ETA6954数据手册ETA中文资料规格书

描述 Description

ETA6954 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...

特性 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 30V Absolute Maximum Input Voltage Rating

• Maximum Power Tracking by Input Voltage Limit Up to 4.5V (VINDPM)

• VINDPM Threshold Automatically Tracks Battery Voltage

• High Battery Discharge Efficiency with 27mΩ Battery Discharge MOSFET

• 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

应用 Application

• Tablet PC, Smart Phone, Internet Devices

• Portable Audio Speaker

• Handheld Computers, PDA, POS