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The RT9470G device are a highly-integrated 3A switch mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery. The low impedance power path optimizes switch-mode operation efficiency, reduces battery charging time and extends battery life during discharging phase. The I<sup>2</sup>C serial interface with charging and system settings makes the device a truly flexible solution.<br /><br />The recommended junction temperature range is -40°C to 125°C, and the ambient temperature range is -40°C to 85°C.
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<li class="mv5"> High Efficiency, 1.5MHz, Synchronous Switch-Mode Buck Charger<br /> ► 92% Charge Efficiency at 2A from 5V Input and 3.8V Battery<br /> ► Support 3.9V to 13.5V Input Voltage Range<br /> ► Average Input Current Regulation (AICR)<br /> ► Minimum Input Voltage Regulation (MIVR)<br /> ► Minimum Input Voltage Regulation Track (MIVR Track)<br /> ► Charge Current Regulation (CCR)<br /> ► Charge Voltage Regulation (CVR)<br /> ► Charge Voltage Regulation Track (CVR Track)<br /> ► Junction Thermal Regulation (JTR)<br /> </li><li class="mv5"> Supports USB On-The-Go (OTG)<br /> ► 92% Boost Efficiency at 1A with 3.8V Battery and 5.15V Output<br /> ► OTG Current Limit Regulation (OCLR) <br /> ► OTG Voltage Limit Regulation (OVLR) <br /> </li><li class="mv5"> Protection <br /> ► Over-Temperature Protection (OTP)<br /> ► VBUS Overvoltage Protection (VBUS OVP)<br /> ► Battery Overvoltage Protection (VBAT OVP)<br /> ► System Overvoltage Protection (VSYS OVP)<br /> ► System Undervoltage Protection (VSYS UVP)<br /> ► System Over-Load Protection (VSYS OLP)<br /> ► Cycle-by-Cycle Overcurrent Protection (OCP)<br /> ► OTG Low Battery Protection (OTG LBP)</li>
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<li class="mv5"> Smart Phone/Tablet PC<br /> </li><li class="mv5"> Personal Information Appliances<br /> </li><li class="mv5"> Portable Device and Accessory</li>
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