CN203299681U - High-performance integrated circuit for motorcycle MOS voltage regulator - Google Patents
High-performance integrated circuit for motorcycle MOS voltage regulator Download PDFInfo
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- CN203299681U CN203299681U CN2013203247825U CN201320324782U CN203299681U CN 203299681 U CN203299681 U CN 203299681U CN 2013203247825 U CN2013203247825 U CN 2013203247825U CN 201320324782 U CN201320324782 U CN 201320324782U CN 203299681 U CN203299681 U CN 203299681U
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Abstract
The utility model discloses a high-performance integrated circuit for a motorcycle MOS voltage regulator. The high-performance integrated circuit for the motorcycle MOS voltage regulator is characterized by comprising a power supply end, a grounding end, a first signal input end, a second signal input end, a third signal input end, an adjustment voltage detection end, an overvoltage detection end, a power supply control end, a first output end, a second output end, a third output end, and a circuit used for integrating the following circuits: a first channel control module, a second channel control module, a third channel control module, an overvoltage detection circuit, an adjustment voltage detection circuit, a power supply control circuit, a low-voltage starting circuit and a power supply circuit, wherein the overvoltage detection circuit compares the voltage of overvoltage detection end with a reference comparasion voltage and outputs the comparison result to the first channel control module, the second channel control module, the third channel control module and the power supply control circuit, and the adjustment voltage detection circuit compares the voltage of the adjustment voltage detection end with the reference comparasion voltage and outputs the comparison result to the first channel control module, the second channel control module, the third channel control module and the power supply control circuit. The high-performance integrated circuit for the motorcycle MOS voltage regulator can be widely applied to various MOS voltage regulators.
Description
Technical field
The utility model relates to integrated circuit, is specifically related to motorcycle MOS pressure regulator high-performance 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 adjuster spare of controllable silicon as pressure regulator.Than the little order of magnitude of controllable silicon, therefore the thermal load of energy decrease pressure regulator, be easy to make high-power pressure regulator due to the metal-oxide-semiconductor conduction voltage drop; The reduction of thermal load has improved the pressure regulator reliability on the one hand, also can significantly reduce the pressure regulator volume on the other hand, reduces resource consumption.But, because the MOSFET regulator circuit is complicated, adopt the separation circuit cost higher, technology difficulty is large, makes this technology never universal.Therefore, design specialized production of integrated circuits MOSFET pressure regulator is the effective way of workout cost and technological problems.
The utility model content
Technical problem to be solved in the utility model is to provide that a kind of cost is low, technique is simple, function admirable and have the motorcycle MOS pressure regulator high-performance special IC of power control function.
in order to solve the problems of the technologies described above, according to the technical solution of the utility model, motorcycle MOS pressure regulator high-performance special IC, be characterized in: this integrated circuit comprises power end, earth terminal GND, the first signal input end, the secondary signal input end, the 3rd signal input part, adjust the voltage detecting end, the overvoltage test side, power control terminal, the first output terminal, the second output terminal and the 3rd output terminal, and following circuit is carried out integrated circuit, these circuit comprise: the first passage control module, the second channel control module, the third channel control module, overvoltage detection circuit, adjust voltage detecting circuit, power control circuit, low-voltage starting circuit and power circuit,
Described overvoltage detection circuit compares overvoltage test side voltage and benchmark comparative voltage, and comparative result is outputed to first passage control module, second channel control module, third channel control module and power control circuit;
Described adjustment voltage detecting circuit will adjust the voltage detecting terminal voltage and the benchmark comparative voltage compares, and comparative result is outputed to first passage control module, second channel control module, third channel control module and power control circuit;
Power control circuit receives overvoltage detection circuit and adjusts the output signal of voltage detecting circuit, when overvoltage test side voltage with while adjusting the voltage detecting terminal voltage all lower than the benchmark comparative voltage, power control circuit output cut-off signals, to power control terminal, is not powered to power end to control accumulator jar;
Low-voltage starting circuit detects power end voltage, and output detection signal is to described first passage control module, second channel control module, third channel control module; When starting threshold values, control first passage control module, second channel control module and third channel control module output zero level when power end voltage; Make the first metal-oxide-semiconductor, the second metal-oxide-semiconductor and the cut-off of the 3rd metal-oxide-semiconductor of pressure regulator;
First passage control module, second channel control module and third channel control module receive by first signal input end, secondary signal input end and the 3rd signal input part the voltage signal that magnetic motor for motorcycle first, second, and third is exported mutually respectively, and receive simultaneously overvoltage detection circuit, adjust the signal of voltage detecting circuit and low-voltage starting circuit output, carry out logical process, generate control signal, respectively by the first output terminal, the second output terminal and the output of the 3rd output terminal; With the first metal-oxide-semiconductor, the second metal-oxide-semiconductor and the 3rd metal-oxide-semiconductor conducting or the cut-off of controlling respectively pressure regulator.
