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銘普光磁(002902.SZ)取得一項發明專利證書
格隆匯 02-14 17:17

格隆匯2月14日丨銘普光磁(002902.SZ)公佈,公司於近日取得一項中華人民共和國國家知識產權局頒發的發明專利證書。(PAM4光模塊的電源電路及PAM4光模塊的電源控制方法)

本發明提供了一種PAM4光模塊的電源電路及PAM4光模塊的電源控制方法,包括:MCU的GPIO接口分別與電壓轉換器的輸入端、第一穩壓器的輸入端、第二穩壓器的輸入端、開關管的輸入端連接;電壓轉換器的輸出端分別與第一穩壓器、第二穩壓器、開關管連接;第一穩壓器的輸出端與第一電源引腳連接;第二穩壓器的輸出端與第二電源引腳連接;開關管的輸出端與第三電源引腳連接。上述電源電路能夠通過MCU對電壓轉換器、第一穩壓器、第二穩壓器和開關管的開關時序進行控制,進而使得輸入至DSP的各電源引腳的電源時序與DSP的各電源引腳的上下電時序相符,也就是能夠保證DSP各電源引腳上下電的時序,使得PAM4光模塊正常工作,不會產生浪湧電流。

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