CN102692944A - Integrated circuit special for motorcycle voltage regulator - Google Patents
Integrated circuit special for motorcycle voltage regulator Download PDFInfo
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- CN102692944A CN102692944A CN2012101847478A CN201210184747A CN102692944A CN 102692944 A CN102692944 A CN 102692944A CN 2012101847478 A CN2012101847478 A CN 2012101847478A CN 201210184747 A CN201210184747 A CN 201210184747A CN 102692944 A CN102692944 A CN 102692944A
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Abstract
The invention discloses an integrated circuit special for a motorcycle voltage regulator. The integrated circuit comprises a power input end for supplying power, a power output end for supplying the power to a peripheral circuit, a grounding end, a first signal input end, a second signal input end, a third signal input end, a regulated voltage detection end, a first output end, a second output end, a third output end and a circuit integrating a first zero crossing detection circuit, a second zero crossing detection circuit, a third zero crossing detection circuit, a first channel logic circuit, a second channel logic circuit, a third channel logic circuit, a regulated voltage detection circuit, a power supply, a first clamping circuit, a second clamping circuit, a third clamping circuit and a power detection circuit. The integrated circuit is characterized in that the first clamping circuit receives a voltage signal from a first phase of a motorcycle magneto through the first signal input end, performs clamping processing on the voltage signal, and outputs the processed voltage signal to the first zero crossing detection circuit and the first channel logic circuit.
Description
Technical field
The present invention relates to integrated circuit, be specifically related to a kind of motorcycle pressure regulator special IC.
Background technology
Motorcycle is the modern important vehicles, and existing motorcycle pressure regulator mainly contains controllable silicon short-circuit type pressure regulator and controllable silicon open type pressure regulator.
Controllable silicon short-circuit type pressure regulator is parallelly connected voltage regulating mode, adopts the conducting of control controllable silicon to carry out pressure regulation, promptly when output voltage during greater than pressure regulation voltage, controls the controllable silicon conducting and carries out pressure regulation; This type of regulator circuit is simple, but also has following shortcoming: the pressure regulator thermal load is big, when the magneto generator output power is big; Must increase the pressure regulator area of dissipation, could guarantee that pressure regulator can the too high damage of Yin Wendu, so that volume be big; Cost is high, is not suitable for high-power pressure regulation; The pressure-control circuit voltage gain is little, and pressure regulator voltage difference when underloading and heavy duty is bigger; The electromagnetic interference (EMI) of system is big, when inductive load, can cause output voltage unstable.
Controllable silicon open type pressure regulator is the series voltage-regulating mode, adopts the control controllable silicon to turn-off and carries out pressure regulation, and promptly when output voltage during greater than pressure regulation voltage, control controllable silicon shutoff carrying out pressure regulation; Though controllable silicon open type pressure regulator has solved output terminal load pressure regulator heat load problem hour; But also there is following wretched insufficiency: during pressure regulator output heavy duty; Can cause more serious heat load problem, so this voltage regulating mode only is fit to the miniwatt pressure regulator; During high engine speeds, receive the influence of controllable silicon dV/dt parameter, controllable silicon president conducting causes pressure regulator out of control; Controllable silicon conducting meeting under high voltage causes controllable silicon moment impact electric current excessive, damages controllable silicon and commutation diode; Controllable silicon conducting under high pressure alters a great deal the voltage-regulating system electric current, has increased considerably the electromagnetic interference (EMI) of system; During no accumulator jar, the output voltage regulator electric capacity charging and discharging degree of depth is very big, and temperature is too high, damages easily.
Existing MOSFET pressure regulator is parallel pressure regulator, utilizes power MOS (Metal Oxide Semiconductor) device to replace the voltage adjuster spare of controllable silicon as pressure regulator.Because the metal-oxide-semiconductor conduction voltage drop than the little one magnitude of controllable silicon, therefore can reduce the thermal load of pressure regulator significantly, is easy to make high-power pressure regulator; The reduction of thermal load has improved the pressure regulator reliability on the one hand, also can reduce the pressure regulator volume significantly on the other hand, reduces resource consumption.But because the circuit of MOSFET pressure regulator is very complicated, cost is higher, and technology difficulty is big, and this technology is never used in pressure regulator on a large scale.
Summary of the invention
Technical matters to be solved by this invention provides the motorcycle that a kind of cost is low, technology is simple, performance is excellent and uses the pressure regulator special IC.
