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RT9526A 是適合可擕式應用的全集成單節鋰離子電池充電 IC ,可以使用交流電源轉接器或 USB 埠作為它的電源輸入。當電源被移除時,RT9526A 進入睡眠模式。RT9526A 通過採用包含預充模式、快充模式和恒壓模式的控制演算法優化充電過程,當充滿以後就維持在恒壓模式以確保電池總是處於充滿狀態,它的充電電流可以通過一隻外部電阻進行設定,內部熱回饋電路則對內核溫度進行調節以確保在任何可用環境溫度下都以最佳速率對電池進行充電。RT9526A 的 VIN 端可以承受最高 28V 的電壓,它還具有欠壓保護和過壓保護功能。RT9526A 可以提供 WDFN-8L 2x2 、 WDFN-8L 2x3 和 SOT-23-6這幾種封裝形式,同時兼顧最佳的 PCB 空間和總體 BOM 成本的要求。
RT9526A 電路圖
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<div class="spec-list"><ul class="lv1"><li>輸入端最高耐壓 28V並具有過壓保護7V </li><li>內部集成功率場效應管 </li><li>可設定充電電流 </li><li>電源狀態指示 </li><li>可設定充電終止電流 </li><li>欠壓保護 </li><li>過壓保護 </li><li>熱回饋優化充電速率 </li><li>符合 RoHS 規範,不含鹵素 </li></ul></div>
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RT9526A 訂購資訊
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<div class="spec-list"><ul class="lv1"><li>Cellular Phones </li><li>Digital Cameras </li><li>PDAs and Smart Phones </li><li>Portable Instruments </li></ul></div>
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