The CW1041 series products are highly integrated secondary protection ICs for 2-4 lithium‐ion and lithium polymer battery packs connected in series.CW1031 provides overcharge protection for battery pack by measure the voltage.

Features
- 2-4 cells application
- Overcharge protection ?
A: Threshold from 4.150V to 4.450V, 25mV steps, ±20mV accuracy
B: Threshold from 3.600V to 3.900V, 25mV steps, ±20mV accuracy
- Internal Overcharge Protection Delay Time
- Overcharge Delay Counter Reset Time
- Open wire protection
- Low power dissipation ?
Normal working 1μA (25℃)
- Package type: DFN3*3‐8L / SOP8L

Application
- Field Note Book
- Tablet PC
- E‐Tools
- Backup power supply
- Or other lithium‐ion or lithium polymer battery packs