Li-ion charger IC stresses advanced safety

Milpitas, CA – Linear Technology’s LTC4061 is a stand alone linear charger for one-cell Li-Ion batteries with advanced features to improve charging safety, simplify charge termination and status reporting, and prolong battery life. The chip, which delivers 100 mA to 1 amp, can charge batteries from a wall adapter or the USB port in MP3 players, digital cameras, PDAs and cell phones. It’s suited for both traditional 4.2-volt as well as the newer 4.4-volt float voltage Li-Ion batteries (charging accuracy is &plusmn0.5, and &plusmn0.35 percent, respectively).