IPM (Internet Product Manager, Internet Product Manager is a function of Internet companies, responsible for the planning and promotion of Internet products, and the evolution of the life cycle of Internet products. According to the Internet products that are responsible for user products or commercial products, can be divided into Internet user product manager and Internet commercial product manager. User product manager is most concerned about the user experience of Internet user products, commercial product manager is most concerned about the traffic realizing ability of Internet commercial products.) The gate drive isolation circuit is shown below, it It realizes optical isolation of 6 WM signals from the 80C196MC and IPM, and realizes driving and level shifting functions. By using 6N137, which is a fast optocoupler, the transistor N is 9014 and the supply voltage is 15V. The triode converts the TTL level from the optical port into the IPM gate drive signal.
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