The MAX1811 is a single-cell, lithium ion battery charger that can be powered externally via a USB port up to 6.5V. This charger includes a 0.5% battery regulation for voltage accuracy to allow maximum use of the battery. An FET is included in the charger to deliver up to 500mA charging current to the battery. The device can be configured foe either 4.1V or 4.2V battery using the SELV input. The open-drain output (CHG) will indicate charge status.

MAX1811 has a preconditioning feature that will soft start a near dead battery, before charging. Other safety features are included, such as

• Charges a single cell (Lithium Ion) from a USB port
• 0.5% overall charging accuracy
• Convenient S-08 package at 1.4W
• Preconditions a near dead cell for a softer start
• Automatic IC thermal regulation
• Input diode not mandatory
• Minimal external components for a compact board

• Hand-held computers
• Cell phones
• Two-way pages
• Digital still cameras
• MP3 Players
• PDAs and Palmtops.

Please note that any defect or non – conformance of this product must be discovered and reported to RS within 20 days of purchase.

Battery Management, Maxim Integrated