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Product Spec Banner
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RT9756 是一款高效率、高充電電流的電池充電器。在 DIV2 模式下，當 VBAT = 4V、IBAT = 2A 時，充電效率最高可達 98.2%，最大充電電流可達 8A。在旁路模式（Bypass Mode）下，當 VBAT = 4V、IBAT = 1A 時，效率最高可達 99.1%，最大充電電流可達 5A。 本產品整合智慧電容分壓拓撲（Smart Cap Divider Topology）、直接充電模式（Direct Charging Mode）、外部過壓保護控制、輸入反向阻斷 N-MOSFET、雙向調節（2-Way Regulation）、雙相電荷幫浦核心（Dual-Phase Charge Pump Core）、14 種保護機制、9 種系統警報功能、8 通道高速類比數位轉換器（ADC）以及 USB BC 1.2 偵測功能。 內建高速 ADC 可量測輸入與輸出端的電壓、電流及溫度資訊，並透過 I²C 序列介面回報給主控制器，以便進行即時監控與系統管理。 建議接面溫度範圍為 -40°C 至 125°C，環境溫度範圍為 -40°C 至 85°C。
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<div class="spec-list"><ul class="lv1"><li>Integrate Cap Divider Mode (DIV2 Mode) and Direct Charging Mode (Bypass Mode) </li><li>Support USB BC1.2 </li><li>External OVP MOS Control and Regulation - High Absolute Maximum Rating of 37V - 100ns Fast Reaction Time and 100ns Fast Turn-Off Time - VBAT Voltage Regulation (VBAT REG) - IBAT Current Regulation (IBAT REG) </li><li>Dual-Phase Charge Pump Core - 8A Output Current Capability - Efficiency up to 98.2% when V<sub>BAT</sub> = 4V, I<sub>BAT</sub> = 2A (DIV2 Mode) - Efficiency Up to 99.1% when V<sub>BAT</sub> = 4V, I<sub>BAT</sub> = 1A (Bypass Mode) - 100kHz to 1000kHz Variable Switching Frequency Stay Out of Audio Band - Spread Spectrum Technology for EMI Reduction </li><li>8-Channel 12-bit ADC - High Speed Data Rate for 128 Times Average Per Channel - 8-Channel (VBUS, IBUS, VOUT, VBAT, IBAT, TDIE, DP, DM) for Voltage/Current/Temperature Measurement </li><li>Input Reverse Blocking N-MOSFET - Block the Reverse Current </li><li>3-Error Charge Pump Switch Protection </li><li>11-Way System Protection </li><li>9-Way System Alarm </li></ul></div>
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<div class="spec-list"><ul class="lv1"><li>Smart Phones </li><li>Tablets </li></ul></div>
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