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SIT8997C

6/7 节锂电池保护芯片

产品详细信息

特性
说明

·High Accuracy Voltage Detection 

 Charge over voltage protection  

 VOV3.2V - 4.4V(Step: 25mV) 

 Charge over voltage protec🤡tion   accuracy±15mV 

 Release hysteresis voltage0 - 400mV 

 Discharge under voltage Protection  

  VUV2.0V - 3.6V (Step:   100mV) 

 Discharge under voltage p𓆉rotection accuracy ±50🃏mV

 Discharge under vo🐲ltage 🍌protection release  hysteresis voltage0 - 1.6V 

·Discharge Over Current Detection

&nbs💟p;Discharge over current 1 protection voltage  ▨VDOC10.025V - 0.400V (Step: 12.5mV) 

 Discharge over   current 1 protection ꦛvoltage  accuracy±10mV 

 Discharge over current 1 protection voltꦡa൲ge  VDOC22×VDOC1 (Step: 25mV) 

 Discha🍒rge   over current 2 protection voltage &n♏bsp;accuracy±15mV 

·Short Protection

 Short protection voltage  

 VSC4×VDOC1 (Step: 100mV)  Short prote🍰ction v🐽oltage accuracy±15mV 

·Charge Over Current Protection

 Charge over current protection voltage VCOC10mV - 50mV (Step: 10mV) 

 Ch𓆉arge over current     protection voltageꦡ accuracy: 10mV±5mV20mV - 50mV±10mV 

·Open Wire Detection 

·Battery Cell Balance

 Balance operation voltage threshold3.2V - 4.375V (25mV step) 

 Balance operation voltage accuracy±25mV 

·Temperature Protection

 Charging high temperature protection50°C  Protection accuracy±4°C(Max.) 

&nbs💎p;Charging low temperature   prote༺ction-5°C  Protection accuracy±4°C (Max.) 

 Discharging high temperature protection70°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, overꦦ charge current  protection delay time, short protection delay time  and temperat🎀ure protection delay time  

·Low Power Consumption 

 Normal operation mode current20μA (Max) 

 Sleep mode current3μA (Max) 

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

·Operation Voltage Range3V ~ 40V 

·Package20-pin TSSOP20 

♒·SEL pin to configure 6 cells or 7 cells application




SIT8997 integrates high accuracy voltage detection  circuits and time delay circuits to monitor battery cell  voltage, current and temperature and to protect Li-Ion  and Li-Polymer battery package safety. SIT8997 has  function with charging from 0V which can increase  battery pack service life. SIT8997 has three operation mode: normal mode,  sleep mode and shutdown mode. SIT8997 enters &nbsﷺp;sleep mode to reduce system power consumption  when any battery cell is in low battery status.

SIT8997C
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SIT8997C
和记AG
SIT8997C
SIT8997C

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