CN103268132B - Motorcycle MOS voltage regulator special IC - Google Patents
Motorcycle MOS voltage regulator special IC Download PDFInfo
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Abstract
The invention discloses motorcycle MOS voltage regulator special IC, it is characterized in that: this integrated circuit comprises power end, earth terminal, the first to the 3rd signal input part, adjustment voltage detecting end, overvoltage test side, power control terminal, the first to the 3rd output terminal, and integrated circuit is carried out to following circuit, these circuit comprise: the first to third channel control module, overvoltage detection circuit, adjustment voltage detecting circuit, power control circuit, low-voltage starting circuit and power circuit; Overvoltage test side voltage and benchmark comparative voltage compare by described overvoltage detection circuit, comparative result are outputted to the first to third channel control module and power control circuit; Adjustment voltage detecting terminal voltage and benchmark comparative voltage compare by described adjustment voltage detecting circuit, comparative result are outputted to the first to third channel control module and power control circuit; The present invention can be widely used in all kinds of MOS voltage regulator.
Description
Technical field
The present invention relates to integrated circuit, be specifically related to motorcycle MOS voltage regulator special IC.
Background technology
Motorcycle is the modern important vehicles, and existing MOSFET pressure regulator is parallel pressure regulator, utilizes power MOS (Metal Oxide Semiconductor) device to replace the Voltage Cortrol device of controllable silicon as pressure regulator.Due to a metal-oxide-semiconductor conduction voltage drop order of magnitude less of controllable silicon, therefore significantly can reduce the thermal load of pressure regulator, be easy to make high-power pressure regulator; The reduction of thermal load improves pressure regulator reliability on the one hand, also can significantly reduce pressure regulator volume on the other hand, reduces resource consumption.But because MOSFET regulator circuit is complicated, adopt separation circuit cost higher, technology difficulty is large, make this technology never universal.Therefore, design specialized production of integrated circuits MOSFET pressure regulator is the effective way of workout cost and technological problems.
Summary of the invention
Technical matters to be solved by this invention is to provide that a kind of cost is low, technique is simple, function admirable and have the motorcycle MOS voltage regulator special IC of power control function.
In order to solve the problems of the technologies described above, according to technical scheme of the present invention, motorcycle MOS voltage regulator special IC, be characterized in: this integrated circuit comprises power end, earth terminal GND, first signal input part, secondary signal input end, 3rd signal input part, adjustment voltage detecting end, overvoltage test side, power control terminal, first output terminal, second output terminal and the 3rd output terminal, and integrated circuit is carried out to following circuit, these circuit comprise: first passage control module, second channel control module, third channel control module, overvoltage detection circuit, adjustment voltage detecting circuit, power control circuit, low-voltage starting circuit and power circuit,
Overvoltage test side voltage and benchmark comparative voltage compare by described overvoltage detection circuit, comparative result are outputted to first passage control module, second channel control module, third channel control module and power control circuit;
Adjustment voltage detecting terminal voltage and benchmark comparative voltage compare by described adjustment voltage detecting circuit, comparative result are outputted to first passage control module, second channel control module, third channel control module and power control circuit;
Power control circuit receives the output signal of overvoltage detection circuit and adjustment voltage detecting circuit, when overvoltage test side voltage and adjustment voltage detecting terminal voltage are all lower than benchmark comparative voltage, power control circuit exports cut-off signals to power control terminal, does not power to control accumulator jar to power end;
Low-voltage starting circuit detects power end voltage, and output detections signal is to described first passage control module, second channel control module, third channel control module; When power end voltage is lower than startup threshold values, controls first passage control module, second channel control module and third channel control module and export zero level; First metal-oxide-semiconductor of pressure regulator, the second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor are ended;
The voltage signal that first passage control module, second channel control module export respectively by the first signal input part, secondary signal input end and the 3rd signal input part reception magnetic motor for motorcycle first, second, and third mutually with third channel control module, and receive simultaneously overvoltage detection circuit, adjustment voltage detecting circuit and low-voltage starting circuit export signal, carry out logical process, generate control signal, export respectively by the first output terminal, the second output terminal and the 3rd output terminal; To control the first metal-oxide-semiconductor of pressure regulator, the second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor conducting or cut-off respectively.
