钰泰 ETA6956 QFN-24 电池充电管理芯片
FEATURES
High-Efficiency, 1.5MHz, Synchronous Switching Buck Charger
90% Charge Efficiency at 2A from 5V Input
Programmable PFM Mode for Light Load Conditions
Supports USB On-The-Go (OTG)
Programmable Current Limit Boost Converter with Up to 1.2A Output
91% Boost Efficiency at 1A Output
Output Short Circuit Protection
Programmable PFM Mode for Light Load Conditions
Wide Range Single Input to Support both USB Input and High Voltage Adapters
Support 3.9V to 13.5V Input Voltage Range With 30V Absolute Maximum Input Voltage Rating
Programmable Input Current Limit (100mA to 3.2A With 100mA Resolution) to Support USB 2.0, USB 3.0 Standards and High Voltage Adaptors (IINDPM)
High Battery Discharge Efficiency With 27mΩ Battery Discharge MOSFET
Narrow VDC (NVDC) Power Path Management
BATFET Control to Support Ship Mode, Wake Up and Full System Reset
Flexible Autonomous and I2C Mode for Optimal System Performance
High Integration Includes All MOSFETs, Current Sensing and Loop Compensation
26uA Low Battery Leakage Current to Support Ship Mode
Safety
Battery Temperature Sensing for Charge and Boost Mode
Thermal Regulation and Thermal Shutdown
Input UVLO and Overvoltage Protection
APPLICATIONS
Tablet PC, Smart Phone, Internet Devices
Portable Audio Speaker
Handheld Computers, PDA, POS