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RT9524 是適合可擕式應用的全集成單節鋰離子電池充電 IC ,它採用優化的方式完成充電任務,可自動選擇預充模式、快充模式和恒壓模式進行充電操作。它的 VIN 端輸入電壓範圍可以高達 28V ,但在輸入電壓超過預設的 OVP 電壓時,它的充電用 MOSFET 就會被切斷以避免晶片因為過熱而受到損壞。</br>RT9524 的最大充電電流可有外部電阻進行設定。對於 USB 應用,用戶可以通過 EN/SET 端子對電流在 100mA 和 500mA 之間進行選擇。在工廠測試模式下,RT9524 容許輸出 4.35V/2.3A 輸出以支援系統的操作。它還擁有一個 50mA 的低壓差線性穩壓器可為週邊電路供電。它的內部熱回饋電路可對內核溫度進行調整,以便在任何可用環境溫度範圍內對充電速率進行優化調節。 RT9524 具有完善的保護功能,如欠壓保護、輸入端的過壓保護和對電池的熱保護。</br>RT9524 的封裝是 WDFN-10L 3x2 ,這為獲得優化的 PCB 空間和熱考慮提供了基礎。
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<div class="spec-list"><ul class="lv1"><li>為連接直流電源轉接器準備了 28V 最高耐壓 </li><li>內部集成功率 MOSFET </li><li>支援 4.35V/2.3A 工廠測試模式 </li><li>50mA 低壓差線性穩壓器 </li><li>狀態指示 </li><li>可設置充電電流 </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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<div class="spec-list"><ul class="lv1"><li>Cellular Phones </li><li>Digital Cameras </li><li>PDAs and Smart Phones </li><li>Protable Instruments </li></ul></div>
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