In the present invention, channel control module is by overvoltage detection circuit, adjustment voltage detecting circuit and low-voltage starting circuit co-controlling; By arranging overvoltage detection circuit, when without accumulator jar state, if when pressure regulator output voltage is greater than overvoltage protection voltage, overvoltage test side voltage is greater than benchmark comparative voltage, first output terminal, the second output terminal and the 3rd output terminal export high level, make metal-oxide-semiconductor conducting, pressure regulator exports and is reduced to no-voltage at once, and protection load is from overvoltage impact; Overvoltage protection voltage adjusts the intrinsic standoff ratio of pressure regulator output voltage by integrated circuit peripheral sample resistance, and overvoltage protection voltage is set to about 25V usually, much larger than adjustment voltage.By arranging adjustment voltage detecting circuit, when pressure regulator output voltage is less than adjustment voltage, namely adjust voltage detecting terminal voltage and be less than benchmark comparative voltage, channel control module output low level, this corresponding metal-oxide-semiconductor turns off, this phase exports is charged to load by pressure regulator, once charging, this phase must complete the charging of whole positive half cycle voltage until phase voltage is by just to negative zero passage; In like manner, if pressure regulator output voltage is greater than adjustment voltage, this corresponding metal-oxide-semiconductor conducting, pressure regulator does not charge to load; Adjustment voltage also adjusts the intrinsic standoff ratio of pressure regulator output voltage by integrated circuit peripheral sample resistance; By arranging low-voltage starting circuit, when power end voltage is lower than startup threshold values, controls the cut-off of the first metal-oxide-semiconductor of pressure regulator, the second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor, can not damage when pressure regulator is started, improve the reliability of pressure regulator; And; by arranging power control circuit; when overvoltage test side voltage and adjustment voltage detecting terminal voltage are all lower than benchmark comparative voltage; power control circuit exports cut-off signals to power control terminal; can realize when motorcycle engine does not work, control accumulator jar not to this integrated circuit, the quiescent current of pressure regulator is reduced; protect accumulator jar, extend the serviceable life of accumulator jar.
According to a preferred version of motorcycle voltage regulator special IC of the present invention, this integrated circuit also comprises temperature compensation end and reference source circuit;
Described reference source circuit produces reference voltage and current source, and reference voltage is exported by temperature compensation end, and simultaneously as overvoltage detection circuit and the benchmark comparative voltage adjusting voltage detecting circuit.
The present invention produces reference voltage by reference source circuit, reference voltage carries out temperature compensation by a resistance external between temperature compensation end and power end, make pressure regulator output voltage temperature coefficient close to zero, pressure regulator stable performance, various environment for use conditional request can be met.
According to a preferred version of motorcycle MOS voltage regulator special IC of the present invention, first passage control module comprises the first zero cross detection circuit, first passage control circuit and the first output driving circuit; Second channel control module comprises the second zero cross detection circuit, second channel control circuit and the second output driving circuit; Third channel control module comprises the 3rd zero cross detection circuit, third channel control circuit and the 3rd output driving circuit;
Described first zero cross detection circuit receives the voltage signal that magnetic motor for motorcycle first-phase exports, and carries out zero passage detection, and testing result is outputted to described first passage control circuit;
Described second zero cross detection circuit receives the voltage signal that magnetic motor for motorcycle second-phase exports, and carries out zero passage detection, and testing result is outputted to described second channel control circuit;
Described 3rd zero cross detection circuit receives the voltage signal that magnetic motor for motorcycle third phase exports, and carries out zero passage detection, and testing result is outputted to described third channel control circuit;
Described first passage control circuit receives the voltage signal of magnetic motor for motorcycle first-phase output and the signal of described first zero cross detection circuit output, receive the voltage detection signal that described low-voltage starting circuit exports, receive the signal of overvoltage detection circuit and the output of adjustment voltage detecting circuit simultaneously, carry out logical process, generate control signal, output to the first output driving circuit; First output driving circuit is exported by the first output terminal after carrying out amplification process to signal; To control the first metal-oxide-semiconductor conducting or cut-off of pressure regulator;
Described second channel control circuit receives the voltage signal of magnetic motor for motorcycle second-phase output and the signal of described second zero cross detection circuit output, receive the voltage detection signal that described low-voltage starting circuit exports, receive the signal of overvoltage detection circuit and the output of adjustment voltage detecting circuit simultaneously, carry out logical process, generate control signal, output to the second output driving circuit; Second output driving circuit is exported by the second output terminal after carrying out amplification process to signal; To control the second metal-oxide-semiconductor conducting or cut-off of pressure regulator;
Described third channel control circuit receives the voltage signal of magnetic motor for motorcycle third phase output and the signal of described 3rd zero cross detection circuit output, receive the voltage detection signal that described low-voltage starting circuit exports, receive the signal of overvoltage detection circuit and the output of adjustment voltage detecting circuit simultaneously, carry out logical process, generate control signal, output to the 3rd output driving circuit; 3rd output driving circuit is exported by the 3rd output terminal after carrying out amplification process to signal; To control the 3rd metal-oxide-semiconductor conducting or cut-off of pressure regulator.
