July 2013---Released SY6912A-Company News-Silergy Corp

July 2013---Released SY6912A

cee 07.31.2013

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

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