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EUP9232AGQIR1 Datasheet(PDF) 1 Page - Eutech Microelectronics Inc |
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EUP9232AGQIR1 Datasheet(HTML) 1 Page - Eutech Microelectronics Inc |
1 / 20 page EUP9232 DS9232 Ver1.1 Feb. 2007 1 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 Highly accurate voltage detector…………...Overcharge detection (Topt=+25°C) ±25mV Overcharge hysteresis ±50mV Overdischarge detection ±80mV Overcurrent 1 detection ±20mV Variety of detector……………………………Overcharge detection 4.25V-4.35V step of 5mV Overcharge hysteresis 0.0V-0.4V*1 step of 50mV Overdischarge detection 2.0V-2.4V step of 10mV Overdischarge hysteresis 0.0V-1V*2 step of 100mV Overcurrent 1 detection 0.095V-0.3V step of 10mV Overcurrent 2 detection 0.9V(fixed) *1 Overcharge release voltage=Over detection voltage-Overcharge hysteresis voltage *2 Overdischarge release voltage = Overdischarge detection voltage-Overdischarge hysteresis voltage. 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”.) 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 (Unavailable is option) Low current consumption Operation mode: 5µA typ. 12µA max. (-40 to +85°C) Power-down mode 0.1µA max. (-40 to +85°C) Package: TSSOP-8 RoHS compliant and 100% lead (Pb)-free APPLICATIONS Lithium-ion rechargeable battery packs. |
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