The present invention adopts zero passage voltage regulating mode, effectively can improve the charging ability of system, suppresses the electromagnetic interference (EMI) of system, reduces pressure regulator thermal load; Reduce negative pulse peak current on commutation diode, improve the reliability of pressure regulator.
According to a preferred version of motorcycle MOS voltage regulator special IC of the present invention, described power control circuit comprises Sheffer stroke gate IC1 and twelvemo closes pipe M12, Sheffer stroke gate IC1 receives the output signal of described overvoltage detection circuit and described adjustment voltage detecting circuit, the output of Sheffer stroke gate IC1 closes pipe M12 for twelvemo provides drive singal, when the output of described overvoltage detection circuit and described adjustment voltage detecting circuit is high level, namely, when motorcycle engine does not work, control twelvemo and close pipe M12 not conducting.
According to a preferred version of motorcycle MOS voltage regulator special IC of the present invention, described reference source circuit comprises the 14, the 15 switching tube, resistance and stabilivolt, 15 switching tube and resistant series connect and compose current source, this current source is by the 14 switching tube for stabilivolt provides bias current, and one end of stabilivolt connects temperature compensation end.
The beneficial effect of motorcycle MOS voltage regulator special IC of the present invention is: the present invention effectively can improve the charging ability of system, suppresses the electromagnetic interference (EMI) of system; Circuit has temperature compensation function, has slow-speed of revolution defencive function and over-voltage protecting function; When without accumulator jar state, load can be protected from overvoltage impact; When motorcycle engine does not work, accumulator jar can be controlled not to this integrated circuit, the quiescent current of pressure regulator be reduced, protects accumulator jar, extend the serviceable life of accumulator jar; After adopting the present invention, pressure regulator output voltage stabilization, thermal load is low; There is the advantage that technique is simple, cost is low, reliability is high, antijamming capability is strong; Can be widely used in all kinds of MOS voltage regulator.
Accompanying drawing explanation
Fig. 1 is motorcycle MOS voltage regulator special IC Principle and application block scheme of the present invention.
Fig. 2 is the theory diagram of motorcycle MOS voltage regulator special IC of the present invention.
Fig. 3 is the schematic diagram of power circuit 109 of the present invention and reference source circuit 108.
Fig. 4 is the schematic diagram of power control circuit 106.
Embodiment
See Fig. 1 and Fig. 2, motorcycle MOS voltage regulator special IC, is characterized in that:
Comprise power end VDD, earth terminal GND, first signal input part IN1, secondary signal input end IN2, 3rd signal input part IN3, adjustment voltage detecting end VAJ, overvoltage test side VLM, power control terminal VST, first output terminal OUT1, second output terminal OUT2 and the 3rd output terminal OUT3, and integrated circuit is carried out to following circuit, these circuit comprise: first passage control module 101, second channel control module 102, third channel control module 103, overvoltage detection circuit 104, adjustment voltage detecting circuit 105, power control circuit 106, low-voltage starting circuit 107 and power circuit 109,
Overvoltage test side VLM voltage and benchmark comparative voltage compare by described overvoltage detection circuit 104, comparative result are outputted to first passage control module 101, second channel control module 102, third channel control module 103 and power control circuit 106;
Adjustment voltage detecting end VAJ voltage and benchmark comparative voltage compare by described adjustment voltage detecting circuit 105, comparative result are outputted to first passage control module 101, second channel control module 102, third channel control module 103 and power control circuit 106;
Power control circuit 106 receives the output signal of overvoltage detection circuit 104 and adjustment voltage detecting circuit 105, when overvoltage test side VLM voltage and adjustment voltage detecting end VAJ voltage are all lower than benchmark comparative voltage, power control circuit 106 exports cut-off signals to power control terminal VST, controls accumulator jar not to this integrated circuit;
Low-voltage starting circuit 107 pairs of power end vdd voltages detect, and output detections signal is to described first passage control module 101, second channel control module 102, third channel control module 103; When power end vdd voltage is lower than startup threshold values, make the first output terminal OUT1, the second output terminal OUT2 and the 3rd output terminal OUT3 output low level, the first metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2 and the 3rd metal-oxide-semiconductor M3 that control pressure regulator end;
The voltage signal that first passage control module 101, second channel control module 102 export respectively by the first signal input part IN1, secondary signal input end IN2 and the 3rd signal input part IN3 reception magnetic motor for motorcycle first, second, and third mutually with third channel control module 103, and simultaneously receive overvoltage detection circuit 104, adjustment voltage detecting circuit 105 and low-voltage starting circuit 107 export signal, carry out logical process, generate control signal, export respectively by the first output terminal OUT1, the second output terminal OUT2 and the 3rd output terminal OUT3; To control the first metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2 and the 3rd metal-oxide-semiconductor M3 conducting or the cut-off of pressure regulator respectively.
