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SC8902

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

SC8902SC8902

SC8902

SC8902 is a synchronous 4-switch buck-boost charger controller which also supports reverse discharging operation. Four switches are integrated to simplify the system design. It is able to effectively manage charging for 1~4 cell batteries no matter input/output voltage is higher, lower or equal to battery voltage. When system needs to discharge from battery, SC8902 will deliver desired output from the battery. SC8902 supports very wide input and output voltage range. It can support applications from 2.7V to 22V input range and 2.7V to 22V output range. It employs current-mode control and can support bi-directional outputs by controlling DIR pin. It supports input current limit, output current limit, DPM (dynamic power management) function, dynamic output voltage adjustment, internal current limit, output short protection and over temperature protections to ensure safety under different abnormal conditions.
SC8902
SC8902 is a synchronous 4-switch buck-boost charger controller which also supports reverse discharging operation. Four switches are integrated to simplify the system design. It is able to effectively manage charging for 1~4 cell batteries no matter input/output voltage is higher, lower or equal to battery voltage. When system needs to discharge from battery, SC8902 will deliver desired output from the battery. SC8902 supports very wide input and output voltage range. It can support applications from 2.7V to 22V input range and 2.7V to 22V output range. It employs current-mode control and can support bi-directional outputs by controlling DIR pin. It supports input current limit, output current limit, DPM (dynamic power management) function, dynamic output voltage adjustment, internal current limit, output short protection and over temperature protections to ensure safety under different abnormal conditions.
Product Details
Design / Development
Technical Documentation
Applications

Product Details

Technical Documentation

Parameter NameParameter Value
VIN range2.7-22V
Abs. VIN (max)24V
Battery Cell #1~4s
MOSint.
Charge Current (max)10A
TopologyBuck-boost
Parameter NameParameter Value
OTG voltage2.7-22V
Prog. OTG VoltagePWM prog.
Max. OTG current5A
Rec’d app. power level36W typ.
Prog. IlimPWM prog.
PackageQFN 6x6
Parameter NameParameter Value
VIN range2.7-22V
Abs. VIN (max)24V
Battery Cell #1~4s
MOSint.
Charge Current (max)10A
TopologyBuck-boost
OTG voltage2.7-22V
Prog. OTG VoltagePWM prog.
Max. OTG current5A
Rec’d app. power level36W typ.
Prog. IlimPWM prog.
PackageQFN 6x6