矽力杰SY6912AFCC 封装SOP-8 降压锂离子电池充电器IC电源管路IC
SY6912A is a 4.0-23V input, 2A multi-cell synchronous
Buck Li-Ion battery charger, suitable for portable
application. Select pin is convenient for multi-cell
charging. 800 kHz synchronous buck regulator integrates
of 23V rating FETs with ultra low on- resistance to
achieve high efficiency and simple circuit design.
Wide Input Voltage Range: 4.0V to 23V
•High Efficiency Int. Synchronous Buck Regulator
with Fixed 800kHz Switching Frequency
•Selectable for Multi-cell Charging
•Trickle Current / Constant Current / Constant Voltage
Charge Mode
•Programmable (2A Max) Constant Charge Current
•Programmable Charging Timer
•Input Voltage UVLO and Battery OVP
•Over Temperature Protection
•Output Short Circuit Protection
•Automatic Shutdown Prevents Reverse Energy Flow
•Charge Status Indication
•Normal Synchronous Buck Operation when Battery
Removed
•Compact package SO8E
