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SE9092 Datasheet(PDF) 4 Page - Seaward Electronics Inc.

Part # SE9092
Description  LCD ?들뇧?양ㅊ??A ?뺠뒄瀛욘??귞뵷黎졾뀉?듣뒸?
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Manufacturer  SEAWARD [Seaward Electronics Inc.]
Direct Link  http://www.seawardinc.com
Logo SEAWARD - Seaward Electronics Inc.

SE9092 Datasheet(HTML) 4 Page - Seaward Electronics Inc.

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北京思旺电子技术有限公司 • www.seawardinc.com.cn • 第 5 页
SE9092
LCD 电量显示、1A 单节线性锂电池充电芯片
电气参数
VDD= 5V; TA= 25°C;另有说明除外
符号
参数
测试条件
最小值
典型值
最大值
单位
限流/恒压充电管理
VDD
输入电源电压
4.0
5
6.5
V
ICC
输入电源电流
充电模式,RPROG=2K
待机模式(充电终止)
停机模式(RPROG未连接,
VDD<VBAT,或VDD<VUV
146
70
30
μA
μA
μA
VFLOAT
稳定输出(浮充)电压
IBAT = 80mA, RPROG=2K
4.137
4.2
4.263
V
IBAT
BAT引脚电流:
(电流模式测试条件为
VBAT =4V)
RPROG=2K,电流模式
RPROG=1K,电流模式
待机模式,VBAT=4.3V
停机模式(RPROG未连接)
睡眠模式,VDD=0V
500
1000
-1
±1
-1
mA
mA
μA
μA
μA
ITRIKL
涓流充电电流
VBAT<VTRIKL,RPROG=2K
52
mA
VTRIKL
涓流充电门限电压
RPROG=2K,VBAT 上升
2.9
V
VTRHYS
涓流充电迟滞电压
RPROG=2K
100
mV
VUV
VCC 欠压闭锁门限
从 VDD 低至高
3.7
V
VUVHYS
VCC 欠压闭锁迟滞
150
mV
VASD
VDD-VBAT闭锁门限电压
VDD从低到高
VDD从高到低
150
100
mV
mV
ITS
C/10终止电流门限
RPROG=2K
RPROG=1K
50
100
mA
mA
VPROG
PROG 引脚电压
RPROG=2K,电流模式
1.0
V
VCHRGT
CHRGT 引脚输入低电平
ICHRGT=5mA
0.1
V
VTS-H
TS 引脚高端翻转电压
80
%Vcc
VTS-L
TS 引脚低端翻转电压
45
%Vcc
ΔVRECHRG
再充电电池门限电压
VFLOAT-VRECHRG
150
mV
TLIM
限定温度模式中的结温
120
RON
功率FET“导通”电阻
(在 VDD 与 BAT 之间)
550
tss
软启动时间
IBAT=0 至 IBAT=1200V/RPROG
20
μs
tRECHARGE
再充电比较器滤波时间
VBAT 高至低
1
ms
tTERM
终止比较器滤波时间
IBAT 降至 ICHG/10 以下
1
ms
IPROG
PROG 引脚上拉电流
0.5
μA


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