SY6912A数据手册Silergy中文资料规格书

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\r
• High Efficiency Int. Synchronous Buck Regulator with Fixed 800kHz Switching Frequency\r
• Selectable for Multi-cell Charging\r
• Trickle Current / Constant Current / Constant Voltage Charge Mode\r
• Programmable (2A Max) Constant Charge Current\r
• Programmable Charging Timer\r
• Input Voltage UVLO and Battery OVP\r
• Over Temperature Protection\r
• Output Short Circuit Protection\r
• Automatic Shutdown Prevents Reverse Energy Flow\r
• Charge Status Indication\r
• Normal Synchronous Buck Operation when Battery Removed\r
• Compact package SO8E

应用 Application

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