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Product Spec Banner
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RT9440 元件是一款高度精準且整合式的 2 至 5 串電池電量計與保護解決方案，具備自主電芯平衡、保護與充電器控制功能。<br />RT9440 整合高度精準的類比周邊，可測量並維持可用容量、電壓、電流與溫度的精確記錄。RT9440 透過 SMBus 介面向系統主機控制器回報電池組參數。<br />建議接面溫度範圍為 −40°C 至 125°C，而環境溫度範圍為 −40°C 至 85°C。
RT9440 電路圖
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<div class="spec-list"><ul class="lv1"><li>State of Charge (SOC) Calculated by VoltaicGauge<sup>TM</sup> with Current Sensing (VGCS) </li><li>Voltage Measurement: ±3mV </li><li>Current Measurement: ±0.5% </li><li>Battery Temperature Measurement: ±1°C (T<sub>A</sub> = 0°C to 45°C) </li><li>Hardware Current Protection: ±1mV </li><li>Autonomous Cell Balance </li><li>Configurable Protection Levels and Delay Times for Voltage, Temperature, and Current Protection </li><li>Support Both Voltage-Base and SOC-Base Cell Balance </li><li>1.5V to 3.3V Configurable VOUT Power Supply </li><li>High-Side N-Channel FET Drivers </li><li>Auxiliary Overcurrent Protection by High-Side N-Channel FET Drop Voltage </li><li>Low Power Consumption - Normal Mode: 240μA - Sleep Mode Options: 70μA to 125μA - Deep Sleep Mode: 30μA - Shutdown Mode: 1.6μA </li><li>Low Value Sense Resistor: 0.5mΩ to 10mΩ </li><li>SHA-1/SHA-256/ECC Authentication </li><li>Hardware Load and Charger Detection </li><li>Support Intel<sup>®</sup> Dynamic Battery Power Technology (DBPT V2.0) </li><li>Support Battery Trip Point (BTP) </li><li>Lifetime Data Log and Black Box Recorder </li><li>LED Display Driver Pins with Scan Function </li><li>FUSE Driver </li><li>Support up to 1MHz SMBus Interface </li><li>IATA Support </li><li>32 Pin VQFN Package with 0.4mm Pitch </li></ul></div>
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RT9440 訂購資訊
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RT9440
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<div class="spec-list"><ul class="lv1"><li>Notebooks </li><li>Power Tools </li><li>Drones </li><li>Tablets </li><li>UPS/Battery Backup Systems </li><li>Medical Equipment </li><li>Handheld Vacuum Cleaners and Vacuum Robots </li></ul></div>
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