In order to solve the problems of the technologies described above; According to technical scheme of the present invention; A kind of motorcycle pressure regulator special IC; Comprise power input, the power output end for the peripheral circuit power supply, earth terminal, first signal input part, secondary signal input end, the 3rd signal input part, adjustment voltage detecting end, first output terminal, second output terminal and the 3rd output terminal of supply power and following circuit is carried out integrated circuit, these circuit comprise: first zero cross detection circuit, second zero cross detection circuit, the 3rd zero cross detection circuit, first passage logical circuit, second channel logical circuit, third channel logical circuit, adjustment voltage detecting circuit, power supply, first clamping circuit, second clamping circuit, the 3rd clamping circuit and power sense circuit;
Be characterized in:
Said first clamping circuit receives the voltage signal that magnetic motor for motorcycle first export mutually through first signal input part, carry out the clamper processing after, output to said first zero cross detection circuit and said first passage logical circuit;
Said second clamping circuit receives the voltage signal that magnetic motor for motorcycle second export mutually through the secondary signal input end, carry out the clamper processing after, output to said second zero cross detection circuit and said second channel logical circuit;
Said the 3rd clamping circuit receives the voltage signal of magnetic motor for motorcycle third phase output through the 3rd signal input part, carries out outputing to said the 3rd zero cross detection circuit and said third channel logical circuit after clamper handles;
Said first zero cross detection circuit receives the voltage clamp signal of said first clamping circuit output, carries out zero passage detection, and testing result is outputed to said first passage logical circuit;
Said second zero cross detection circuit receives the voltage clamp signal of said second clamping circuit output, carries out zero passage detection, and testing result is outputed to said second channel logical circuit;
Said the 3rd zero cross detection circuit receives the voltage clamp signal of said the 3rd clamping circuit output, carries out zero passage detection, and testing result is outputed to said third channel logical circuit;
Said adjustment voltage detecting circuit is received pressure regulator adjustment voltage sampling signal through adjustment voltage detecting termination; And compare with the benchmark comparative voltage, output a control signal to first passage logical circuit, second channel logical circuit and third channel logical circuit simultaneously;
Said first passage logical circuit receives the signal of said first clamping circuit and the output of said first zero cross detection circuit; Receive the power detection signal of said power sense circuit output; Receive the control signal of adjustment voltage detecting circuit output simultaneously; Carry out logical process, generate trigger pip, export through first output terminal;
Said second channel logical circuit receives the signal of said second clamping circuit and the output of said second zero cross detection circuit; Receive the power detection signal of said power sense circuit output; Receive the control signal of adjustment voltage detecting circuit output simultaneously; Carry out logical process, generate trigger pip, export through second output terminal;
Said third channel logical circuit receives the signal of said the 3rd clamping circuit and the output of said the 3rd zero cross detection circuit; Receive the power detection signal of said power sense circuit output; Receive the control signal of adjustment voltage detecting circuit output simultaneously; Carry out logical process, generate trigger pip, export through the 3rd output terminal;
Said power sense circuit detects the power input signal, and the out-put supply detection signal is to said first passage logical circuit, said second channel logical circuit and said third channel logical circuit.
The present invention all is provided with zero cross detection circuit and channel logic circuit through every the going up mutually in magneto generator output; When the magneto generator phase voltage from negative during to positive zero passage; If the pressure regulator output voltage is less than adjustment voltage, this corresponding metal-oxide-semiconductor turn-offs, and this is exported through pressure regulator mutually and charges to load; In case charging, this must accomplish mutually whole positive half cycle voltage charging up to phase voltage by just to negative zero passage; If the pressure regulator output voltage greater than the adjustment voltage, this corresponding metal-oxide-semiconductor conducting, pressure regulator does not charge to load.Adjustment voltage can promptly be adjusted through pressure regulator adjustment voltage sampling signal through the peripheral circuit adjustment of integrated circuit.
In the present invention, the channel logic circuit is controlled by the clamper signal of clamping circuit output, the zero passage detection signal of zero cross detection circuit output, the power detection signal VT of power sense circuit output and the control signal of adjustment voltage detecting circuit 8 outputs jointly; Through power sense circuit is set, when supply voltage was low, it was low level that the power detection signal of said power sense circuit output makes the output of channel logic circuit permanent; Not conducting of metal-oxide-semiconductor; Under the slow-speed of revolution, reduce the starting torque of motorcycle, have slow-speed of revolution defencive function; Can not damage when pressure regulator is started, further improve the reliability of pressure regulator; Through clamping circuit being set and adopting the zero passage voltage regulating mode, can suppress the electromagnetic interference (EMI) of system significantly; , the system of inductive load can keep the stable of supply voltage in being arranged; Can on the commutation diode of pressure regulator, not produce the negative pulse peak current, improve the reliability of pressure regulator.
According to a preferred version of motorcycle pressure regulator special IC of the present invention, this integrated circuit also is provided with overvoltage test side and overvoltage detection circuit;
Said overvoltage detection circuit receives pressure regulator output voltage sampled signal through overvoltage test side (VLM); And compare with the benchmark comparative voltage, output a control signal to first passage logical circuit, second channel logical circuit and third channel logical circuit simultaneously;
Said first passage logical circuit receives the signal of said first clamping circuit and the output of said first zero cross detection circuit; Receive the power detection signal of said power sense circuit output; Receive the control signal of overvoltage detection circuit and the output of adjustment voltage detecting circuit simultaneously; Carry out logical process, generate trigger pip, export through first output terminal;
Said second channel logical circuit receives the signal of said second clamping circuit and the output of said second zero cross detection circuit; Receive the power detection signal of said power sense circuit output; Receive the control signal of overvoltage detection circuit and the output of adjustment voltage detecting circuit simultaneously; Carry out logical process, generate trigger pip, export through second output terminal;
Said third channel logical circuit receives the signal of said the 3rd clamping circuit and the output of said the 3rd zero cross detection circuit; Receive the power detection signal of said power sense circuit output; Receive the control signal of overvoltage detection circuit and the output of adjustment voltage detecting circuit simultaneously; Carry out logical process, generate trigger pip, export through the 3rd output terminal.