In a particular embodiment, this integrated circuit also comprises temperature compensation end VREF and reference source circuit 108;
Described reference source circuit 108 produces reference voltage and current source, and reference voltage is exported by temperature compensation end VREF, and simultaneously as overvoltage detection circuit 104 and the benchmark comparative voltage adjusting voltage detecting circuit 105.
In a particular embodiment, see Fig. 2, first passage control module 101 comprises the first zero cross detection circuit 111, first passage control circuit 112 and the first output driving circuit 113; Second channel control module 102 comprises the second zero cross detection circuit 121, second channel control circuit 122 and the second output driving circuit 123; Third channel control module 103 comprises the 3rd zero cross detection circuit 131, third channel control circuit 132 and the 3rd output driving circuit 133;
Described first zero cross detection circuit 111 receives the voltage signal that magnetic motor for motorcycle first-phase exports, and carries out zero passage detection, and testing result is outputted to described first passage control circuit 112;
Described second zero cross detection circuit 121 receives the voltage signal that magnetic motor for motorcycle second-phase exports, and carries out zero passage detection, and testing result is outputted to described second channel control circuit 122;
Described 3rd zero cross detection circuit 131 receives the voltage signal that magnetic motor for motorcycle third phase exports, and carries out zero passage detection, and testing result is outputted to described third channel control circuit 132;
Described first passage control circuit 112 receives the voltage signal of magnetic motor for motorcycle first-phase output and the signal of described first zero cross detection circuit 111 output, receive the voltage detection signal that described low-voltage starting circuit 107 exports, receive the signal of overvoltage detection circuit 104 and the output of adjustment voltage detecting circuit 105 simultaneously, carry out logical process, generate control signal, output to the first output driving circuit 113; First output driving circuit 113 pairs signal is exported by the first output terminal OUT1 after carrying out amplification process; To control the first metal-oxide-semiconductor M1 conducting or cut-off of pressure regulator;
Described second channel control circuit 122 receives the voltage signal of magnetic motor for motorcycle second-phase output and the signal of described second zero cross detection circuit 121 output, receive the voltage detection signal that described low-voltage starting circuit 107 exports, receive the signal of overvoltage detection circuit 104 and the output of adjustment voltage detecting circuit 105 simultaneously, carry out logical process, generate control signal, output to the second output driving circuit 123; Second output driving circuit 123 pairs signal is exported by the second output terminal OUT2 after carrying out amplification process; To control the second metal-oxide-semiconductor M2 conducting or cut-off of pressure regulator;
Described third channel control circuit 132 receives the voltage signal of magnetic motor for motorcycle third phase output and the signal of described 3rd zero cross detection circuit 131 output, receive the voltage detection signal that described low-voltage starting circuit 107 exports, receive the signal of overvoltage detection circuit 104 and the output of adjustment voltage detecting circuit 105 simultaneously, carry out logical process, generate control signal, output to the 3rd output driving circuit 133; 3rd output driving circuit 133 pairs signal is exported by the 3rd output terminal OUT3 after carrying out amplification process; To control the 3rd metal-oxide-semiconductor M3 conducting or cut-off of pressure regulator.
Adopt zero cross detection circuit, if accumulator jar voltage is lower than adjustment voltage, often inputting by when bearing positive zero passage mutually, magneto generator exports mutually and starts accumulator jar charging, when by just to end of charging during negative zero passage.And once charging, even if accumulator jar voltage exceedes pressure regulation voltage, the charging of this phase also can not terminate.
