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TC2120-DB

CategoryPower/power management    Battery protection chip   
File Size299KB,7 Pages
ManufacturerFine Made Electronics Group Co., Ltd.
Websitehttp://www.superchip.cn/index.aspx
Shenzhen Fuman Electronics Group Co., Ltd. was founded in 2001. It is a national high-tech enterprise engaged in the design, development, packaging, testing and sales of high-performance analog and mixed-signal integrated circuits. It currently has more than 400 IC products in the consumer field, including power management, LED driver, MOSFET, etc.
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此文档权利由FM富满享有,您也可访问FM富满官方½站获取;立创商城 WWW.SZLCSC.COM,中½领先的现货元器件交易平台。
深圳市富满电子集团股½有限公司
SHEN ZHEN FINE MAD ELECTRONICS GROUP CO., LTD.
TC2120
(文件编号:S&CIC0927)
概述
双节锂电池保护
IC
TC2120系列IC,内½高精度电压检测电路和延时电路,是用于2节串联锂离子/锂聚合物可再充电电池的保
护IC。
此系列IC适合于对2节串联可再充电锂离子/锂聚合物电池的过充电、过放电和过电流进行保护。
特点
TC2120全系列IC具备如下特点:
(1)高精度电压检测电路
4.10V~4.50V
精度
±25mV
过充电检测电压V
CUn
(n=1,2)
3.90V~4.30V
精度
±50mV
过充电释放电压V
CRn
(n=1,2)
2.00V~3.00V
精度
±80mV
过放电检测电压V
DLn
(n=1,2)
2.30V~3.40V
精度
±100mV
过放电释放电压V
DRn
(n=1,2)
(可选择)
放电过流检测电压
(可选择)
精度±30mV
充电过流检测电压
1.0V (固定)
精度±0.4V
负½½短路检测电压
(2)各延迟时间由内部电路设½(不需外接电容)
典型值1000ms
过充电检测延迟时间
典型值110ms
过放电检测延迟时间
典型值10ms
放电过流检测延迟时间
典型值7ms
充电过流检测延迟时间
典型值250μs
负½½短路检测延迟时间
(3)½耗电流
典型值5.0μA ,最大值9.0μA(VDD=7.8V)
工½模式
最大值0.1μA(VDD=4.0V)
休眠模式
(4)连接充电器的端子采用高耐压设计(CS端子和OC端子,绝对最大额定值是33V)
(5)允许向0V电池充电功½
(6)½工½温度范围:-40℃½+85℃
(7)小型封装:SOT-23-6
(8)TC2120 系列是无卤素绿色环保产品
产品应用
2节串联锂离子可再充电电池组。
2节串联锂聚合物可再充电电池组。
产品目½
参数
型号
TC2120-BB
TC2120-CB
(A 档)
过充电检测
电压
V
CUn
4.35±0.025V
4.28±0.025V
过充电释放
电压
V
CRn
4.15±0.05V
4.08±0.05V
过放电检测
电压
V
DLn
2.30±0.08V
2.90±0.08V
过放电释
放电压
V
DRn
3.00±0.1V
3.00±0.1V
放电过流检
测电压
V
DIP
200±30mV
200±30mV
充电过流检
测电压
V
CIP
-210±30mV
-210±30mV
0V
电 池
充电功½
V
0CH
允许
允许
www.superchip.cn
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