Through overvoltage detection circuit is set, make pressure regulator have over-voltage protecting function.When no accumulator jar state, if pressure regulator output voltage during greater than the superpotential threshold value, the metal-oxide-semiconductor conducting, pressure regulator output is reduced to no-voltage at once, and the protection load is avoided overvoltage and is impacted.The superpotential threshold value can promptly be adjusted through pressure regulator output voltage sampled signal through the peripheral circuit adjustment of integrated circuit, and the superpotential threshold value is much larger than adjustment voltage usually.
A preferred version according to motorcycle pressure regulator special IC of the present invention; Arbitrary channel logic circuit includes first OR-NOT circuit, second OR-NOT circuit, the 3rd OR-NOT circuit, reverser, rest-set flip-flop, four nor gate circuit, the 5th OR-NOT circuit and impact damper, wherein:
First OR-NOT circuit receives the clamper signal of corresponding clamping circuit output, receives the control signal of said adjustment voltage detecting circuit output simultaneously, carries out NOR-logic and handles, and the output signal is to said the 3rd OR-NOT circuit;
Second OR-NOT circuit receives the signal of corresponding zero cross detection circuit output, receives the control signal of said overvoltage detection circuit output simultaneously, carries out NOR-logic and handles, and the output signal is to said the 3rd OR-NOT circuit;
Said the 3rd OR-NOT circuit receives the signal of first OR-NOT circuit and the output of second OR-NOT circuit, carries out NOR-logic and handles, and the output signal is to said rest-set flip-flop;
Said reverser carries out reverse process with the signal of the zero cross detection circuit output of correspondence, and the output signal is to said rest-set flip-flop;
Said rest-set flip-flop receives the signal of said reverser and the output of said the 3rd OR-NOT circuit, carries out logical process, and the output signal is to said four nor gate circuit;
Said four nor gate circuit receives the signal of said rest-set flip-flop output, receives the signal of corresponding zero cross detection circuit output simultaneously, carries out NOR-logic and handles, and the output signal is to said the 5th OR-NOT circuit;
Said the 5th OR-NOT circuit receives the signal of said four nor gate circuit output, receives the power detection signal of said power sense circuit output simultaneously, carries out NOR-logic and handles, and the output signal is to said impact damper;
Said impact damper receives the signal of said the 5th OR-NOT circuit output, carries out exporting after the buffered.
A preferred version according to motorcycle pressure regulator special IC of the present invention; Arbitrary zero cross detection circuit includes the comparer and second reverser; Wherein, comparer outputed to second reverser after the clamper signal that the clamping circuit of correspondence is exported is carried out zero balancing; Output detection signal was to said second OR-NOT circuit, said reverser and said four nor gate circuit after second reverser carried out reverse process with the signal of receiving.
A preferred version according to motorcycle pressure regulator special IC of the present invention; Arbitrary clamping circuit includes current-limiting resistance, first diode and second diode; Wherein, One end of current-limiting resistance connects corresponding signal input part, the plus earth of first diode, and the negative pole of second diode connects the output terminal of power supply; The negative pole of the other end of current-limiting resistance and first diode and the positive pole of second diode are connected, and their connected node is connected with corresponding channel logic circuit with corresponding zero cross detection circuit simultaneously.
The beneficial effect of motorcycle pressure regulator special IC of the present invention is: the present invention can suppress the electromagnetic interference (EMI) of system significantly; , the system of inductive load can keep the stable of supply voltage in being arranged; Can on commutation diode, not produce the negative pulse peak current, improve the reliability of pressure regulator; The pressure regulator output voltage stabilization; Have slow-speed of revolution defencive function, further improved the reliability of pressure regulator; Through overvoltage detection circuit is set, make pressure regulator have over-voltage protecting function, when no accumulator jar state, the protection load is avoided overvoltage and is impacted; The pressure regulator thermal load is low, can be used for the above high-power environment of 500W; Have the advantage that technology is simple, cost is low, reliability is high, antijamming capability is strong, can be widely used in all kinds of pressure regulators.
Description of drawings
Fig. 1 is a motorcycle pressure regulator special IC functional-block diagram of the present invention.
Fig. 2 is the application circuit of motorcycle pressure regulator special IC of the present invention.
Fig. 3 is the schematic diagram of the channel logic circuit of motorcycle pressure regulator special IC specific embodiment of the present invention.
Fig. 4 is the schematic diagram of clamping circuit and zero cross detection circuit in the specific embodiment.
