S-8242B Datasheet, Seiko Instruments

High-accuracy voltage detection for each cell
* Overcharge detection voltage n (n = 1, 2) 3.9 V to 4.5 V (50 mV steps) Accuracy ±25 mV
* Overcharge release voltag.

* Lithium-ion rechargeable battery packs
* Lithium polymer rechargeable battery packs
* Packages Package Na.

Figure 2 Connection of charge control FET gate (CMOS output) Connection of discharge control FET gate 2 DO (CMOS output) NC*1 3 No connection Connection for negative power supply input 4 VSS and negative voltage of battery 2 Connection for negative.