Outline]
This is a protection IC developed for use with 1-serial cell lithium-ion/lithium polymer rechargeable batteries. It provides a function to protect the batteries by detecting overcharge, overdischarge, discharge overcurrent, and other abnormalities and turning off the external FET switch.
In addition, the IC has a built-in timer circuit (for each detection delay time), so that the protection circuitry can be comprised with fewer external components.

Features]
(1) High voltage CMOS process used Absolute maximum rating for charger connection 28V
(2) High electrostatic strength 20kV (150pF, 330�� aerial, contact discharge)
(3) Detection voltage precision Overcharge detection precision ��25mV (0 ~ 50oC)
Discharge overcurrent detection precision ��10mV
Overdischarge detection precision ��58mV
(4) Built-in detection delay time
(timer circuit) Overcharge detection delay time 0.25 ~ 7.0s
(mask option)
Overdischarge detection delay time 4.0 ~ 32.0ms
(mask option)
Discharge overcurrent detection delay time 4.0 ~ 32.0ms
(mask option)
Short detection delay time 400�Ss
(5) Includes a detection function for excessive chargers Detection voltage for excessive chargers 8.0V
(6) DS pin By setting this pin at VDD level, overcharge, overdischarge, discharge overcurrent can be detected, and the delay time during release can be shortened.
(7) OV charging disable function (mask option)