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SC8910A

High Efficiency, Synchronous, Bi Directional Buck-Boost Charger Converter with Four Integrated MOSFET

SC8910ASC8910A

SC8910A

SC8910A is a synchronous buck-boost charger converter which also supports reverse discharging operation. Four switches are integrated to simplify the system design. SC8910A 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. When system needs to discharge from battery, the IC will deliver desired output from the battery. Through its I2C interface, user can set the charging/discharging mode easily, and program the charging current, VINREG voltage, reverse output voltage adjustment, current limits, switching frequency and other parameters flexibly. Charging voltage and current limit can be adjusted by external resistor. SC8910A 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.
SC8910A
SC8910A is a synchronous buck-boost charger converter which also supports reverse discharging operation. Four switches are integrated to simplify the system design. SC8910A 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. When system needs to discharge from battery, the IC will deliver desired output from the battery. Through its I2C interface, user can set the charging/discharging mode easily, and program the charging current, VINREG voltage, reverse output voltage adjustment, current limits, switching frequency and other parameters flexibly. Charging voltage and current limit can be adjusted by external resistor. SC8910A 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.
Product Details
Design / Development
Technical Documentation
Applications

Product Details

Design / Development

Parameters
Value
EVM Model
SC8910A EVM
Key Part Number
SC8910A
Input Voltage
2.7V~22V
Number of Battery Sections
2/3/4
communication interface
IIC
Functions
Current Monitor, NTC protection,UVP, OVP, OCP, VINDPM
SC8910A EVM

Technical Documentation

Parameter NameParameter Value
VIN range2.7~22V
Abs. VIN (max)25V
Battery Cell #2-4s
MOSint
Charge Current (max)5A
TopologyBuck-boost
OTG voltage2.7V-22V
Parameter NameParameter Value
Prog. OTG VoltageI2C Prog/Ext Res
Max. OTG current5A
Rec’d app. power level30W typ.
I2C Ctrl√
Prog. IlimI2C Prog or ext. res
NTC√
PackageQFN 4x4
Parameter NameParameter Value
VIN range2.7~22V
Abs. VIN (max)25V
Battery Cell #2-4s
MOSint
Charge Current (max)5A
TopologyBuck-boost
OTG voltage2.7V-22V
Prog. OTG VoltageI2C Prog/Ext Res
Max. OTG current5A
Rec’d app. power level30W typ.
I2C Ctrl√
Prog. IlimI2C Prog or ext. res
NTC√
PackageQFN 4x4