Embodiment
Referring to Fig. 1 and Fig. 2; A kind of motorcycle pressure regulator special IC; Comprise power input VCC, the power output end VDD for peripheral circuit power supply, earth terminal GND, the first signal input part IN1, secondary signal input end IN2, the 3rd signal input part IN3, adjustment voltage detecting end VAJ, the first output terminal OUT1, the second output terminal OUT2 and the 3rd output terminal OUT3 of supply power and following circuit is carried out integrated circuit, these circuit comprise: first zero cross detection circuit 1, second zero cross detection circuit 2, the 3rd zero cross detection circuit 3, first passage logical circuit 4, second channel logical circuit 5, third channel logical circuit 6, adjustment voltage detecting circuit 8, power supply 9, first clamping circuit 10, second clamping circuit 11, the 3rd clamping circuit 12 and power sense circuit 13; Wherein:
Said first clamping circuit 10 receives the voltage signal that magnetic motor for motorcycle first export mutually through the first signal input part IN1, carries out outputing to said first zero cross detection circuit 1 and the said first passage logical circuit 4 after clamper handles;
Said second clamping circuit 11 receives the voltage signal that magnetic motor for motorcycle second export mutually through secondary signal input end IN2, carries out outputing to said second zero cross detection circuit 2 and the said second channel logical circuit 5 after clamper handles;
Said the 3rd clamping circuit 12 receives the voltage signal of magnetic motor for motorcycle third phase output through the 3rd signal input part IN3, carries out outputing to said the 3rd zero cross detection circuit 3 and said third channel logical circuit 6 after clamper handles;
Said first zero cross detection circuit 1 receives the voltage clamp signal of said first clamping circuit 10 outputs, carries out zero passage detection, and testing result is outputed to said first passage logical circuit 4;
Said second zero cross detection circuit 2 receives the voltage clamp signal of said second clamping circuit 11 outputs, carries out zero passage detection, and testing result is outputed to said second channel logical circuit 5;
Said the 3rd zero cross detection circuit 3 receives the voltage clamp signal of said the 3rd clamping circuit 12 outputs, carries out zero passage detection, and testing result is outputed to said third channel logical circuit 6;
Said adjustment voltage detecting circuit 8 receives pressure regulator adjustment voltage sampling signal through adjustment voltage detecting end VAJ; And compare with the benchmark comparative voltage, output a control signal to first passage logical circuit 4, second channel logical circuit 5 and third channel logical circuit 6 simultaneously;
Said first passage logical circuit 4 receives the signal of said first clamping circuit 10 and 1 output of said first zero cross detection circuit; Receive the power detection signal of said power sense circuit 13 outputs; Receive the control signal of adjustment voltage detecting circuit 8 outputs simultaneously; Carry out logical process, generate trigger pip, export through the first output terminal OUT1;
Said second channel logical circuit 5 receives the signal of said second clamping circuit 11 and 2 outputs of said second zero cross detection circuit; Receive the power detection signal of said power sense circuit 13 outputs; Receive the control signal of adjustment voltage detecting circuit 8 outputs simultaneously; Carry out logical process, generate trigger pip, export through the second output terminal OUT2;
Said third channel logical circuit 6 receives the signal of said the 3rd clamping circuit 12 and 3 outputs of said the 3rd zero cross detection circuit; Receive the power detection signal of said power sense circuit 13 outputs; Receive the control signal of adjustment voltage detecting circuit 8 outputs simultaneously; Carry out logical process, generate trigger pip, export through the 3rd output terminal OUT3;
13 couples of power input VCC of said power sense circuit signal detects, and the out-put supply detection signal is to said first passage logical circuit 4, said second channel logical circuit 5 and said third channel logical circuit 6.
In specific embodiment, this integrated circuit also is provided with overvoltage test side VLM and overvoltage detection circuit 7;
Said overvoltage detection circuit 7 receives pressure regulator output voltage sampled signal through overvoltage test side VLM; And compare with the benchmark comparative voltage, output a control signal to first passage logical circuit 4, second channel logical circuit 5 and third channel logical circuit 6 simultaneously;
Said first passage logical circuit 4 receives the signal of said first clamping circuit 10 and 1 output of said first zero cross detection circuit; Receive the power detection signal of said power sense circuit 13 outputs; Receive the control signal of overvoltage detection circuit 7 and 8 outputs of adjustment voltage detecting circuit simultaneously; Carry out logical process, generate trigger pip, export through the first output terminal OUT1;
Said second channel logical circuit 5 receives the signal of said second clamping circuit 11 and 2 outputs of said second zero cross detection circuit; Receive the power detection signal of said power sense circuit 13 outputs; Receive the control signal of overvoltage detection circuit 7 and 8 outputs of adjustment voltage detecting circuit simultaneously; Carry out logical process, generate trigger pip, export through the second output terminal OUT2;
Said third channel logical circuit 6 receives the signal of said the 3rd clamping circuit 12 and 3 outputs of said the 3rd zero cross detection circuit; Receive the power detection signal of said power sense circuit 13 outputs; Receive the control signal of overvoltage detection circuit 7 and 8 outputs of adjustment voltage detecting circuit simultaneously; Carry out logical process, generate trigger pip, export through the 3rd output terminal OUT3.