Namely; When whether the output mutually of magneto generator depend on this phase voltage zero passage to accumulator jar charging, whether accumulator jar voltage is greater than adjustment voltage.If be greater than adjustment voltage, this phase metal-oxide-semiconductor conducting, by phase and ground short circuit, this phase can not be charged to accumulator jar; If be less than adjustment voltage, this phase metal-oxide-semiconductor turns off, and charges to accumulator jar.
Once magneto generator exports accumulator jar charging mutually, the output of this phase is just irrelevant with accumulator jar voltage, and namely metal-oxide-semiconductor can not conducting, until phase voltage zero passage.
In a particular embodiment, the optimum configurations of circuit is specially:
Overvoltage detection circuit 104 and adjustment voltage detecting circuit 105 adopt identical benchmark comparative voltage VREF, and benchmark comparative voltage VREF is produced by reference source circuit 108, is about 5.2V; When applying, adjustment sample resistance R17, R18 are to the intrinsic standoff ratio of pressure regulator output voltage VO UT, and when making pressure regulator output voltage VO UT be greater than about 14.5V, adjustment voltage detecting circuit 105 exports as low level, otherwise exports high level; Adjust sample resistance R19, R20 to the intrinsic standoff ratio of pressure regulator output voltage VO UT, when making pressure regulator output voltage VO UT be greater than about 25V, overvoltage detection circuit 104 output low level, otherwise export high level.
The output signal LST of low-voltage starting circuit 107: when power end vdd voltage is lower than startup threshold values, LST is 1 level, and during higher than startup threshold value, LST is 0 level.
It is 1 level that the output signal COUT of zero cross detection circuit: when input signal IN is greater than 10mV, COUT export, and input signal IN is less than-10mV, and it is 0 level that COUT exports.
The output signal ADJ of adjustment voltage detecting circuit 105: when adjustment voltage detecting end VAJ input is greater than 5.2V, when namely pressure regulator output voltage VO UT is greater than 14.5V, ADJ end is 0 level, and when pressure regulator output voltage VO UT is less than 14.5V, ADJ end is 1 level.
The output signal VLIM of overvoltage detection circuit 104: VLM is greater than 5.2V when overvoltage test side, when namely pressure regulator output voltage VO UT is greater than 25V, VLIM end is 0 level, and when pressure regulator output voltage VO UT is less than 25V, VLIM end is 1 level.
Truth table:
| LST | COUT | VLIM | ADJ | IN+ | Export OUT |
| 1 | X | X | X | X | 0 |
| 0 | 0 | X | X | X | 1 |
| 0 | 1 | 0 | X | X | 1 |
| 0 | 1 | 1 | 0 | 1 | Maintain former output |
| 0 | 1 | 1 | 1 | 1 | 0 |
In table, OUT is that respective channel control module exports; IN+ is phase input signal; Arrange when phase input signal is greater than about 7V, IN+ is 1;
In truth table, the 1st row represents: if when power end vdd voltage is lower than startup threshold values, LST signal is 1, and channel control module exports and is always 0, has nothing to do with other signal;
In truth table, the 2nd row represents: when power end vdd voltage is higher than startup threshold values, if input signal IN is less than-10mV, it is 1 that channel control module exports;
In truth table, the 3rd row represents: when power end vdd voltage is higher than startup threshold values, if input signal IN is greater than 10mV, when pressure regulator output voltage VO UT is greater than 25V, it is 1 that channel control module exports; In truth table, the 4th row represents: when power end vdd voltage is higher than startup threshold values, input signal IN is greater than 10mV, and pressure regulator output voltage VO UT is greater than 14.5V but is less than 25V, and when IN+ is 1, channel control module maintains former output;
In truth table, the 5th row represents: when power end vdd voltage higher than startup threshold values time, input signal IN be greater than 10mV and IN+ is 1 time, pressure regulator output voltage VO UT is less than 14.5V, channel control module export be 0.
In comprehensive truth table, the 4th row and the 5th row, show pressure regulator zero passage Adjustment Performance.
