User Manual

BM23SPKA1NB9
Version: 0.94 - 16 - 22/9/2014
Note: 0.4(mV/mA) * (100mA-0mA)=40mV
Line Regulation (V
OUT
+0.3V<V
IN
<4.5V
7
10
mV/V
EN threshold
Logic Low Voltage
(VIL)
0.4
V
Logic High Voltage
(VIH)
1.62
V
EN current
10
nA
Shutdown Current (*1)
<1
μA
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