In the utility model, the passage control module is by overvoltage detection circuit, adjustment voltage detecting circuit and low-voltage starting circuit co-controlling; By overvoltage detection circuit is set, without the accumulator jar state time, if the pressure regulator output voltage is during greater than overvoltage protection voltage, overvoltage test side voltage is greater than the benchmark comparative voltage, the first output terminal, the second output terminal and the 3rd output terminal output high level, make the metal-oxide-semiconductor conducting, pressure regulator output is reduced to no-voltage at once, and the protection load is avoided overvoltage and impacted; Overvoltage protection voltage can recently be adjusted the dividing potential drop of pressure regulator output voltage by the peripheral sample resistance of integrated circuit, and overvoltage protection voltage is set to the 25V left and right usually, much larger than adjusting voltage.By the adjustment voltage detecting circuit is set, when the pressure regulator output voltage less than adjusting voltage, namely adjust the voltage detecting terminal voltage less than the benchmark comparative voltage, passage control module output low level, this corresponding metal-oxide-semiconductor turn-offs, this is exported by pressure regulator and charges to load mutually, in case charging, this must complete mutually whole positive half cycle voltage charging until phase voltage by just to negative zero passage; In like manner, if the pressure regulator output voltage greater than adjusting voltage, the metal-oxide-semiconductor conducting that this is corresponding, pressure regulator does not charge to load; Adjusting voltage also can recently adjust the dividing potential drop of pressure regulator output voltage by the peripheral sample resistance of integrated circuit; By low-voltage starting circuit is set, when starting threshold values, control the first metal-oxide-semiconductor, the second metal-oxide-semiconductor and the cut-off of the 3rd metal-oxide-semiconductor of pressure regulator when power end voltage, when being started, can not damage by pressure regulator, improved the reliability of pressure regulator; And; by power control circuit is set; when overvoltage test side voltage with while adjusting the voltage detecting terminal voltage all lower than the benchmark comparative voltage; power control circuit output cut-off signals is to power control terminal; can realize when motorcycle engine is not worked, control accumulator jar not to this integrated circuit power supply, the quiescent current of pressure regulator is reduced; protect accumulator jar, extended the serviceable life of accumulator jar.
According to a preferred version of motorcycle voltage regulator special IC described in the utility model, 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 by the output of temperature compensation end, and the while is as the benchmark comparative voltage of overvoltage detection circuit and adjustment voltage detecting circuit.
The utility model produces reference voltage by reference source circuit, reference voltage can carry out temperature compensation by an external resistance between temperature compensation end and power end, make the pressure regulator output voltage temperature coefficient approach zero, the pressure regulator stable performance, can meet various environment for use conditional requests.
According to a preferred version of motorcycle MOS pressure regulator high-performance special IC described in the utility model, the first passage control module comprises the first zero cross detection circuit, first passage control circuit and the first output driving circuit; The second channel control module comprises the second zero cross detection circuit, second channel control circuit and the second output driving circuit; The third channel control module comprises the 3rd zero cross detection circuit, third channel control circuit and the 3rd output driving circuit;
Described the first zero cross detection circuit receives the voltage signal of magnetic motor for motorcycle first-phase output, carries out zero passage detection, and testing result is outputed to described first passage control circuit;
Described the second zero cross detection circuit receives the voltage signal of magnetic motor for motorcycle second-phase output, carries out zero passage detection, and testing result is outputed to described second channel control circuit;
Described the 3rd zero cross detection circuit receives the voltage signal of magnetic motor for motorcycle third phase output, carries out zero passage detection, and testing result is outputed 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 the first zero cross detection circuit output, receive the voltage detection signal of described low-voltage starting circuit output, receive simultaneously overvoltage detection circuit and adjust the signal that voltage detecting circuit is exported, carry out logical process, generate control signal, output to the first output driving circuit; The first output driving circuit amplifies and processes the rear first output terminal output of passing through 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 the second zero cross detection circuit output, receive the voltage detection signal of described low-voltage starting circuit output, receive simultaneously overvoltage detection circuit and adjust the signal that voltage detecting circuit is exported, carry out logical process, generate control signal, output to the second output driving circuit; The second output driving circuit amplifies and processes the rear second output terminal output of passing through 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 the 3rd zero cross detection circuit output, receive the voltage detection signal of described low-voltage starting circuit output, receive simultaneously overvoltage detection circuit and adjust the signal that voltage detecting circuit is exported, carry out logical process, generate control signal, output to the 3rd output driving circuit; The 3rd output driving circuit amplifies and processes rear the 3rd output terminal output of passing through signal; To control the 3rd metal-oxide-semiconductor conducting or cut-off of pressure regulator.