In a particular embodiment, see Fig. 4, described power control circuit 106 is by Sheffer stroke gate IC1, twelvemo is closed pipe M12 and resistance R6 and is formed, Sheffer stroke gate IC1 receives the output signal of described overvoltage detection circuit 104 and described adjustment voltage detecting circuit 105, the output of Sheffer stroke gate IC1 closes pipe M12 for twelvemo provides drive singal, when the output of described overvoltage detection circuit 104 and described adjustment voltage detecting circuit 105 is high level, control twelvemo and close pipe M12 not conducting, described twelvemo closes pipe M12 can adopt NMOS tube, the grid level of this NMOS tube connects the output of Sheffer stroke gate IC1, source class and Substrate ground, leak level and meet power control terminal VST by resistance R6, power control terminal VST is connected with the base stage of outside PNP pipe Q1 by integrated circuit external resistance, namely this NMOS tube provides drive current for PNP pipe Q1, accumulator jar is integrated circuit by PNP pipe Q1.
Its principle of work is: when motorcycle engine does not work, the output voltage of pressure regulator is accumulator jar voltage, maximumly be no more than 13.2V, lower than adjustment voltage, usual adjustment voltage is about 14.5V, now, overvoltage test side VLM voltage and adjustment voltage detecting end VAJ voltage are lower than benchmark comparative voltage VREF, it is 1 level that overvoltage voltage detecting circuit 104 and adjustment voltage detecting circuit 105 all export, it is 0 level that Sheffer stroke gate IC1 exports, twelvemo closes pipe M12 not conducting, make external PNP pipe not conducting, accumulator jar can not provide electric current to integrated circuit, pressure regulator static working current is very little.
When the voltage of output voltage regulator is greater than adjustment voltage or overvoltage protection voltage, in overvoltage detection circuit 104 and adjustment voltage detecting circuit 105, a circuit is had at least to export zero level.Sheffer stroke gate IC1 exports as high level, and twelvemo closes pipe M12 conducting, and output voltage regulator is by external PNP pipe supplying intergrated circuit with electricity.
By this circuit, pressure regulator static working current can be reduced, pressure regulator can not be affected simultaneously and normally work.
In a particular embodiment, see Fig. 3, described reference source circuit 108 by the 4th, the 5th, the 14, the 15 switching tube, resistance R4, R5 and stabilivolt Z1 form, the 4th, the 14, the 15 switching tube is PMOS, the 5th switching tube is NMOS tube; The substrate of the 15 switching tube M15 is connected with power end VDD, and the grid of the 15 switching tube M15 is connected with drain electrode; The drain electrode of the 15 switching tube is connected with the grid of the 14 switching tube; Power end VDD by the source-drain electrodes of the 15 switching tube M15 and resistance R4, R5 of being connected in series to ground; Meanwhile, power end VDD also by the source-drain electrodes of the 14 switching tube and stabilivolt Z1 to; 15 switching tube M15 and resistance R4, R5 form current source, and this current source is by the 14 switching tube for stabilivolt Z1 provides bias current, and one end of stabilivolt Z1 connects temperature compensation end VREF.
This circuit adopts the simplest current source module, and current source is connected in series by the 15 switching tube and resistance R4, R5 and forms, and passing ratio mode provides biased for stabilivolt Z1, and is assigned to other current source.The reference voltage of this circuit is provided by stabilivolt Z1, at about 5.2V, and is exported by temperature compensation end VREF.This circuit can ensure that reference voltage has temperature compensation function, and the resistance connecting a hundreds of K at temperature compensation end VREF to power end VDD can also adjust the temperature coefficient of reference source.The less reference source of external resistance more tends to positive temperature coefficient (PTC), and the larger reference source of resistance more tends to negative temperature coefficient.
Power circuit 109 comprises resistance R1 ~ R3, diode D1 ~ D3, comparer B1 and metal-oxide-semiconductor M13, and wherein, comparer B1 and metal-oxide-semiconductor M13 forms shunt regulator, and stabilivolt Z1 provides the reference power supply being about 5.2V.After power end vdd voltage is by resistance R4, R5 dividing potential drop, be greater than the voltage of voltage regulation 5.2V of stabilivolt Z1, comparer B1 controls metal-oxide-semiconductor M13 conducting, makes the voltage of VDD be less than 16V all the time.
Power end vdd voltage provides mainly through external diode D12 ~ D14 and current-limiting resistance R11.The phase line P1 of motor, P2, P3 by resistance R14 ~ R16 to IN1, IN2, IN3, more also can provide power supply by internal body diodes D1 ~ D3, but due to resistance R14 ~ R16 very greatly, current capacity is poor, and VDD can only be made to reach trigger voltage.
