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The RT9485 is a high integration and easy to use power solution for Li-ion power bank and other powered handheld applications. We call it EZPBS<sup>TM</sup> (Easy to Use Power Bank Solution). This single chip includes a Switching Charger with OTG function, MCU, Analog to Digital Converter (ADC), USBOUT Load Switch, Adapter Detection with BC1.2, DCP controller and LDO. The battery volume and the state of charging and discharging can be indicated by 4LEDs.
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System<br /></li><li class="mv5"> High Accuracy Voltage/Current Regulation<br />► ±1% Charge Voltage Regulation<br />► ±0.1A Charge Current Regulation<br />► ±3% Boost Output Voltage Regulation<br /></li><li class="mv5"> Thermal Shutdown Protection<br /></li><li class="mv5"> Reverse Leakage Protection to Prevent Battery Drainage<br /></li><li class="mv5"> Built-in USBOUT DCP Controller <br /></li><li class="mv5"> Built-in USBOUT Attach/Detach Detection<br /></li><li class="mv5"> Built-in USBOUT Light Load Detection<br /></li><li class="mv5"> Built-in Load Switch with Current Regulation<br />Thermal Regulation and Output Short Current Protection<br /></li><li class="mv5"> Built-In Adapter Detection with BC1.2<br /></li><li class="mv5"> Built-In Accurate ADC to Measure VBAT, VBUS, TS, IBAT, USBOUT and IUSBOUT <br /></li><li class="mv5"> Built-In LDO<br /></li><li class="mv5"> OTP Based MCU <br /></li><li class="mv5"> 4 LED Driver Pin<br /></li><li class="mv5"> Button Key<br />Charge Mode<br /></li><li class="mv5"> Charge Voltage Regulation<br /></li><li class="mv5"> Charge Current Regulation<br /></li><li class="mv5"> Minimum Input Voltage Regulation (MIVR) <br /></li><li class="mv5"> Average Input Current Regulation (AICR)<br /></li><li class="mv5"> Thermal Regulation<br /></li><li class="mv5"> VMID Under-Voltage Protection<br /></li><li class="mv5"> VBUS Over-Voltage Protection<br /></li><li class="mv5"> Battery Over-Voltage Protection<br /></li><li class="mv5"> Battery Temperature Protection <br />Boost Mode<br /></li><li class="mv5"> OTG Boost Current Up to 3A<br /></li><li class="mv5"> Battery Under-Voltage Protection <br /></li><li class="mv5"> VMID Over-Voltage Protection</li>
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<li class="mv5"> Power Bank</li>
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