The utility model adopts the zero passage voltage regulating mode, can effectively improve the charging ability of system, suppresses the electromagnetic interference (EMI) of system, reduces the pressure regulator thermal load; Reduce negative pulse peak current on commutation diode, improve the reliability of pressure regulator.
A preferred version according to motorcycle MOS pressure regulator high-performance special IC described in the utility model, described power control circuit comprises Sheffer stroke gate IC1 and twelvemo pass pipe M12, Sheffer stroke gate IC1 receives the output signal of described overvoltage detection circuit and described adjustment voltage detecting circuit, Sheffer stroke gate IC1 is output as twelvemo pass pipe M12 the driving signal is provided, when the output of described overvoltage detection circuit and described adjustment voltage detecting circuit is high level, be motorcycle engine while not working, control twelvemo and close not conducting of pipe M12.
A preferred version according to motorcycle MOS pressure regulator high-performance special IC described in the utility model, described reference source circuit comprises the 14, the 15 switching tube, resistance and stabilivolt, the 15 switching tube and resistance series connection connect and compose current source, this current source provides bias current by the 14 switching tube for stabilivolt, and an end of stabilivolt connects the temperature compensation end.
The beneficial effect of motorcycle MOS pressure regulator high-performance special IC described in the utility model is: the utility model can effectively 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; Without the accumulator jar state time, can protect load to avoid overvoltage and impact; When motorcycle engine is not worked, can control accumulator jar not to this integrated circuit power supply, the quiescent current of pressure regulator is reduced, protected accumulator jar, extended the serviceable life of accumulator jar; After adopting the utility model, the pressure regulator output voltage stabilization, thermal load is low; Have advantages of that technique is simple, cost is low, reliability is high, antijamming capability is strong; Can be widely used in all kinds of MOS pressure regulators.
Description of drawings
Fig. 1 is motorcycle MOS pressure regulator high-performance special IC Principle and application block scheme described in the utility model.
Fig. 2 is the theory diagram of motorcycle MOS pressure regulator high-performance special IC described in the utility model.
Fig. 3 is the schematic diagram of the utility model power circuit 109 and reference source circuit 108.
Fig. 4 is the schematic diagram of power control circuit 106.
Embodiment
Referring to Fig. 1 and Fig. 2, motorcycle MOS pressure regulator high-performance special IC is characterized in that:
comprise power end VDD, earth terminal GND, first signal input end IN1, secondary signal input end IN2, the 3rd signal input part IN3, adjust voltage detecting end VAJ, overvoltage test side VLM, power control terminal VST, the first output terminal OUT1, the second output terminal OUT2 and the 3rd output terminal OUT3, and following circuit is carried out integrated circuit, these circuit comprise: first passage control module 101, second channel control module 102, third channel control module 103, overvoltage detection circuit 104, adjust voltage detecting circuit 105, power control circuit 106, low-voltage starting circuit 107 and power circuit 109,
Described overvoltage detection circuit 104 compares overvoltage test side VLM voltage and benchmark comparative voltage, and comparative result is outputed 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 be adjusted voltage detecting end VAJ voltage and the benchmark comparative voltage compares, and comparative result is outputed to first passage control module 101, second channel control module 102, third channel control module 103 and power control circuit 106;
107 pairs of power end vdd voltages of low-voltage starting circuit detect, and output detection signal is to described first passage control module 101, second channel control module 102, third channel control module 103; When starting threshold values, make the first output terminal OUT1, the second output terminal OUT2 and the 3rd output terminal OUT3 output low level when the power end vdd voltage, control the first metal-oxide-semiconductor M1, the second metal-oxide-semiconductor M2 and the 3rd metal-oxide-semiconductor M3 cut-off of pressure regulator;
First passage control module 101, second channel control module 102 and third channel control module 103 receive with the 3rd signal input part IN3 the voltage signal that magnetic motor for motorcycle first, second, and third is exported mutually by first signal input end IN1, secondary signal input end IN2 respectively, and receive simultaneously overvoltage detection circuit 104, adjust the signal of voltage detecting circuit 105 and low-voltage starting circuit 107 outputs, carry out logical process, generate control signal, respectively by the first output terminal OUT1, the second output terminal OUT2 and the 3rd output terminal OUT3 output; With 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 controlling respectively pressure regulator.
