CW1104 is 7~10 cells series protection IC which provides voltage, current，open wire, temperature protections ，cell balancing and electronic lock.   

Features    

• Overcharge protection    

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

• Over discharge protection    

     • Threshold from 1.200V, 2.100V~3.000V,   100mV steps,   ±40mV accuracy    

• Excess discharge current protection    

     • Excess discharge current 1：    

          • Threshold from 0.050V to 0.100V,   ±5mV  accuracy    

     • Excess discharge current 2：    

          • Threshold from 0.100V to 0.200V,    ±10mV  accuracy    

     • Short circuits protection    

          • Threshold from 0.200V to 0.500V,    ±20mV  accuracy    

• Excess charge current protection    

     • Threshold from-0.010V to -0.050V,   ±5mV  accuracy    

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

     • Charging over&under temperature protection    

     • Discharging over&under temperature protection    

•Cell balancing function    

•Open wire detection    

•Load detection    

•Electronic lock      

•Ultra low power dissipation    

     • Normal working 20μA  (25°C)    

     • Sleep mode 5μA   (25°C)    

•Package type: SSOP24    

Application Field    

• Robotcleaner    

• Power tools    

• E-bike    

• Portable UPS    

• Or other Lithium-ion or Lithium polymer battery packs    

Application Circuits