SC8885S is a synchronous buck-boost charger, which
supports buck mode, boost mode and buck-boost mode
during forward charging or reverse discharging operation.
SC8885S manages 1 to 4 cells battery charging from wide
input range from 3.5V to 24V, supporting pre-charge,
constant current charge, constant voltage charge. The
battery discharging mode supports wide output range from
3V to 24V with 8mV resolution. SC8885S is compliant with
Intel IMVP8/IMVP9 specification including system power,
input current, charging or discharging current monitoring
and processor hot indication. SC8885S adopts Narrow-VDC
power path management, which automatically regulates the
current and voltage and controls the flow of power.
Through SMBus interface, user can set the
charging/discharging mode easily, and program the
charging current, charging voltage, VINREG voltage, input
current limit, reverse output voltage adjustment, current
limits, switching frequency and other parameters flexibly.
Besides, input current limit, charge voltage could be set by
external resistors.
SC8885S supports pass through mode to reduce switching
losses during forward charging. The device also supports
Vmin active mode to absorb system peak power when only
battery powers the system. 10-bit ADC is integrated to
monitor voltage, current and power. SC8885S can operate
in learn mode and ship mode to meet the user’s demands.
Full protection is supported including input over voltage
protection/undervoltage, system and battery over-voltage
protection, MOSFETs over-current protection. overtemperature
protection.
SC8885S is available in a 4mm x 4mm QFN-32 Package
MPQ:3000

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