Product Specs

Fast charge mode
Min
Typical
Max
Unit
Battery Voltage
VCHG：5V
Temperature：25°C
4.18 (-0.5%)
4.2
4.22 (+0.5%)
V
Battery Voltage
VCHG ：VFLOAT+50 mV to 6.5V
Full temperature range：-10°C to 125°C
4.16 (-1%)
4.2
4.24 (+1%)
V
Termination current
Termination accuracy as a percentage of
fast charge
0
7
10
13
1
17
20
23
2
27
30
33
3
37
40
43
Fast charge mode
Min
Typical
Max
Unit
Voltage hysteresis on VBAT,VHYST,as a
percentage of VFLOAT
0
1.8%
(75 mVat 4.2V)
2.4%
(100 mVat
4.2V)
3.0%
(125 mVat 4.2V)
%
1
3%
(125 mVat 4.2V)
3.6%
(150 mVat
4.2V)
4.2%
(175 mVat 4.2V)
%
2
4.2%
(175 mVat 4.2V)
4.8%
(200 mVat
4.2V)
5.4%
(225 mVat 4.2V)
%
3
5.4%
(225 mVat 4.2V)
6%
(250 mVat
4.2V)
6.5%
(275 mVat 4.2V)
%
Charger headroom error mode
Min
Typical
Max
Unit
Headroom error threshold (falling)
30
65
100
mV
Headroom error threshold (reading)
95
140
170
mV
Charger Vbat overvoltage mode
Min
Typical
Max
Unit
Overvoltage (reading)
4.65
4.7
4.75
V
Headroom error hysteresis
-
100
-
mV
Headroom error threshold (falling)
4.55
4.6
4.65
V
Charger with external transistor mode
Min
Typical
Max
Unit
External fast charge current,IFAST
0.2
-
1.8
A
External pass device hfe
45
120
700
-
Charger with external transistor mode
accuracy Full temperature range：-10°
C to 125°C
MAX
-
The accuracy is the sum of the following：
of current corresponding to 100mV drop
across the external sense resistor ■±1
per cent
■±accuracy of the external sense
resistor