Compared with the technical scheme that the present invention and application number are 201210184747.8, by increasing power control terminal VST, temperature compensation end VREF and power control circuit 106, when motorcycle engine does not work, power control circuit 106 exports cut-off signals to power control terminal VST, control accumulator jar not to this integrated circuit, the quiescent current of pressure regulator is reduced, protects accumulator jar, extend the serviceable life of accumulator jar; The present invention has temperature compensation function, and enable pressure regulator adapt to various environment temperature, output voltage is more stable.
Claims (4)
1. motorcycle MOS voltage regulator special IC, is characterized in that:
This integrated circuit comprises power end (VDD), earth terminal (GND), first signal input part (IN1), secondary signal input end (IN2), 3rd signal input part (IN3), adjustment voltage detecting end (VAJ), overvoltage test side (VLM), power control terminal (VST), first output terminal (OUT1), second output terminal (OUT2) and the 3rd output terminal (OUT3), and integrated circuit is carried out to following circuit, these circuit comprise: first passage control module (101), second channel control module (102), third channel control module (103), overvoltage detection circuit (104), adjustment voltage detecting circuit (105), power control circuit (106), low-voltage starting circuit (107) and power circuit (109),
Overvoltage test side (VLM) voltage and benchmark comparative voltage compare by described overvoltage detection circuit (104), comparative result are outputted to first passage control module (101), second channel control module (102), third channel control module (103) and power control circuit (106);
Described adjustment voltage detecting circuit (105) will adjust voltage detecting end (VAJ) voltage and benchmark comparative voltage compares, and comparative result is outputted to first passage control module (101), second channel control module (102), third channel control module (103) and power control circuit (106);
Power control circuit (106) receives the output signal of overvoltage detection circuit (104) and adjustment voltage detecting circuit (105), when overvoltage test side (VLM) voltage and adjustment voltage detecting end (VAJ) voltage are all lower than benchmark comparative voltage, power control circuit (106) exports cut-off signals to power control terminal (VST), controls accumulator jar and does not power to power end (VDD);
Low-voltage starting circuit (107) detects power end (VDD) voltage, and output detections signal is to described first passage control module (101), second channel control module (102), third channel control module (103); When power end (VDD) voltage is lower than startup threshold values, controls first passage control module (101), second channel control module (102) and third channel control module (103) and export zero level;
First passage control module (101), second channel control module (102) and third channel control module (103) are respectively by the first signal input part (IN1), secondary signal input end (IN2) and the 3rd signal input part (IN3) receive magnetic motor for motorcycle first, second and third phase export voltage signal, and receive overvoltage detection circuit (104) simultaneously, the signal that adjustment voltage detecting circuit (105) and low-voltage starting circuit (107) export, carry out logical process, generate control signal, respectively by the first output terminal (OUT1), second output terminal (OUT2) and the 3rd output terminal (OUT3) export,
This integrated circuit also comprises temperature compensation end (VREF) and reference source circuit (108);
Described reference source circuit (108) produces reference voltage and current source, reference voltage is exported by temperature compensation end (VREF), and simultaneously as overvoltage detection circuit (104) and the benchmark comparative voltage adjusting voltage detecting circuit (105).
2. motorcycle MOS voltage regulator special IC according to claim 1, is characterized in that:
First passage control module (101) comprises the first zero cross detection circuit (111), first passage control circuit (112) and the first output driving circuit (113); Second channel control module (102) comprises the second zero cross detection circuit (121), second channel control circuit (122) and the second output driving circuit (123); Third channel control module (103) comprises the 3rd zero cross detection circuit (131), third channel control circuit (132) and the 3rd output driving circuit (133);
Described first zero cross detection circuit (111) receives the voltage signal that magnetic motor for motorcycle first-phase exports, and carries out zero passage detection, and testing result is outputted to described first passage control circuit (112);
Described second zero cross detection circuit (121) receives the voltage signal that magnetic motor for motorcycle second-phase exports, and carries out zero passage detection, and testing result is outputted to described second channel control circuit (122);
Described 3rd zero cross detection circuit (131) receives the voltage signal that magnetic motor for motorcycle third phase exports, and carries out zero passage detection, and testing result is outputted to described third channel control circuit (132);
The voltage signal that described first passage control circuit (112) reception magnetic motor for motorcycle first-phase exports and the signal that described first zero cross detection circuit (111) exports, receive the detection signal that described low-voltage starting circuit (107) exports, receive overvoltage detection circuit (104) and adjustment voltage detecting circuit (105) signal that exports simultaneously, carry out logical process, generate control signal, output to the first output driving circuit (113); First output driving circuit (113) is exported by the first output terminal (OUT1) after carrying out amplification process to signal;
The voltage signal that described second channel control circuit (122) reception magnetic motor for motorcycle second-phase exports and the signal that described second zero cross detection circuit (121) exports, receive the detection signal that described low-voltage starting circuit (107) exports, receive overvoltage detection circuit (104) and adjustment voltage detecting circuit (105) signal that exports simultaneously, carry out logical process, generate control signal, output to the second output driving circuit (123); Second output driving circuit (123) is exported by the second output terminal (OUT2) after carrying out amplification process to signal;
The voltage signal that described third channel control circuit (132) reception magnetic motor for motorcycle third phase exports and the signal that described 3rd zero cross detection circuit (131) exports, receive the detection signal that described low-voltage starting circuit (107) exports, receive overvoltage detection circuit (104) and adjustment voltage detecting circuit (105) signal that exports simultaneously, carry out logical process, generate control signal, output to the 3rd output driving circuit (133); 3rd output driving circuit (133) is exported by the 3rd output terminal (OUT3) after carrying out amplification process to signal.
