The CW1233 series products are highly integrated protec
tion ICs for 3 lithium-ion and lithium polymer battery packs connected in series. CW1233 provides complete protection for battery pack by measuring the voltage, current and temperature.
Features
(1)Overcharge protection
• Threshold from 4.175V to 4.350V, 25mV steps, ±25mV accuracy
(2)Over discharge protection
• Threshold from 2.300V to 3.000V, 25mV steps, ±80mV accuracy
(3)Excess current protection
• Excess current 1:
Threshold from 0.030V to 0.100V, 10mV steps, ±5mV accuracy
• Excess current 1:
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
(4)Charge and discharge over temperature protection
(5)Automatic recovery after excess current protection
(6)Ultra Low power dissipation
• Normal working 15μA (25°C)
• Sleep mode 5μA (25°C)
(7)Package type : SSOP16 and SOP16
Application Field
Power tools
E-bike
Backup power supply
Or other lithium-ion or lithium polymer battery packs
Application Circuits