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ACT2801 数据表(PDF) 6 Page - Active-Semi, Inc

部件名 ACT2801
功能描述  5V/1.5A Backup Battery Pack Manager
PDF  25 Pages
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制造商  ACTIVE-SEMI [Active-Semi, Inc]
网页  http://www.active-semi.com
标志 ACTIVE-SEMI - Active-Semi, Inc

ACT2801 数据表(HTML) 6 Page - Active-Semi, Inc

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Rev 9, 14-Mar-17
Innovative PowerTM
- 6 -
www.active-semi.com
Copyright © 2015-2017 Active-Semi, Inc.
ACT2801/ACT2801B/ACT2801C
PARAMETER
TEST CONDITIONS
MIN
TYP MAX UNIT
Fast Charge Current
VBAT=3.5V
ICHRG
A
Precondition Charge Current
2.5V≤VBAT≤2.8V, Percent of ICHRG
10
%
Precondition Voltage Threshold
VBAT rising, Rbtv=0
2.8
V
Precondition Voltage Threshold Hysteresis
130
mV
Low VBAT Charge Current
VBAT=1V, RICST=39kΩ
200
mA
EOC Current Threshold
Percent of the fast charge current
13
%
Charge Restart Voltage Threshold
200
mV
TH Upper Temperature Voltage Threshold
Cold detect NTC thermistor, ACT2801
1.45
1.5
1.55
V
TH Lower Temperature Voltage Threshold
Hot detect NTC thermistor, ACT2801
0.28
0.3
0.32
V
TH Hysteresis
ACT2801
20
50
80
mV
TH Internal Pull-up Current
ACT2801
60
µA
LED Flash Frequency
LED flash 1s on and 1s off
0.5
Hz
Charge Current Foldback
Charge Current Reduction Threshold1 of Vout1 Starting foldback point
4.59
4.7
4.81
V
Charge Current Reduction Threshold2 of Vout1 Stop foldback point,
RCS=50mΩ, RICST=39kΩ
4.57
V
Boost Mode
Input Voltage Operation Range
3.0
4.5
V
Switching Frequency
-15%
0.55
+15%
MHz
Input Voltage UVLO
VBAT rising
3.15
3.3
3.45
V
Input Voltage UVLO Hysteresis
VBAT falling
300
400
500
mV
Output Voltage (VOUT)
Ta=25℃
4.97
5.05
5.10
V
Output Voltage Accuracy
All conditions
-3
VOUT
2
%
Output Voltage Transient Response
Vbat=3.7V, 80mA-1A-80mA, 0.1A/us
4.75
5.25
V
Output Over Voltage Protection
VOUT rising
5.7
V
Output Over Voltage Protection Hysteresis
VOUT falling
300
mV
Output Current Regulation Range
Rcs=50mΩ, RIOST=37.5kΩ—113kΩ
0.5
1.5
A
ELECTRICAL CHARACTERISTICS
(VIN = 5V, TA = 25°C, unless otherwise specified.)



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