杰华特多节锂电保护IC

FEATURES

1， Input voltage is high to 60V
    2， Monitor 5~10 series cell battery and suppor cascaded operation

3， High-accuracy voltage detection for each cell  Overcharge detection voltage:
           3.6~4.4V (33mV step） Accuracy ±20 mV   Overcharge release hysteresis:
           0.1~0.4V (50mV step)  Overdischarge detection voltage:
           2.0~3.2V (100mV step) Accuracy ±80 mV  Overdischarge release hysteresis:
          0.1~0.7V (100mV step)

4， Discharge overcurrent detection in 3-step 1st Discharge overcurrent detection voltage:   0.025~0.07V (15mV step) Accuracy ±10mV    2nd Discharge                 overcurrent detection voltage: 0.1~0.25V (20mV step)                  

           Accuracy ±10mV    Short circuit detection voltage:    0.3~1.0V (100mV step) Accuracy ±100mV  

    5.  Charge overcurrent detection voltage  -0.2V Accuracy ±30 mV

    6.  Fixed internally: Overcharge detection delay time 1.5s  Over discharge detection delay time 1.5s  Charge overcurrent detection delay time 25ms Load                short circuit detection delay time  300us


7.  Programmable by external capacitor: Discharge overcurrent detection delay time, 1st: 0.2~10s 2nd: (0.2~10s) *1%

8.  Fault detection on the external capacitor


9.  High-accuracy battery temperature detection Charging over-temperature protection threshold: 0.85V Accuracy ±30mV Charging over-temperature                        hysteresis: 90mVDischarging over-temperature protection
         threshold: 0.95V Accuracy ±40mV  Discharging over-temperature hysteresis:  70mV

 

    10.  1.2V LDO output (1mA) for external application

11.   Discharge disable mode selectable

12.   Charging Permission (CP) condition check

13.   Wide range of operation voltage 6V to 60V

14 .  Wide range of operation temperature -40°C to +85°C

15.   Low current consumption     During full power 20μA max. (T=25°C)
                                                              During sleep mode 12μA max. (T=25°C)
                                                              During shutdown 350nA max. (T=25°C)

 16.  24-Pin TSSOP



Single-stage operation (10cells):