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RT9485 是供鋰離子電池行動電源和其它可擕式產品使用的全集成、易使用的電源配置,簡稱 EZPBSTM (Easy to Use Power Bank Solution)。它在單晶片的內部包含了具升壓功能的切換式充電器、ADC轉換器、USBOUT負荷開關、符合BC1.2檢測的電源轉接器、DCP控制器與LDO。電池容量狀態和充放電狀態可通過4只 LED 予以指示。
系統
高精準度電壓和電流調節►充電電壓調節精度 : ±1%►充電電流調節精度 : ±0.1A►±3%升壓USBOUT電壓
過溫保護
反向漏電保護功能,預防電池漏電
內置USBOUT DCP 控制器
內置USBOUT 連接/分離檢測
內置USBOUT 輕載檢測
內置電流調節負載開關
熱調節及輸出電流短路保護
內置符合BC1.2檢測的電源轉接器
內置精準的ADC以測量VBAT, VBUS, TS, IBAT , USBOUT和IUSBOUT
內置線性穩壓器 (LDO)
OTP Based MCU
4 LED驅動引腳
按鈕鍵
充電模式
充電電壓調節
充電電流調節
最小輸入電壓調節 (MIVR)
一般輸入電流調節 (AICR)
熱調節
VMID欠壓保護
VBUS過壓保護
電池過壓保護
電池溫度保護
升壓模式
OTG升壓電流高達3A
電池欠壓保護
VMID過壓保護
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