User's Manual

BM63SPKA1MGA
ISSC Confidential (Version: 1.2) - 17 - 10/15/2014
Table 5: Battery Charger
Charging Mode (BAT_IN rising to 4.2V)
Min
Typ
Max
Unit
Operation Temperature
-40
85
℃
Input Voltage (V
IN
)
Note: It needs more time to get battery fully charged when
V
IN
=4.5V
4.5
5.0
7.0
V
Supply current to charger only
3
4.5
mA
Battery trickle charge current
(BAT_IN < trickle charge voltage threshold)
0.1C
mA
Maximum Battery
Fast Charge Current
Note: ENX2=0
Headroom > 0.7V
(ADAP_IN=5V)
170
200
240
mA
Headroom = 0.3V
(ADAP_IN=4.5V)
160
180
240
mA
Maximum Battery
Fast Charge Current
Note: ENX2=1
Headroom > 0.7V
(ADAP_IN=5V)
330
370
420
mA
Headroom = 0.3V
(ADAP_IN=4.5V)
180
220
270
mA
Minimum Step
1
mA
Trickle Charge Voltage Threshold
3
V
Float Voltage
4.158
4.2
4.242
V
Battery Charge Termination Current,
% of Fast Charge Current
10
%
Standby Mode (BAT_IN falling from 4.2V)
Supply current to charger only
2
4
mA
Battery Current
-1
μA
Battery Recharge Current
Note: C  Battery Capacity (*1)
0.25C
mA