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Product Spec Banner
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RT9465是供可擕式設備使用的開關模式單節鋰離子/聚合物電池充電IC，含有同步架構PWM控制器和精確的電壓調節電路以及用於充電電流檢測的集成化電阻。</br>RT9465的控制演算法經過優化，可根據預充電、快速充電 (恆壓充電和恆流充電) 等不同的充電模式改變充電參數，關鍵的充電參數可通過I<sup>2</sup>C介面進行程式控制。通過I<sup>2</sup>C介面也可對其溫度進行監控。</br>RT9465具有欠壓保護、過壓保護 (對VBAT側和VBUS側同時進行)、熱調節、反向漏電保護和最低輸入電壓調節 (MIVR) 等特性。</br>RT9465採用WQFN-16L 3x3封裝。
RT9465 電路圖
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basicInfoImageSection
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<div class="spec-list"><ul class="lv1"><li>輸入電壓範圍：3.9V至14V </li><li>工作頻率1.5MHz/0.75MHz可選，支持最大95%占空比 </li><li>VIN = 9V/5V時的最高效率可達92%/94% </li><li>VIN過壓保護閾值：14.5V </li><li>VIN欠壓保護閾值：3.8V </li><li>VIN欠壓鎖定電壓：3.3V </li><li>同時監控VIN和VBAT，故障時進入保護狀態 </li><li>需要I<sup>2</sup>C通訊時從INT發出申請信號 </li><li>最低輸入電壓可設定範圍：3.9V至13.4V (級差0.1V) </li><li>電池電壓可調節範圍：3.8V至5.06V (級差0.02V) </li><li>終止充電條件可調節範圍：0.6A至1.6A (級差0.1A) </li><li>平均輸出電流可調節範圍：0.6A至3A (級差0.1A) </li><li>結溫預警閾值可調節範圍：60°C至116°C (級差4°C) </li><li>最低輸入電壓調節誤差：±3% </li><li>電池充電電壓調節誤差：±1% </li><li>恒流輸出 (< 1A時) 調節誤差：±100mA (VBUS = 9V/12V) </li><li>恒流輸出 (> 1A時) 調節誤差：±10% (VBUS = 9V/12V) </li><li>結溫預警誤差：±3°C </li><li>熱停機結溫閾值：160°C </li></ul></div>
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RT9465 訂購資訊
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RT9465
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RT9465
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<div class="spec-list"><ul class="lv1"><li>手機 </li><li>個人信息設備 </li><li>平板電腦，行動電源 </li><li>可攜式儀器 </li></ul></div>
applicationContent
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keywordList
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