
Diodes Incorporated.
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
• DFN4030-12: Available in “Green” Molding Compound (No Br, Sb)
• Lead Free Finish/ RoHS Compliant (Note 1)
APPLICATIONs
• Handheld Consumer Devices
• Cell Phones, PDAs, MP3 Players
• Handheld Test Equipment
• Digital Still Cameras
• Multimedia players