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Special integrated circuit for motorbike ignitor and trigger input circuit

A technology of integrated circuit and input circuit, applied in the field of motorcycle ignition controller, can solve the problems of complex application circuit and low cost, and achieve the effect of reducing system cost, low cost and ingenious design

Active Publication Date: 2013-03-27
CHONGQING SANXIN ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the disadvantages of complex application circuits of the existing motorcycle ignition advance angle adjustment ASICs, one of the technical problems to be solved by the present invention is to provide a low-cost motorcycle igniter dedicated circuit with a trigger input circuit and abnormal protection function. integrated circuit

Method used

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  • Special integrated circuit for motorbike ignitor and trigger input circuit
  • Special integrated circuit for motorbike ignitor and trigger input circuit

Examples

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Embodiment Construction

[0019] see figure 1 and figure 2, an ASIC for a motorcycle igniter, consisting of a power supply input terminal VDD, a first trigger pulse input terminal IN1, a second trigger pulse input terminal IN2, a limiter terminal VZ, a charging control terminal RF, an oscillation terminal CT, Discharge control terminal RC, ignition control pulse output terminal OUT, ground terminal GND and input buffer circuit 1, reference voltage generation circuit 2, waveform generation circuit 3, advance angle processing logic circuit 4, output drive circuit 5, comparators IC1, IC2 , trigger input circuit 6 integrated circuit configuration, the input end of the trigger input circuit 6 is connected to the first trigger pulse input end IN1, the second trigger pulse input end IN2 and the limiter VZ, the negative of the input buffer circuit 1 The input terminal INN is connected to the negative output terminal OUT2 of the trigger input circuit 6, the positive input terminal INP of the input buffer circ...

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PUM

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Abstract

The invention discloses a special integrated circuit for a motorbike ignitor and a trigger input circuit. The special integrated circuit for the motorbike ignitor, disclosed by the invention, is characterized in that the trigger input circuit consists of a first MOS (Metal Oxide Semiconductor) field effect transistor, a third MOS field effect transistor-a ninth MOS field effect transistor, a diode, a pull-up resistor and a pull-down resistor; the pull-up resistor is connected with the pull-down resistor in series, the other end of the pull-up resistor is connected with an amplitude limit end, and the other end of the pull-down resistor is grounded; a substrate of the first MOS field effect transistor is connected with a power supply input terminal, the grid of the first MOS field effect transistor is connected with a connection node of the pull-up resistor and the pull-down resistor, one of the source and the drain of the first MOS field effect transistor is connected with the amplitude limit end, and the other one of the source and the drain of the MOS field effect transistor M1 is grounded. The invention has the advantages of abnormal protection function, simple and feasible process, low cost and strong anti-jamming capability; and furthermore, the cost of a system is reduced, and the reliabilities of the integrated circuit and the system are improved, thus the special integrated circuit and the trigger input circuit can be widely applied to an electronic ignitor of a motorbike.

Description

technical field [0001] The invention relates to a motorcycle ignition controller, in particular to a trigger input circuit for a motorcycle igniter special integrated circuit, and to a motorcycle igniter special integrated circuit with the trigger input circuit. Background technique [0002] Motorcycles are an important means of transportation in modern times. The initial motorcycle engines used igniters with fixed advance angles. This kind of igniters can only make the engine in the best working state under a certain condition, and cannot effectively improve the operating efficiency of the engine; With the advancement of technology, the most widely used electronic igniter is the analog timing electronic igniter, which can adjust the ignition advance angle according to the change of the engine speed to improve the operating efficiency of the engine. In practical applications, the analog timing electronic ignition Most of the controllers use an ASIC for adjusting the ignition...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F02P5/145
Inventor 郑雷
Owner CHONGQING SANXIN ELECTRONICS