In specific embodiment, arbitrary channel logic circuit includes first OR-NOT circuit, second OR-NOT circuit, the 3rd OR-NOT circuit, reverser, rest-set flip-flop, four nor gate circuit, the 5th OR-NOT circuit and impact damper, wherein:
The first OR-NOT circuit IC1 receives the clamper signal of corresponding clamping circuit output, receives the control signal of said adjustment voltage detecting circuit 8 outputs simultaneously, carries out NOR-logic and handles, and the output signal is to said the 3rd OR-NOT circuit IC3;
The second OR-NOT circuit IC2 receives the signal of corresponding zero cross detection circuit output, receives the control signal of said overvoltage detection circuit 7 outputs simultaneously, carries out NOR-logic and handles, and the output signal is to said the 3rd OR-NOT circuit IC3;
Said the 3rd OR-NOT circuit IC3 receives the signal of the first OR-NOT circuit IC1 and second OR-NOT circuit IC2 output, carries out NOR-logic and handles, and the output signal is to said rest-set flip-flop IC5;
Said reverser IC4 carries out reverse process with the signal of the zero cross detection circuit output of correspondence, and the output signal is to said rest-set flip-flop IC5;
Said rest-set flip-flop IC5 receives the signal of said reverser IC4 and said the 3rd OR-NOT circuit IC3 output, carries out logical process, and the output signal is to said four nor gate IC circuit 6;
Said four nor gate IC circuit 6 receives the signal of said rest-set flip-flop IC5 output, receives the signal of corresponding zero cross detection circuit output simultaneously, carries out NOR-logic and handles, and the output signal is to said the 5th OR-NOT circuit IC7;
Said the 5th OR-NOT circuit IC7 receives the signal of said four nor gate IC circuit 6 outputs, receives the power detection signal of said power sense circuit 13 outputs simultaneously, carries out NOR-logic and handles, and the output signal is to said impact damper IC8;
Said impact damper IC8 receives the signal of said the 5th OR-NOT circuit IC7 output, carries out exporting after the buffered.
Channel logic circuit of the present invention is controlled by the clamper signal of clamping circuit output, the zero passage detection signal of zero cross detection circuit output, the power detection signal VT of power sense circuit 13 outputs, the control signal of adjustment voltage detecting circuit 8 outputs and the control signal of overvoltage detection circuit 7 outputs jointly; When the magneto generator phase voltage from negative during to positive zero passage; If the pressure regulator output voltage is less than adjustment voltage, this corresponding metal-oxide-semiconductor turn-offs, and this is exported through pressure regulator mutually and charges to load; In case charging, this must accomplish mutually whole positive half cycle voltage charging up to phase voltage by just to negative zero passage; If the pressure regulator output voltage greater than the adjustment voltage, this corresponding metal-oxide-semiconductor conducting, pressure regulator does not charge to load; The electromagnetic interference (EMI) that can suppress system significantly; , the system of inductive load can keep the stable of supply voltage in being arranged; Can on the commutation diode of pressure regulator, not produce the negative pulse peak current, improve the reliability of pressure regulator; When supply voltage was low, the power detection signal VT of said power sense circuit 13 outputs was a high level, and impact damper IC8 output perseverance is a low level; Not conducting of metal-oxide-semiconductor; Under the slow-speed of revolution, reduce the starting torque of motorcycle, have slow-speed of revolution defencive function; Can not damage when pressure regulator is started, further improve the reliability of pressure regulator; Pressure regulator has over-voltage protecting function.When no accumulator jar state, if pressure regulator output voltage during greater than the superpotential threshold value, the metal-oxide-semiconductor conducting, pressure regulator output is reduced to no-voltage at once, and the protection load is avoided overvoltage and is impacted.
In specific embodiment, arbitrary zero cross detection circuit includes the comparer IC9 and the second reverser IC10, and wherein, comparer IC9 outputed to the second reverser IC10 after the clamper signal that the clamping circuit of correspondence is exported is carried out zero balancing; Output detection signal was to the said second OR-NOT circuit IC2, said reverser IC4 and said four nor gate IC circuit 6 after the second reverser IC10 carried out reverse process with the signal of receiving.
In specific embodiment, the present invention is provided with overvoltage detection circuit 7 and adjustment voltage detecting circuit 8, in specific embodiment, adopts identical benchmark comparative voltage VB, and benchmark comparative voltage VB is produced by power supply 9, is 5.5V; When using, referring to Fig. 2, adjustment sample resistance R1, R2, as pressure regulator output voltage VO UT during greater than the 14V left and right sides, adjustment voltage detecting circuit 8 is output as low level, otherwise the output high level; Adjustment sample resistance R3, R4, as pressure regulator output voltage VO UT during greater than the 25V left and right sides, overvoltage detection circuit 7 output low levels, otherwise output high level.
