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RT9750是一款負載能力為6A的智慧負載開關式電池充電IC,其主體是一個由電荷泵電路提供控制電源、4個定電流/定電壓調節回路控制、具有5種硬體保護措施的內部負載開關。其中還集成了一個8通道12位元的類比-數位轉換器,可對電流、電壓進行精確的測量,其轉換結果可通過I2C序列介面進行上報以回饋電池充電參數。另外,它還提供了3種軟體保護措施。
具有充電泵控制的內部負載開關►背對背配置的雙N-MOSFET►內部電荷泵控制
4路CC / CV調節►輸入電流調節 (ICR)►輸出電壓調節 (OVR)►電池電壓調節 (BVR)►電池電流調節 (BCR)
5種硬體保護►VBUS過壓保護 (VBUS_OVP)►壓差過大保護 (VDR_OVP)►反向過流保護 (RE_OCP)►接面過熱保護 (TJ_OTP)►輸入過流保護 (IOC_OCP)
8通道12位ADC►12位解析度的高精準度►8通道電壓/電流測量►高轉換速率,每通道資料均8/16次平均後出結果
3種軟體保護►壓差過大保護報警 (VDR_ALM)►VBUS溫度過高保護 (TBUS_OTP) ►電池過熱保護 (TBAT_OTP)
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