In specific 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 by temperature compensation end VREF output, and the while is as the benchmark comparative voltage of overvoltage detection circuit 107 and adjustment voltage detecting circuit 108.
In specific embodiment, referring to 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 the first zero cross detection circuit 111 receives the voltage signal of magnetic motor for motorcycle first-phase output, carries out zero passage detection, and testing result is outputed to described first passage control circuit 112;
Described the second zero cross detection circuit 121 receives the voltage signal of magnetic motor for motorcycle second-phase output, carries out zero passage detection, and testing result is outputed to described second channel control circuit 122;
Described the 3rd zero cross detection circuit 131 receives the voltage signal of magnetic motor for motorcycle third phase output, carries out zero passage detection, and testing result is outputed 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 the first zero cross detection circuit 111 outputs, receive the voltage detection signal of described low-voltage starting circuit 107 outputs, receive simultaneously overvoltage detection circuit 104 and adjust the signal that voltage detecting circuit 105 is exported, carry out logical process, generate control signal, output to the first output driving circuit 113; The first 113 pairs of output driving circuits signal amplifies processes the rear first output terminal OUT1 output of passing through; 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 the second zero cross detection circuit 121 outputs, receive the voltage detection signal of described low-voltage starting circuit 107 outputs, receive simultaneously overvoltage detection circuit 104 and adjust the signal that voltage detecting circuit 105 is exported, carry out logical process, generate control signal, output to the second output driving circuit 123; The second 123 pairs of output driving circuits signal amplifies processes the rear second output terminal OUT2 output of passing through; 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 the 3rd zero cross detection circuit 131 outputs, receive the voltage detection signal of described low-voltage starting circuit 107 outputs, receive simultaneously overvoltage detection circuit 104 and adjust the signal that voltage detecting circuit 105 is exported, carry out logical process, generate control signal, output to the 3rd output driving circuit 133; The 3rd 133 pairs of output driving circuits signal amplifies processes rear the 3rd output terminal OUT3 output of passing through; To control the 3rd metal-oxide-semiconductor M3 conducting or cut-off of pressure regulator.
Adopt zero cross detection circuit, if accumulator jar voltage, lower than adjusting voltage, is inputted by negative during to positive zero passage mutually every, magneto generator is exported mutually and is started the accumulator jar charging, when the end of charging by just to negative zero passage the time.And Once you begin charging, even accumulator jar voltage surpasses pressure regulation voltage, the charging of this phase can not finish yet.
Namely; The output mutually of magneto generator when this phase voltage zero passage is depended in charging to accumulator jar accumulator jar voltage whether greater than adjusting voltage.If greater than adjusting voltage, this phase metal-oxide-semiconductor conducting, with the phase and ground short circuit, this phase can not charged to accumulator jar; If less than adjusting voltage, this phase metal-oxide-semiconductor turn-offs, and accumulator jar is charged.
In case magneto generator is exported mutually to accumulator jar charging, the output of this phase just with the accumulator jar independent from voltage, namely metal-oxide-semiconductor can conducting, until the phase voltage zero passage.
In specific embodiment, the parameter setting of circuit is specially:
The output signal LST of low-voltage starting circuit 107: when starting threshold values, LST is 1 level when the power end vdd voltage, and when starting threshold value, LST is 0 level.
The output signal COUT of zero cross detection circuit: greater than 10mV, COUT is output as 1 level as input signal IN, and input signal IN is less than-10mV, and COUT is output as 0 level.
