S-8254A Datasheet (Seiko Instruments)

S-8254A, BATTERY PROTECTION

1 COP FET gate connection pin for charge control (Nch open drain output) 2 VMP Pin for voltage detection between VC1 and VMP (Pin for overcurrent 3 detection) 3 DOP FET gate connection pin for discharge control FET (CMOS output) 4 VINI Pin for voltage detection between VSS and VINI (Pin for

S-8254A Features

* (1) High-accuracy voltage detection for each cell

* Overcharge detection voltage n (n = 1 to 4)

* Overcharge release voltage n (n = 1 to 4) 3.9 V to 4.4 V (50 mV step) 3.8 V to 4.4 V

* 1 Accuracy ±25 mV Accuracy ±50 mV

* Overdischarge detection voltage n (n = 1 to 4) 2