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CN3303 PFM Step-up 3-cell Lithium Battery Charger IC - SOP8
This IC enables charging of 3 cell battery packs to be charged via a 5V Supply. If you want to charge a 3 cell battery from the USB port this chip can enable the same.CN3303 is a PFM mode step-up battery charge management IC with an operating voltage range between 2.7V to 6.5V. It is specially designed for 3-cell lithium battery charge management with fewer external components. CN3303 adopts constant current and quasi-constant voltage(Quasi-CVTM) mode to charge the battery.
→Input Voltage Range：2.7V to 6.5V
→Operating Current：[email protected]=5V
→Inductor Current Detection
→Switching Frequency up to 1MHz
→Quasi-CV mode to Compensate for the Voltage Loss on Battery Internal Resistance and Trace Resistance
→Output Power up to 35W
→Protection for Low Battery Voltage and Short Battery
→Automatic Adaptability to Input Supply with Limited Driving Capability
→Chip Enable Input
→Battery Overvoltage Protection
→Operating Temperature ：－40℃ to 85℃
→Available in SOP8 Package