SIT8997B

·High Accuracy Voltage Detection 

 Charge over voltage protection  

 VOV：3.2V - 4.4V(Step: 25mV) 

 Charge over voltage protection   accuracy：±15mV 

 Release hysteresis voltage：0 - 400mV 

 Discharge under voltage Protection  

  VUV：2.0V - 3.6V (Step:   100mV) 

 Discharge under voltage protection accuracy ±50mV

 Discharge under voltage protection release  hysteresis voltage：0 - 1.6V 

·Discharge Over Current Detection：

 Discharge over current 1 protection voltage  VDOC1：0.025V - 0.400V (Step: 12.5mV) 

 Discharge over   current 1 protection voltage  accuracy：±10mV 

 Discharge over current 1 protection voltage  VDOC2：2×VDOC1 (Step: 25mV) 

 Discharge   over current 2 protection voltage  accuracy：±15mV 

·Short Protection：

 Short protection voltage  

 VSC：4×VDOC1 (Step: 100mV)  Short protection voltage accuracy：±15mV 

·Charge Over Current Protection：

 Charge over current protection voltage VCOC：10mV - 50mV (Step: 10mV) 

 Charge over current     protection voltage accuracy： 10mV：±5mV，20mV - 50mV：±10mV 

·Open Wire Detection 

·Battery Cell Balance：

 Balance operation voltage threshold：3.2V - 4.375V (25mV step) 

 Balance operation voltage accuracy：±25mV 

·Temperature Protection：

 Charging high temperature protection：50°C  Protection accuracy：±4°C(Max.) 

 Charging low temperature   protection：-5°C  Protection accuracy：±4°C (Max.) 

 Discharging high temperature protection：70°C  Protection accuracy：±4°C (Max.) 

·External capacitor to set over discharge voltage  protection delay time, over discharge current 1  protection delay time and over discharge   current  2 protection delay time 

·Fixed over charge voltage, over charge current  protection delay time, short protection delay time  and temperature protection delay time  

·Low Power Consumption 

 Normal operation mode current：20μA (Max) 

 Sleep mode current：3μA (Max) 

·Operation Temperature Range：-40°C ~ 85°C 

·Operation Voltage Range：3V ~ 40V 

·Package：20-pin TSSOP20 

·SEL pin to configure 6 cells or 7 cells application