為便攜式設備可靠供電開發拓寬USB功能

摘要：為保證數字化便攜式設備可靠運行, 本文主要對USB接口電源功能的開發與USB集線器、功率、外設等技術支持問題作了詳述.并著重對應用USB電源功能獲得便攜式設備所需各類電源及對鋰電池(Li+)、鎳氫電池(NIMH)充電技術各類方案作分析比較. 敘詞：便攜式設備 USB接口電源 集線器 充電控制器 系統負載 Abstract：The paper stated the technical question which functional developing of USB interface power were developed and Hub,power,peripheral etc of USB,and the kind of all power which needing for the portable device were getted by function of USB power and kind of all plan of LI+&NIMH charging technology were analyed and compared. Keyword：portable device interface power of USB hub contraller of charging load of system