HSBT3031-08 module_datasheet
Version2.0– Jun. 15
th
HANSONG ( NANJING) TECHNOLOGY CO.,LTD
23
10.3 Battery Charger
NOTE Unless specified otherwise, all specifications are applicable over the charger
operating temperature range stated in Recommended operating conditions.
Trickle charge mode
Min
Type
Max
Unit
VPRE threshold (rising)
2.0
2.1
2.2
V
VPRE threshold (falling)
1.9
2.0
2.1
V
Trickle charge current:
VCHG: 4.25 V to 6.5 V
VBAT: 0 V to 2.2 V
1
-
50
mA
Pre-charge mode
Min
Type
Max
Unit
VFAST threshold (rising)
Configured by application
software
0
2.8
2.9
3.0
V
1
2.9
3.0
3.1
V
2
3.0
3.1
3.2
V
3
2.4
2.5
2.6
V
VFAST threshold (falling) hysteresis
0.15
0.2
0.25
V
Fast charge modes
Min
Type
Max
Unit
Internal fast charge accuracy:
VCHG: 5 V
VBAT: 3.4 V
Temperature: 25
°
C
197 (1.5%) 200
203
(+1.5%)
mA
Internal fast charge accuracy:
VCHG: 4.75 V to 6.5 V
VBAT: 2 V to 4.2 V
VCHG-VBAT
≥
0.55 V
194 (-3%)
200
206 (+3%)
mA
Internal fast charge accuracy (Low
VCHG voltage)
VCHG: 4.4 V to 6.5 V
VBAT: 2 V to 4.2 V
VCHG-VBAT
≥
0.15 V
100 (-50%) 200
206 (+3%)
mA
Fast charge modes
Min
Type
Max
Unit
Battery Voltage
VCHG: 5 V
Temperature: 25
°
C
4.18
(-0.5%)
4.2
4.22
(+0.5%)
V
Battery Voltage
VCHG : 50 mV to 6.5 V
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
%
