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 4?A (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.