Features
3~5 Cells Application
Overcharge Protection
• Threshold from 4.100V to 4.500V
• 25mV Steps, ±25mV Accuracy
Internal Overcharge Protection Delay Time
Overcharge Delay Counter Reset Time
Open Wire Protection
Low Power Dissipation
• Normal Working 4A (25°C)
Package Type: MSOP8L, DFN3*4-8L
Applications
NoteBook
Tablet PC
E-Tools
Backup Power Supply
Other Lithium-ion or Lithium Polymer Battery
Packs
General Description
The CW1051 series products are highly integrated
secondary protection ICs for 3 to 5 lithium-ion and
lithium polymer battery cells connected in series.
CW1051 provides overcharge protection for
battery pack by measuring each cell’s voltage.