Adjust the output signal ADJ of voltage detecting circuit 105: when adjusting voltage detecting end VAJ input greater than 5.2V, when namely pressure regulator output voltage VO UT was greater than 14.5V, the ADJ end was 0 level, and pressure regulator output voltage VO UT is during less than 14.5V, and the ADJ end is 1 level.
The output signal VLIM of overvoltage detection circuit 104: greater than 5.2V, when namely pressure regulator output voltage VO UT was greater than 25V, VLIM end was 0 level as overvoltage test side VLM, and pressure regulator output voltage VO UT is during less than 25V, and the VLIM end is 1 level.
Truth table:
| LST | COUT | VLIM | ADJ | IN+ | Output OUT |
| 1 | X | X | X | X | 0 |
| 0 | 0 | X | X | X | 1 |
| 0 | 1 | 0 | X | X | 1 |
| 0 | 1 | 1 | 0 | 1 | Keep former output |
| 0 | 1 | 1 | 1 | 1 | 0 |
In table, OUT is the output of respective channel control module; IN+ is phase input signal; Arrange when phase input signal during greater than the 7V left and right, IN+ is 1;
The 1st line display in truth table: if the power end vdd voltage is when starting threshold values, the LST signal is 1, and the output of passage control module is always 0, and is irrelevant with other signal;
The 2nd line display in truth table: when the power end vdd voltage when starting threshold values, if input signal IN less than-10mV, the passage control module is output as 1;
The 3rd line display in truth table: when the power end vdd voltage when starting threshold values, if input signal IN greater than 10mV, pressure regulator output voltage VO UT is during greater than 25V, the passage control module is output as 1; The 4th line display in truth table: when starting threshold values, input signal IN is greater than 10mV when the power end vdd voltage, and pressure regulator output voltage VO UT is greater than 14.5V but less than 25V, and IN+ is 1 o'clock, and the passage control module is kept former output;
The 5th line display in truth table: when starting threshold values, input signal IN is 1 o'clock greater than 10mV and IN+ when the power end vdd voltage, and UT is less than 14.5V for the pressure regulator output voltage VO, and the passage control module is output as 0.
The 4th row and the 5th row in comprehensive truth table, shown that pressure regulator crosses the zero adjustment characteristic.
in specific embodiment, referring to Fig. 4, described power control circuit 106 is by Sheffer stroke gate IC1, twelvemo closes pipe M12 and resistance R 6 forms, Sheffer stroke gate IC1 receives the output signal of described overvoltage detection circuit 107 and described adjustment voltage detecting circuit 108, Sheffer stroke gate IC1 is output as twelvemo pass pipe M12 the driving signal is provided, when the output of described overvoltage detection circuit 107 and described adjustment voltage detecting circuit 108 is high level, control twelvemo and close not conducting of pipe M12, described twelvemo is closed pipe M12 can adopt the NMOS pipe, the grid level of this NMOS pipe connects the output of Sheffer stroke gate IC1, source class and substrate ground connection, leak level and meet power control terminal VST by resistance R 6, power control terminal VST is connected with the base stage of outside PNP pipe Q1 by the integrated circuit non-essential resistance, namely this NMOS pipe provides drive current for PNP pipe Q1, it is the integrated circuit power supply that accumulator jar is managed Q1 by PNP.
its principle of work is: when motorcycle engine is not worked, the output voltage of pressure regulator is accumulator jar voltage, maximum is no more than 13.2V, lower than adjusting voltage, usually adjusting voltage is the 14.5V left and right, at this moment, overvoltage test side VLM voltage and adjustment voltage detecting end VAJ voltage are lower than benchmark comparative voltage VREF, overvoltage voltage detecting circuit 104 and adjustment voltage detecting circuit 105 all are output as 1 level, Sheffer stroke gate IC1 is output as 0 level, twelvemo is closed not conducting of pipe M12, make external PNP manage not conducting, accumulator jar can not provide electric current to integrated circuit, the pressure regulator static working current is very little.
When the voltage of output voltage regulator when adjusting voltage or overvoltage protection voltage, overvoltage detection circuit 104 and adjust in voltage detecting circuit 105 and have a circuit output zero level at least.Sheffer stroke gate IC1 is output as high level, and twelvemo is closed pipe M12 conducting, and output voltage regulator is by external PNP pipe supplying intergrated circuit with electricity.