3. motorcycle MOS voltage regulator special IC according to claim 1 and 2, is characterized in that:
Described power control circuit (106) comprises Sheffer stroke gate (IC1) and twelvemo closes pipe (M12), Sheffer stroke gate (IC1) receives the output signal of described overvoltage detection circuit (104) and described adjustment voltage detecting circuit (105), the output of Sheffer stroke gate (IC1) is that twelvemo pass pipe (M12) provides drive singal, when the output of described overvoltage detection circuit (104) and described adjustment voltage detecting circuit (105) is high level, controls twelvemo and close pipe (M12) not conducting.
4. motorcycle MOS voltage regulator special IC according to claim 3, it is characterized in that: described reference source circuit (108) comprises the 14, the 15 switching tube, resistance and stabilivolt (Z1), 15 switching tube and resistant series connect and compose current source, this current source is that stabilivolt (Z1) provides bias current by the 14 switching tube, and one end of stabilivolt (Z1) connects temperature compensation end (VREF).
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| CN201310221740.3A CN103268132B (en) | 2013-06-06 | 2013-06-06 | Motorcycle MOS voltage regulator special IC |
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| CN103268132B true CN103268132B (en) | 2015-11-11 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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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 |
| CN106055003B (en) * | 2016-07-06 | 2018-02-23 | 重庆长安汽车股份有限公司 | A kind of constant-current control circuit |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2275762Y (en) * | 1996-12-16 | 1998-03-04 | 金山耐酸泵有限公司 | Automatic disconnection switch for lead accumulator and service life increasing device |
| CN102692944A (en) * | 2012-06-06 | 2012-09-26 | 重庆三信电子股份有限公司 | Integrated circuit special for motorcycle voltage regulator |
| CN102819227A (en) * | 2012-09-17 | 2012-12-12 | 贵州大学 | Automobile voltage regulating circuit |
| CN203299681U (en) * | 2013-06-06 | 2013-11-20 | 重庆三信电子股份有限公司 | High-performance integrated circuit for motorcycle MOS voltage regulator |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10195883T1 (en) * | 2000-03-09 | 2003-05-08 | Ecoair Corp | Alternator system |
| JP4556926B2 (en) * | 2006-08-07 | 2010-10-06 | 株式会社デンソー | Vehicle power generation control device |
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2013
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2275762Y (en) * | 1996-12-16 | 1998-03-04 | 金山耐酸泵有限公司 | Automatic disconnection switch for lead accumulator and service life increasing device |
| CN102692944A (en) * | 2012-06-06 | 2012-09-26 | 重庆三信电子股份有限公司 | Integrated circuit special for motorcycle voltage regulator |
| CN102819227A (en) * | 2012-09-17 | 2012-12-12 | 贵州大学 | Automobile voltage regulating circuit |
| CN203299681U (en) * | 2013-06-06 | 2013-11-20 | 重庆三信电子股份有限公司 | High-performance integrated circuit for motorcycle MOS voltage regulator |
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Denomination of invention: Motorcycle MOS voltage regulator specific integrated circuit Effective date of registration: 20231226 Granted publication date: 20151111 Pledgee: Chongqing Bank Co.,Ltd. Jiulongpo Branch Pledgor: CHONGQING SANXIN ELECTRONIC Co.,Ltd. Registration number: Y2023500000109 |