CW1252B is 5 cells 2nd protection IC which provides voltage and temperature protections.Features• Overcharge Protection • Threshold from 2.8V、3.65V~3.95V、4.175V~4.500V， 25mV steps, ±25mV accuracy • Over discharge protection • Threshold from1.2V、2.100V~3.000V, 100mV steps，±30mV accuracy • Flexible temperature protection threshold (Set up by external resistor) • Charging over&under temperature protection • Discharging over temperature protection • Ultra low power dissipation • Normal operation 4μA (25°C) • Sleep mode 2.5μA (25°C) • Package type: MSOP10 Application Field• Power tools• E-bike• Portable UPS• Other Lithium-ion or Lithium polymer battery packsApplication Circuits
CW1244 is 3~4 cells series protection IC which provides voltage, current, open wire, temperature protections and cell balancing.Description• Overcharge protection • Threshold 3.650V, 3.850V,and 4.175V ~4.375V, 25mV steps, ±25mV accuracy• Over discharge protection • Threshold from 2.300V to 2.800V, 100mV steps, ±30mV 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• Ultra low power dissipation • Normal working 20μA (25°C) • Sleep mode 5μA (25°C)• Package type: SSOP16Application Field•Robotcleaner• Power tools• Portable UPS• Other Lithium-ion or Lithium polymer battery packsApplication Circuits
CW1243 is 4 cells protection IC which provides voltage, current，open wire and temperature protections.Description• Overcharge protection • Threshold 4.175V ~4.350V, 25mV steps, ±25mV accuracy• Over discharge protection • Threshold from 2.300V to 3.000V, 100mV steps, ±80mV accuracy• Excess discharge current protection • Excess discharge current 1 • Threshold from 0.030V to 0.100V, 10mV steps, ±5mV accuracy • Excess discharge current 2 • Threshold from 0.060V to 0.200V, 20mV steps, ±5mV accuracy • Short circuits protection • Threshold from 0.090V to 0.600V, 30mV steps, ±10mV accuracy• Temperature protection (Set up by external resistor)• Recover automaticly from excess discharge current protection• Ultra low power dissipation • Normal working 15μA (25°C) • Sleep mode 5μA (25°C)• Package type: SSOP16/SOP16Application Field• Power tools• E‐bike• Backup power supply• Other lithium‐ion or lithium polymer battery packsApplication Circuits
CW1242B is 4 cells 2nd protection IC which provides voltage and temperature protections. Features • Overcharge Protection • Threshold from 2.8V、3.65V~3.95V、4.175V~4.500V， 25mV steps, ±25mV accuracy • Over discharge protection • Threshold from1.2V、2.100V~3.000V, 100mV steps，±30mV accuracy • Flexible temperature protection threshold (Set up by external resistor) • Charging over&under temperature protection • Discharging over temperature protection •Ultra low power dissipation • Normal operation 4μA (25°C) • Sleep mode 2.5μA (25°C) • Package type: MSOP10 Application Field • Power tools • E-bike • Portable UPS • Other Lithium-ion or Lithium polymer battery packs Application Circuits .ueditorTableStyle {margin-bottom:10px;border-collapse:collapse;display:table;}.ueditorTableStyle table.noBorderTable td,.ueditorTableStyle table.noBorderTable th,.ueditorTableStyle table.noBorderTable caption{border:1px dashed #ddd !important}.ueditorTableStyle table.sortEnabled tr.firstRow th,.ueditorTableStyle table.sortEnabled tr.firstRow td{padding-right:20px; background-repeat: no-repeat;background-position: center right; background-image:url(undefinedthemes/default/images/sortable.png);}.ueditorTableStyle table.sortEnabled tr.firstRow th:hover,.ueditorTableStyle table.sortEnabled tr.firstRow td:hover{background-color: #EEE;}.ueditorTableStyle table{margin-bottom:10px;border-collapse:collapse;display:table;}.ueditorTableStyle td,.ueditorTableStyle th{ background:white; padding: 5px 10px;border: 1px solid #DDD;}.ueditorTableStyle caption{border:1px dashed #DDD;border-bottom:0;padding:3px;text-align:center;}.ueditorTableStyle th{border-top:1px solid #BBB;background:#F7F7F7;}.ueditorTableStyle table tr.firstRow th{border-top:2px solid #BBB;background:#F7F7F7;}.ueditorTableStyle tr.ue-table-interlace-color-single td{ background: #fcfcfc; }.ueditorTableStyle tr.ue-table-interlace-color-double td{ background: #f7faff; }.ueditorTableStyle td p{margin:0;padding:0;}
CW1241 is 2~4 cells 2nd protection IC which provides voltage protections.Features• 2~4 Cells Application• Overcharge Protection • Threshold from 4.175V to 4.500V，25mV Steps, ±25mV Accuracy• Internal Overcharge Protection Delay Time• Overcharge Delay Counter Reset Time• Output control function via CTL pin• Low power dissipation • Normal operation 6μA (25°C)• Package Type: TSSOP8Applications• NoteBook• Tablet PC• E-Tools• Backup Power Supply• Other Lithium-ion or Lithium Polymer Battery PacksApplication Circuits
CW1233 is 3 cells protection IC which provides voltage, current，open wire and temperature protections.Features• Overcharge protection • Threshold 4.175V ~4.350V, 25mV steps, ±25mV accuracy• Over discharge protection • Threshold from 2.300V to 3.000V, 100mV steps, ±80mV accuracy• Excess discharge current protection • Excess discharge current 1 • Threshold from 0.030V to 0.100V, 10mV steps, ±5mV accuracy • Excess discharge current 2 •Threshold from 0.060V to 0.200V, 20mV steps, ±5mV accuracy • Short circuits protection • Threshold from 0.090V to 0.600V, 30mV steps, ±10mV accuracy• Temperature protection (Set up by external resistor)• Recover automaticly from excess discharge current protection • Ultra low power dissipation • Normal working 15μA (25°C) • Sleep mode 5μA (25°C)• Package type: SSOP16/SOP16Application Field• Power tools• E‐bike• Backup power supply• Other lithium‐ion or lithium polymer battery packsApplication Circuits
