SY6912A中文资料2A Multi-Cell High Efficiency Switching Charger数据手册Silergy规格书

描述 Description

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

特性 Features

• 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

应用 Application

• Cellular Telephones,
• PDA, MP3 Players, MP4 Players
• Digital Cameras
• Bluetooth Applications
• PSP Game Players, NDS Game Players
• Notebook