RIYE was founded in 1991,we manufacture and service the products of Transformer,Regulator,UPS(Uninterruptible Power System),etc.Riye Electric persists the goal of ''safety'',''maneuverability'',''endurance''. Our products conform to international quality standards and international industrial standards,and we believe that our design must focus on 3H:High quality&High endurance&High safety.That's why not only high technology equipment agent but also distributors,engineers,and those who are planning to set up the factory overseas always put our product at the first place to make sure the power system's quality. Power system is one of our main products,for the sake of giving you the best quality and best service,our professional teams endeavor day and night.Lighting you up always!

Our main power solution products:
  • AVR system
  • UPS system
  • Transformer
  • Frequency Converter
  • DC power supply
  • Other power equipment
We have passed the ISO9002 certificate , and we believe the certificate speak for themselves.

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皇晶科技Acute發表應用於邏輯分析儀產品之 USB PD (Power Delivery)2.0 分析功能-代理商宥億企業

2016/5/3

皇晶科技Acute發表應用於邏輯分析儀產品之 USB PD (Power Delivery)2.0 分析功能-代理商宥億企業

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皇晶科技發表應用於邏輯分析儀產品之 USB PD (Power Delivery)2.0 匯流排分析功能,可快速擷取與分析 USB PD 2.0 訊號。
這是一個基於 BMC (Biphase Mark Coding) 編碼的訊號,應用在筆記型電腦 / 平板電腦手機 / 行動電源等等具備有 USB Type-C 連接器的裝置,可進行電力供應或充電使用。
匯流排分析功能簡介
1. 測量設定通道 Configuration Channel (CC1/CC2) 線上的數位波形訊號
2. 可將 USB PD 訊息封包解碼後可看到的訊息有
• 顯示電源協商(Power Negotiation)訊息,可監看封包內傳遞的電壓與電流的狀態
• 顯示切換 Alternate Mode 所需的協調訊息
• 顯示 VDM(Vendor Defined Message) 資訊
• 可在波形區訊號可切換 4b 或 5b 數值顯示
• 顯示Host (Source) 和 Device (Sink) 之間的溝通
• 顯示 upstream/downstream 傳輸切換
• 自動偵測 Bit Rate

實際量測案例介紹
若要量測 USB Type-C 上面之 USB PD 2.0 訊號,只需將邏輯分析儀接上 USB Type-C 上之 CC1/CC2 (視連接方向而定)以及 GND 之後就可以開始量測。
若您不方便跳線引出 CC1/CC2 線路的話,也可選購皇晶科技 USB Type-C pass through 轉板,就可從轉板上量測到 CC1/CC2 訊號。

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