ETA6964Q4Y-3A开关模式电池充电管理芯片

13.5V/3A，带电源路径管理的1芯电池充电器

13.5V/3A, 1-Cell Battery Charger with Power Path Management
ETA6964 is a highly-integrated 3A switch-mode battery charge management and system power path management device for single cell Li-Ion and Li-polymer battery. It features fast charging with high input voltage support for a wide range of smart phones, tablets and portable devices. Its low impedance power path optimizes switch-mode operation efficiency, red...

Features
High-Efficiency, 1.5MHz Synchronous Switching Buck Charger
91% Charge Efficiency at 2A from 5V Input
Programmable PFM Mode for Light Load Conditions
Supports USB On-The-Go (OTG)
Boost Converter with Up to 1.2A Output
91% Boost Efficiency at 1A Output
Output Short Circuit Protection
Wide Range Single Input to Support both USB Input and High Voltage Adapters
Support 3.9V to 13.5V Input Voltage Range with 22V Absolute Maximum Input Voltage Rating
Maximum Power Tracking by Input Voltage Limit Up to 4.5V (VINDPM)
Auto Detect USB BC1.2, SDP, CDP, DCP
and Non-Standard Adaptors
High Battery Discharge Efficiency with 27mΩ Battery Discharge MOSFET
Fast Turn-Off of Operational External OVPFET, Standing Input Voltage Up to 40V
Narrow VDC (NVDC) Power Path Management
High Integration Includes All MOSFETs, Current Sensing and Loop Compensation
Safety
Battery Temperature Sensing for Charge and Boost Mode
Thermal Regulation and Thermal Shutdown
Input UVLO and Overvoltage Protection
Available in a QFN4x4-24 package

Applications
Tablet PC, Smart Phone, Internet Devices
Portable Audio Speaker
Handheld Computers, PDA, POS

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