Description

The API9221 has two supply inputs for highly integrated portable applications, enabling charging from a USB host, wall adapter, or car adapter.

Features

• Linear Lithium Ion / Lithium Polymer charging IC

• Supplied from USB Host or Car/Wall Adapter

• Overvoltage Protection USB: 5.4V, Wall:6.9V

• Supply Inputs Safe up to 28V

• Fast Charging with Maximum Current of 1.2A

• Integrated Linear Regulator of 4.9V at 10mA with Current Limit

• Separate Resistor-Programmable Charging Current for Wall and USB

• Resistor Programmable End-Of-Charge

• Current Limit on USB Bypass Path

• Indicator Pins for Charging and Power Present

• Enable Pin to Enable Host Control Charging

• Reverse Current Protection

• Thermal Protection

• U-DFN4030-12: Available in “Green” Molding Compound (No Br, Sb)  Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)  Halogen and Antimony Free. “Green” Device (Note 3)

Applications

• Handheld Consumer Devices

• Cell Phones, PDAs, MP3 Players

• Handheld Test Equipment

• Digital Still Cameras

• Multimedia Players