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SC8905QFER QFN-21

Features

• Buck-Boost Battery Charger for 2 to 4 Cell Batteries

4.2V/4.35V/4.4V for 2s and 3s, 4.2V/4.35V for 4s

• Charging Management: Trickle Charging, CC Charging, CV Charging, Charging Termination, Auto Recharge

• Buck-Boost Reverse Discharging Mode

• Integrated Switches, 10 mΩ for Q1/4, 20 mΩ for Q2/3

• Wide VBAT Range: 2.7 V to 22 V, 25V sustainable

• Wide VBUS Range: 2.7 V to 22 V, 25V sustainable

• High Efficiency Buck-Boost Conversion

• I2C Interface

• Dynamic Output Voltage Control

• Output Voltage Cable Drop Compensation

• Adjustable Switching Frequency

• Programmable Current Limit

• Current Monitor

• NTC Battery temperature protection

• Under Voltage Protection, Over Voltage Protection, Over Current Protection

• Short Protection and Thermal Shutdown Protection

• QFN-21 4 x 4 Package

Applications

• Power Bank

• USB Power Delivery

• Battery Chargers

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