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HT4906 Datasheet(PDF) 5 Page - Hotchip Technology Co.,Ltd

Part # HT4906
Description  Li-ion Battery Charger
PDF  11 Pages
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Manufacturer  HOTCHIP [Hotchip Technology Co.,Ltd]
Direct Link  http://www.hotchip.com.cn/English/Index/index.html
Logo HOTCHIP - Hotchip Technology Co.,Ltd

HT4906 Datasheet(HTML) 5 Page - Hotchip Technology Co.,Ltd

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HT4906
5
符号
特性
测试条件
单位
Min
Typ
Max
VBSTFB
升压系统电压反馈参考
V
1.225
1.25
1.275
UVLO
电池欠压保护
V
3.2
INOLOADOFF
空载检测电流门槛
mA
20
50
100
TNOLOADOFF
空载关闭升压系统的等待时间
S
30
Dmax
最大占空比
%
78
90
95
TN_DRIVE
NGATE 驱动 (load=1nF)
上升沿时间
nS
10
下降沿时间
nS
8.5
F
工作频率
KHz
400
500
600
OTP
过温保护
degC
150
迟滞
degC
20
Vocp
峰值电流阈值
BTP=3.2V
V
0.26
0.30
0.34
BTP=4.2V
V
0.18
0.20
0.22
Tss
软启动时间
mS
2
NOTE
:欠压保护 3.2V 是指在升压没工作时,一旦电池电压小于 3.2V,升压将不会工作;当升压工作时,电池电量慢慢
降低,要低至 3V 才会关机



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