CW1353 Cell Balancing Supported 4~5 Cells Protection IC

CW1353 is 4~5 cells protection IC which provides voltage, current,open wire and temperature protection and cell balancing.


Description

• Overcharge protection

      • Threshold 3.750V, and 4.175V ~4.450V,   25mV steps,  ±25mV accuracy

• Over discharge protection

      • Threshold from 2.100V to 3.000V,   100mV steps,   ±30mV accuracy

• Excess discharge current protection

      • Excess discharge current 1

            • Threshold from 0.050V to 0.100V,   50mV steps,  ±5mV  accuracy

      • Excess discharge current 2

            • Threshold from 0.100V to 0.200V,    100mV steps,  ±10mV  accuracy

      • Short circuits protection

            • Threshold from 0.200V to 0.500V,   100mV steps,   ±20mV  accuracy

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

      • Charging over&under temperature protection

      • Discharging over temperature protection

      • Discharging under temperature protection(optional)

• Cell balancing function

• SEL pin to choose 4 or 5 series battery

• Open wire detection

• Load detection

• PWM control discharge MOSFET

• Ultra low power dissipation

      • Normal working 15μA  (25°C)

      • Sleep mode 5μA   (25°C)

• Package type: SOP16


Application Field

• Power tools

• E-bike

• Vacuum cleaner

• Other Lithium-ion or Lithium polymer battery packs


Application Circuits


CW1353 内置均衡的4~5串保护芯片


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