CW1102   is 7~10 cells 2nd protection IC which provides voltage, current, temperature and open wire  protections.    

Features    

• Overcharge protection    

     • Threshold 2.800V, 3.650V~3.900V, 4.100V ~4.500V,   25mV steps,  ±25mV accuracy    

• Over discharge protection    

     • Threshold1.200V,  2.100V~ 3.000V,   100mV steps,   ±40mV accuracy    

• Flexible temperature protection threshold (Set up by external resistor)    

     • Charging over&under temperature protection    

     • Discharging over&under temperature protection    

• Open wire detection    

• Ultra low power dissipation    

     • Normal working 6 μA  (25°C)    

     • Sleep mode 3 μA   (25°C)    

• Package type: SSOP20    

Application Field    

• Robotcleaner    

• Power tools    

• E-bike    

• Portable UPS    

• Other Lithium-ion or Lithium polymer battery packs    

Application Circuits