In specific embodiment; First OR-NOT circuit of first passage logical circuit 4 receives the clamper signal of first clamping circuit, 10 outputs; Receive the control signal of said adjustment voltage detecting circuit 8 outputs simultaneously, carry out NOR-logic and handle, output signal to the three OR-NOT circuits; Second OR-NOT circuit of first passage logical circuit 4 receives the detection signal of first zero cross detection circuit, 1 output, receives the control signal of said overvoltage detection circuit 7 outputs simultaneously, carries out NOR-logic and handles, output signal to the three OR-NOT circuits; The 3rd OR-NOT circuit receives the signal of first OR-NOT circuit and the output of second OR-NOT circuit, carries out NOR-logic and handles, and the output signal is to said rest-set flip-flop; The reverser of first passage logical circuit 4 carries out reverse process with the detection signal of first zero cross detection circuit, 1 output, and the output signal is to said rest-set flip-flop; Rest-set flip-flop receives the signal of reverser and the output of said the 3rd OR-NOT circuit, carries out logical process, and the output signal is to said four nor gate circuit; The four nor gate circuit of first passage logical circuit 4 receives the signal of said rest-set flip-flop output, receives the detection signal of first zero cross detection circuit, 1 output simultaneously, carries out NOR-logic and handles, output signal to the five OR-NOT circuits; The 5th OR-NOT circuit receives the signal of four nor gate circuit output, receives the power detection signal of said power sense circuit 13 outputs simultaneously, carries out NOR-logic and handles, and the output signal is to impact damper; Impact damper receives the signal of the 5th OR-NOT circuit output, carries out exporting after the buffered.
The concrete formation of second channel logical circuit 5 and third channel logical circuit 6 is identical with first passage logical circuit 4, this not tired stating.
A preferred version according to motorcycle pressure regulator special IC of the present invention; Arbitrary clamping circuit includes current-limiting resistance, first diode and second diode; Wherein, One end of current-limiting resistance connects corresponding signal input part, the plus earth of first diode, and the negative pole of second diode connects the output terminal of power supply 9; The negative pole of the other end of current-limiting resistance and first diode and the positive pole of second diode are connected, and their connected node is connected with corresponding channel logic circuit with corresponding zero cross detection circuit simultaneously.
In specific embodiment; First clamping circuit comprises current-limiting resistance R, the first diode D1 and the second diode D2, and wherein, current-limiting resistance R one end connects the first signal input part IN1; The plus earth of the first diode D1; The negative pole of the second diode D2 connects the output terminal of power supply 9, and the negative pole of the other end of current-limiting resistance R and the first diode D1 and the positive pole of the second diode D2 are connected, and their connected node is connected with first passage logical circuit 4 with first zero cross detection circuit 1 simultaneously.
Second clamping circuit and the 3rd clamping circuit be formed in this tired stating.
In specific embodiment, principle of work of the present invention is:
Low supply voltage keeps low level output:
When supply voltage was low, power sense circuit 13 out-put supply detection signal VT were high level, and impact damper output perseverance is a low level, not conducting of metal-oxide-semiconductor, and pressure regulator is not worked.When supply voltage was high, power sense circuit 13 out-put supply detection signal VT were low level, and impact damper output is by other partial circuit decision of channel logic circuit.
When IN was input as negative voltage, zero cross detection circuit output terminal Z exported high level, and clamping circuit output terminal B output low level makes impact damper IC8 be output as high level, drives the conducting all the time of corresponding metal-oxide-semiconductor.Following two states possibly appear in rest-set flip-flop IC5: state one is Q+=0, Q-=1; State two is Q+=1, Q-=1.At this moment, the state of rest-set flip-flop IC5 depends on the output of adjusting voltage detecting circuit 8, if the output voltage VO UT of pressure regulator is a high level, the output CM2 that then adjusts voltage detecting circuit 8 is a low level, and rest-set flip-flop IC5 is a state one; If the output voltage VO UT of pressure regulator is a low level, then adjusting voltage detecting circuit 8 output CM2 is high level, and rest-set flip-flop IC5 is a state two;
When IN input positive voltage, integrated circuit has following two states according to the output voltage VO UT of pressure regulator:
The pressure regulation state: impact damper IC8 output terminal OUT exports high level, corresponding metal-oxide-semiconductor conducting.
Load condition: impact damper IC8 output terminal OUT output low level, corresponding metal-oxide-semiconductor turn-offs.
During IN input zero passage, if the output CM2=1 of adjustment voltage detecting circuit 8, the output CM1=1 of overvoltage detection circuit 7; Corresponding 14.5V＞VOUT, rest-set flip-flop IC5 is Q+=0, the Q-=1 state; Buffer output end OUT is output as 0, and metal-oxide-semiconductor turn-offs, and pressure regulator is in band and carries state.
When IN input zero passage, if CM2=0, CM1=1, corresponding 14.5V＜VOUT＜25V, rest-set flip-flop are Q+=1, the Q-=0 state, buffer output end OUT is output as 1, the metal-oxide-semiconductor conducting, pressure regulator is in the pressure regulation state.
When IN input zero passage, if CM2=0, CM1=0, corresponding VOUT＞25V, rest-set flip-flop are Q+=1, the Q-=0 state, buffer output end OUT is output as 1, the metal-oxide-semiconductor conducting, pressure regulator is in the pressure regulation state.
