Battery charger offers safe charging for portables

The MAX77301 Li+ battery charger integrates the intelligence to enumerate with the host device, automatically identify the adapter type, and then determine the fastest rate to charge a battery. With advanced temperature monitoring, the MAX77301 modulates the charge current and battery regulation voltage automatically to maximize safety in any temperature environment. It performs all of these functions without an external CPU or system hardware. The MAX77301 suits mobile equipment, such as cameras, Bluetooth headsets, MP3 players, and portable medical devices.

The battery charger automatically sets charge parameters at a safe level. The device also provides full programmability via the I2C interface, increasing flexibility. It integrates an enumeration and adapter detection engine to maximize charge current and to ensure safe and fast charging. Pricing starts at $2.22 ea/1,000 in a 25-bump 2.44 x 2.44-mm wafer-level package.