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
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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
CW1073 is 6~7 cells protection IC，dual discharge loop protections, full protection and cell balancing features.Features• 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, ±80mV 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, ±5mV accuracy • Short circuits protection • Threshold from 0.200V to 0.500V, 100mV steps, ±10mV 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 6 or 7 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: SSOP24Application Field• Power tools• E-bike• Vacuum cleaner• Other Lithium-ion or Lithium polymer battery packsApplication Circuits
CW1072 is 6~7 cells 2nd protection IC which provides voltage, current, open wire and temperature protections.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• Flexible temperature protection threshold (Set up by external resistor) • Charging over&under temperature protection • Discharging over temperature protection • Discharging under temperature protection(optional)• SEL pin to choose 6 or 7 series battery• Open wire detection• PWM control discharge MOSFET• Ultra low power dissipation • Normal working 15μA (25°C) • Sleep mode 5μA (25°C)• Package type: SSOP16Application Field• Power tools• E-bike• Vacuum cleaner• Other Lithium-ion or Lithium polymer battery packsApplication Circuits
CW1062 is 3~6 cells 2nd protection IC which provides voltage, current, open wire protections. Features • Overcharge protection • Threshold 2.800V, 3.650V, 3.950V and 4.175V ~4.500V, 25mV steps, ±25mV accuracy • Over discharge protection • Threshold 1.200V, 2.100V to 3.000V, 100mV steps, ±30mV accuracy • Low voltage battery detection • Threshold option 0.200V, 0.500V, 1.000V, 1.500V, ±50mV accuracy • Open wire detection • Ultra low power dissipation • Normal working 8 μA (25°C) • Sleep mode 4 μA (25°C) • Package type: SSOP16 Application Field • Power tools • E-bike • Vacuum cleaner • Other Lithium-ion or Lithium polymer battery packs Application Circuits
CW1053 is 5 cells protection IC which provides voltage, current，open wire and temperature protections.Features• Overcharge protection • Threshold 4.175V ~4.350V, 25mV steps, ±25mV accuracy• Over discharge protection • Threshold from 2.300V to 3.000V, 100mV steps, ±80mV accuracy• Excess discharge current protection • Excess discharge current 1 • Threshold from 0.030V to 0.100V, 10mV steps, ±5mV accuracy • Excess discharge current 2 • Threshold from 0.060V to 0.200V, 20mV steps, ±5mV accuracy • Short circuits protection • Threshold from 0.090V to 0.600V, 30mV steps, ±10mV accuracy• Temperature protection (Set up by external resistor)• Recover automaticly from excess discharge current protection • Ultra low power dissipation • Normal working 15μA (25°C) • Sleep mode 5μA (25°C)• Package type: SSOP16/SOP16Application Field• Power tools• E‐bike• Backup power supply• Other lithium‐ion or lithium polymer battery packsApplication Field
CW1051 is 3~5 cells 2nd protection IC which provides voltage protections.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 operation 4μA (25°C)• Package Type: MSOP8L, DFN3*4-8LApplications• NoteBook• Tablet PC• E-Tools• Backup Power Supply• Other Lithium-ion or Lithium Polymer Battery PacksApplication Circuits
CW1035 is 2~3 cells protection IC which provides voltage, current and temperature protections.Features• Overcharge protection • Threshold from 4.175V to 4.275V, 25mV steps, ±25mV accuracy• Over discharge protection • Threshold from 2.500V or 2.700V, ±50mV accuracy• Excess current protection • Excess current 1 • Threshold 0.100V, ±5mV accuracy • Excess current 2 • Threshold 0.200V, ±10mV accuracy • Short circuits protection • Threshold 0.400V, ±10mV accuracy• Over temperature protection • Charging over temperature protection • Discharging over temperature protection• Automatic lock after excess current and recovery after load removed• Ultra low power dissipation • Normal working 12μA (25°C) • Sleep mode 5μA (25°C)• Package type: SOP-8Application Field• Power tools• Portable UPS• Other Lithium-ion or Lithium polymer battery packsApplication Circuits
CW1030 is Low cost 3 cells protection IC which provides voltage and current protections.Features• Overcharge protection • Threshold from 4.175V to 4.325V, 25mV steps, ±25mV accuracy• Over discharge protection • Threshold from 2.500V or 2.700V, ±50mV accuracy• Excess current protection • Excess current 1 • Threshold 0.100V, ±5mV accuracy • Excess current 2 • Threshold 0.200V, ±10mV accuracy • Short circuits protection • Threshold 0.400V, ±10mV accuracy• Automatic lock after excess current and recovery after load removed• Ultra low power dissipation • Normal working 12μA (25°C) • Sleep mode 5μA (25°C)• Package type: SOP-8Application Field• Power tools• Backup power supply• Other lithium‐ion or lithium polymer battery packsApplication Circuits