By this circuit, can reduce the pressure regulator static working current, can not affect the pressure regulator normal operation simultaneously.
In specific embodiment, referring to Fig. 3, described reference source circuit 108 by the 4th, the 5th, the 14, the 15 switching tube, resistance R 4, R5 and stabilivolt Z1 form, the 4th, the 14, the 15 switching tube is the PMOS pipe, the 5th switching tube is the NMOS pipe; 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 the resistance R 4 that is connected in series, R5 to ground; Simultaneously, power end VDD also arrives ground by source-drain electrodes and the stabilivolt Z1 of the 14 switching tube; The 15 switching tube M15 and resistance R 4, R5 form current source, and this current source provides bias current by the 14 switching tube for stabilivolt Z1, and the end of stabilivolt Z1 connects temperature compensation end VREF.
This circuit adopts the simplest current source module, and current source is connected in series and is formed by the 15 switching tube and resistance R 4, R5, and the passing ratio mode provides biasing for stabilivolt Z1, and is assigned to other current source.The reference voltage of this circuit is provided by stabilivolt Z1, in the 5.2V left and right, and by temperature compensation end VREF, exports.This circuit can guarantee that reference voltage has temperature compensation function, and, can also adjust the temperature coefficient of reference source at temperature compensation end VREF to the resistance of a hundreds of K of power end VDD connection.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.
The power end vdd voltage mainly provides by external diode D12～D14 and current-limiting resistance R11.The phase line P1 of motor, P2, P3 pass through resistance R 14～R16 to IN1, IN2, IN3, then by internal body diodes D1～D3, also can provide power supply, but because resistance R 14～R16 is very large, current capacity is poor, can only make VDD reach trigger voltage.
The utility model is compared with the technical scheme that application number is 201210184747.8, by increasing power control terminal VST, temperature compensation end VREF and power control circuit 106, when motorcycle engine is not worked, power control circuit 106 output cut-off signals are to power control terminal VST, control accumulator jar not to this integrated circuit power supply, the quiescent current of pressure regulator is reduced, protected accumulator jar, extended the serviceable life of accumulator jar; The utlity model has temperature compensation function, make pressure regulator can adapt to various environment temperatures, output voltage is more stable.
Claims (5)
1. motorcycle MOS pressure regulator high-performance special IC is characterized in that:
this integrated circuit comprises power end (VDD), earth terminal (GND), first signal input end (IN1), secondary signal input end (IN2), the 3rd signal input part (IN3), adjust voltage detecting end (VAJ), overvoltage test side (VLM), power control terminal (VST), the first output terminal (OUT1), the second output terminal (OUT2) and the 3rd output terminal (OUT3), and following circuit is carried out integrated circuit, these circuit comprise: first passage control module (101), second channel control module (102), third channel control module (103), overvoltage detection circuit (104), adjust voltage detecting circuit (105), power control circuit (106), low-voltage starting circuit (107) and power circuit (109),
Described overvoltage detection circuit (104) compares overvoltage test side (VLM) voltage and benchmark comparative voltage, and comparative result is outputed 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 be adjusted voltage detecting end (VAJ) voltage and the benchmark comparative voltage compares, and comparative result is outputed 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 overvoltage detection circuit (104) and adjusts the output signal of voltage detecting circuit (105), when overvoltage test side (VLM) voltage with while adjusting voltage detecting end (VAJ) voltage all lower than the benchmark comparative voltage, power control circuit (106) output cut-off signals, to power control terminal (VST), is controlled accumulator jar and power end (VDD) is not powered;
Low-voltage starting circuit (107) detects power end (VDD) voltage, and output detection signal is to described first passage control module (101), second channel control module (102), third channel control module (103); , control first passage control module (101), second channel control module (102) and third channel control module (103) and export zero level when starting threshold values when power end (VDD) voltage;
first passage control module (101), second channel control module (102) and third channel control module (103) are respectively by first signal input end (IN1), secondary signal input end (IN2) and the 3rd signal input part (IN3) receive magnetic motor for motorcycle first, second and the voltage signal of third phase output, and receive simultaneously overvoltage detection circuit (104), adjust the signal of voltage detecting circuit (105) and low-voltage starting circuit (107) output, carry out logical process, generate control signal, respectively by the first output terminal (OUT1), the second output terminal (OUT2) and the 3rd output terminal (OUT3) output.
