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RT9516 是適合可擕式應用的全集成、低成本的單節鋰離子電池充電 IC ,它可用交流電源轉接器和 USB 介面進行供電。當兩個輸入都不存在時, RT9516 進入睡眠模式。RT9516 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,恒壓模式將自動維持以確保電池總是處於充滿狀態。充電電流可用外部電阻進行調節。內部熱回饋電路可對內核溫度進行調節,使得它在任何可用工作溫度範圍內都可以最佳的充電速率進行充電。它的 VIN 端子可以承受最高 28V 的電壓,其它特性包括欠壓保護、和對交流電源轉接器的過壓保護。RT9516 還包含了一個啟動輔助電路,它對輸入電源和電池連接狀態進行檢測,可在適當狀況下輸出一個信號 ( ABO ) 以啟動系統。RT9516 採用了小型的 WDFN-8L 2x2 封裝以滿足 PCB 空間和 BOM 成本低的綜合要求。
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