrated circuit system for realizing interference filtering function |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017133356A1 (en) | 2017-08-10 |
| CN107040250B (en) | 2019-09-17 |
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