IN imports high voltage, if CM2=1, CM1=1, corresponding 14.5V＞VOUT, rest-set flip-flop are Q+=0, the Q-=1 state, buffer output end OUT is output as 0, and metal-oxide-semiconductor turn-offs, and pressure regulator is in band and carries state.
IN imports high voltage, if CM2=0, CM1=1, corresponding 14.5V＜VOUT＜25V, rest-set flip-flop IC5 is maintained Q+=0, the Q-=1 state, buffer output end OUT is output as 0, and metal-oxide-semiconductor turn-offs, and pressure regulator is in band and carries state.
IN imports high voltage, if CM2=0, CM1=0, corresponding VOUT＞25V, rest-set flip-flop are Q+=1, the Q-=0 state, buffer output end OUT is output as 1, the metal-oxide-semiconductor conducting, pressure regulator is in the pressure regulation state.
Claims (5)
1. motorcycle pressure regulator special IC; The power input (VCC), power output end (VDD), earth terminal (GND), first signal input part (IN1), secondary signal input end (IN2), the 3rd signal input part (IN3), adjustment voltage detecting end (VAJ), first output terminal (OUT1), second output terminal (OUT2) and the 3rd output terminal (OUT3) that comprise supply power for the peripheral circuit power supply; And following circuit carried out integrated circuit, these circuit comprise: first clamping circuit (10), second clamping circuit (11), the 3rd clamping circuit (12), first zero cross detection circuit (1), second zero cross detection circuit (2), the 3rd zero cross detection circuit (3), first passage logical circuit (4), second channel logical circuit (5), third channel logical circuit (6), adjustment voltage detecting circuit (8), power supply (9) and power sense circuit (13);
It is characterized in that:
Said first clamping circuit (10) receives the voltage signal that magnetic motor for motorcycle first export mutually through first signal input part (IN1), carry out the clamper processing after, output to said first zero cross detection circuit (1) and said first passage logical circuit (4);
Said second clamping circuit (11) receives the voltage signal that magnetic motor for motorcycle second export mutually through secondary signal input end (IN2), carry out the clamper processing after, output to said second zero cross detection circuit (2) and said second channel logical circuit (5);
Said the 3rd clamping circuit (12) receives the voltage signal of magnetic motor for motorcycle third phase output through the 3rd signal input part (IN3), carries out outputing to said the 3rd zero cross detection circuit (3) and said third channel logical circuit (6) after clamper handles;
Said first zero cross detection circuit (1) receives the voltage clamp signal of said first clamping circuit (10) output, carries out zero passage detection, and testing result is outputed to said first passage logical circuit (4);
Said second zero cross detection circuit (2) receives the voltage clamp signal of said second clamping circuit (11) output, carries out zero passage detection, and testing result is outputed to said second channel logical circuit (5);
Said the 3rd zero cross detection circuit (3) receives the voltage clamp signal of said the 3rd clamping circuit (12) output, carries out zero passage detection, and testing result is outputed to said third channel logical circuit (6);
Said adjustment voltage detecting circuit (8) receives pressure regulator adjustment voltage sampling signal through adjustment voltage detecting end (VAJ); And compare with the benchmark comparative voltage, output a control signal to first passage logical circuit (4), second channel logical circuit (5) and third channel logical circuit (6) simultaneously;
Said first passage logical circuit (4) receives the signal of said first clamping circuit (10) and said first zero cross detection circuit (1) output; Receive the power detection signal of said power sense circuit (13) output; Receive the control signal of adjustment voltage detecting circuit (8) output simultaneously; Carry out logical process, generate trigger pip, export through first output terminal (OUT1);
Said second channel logical circuit (5) receives the signal of said second clamping circuit (11) and said second zero cross detection circuit (2) output; Receive the power detection signal of said power sense circuit (13) output; Receive the control signal of adjustment voltage detecting circuit (8) output simultaneously; Carry out logical process, generate trigger pip, export through second output terminal (OUT2);
Said third channel logical circuit (6) receives the signal of said the 3rd clamping circuit (12) and said the 3rd zero cross detection circuit (3) output; Receive the power detection signal of said power sense circuit (13) output; Receive the control signal of adjustment voltage detecting circuit (8) output simultaneously; Carry out logical process, generate trigger pip, export through the 3rd output terminal (OUT3);
Said power sense circuit (13) detects power input (VCC) signal, and the out-put supply detection signal is to said first passage logical circuit (4), said second channel logical circuit (5) and said third channel logical circuit (6).