2. motorcycle MOS pressure regulator high-performance special IC according to claim 1, it is characterized in that: 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 by temperature compensation end (VREF) output, and the while is as the benchmark comparative voltage of overvoltage detection circuit (107) and adjustment voltage detecting circuit (108).
3. motorcycle MOS pressure regulator high-performance special IC according to claim 2 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 the first zero cross detection circuit (111) receives the voltage signal of magnetic motor for motorcycle first-phase output, carries out zero passage detection, and testing result is outputed to described first passage control circuit (112);
Described the second zero cross detection circuit (121) receives the voltage signal of magnetic motor for motorcycle second-phase output, carries out zero passage detection, and testing result is outputed to described second channel control circuit (122);
Described the 3rd zero cross detection circuit (131) receives the voltage signal of magnetic motor for motorcycle third phase output, carries out zero passage detection, and testing result is outputed 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 the first zero cross detection circuit (111) output, receive the detection signal of described low-voltage starting circuit (107) output, receive simultaneously overvoltage detection circuit (104) and adjust the signal that voltage detecting circuit (105) is exported, carry out logical process, generate control signal, output to the first output driving circuit (113); The first output driving circuit (113) amplifies and processes rear the first output terminal (OUT1) output of passing through signal;
Described second channel control circuit (122) receives the voltage signal of magnetic motor for motorcycle second-phase output and the signal of described the second zero cross detection circuit (121) output, receive the detection signal of described low-voltage starting circuit (107) output, receive simultaneously overvoltage detection circuit (104) and adjust the signal that voltage detecting circuit (105) is exported, carry out logical process, generate control signal, output to the second output driving circuit (123); The second output driving circuit (123) amplifies and processes rear the second output terminal (OUT2) output of passing through signal;
Described third channel control circuit (132) receives the voltage signal of magnetic motor for motorcycle third phase output and the signal of described the 3rd zero cross detection circuit (131) output, receive the detection signal of described low-voltage starting circuit (107) output, receive simultaneously overvoltage detection circuit (104) and adjust the signal that voltage detecting circuit (105) is exported, carry out logical process, generate control signal, output to the 3rd output driving circuit (133); The 3rd output driving circuit (133) amplifies and processes rear the 3rd output terminal (OUT3) output of passing through signal.
4. according to claim 2 or 3 described motorcycle MOS pressure regulator high-performance special ICs is characterized in that:
Described power control circuit (106) comprises Sheffer stroke gate (IC1) and twelvemo pass pipe (M12), Sheffer stroke gate (IC1) receives the output signal of described overvoltage detection circuit (107) and described adjustment voltage detecting circuit (108), Sheffer stroke gate (IC1) is output as twelvemo pass pipe (M12) the driving signal is provided, when the output of described overvoltage detection circuit (107) and described adjustment voltage detecting circuit (108) is high level, controls twelvemo and close pipe (M12) not conducting.
5. motorcycle MOS pressure regulator high-performance special IC according to claim 4, it is characterized in that: described reference source circuit (108) comprises the 14, the 15 switching tube, resistance and stabilivolt (Z1), the 15 switching tube and resistance series connection connect and compose current source, this current source is that stabilivolt (Z1) provides bias current by the 14 switching tube, and an end of stabilivolt (Z1) connects temperature compensation end (VREF).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203247825U CN203299681U (en) | 2013-06-06 | 2013-06-06 | High-performance integrated circuit for motorcycle MOS voltage regulator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203247825U CN203299681U (en) | 2013-06-06 | 2013-06-06 | High-performance integrated circuit for motorcycle MOS voltage regulator |
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| CN203299681U true CN203299681U (en) | 2013-11-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112954724A (en) * | 2021-04-29 | 2021-06-11 | 沸蓝建设咨询有限公司 | 5G basic station construction engineering monitoring system |
-
2013
- 2013-06-06 CN CN2013203247825U patent/CN203299681U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN103268132B (en) * | 2013-06-06 | 2015-11-11 | 重庆三信电子股份有限公司 | Motorcycle MOS voltage regulator special IC |
| CN112954724A (en) * | 2021-04-29 | 2021-06-11 | 沸蓝建设咨询有限公司 | 5G basic station construction engineering monitoring system |
| CN112954724B (en) * | 2021-04-29 | 2022-08-02 | 沸蓝建设咨询有限公司 | 5G basic station construction engineering monitoring system |
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