EUP9232

EUP9232 LI-ION/POLYMER TWO CELL PROTECTOR DESCRIPTION The EUP9232 Series are lithium-ion rechargeable battery protection ICs incorporating high-accuracy voltage detection circuits and delay circuits. The EUP9232 Series are suitable for a 2-cell serial lithium- ion battery pack. FEATURES z Highly accurate voltage detector…………...Overcharge detection (Topt=+25°C) Overcharge hysteresis Overdischarge detection Overcurrent 1 detection z Variety of detector……………………………Overcharge detection Overcharge hysteresis Overdischarge detection Overdischarge hysteresis Overcurrent 1 detection Overcurrent 2 detection *1 Overcharge release voltage=Over detection voltage-Overcharge hysteresis voltage *2 Overdischarge release voltage = Overdischarge detection voltage-Overdischarge hysteresis voltage. ±25mV ±50mV ±80mV ±20mV www.DataSheet4U.com 4.25V-4.35V step of 5mV 0.0V-0.4V*1 step of 50mV 2.0V-2.4V step of *2 10mV 0.0V-1V step of 100mV 0.095V-0.3V step of 10mV 0.9V(fixed) z z z High input-voltage device: Absolute maximum ratings 28V Wide operating voltage range :2 to 16V The delay time for every detection can be set via an external capacitor. (Each delay time for Overcharge detection, Overdischarge detection, Overcurent detection are “Proportion of hundred to ten to one”.) z z z z „ „ Two overcurrent detection levels (Protection for shourt-circuiting) Internal auxiliary over voltage detection circuit (Fall-safe for overcharge detection voltage) Internal charge circuit for 0V battery...