ACT2801/ACT2801C
Rev 2, 15-Apr-14
ELECTRICAL CHARACTERISTICS
(VIN = 5V, TA = 25°C, unless otherwise specified.)
PARAMETER
Input Current Limit
TEST CONDITIONS
MIN
TYP
MAX UNIT
Input Voltage Range
4.5
5.5
5.5
6.5
V
V
VIN Over Voltage Protection
VIN rising, VIN_OVP
VIN_UVLO<VIN<VIN_OVP
ILIM=1.2kΩ—4.8kΩ
6.0
32
Input Voltage Validation Time
ms
A
Input Current Limit Setting Range
Input Current Setting
R
0.5
2.0
RILIM=1.5kΩ
1.6
A
Input Current Limit Gain
2000
Leakage Current from VOUT to VIN in Boost
Mode
0
10
15
µA
µA
3.0V<VBAT<4.35V, Ta=25℃
3.0V<VBAT<4.35V, Ta=25℃
Battery Discharge Current in High-Z Mode
7.5
Power Switches
VIN-to-VOUT FET on Resistance
VOUT-to-SW FET on Resistance
SW-to-PGND FET on Resistance
Buck Converter
90
70
75
mΩ
mΩ
mΩ
Switching Frequency
-15%
4.5
1.1
6
+15% MHz
High Side Switch Peak Current Limit
Minimum On-time
A
100
160
ns
Over Temperature Protection (OTP)
OTP rising
OTP falling
℃
℃
OTP Hysteresis
35
Charge Mode
Charge Current Setting Range
Rcs=50mΩ, RICST=20kΩ—60.4kΩ
Rcs=50mΩ, RICST=39kΩ
0.5
1.5
A
Charge Current Setting (ICHRG
)
-10%
975
110
0.1
+10% mA
Thermal Regulation Temperature
Battery Adjust Voltage(VBAJ)
End of Charge (EOC) Voltage
EOC Voltage Accuracy
℃
Rbtv=25kΩ
V
-0.5% 4.1+VBAJ 0.5%
4.1
V
V
Rbtv=0
Battery Over Voltage Threshold
Battery Over Voltage Threshold Hysteresis
Fast Charge Current
VBAT rising
4.6
200
ICHRG
10
V
mV
A
VBAT falling
VBAT=3.5V
Precondition Charge Current
2.5V≤VBAT≤2.8V, Percent of ICHRG
%
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