The LM3658SD-B is a sophisticated, feature-rich product from Texas Instruments, a global leader in semiconductor technology.

• Function: Dual-source USB/AC battery charger for single cell lithium-ion (Li-Ion) and lithium-polymer (Li-Pol) batteries.
• Source Selection: Can switch automatically between a USB port and an AC adaptor.
• Thermal Regulation: Ensures that the charger maintains a safe temperature.
• Safety Timers: Incorporates safety timers for precharge, fast charge, and termination.
• Efficiency: Designed for efficiency, with a low dropout regulator.
• Operating Modes: Operates in three modes - pre-conditioning mode, constant current mode, and constant voltage mode.
• Package: Available in a compact 10-pin 3x3mm WSON package.
• Standby Current: Features an extremely low standby current.