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