Battery Protection
The NB7141 is a 1-cell Li-ion / polymer battery protection IC which provides overcharge, overdischarge, charge / discharge overcurrent and short circuit protection, with built-in watchdog timer.
One-cell Li-ion Battery Protection IC with High-accuracy Overcurrent Detection Designed for Smartphone and Hearing Aid
Nisshinbo Micro Devices Inc. has introduced the new R5619 Series of one-cell Li-ion / polymer battery protection IC that provides overcharge, overdischarge, and charge/discharge overcurrent detections and is suitable for Smart Phone, Tablet PC, and Hearing aids.
DW01A Battery Protection IC
The DW01A is a battery protection IC, that provides protection against overcurrent, overcharge, and over-discharge and comes in a small SOT-23-6 package. It also has a very low quiescent current to prevent unnecessary battery drain.
R5449 Series: 1-Cell Li-ion Battery Protection IC with Built-in Driver for High-side Nch FETs and Temperature Protection
RICOH has announced a one-cell Li-ion / polymer battery protection IC R5449 series which can drive external high-side Nch MOSFETs and provides a high-accuracy detection at overcharge and overcurrent, and a high-accuracy charge inhibition for 0V battery.
