CW1244 is 3~4 cells series protection IC which provides voltage, current, open wire, temperature protections and cell balancing.Description• Overcharge protection • Threshold 3.650V, 3.850V,and 4.175V ~4.375V, 25mV steps, ±25mV accuracy• Over discharge protection • Threshold from 2.300V to 2.800V, 100mV steps, ±30mV accuracy• Excess discharge current protection • Excess ...