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  • SC8906QFER

  • SC8906QFER

    SC8906 is a synchronous buck-boost charger converter. 

    Four switches are integrated to simplify the system design. 

    SC8906 employs current-mode control and can support 

    very wide input and output voltage range. It can support 

    applications from 2.7V to 22V VBUS range. It is able to 

    effectively manage charging for 2~4 cell batteries no matter 

    input/output voltage is higher, lower or equal to battery 

    voltage. 

    SC8906 supports input current limit, DPM (dynamic power 

    management) function, and fast charging detecting. 

    Charging voltage and current limit can be adjusted by 

    external resistor. 

    SC8906 supports internal current limit, under voltage 

    protection, over voltage protection, output short protection 

    and over temperature protections to ensure safety under 

    abnormal conditions. 

    The IC is in a 21 pin 4x4 QFN package


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商品描述

SC8906 is a synchronous buck-boost charger converter. 

Four switches are integrated to simplify the system design. 

SC8906 employs current-mode control and can support 

very wide input and output voltage range. It can support 

applications from 2.7V to 22V VBUS range. It is able to 

effectively manage charging for 2~4 cell batteries no matter 

input/output voltage is higher, lower or equal to battery 

voltage. 

SC8906 supports input current limit, DPM (dynamic power 

management) function, and fast charging detecting. 

Charging voltage and current limit can be adjusted by 

external resistor. 

SC8906 supports internal current limit, under voltage 

protection, over voltage protection, output short protection 

and over temperature protections to ensure safety under 

abnormal conditions. 

The IC is in a 21 pin 4x4 QFN package


Features 

• Buck-Boost Battery Charger for 2 to 4 Cell Batteries 4.2V/4.35V/4.4V for 2 and 3 cells, 4.2V/4.35V for 4 cells 

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

• 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 

• DP / DM Handshaking for Fast Charging Mode 

• Safety Timer • Programmable Current Limit 

• NTC Battery Temperature Protection 

• Charging Status Indication 

• Current Monitor 

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

• Short Protection and Thermal Shutdown Protection 

• QFN-21 4 x 4 Package