2. motorcycle pressure regulator special IC according to claim 1 is characterized in that: this integrated circuit also is provided with overvoltage test side (VLM) and overvoltage detection circuit (7);
Said overvoltage detection circuit (7) receives pressure regulator output voltage sampled signal through overvoltage test side (VLM); And compare with the benchmark comparative voltage, output a control signal to first passage logical circuit (4), second channel logical circuit (5) and third channel logical circuit (6) simultaneously;
Said first passage logical circuit (4) receives the signal of said first clamping circuit (10) and said first zero cross detection circuit (1) output; Receive the power detection signal of said power sense circuit (13) output; Receive the control signal of overvoltage detection circuit (7) and adjustment voltage detecting circuit (8) output simultaneously; Carry out logical process, generate trigger pip, export through first output terminal (OUT1);
Said second channel logical circuit (5) receives the signal of said second clamping circuit (11) and said second zero cross detection circuit (2) output; Receive the power detection signal of said power sense circuit (13) output; Receive the control signal of overvoltage detection circuit (7) and adjustment voltage detecting circuit (8) output simultaneously; Carry out logical process, generate trigger pip, export through second output terminal (OUT2);
Said third channel logical circuit (6) receives the signal of said the 3rd clamping circuit (12) and said the 3rd zero cross detection circuit (3) output; Receive the power detection signal of said power sense circuit (13) output; Receive the control signal of overvoltage detection circuit (7) and adjustment voltage detecting circuit (8) output simultaneously; Carry out logical process, generate trigger pip, export through the 3rd output terminal (OUT3).
3. motorcycle pressure regulator special IC according to claim 2; It is characterized in that: arbitrary channel logic circuit includes first OR-NOT circuit, second OR-NOT circuit, the 3rd OR-NOT circuit, reverser, rest-set flip-flop, four nor gate circuit, the 5th OR-NOT circuit and impact damper, wherein:
First OR-NOT circuit receives the clamper signal of corresponding clamping circuit output, receives the control signal of said adjustment voltage detecting circuit (8) output simultaneously, carries out NOR-logic and handles, and the output signal is to said the 3rd OR-NOT circuit;
Second OR-NOT circuit receives the signal of corresponding zero cross detection circuit output, receives the control signal of said overvoltage detection circuit (7) output simultaneously, carries out NOR-logic and handles, and the output signal is to said the 3rd OR-NOT circuit;
Said the 3rd OR-NOT circuit receives the signal of first OR-NOT circuit and the output of second OR-NOT circuit, carries out NOR-logic and handles, and the output signal is to said rest-set flip-flop;
Said reverser carries out reverse process with the signal of the zero cross detection circuit output of correspondence, and the output signal is to said rest-set flip-flop;
Said rest-set flip-flop receives the signal of said reverser and the output of said the 3rd OR-NOT circuit, carries out logical process, and the output signal is to said four nor gate circuit;
Said four nor gate circuit receives the signal of said rest-set flip-flop output, receives the signal of corresponding zero cross detection circuit output simultaneously, carries out NOR-logic and handles, and the output signal is to said the 5th OR-NOT circuit;
Said the 5th OR-NOT circuit receives the signal of said four nor gate circuit output, receives the power detection signal of said power sense circuit (13) output simultaneously, carries out NOR-logic and handles, and the output signal is to said impact damper;
Said impact damper receives the signal of said the 5th OR-NOT circuit output, carries out exporting after the buffered.
4. motorcycle pressure regulator special IC according to claim 3; It is characterized in that: arbitrary zero cross detection circuit includes the comparer and second reverser; Wherein, comparer outputed to second reverser after the clamper signal that the clamping circuit of correspondence is exported is carried out zero balancing; Output detection signal was to said second OR-NOT circuit, said reverser and said four nor gate circuit after second reverser carried out reverse process with the signal of receiving.
5. according to claim 2,3 or 4 described motorcycle pressure regulator special ICs; It is characterized in that: arbitrary clamping circuit includes current-limiting resistance, first diode and second diode; Wherein, One end of current-limiting resistance connects corresponding signal input part, the plus earth of first diode, and the negative pole of second diode connects the output terminal of power supply (9); The negative pole of the other end of current-limiting resistance and first diode and the positive pole of second diode are connected, and their connected node is connected with corresponding channel logic circuit with corresponding zero cross detection circuit simultaneously.
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| CN201210184747.8A CN102692944B (en) | 2012-06-06 | 2012-06-06 | Integrated circuit special for motorcycle voltage regulator |
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| CN201210184747.8A CN102692944B (en) | 2012-06-06 | 2012-06-06 | Integrated circuit special for motorcycle voltage regulator |
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| CN102692944B CN102692944B (en) | 2014-01-15 |
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| CN103257666A (en) * | 2013-06-06 | 2013-08-21 | 重庆三信电子股份有限公司 | Special integrated circuit for single-phase MOS voltage regulator for motorcycle |
| CN103268132A (en) * | 2013-06-06 | 2013-08-28 | 重庆三信电子股份有限公司 | Application-specific integrated circuit for motorcycle MOS voltage regulator |
| CN106155154A (en) * | 2015-03-31 | 2016-11-23 | 无锡迈尔斯通集成电路有限公司 | A kind of motorcycle short-circuit type MOS voltage regulator system |
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| CN106155154B (en) * | 2015-03-31 | 2018-09-25 | 无锡迈尔斯通集成电路有限公司 | A kind of automobile-used short-circuit type MOS voltage regulator system of motor |
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|---|---|
| CN102692944B (en) | 2014-01-15 |
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