赛微CW1243 4节电池保护芯片外围简单保护可靠

CW1243 4节电池保护芯片
The CW1243 series products are highly integrated protection ICs for 4 lithium-ion and lithium polymer battery packs connected in series. CW1243 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