Datasheet

0
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0 25
50 75
100
125
T -JunctionTemperature-°C
J
DropoutVoltage-V -V
IN OUT
I =500mA
L
0
50
100
150
200
250
120 125 130 135 140 145
T -Free-AirTemperature-°C
A
I -mA
BAT
10V/div
200mA/div
200mV/div
40 s/divm
V
IN
I
BAT
V
BAT
4.2V
V
OUT
4.4V
400 s/divm
I
LOAD
I
BAT
V
4.4V
OUT
200mV/div
200mA/div
500mA/div
5V/div
500mV/div
5V/div
100mA/div
10ms/div
V
CE
V
CHG
I
BAT
V
BAT
3.6V
MandatoryPrecharge
2ms/div
I
LOAD
I
BAT
V
4.4V
OUT
200mV/div
500mA/div
500mA/div
V
3.9V
BAT
SupplementMode
V
CHG
I
BAT
2V/div
400ms/div
V
BAT
100mA/div
5V/div
BatteryDetectionMode
ChargingInitiated
BatteryInserted
400ms/div
V
CHG
I
BAT
V
BAT
2V/div
200mA/div
2V/div
BatteryDetectionMode
BatteryRemoved
V
IN
200mA/div
4ms/div
V
4.4V
OUT
1V/div
5V/div
I
BAT
V
PGOOD
BatterySupplyingLoad
MandatoryPrecharge
Fastcharge
V
4V
BAT
bq24230
bq24232
www.ti.com SLUS821E –OCTOBER 2008–REVISED JANUARY 2014
Typical Characteristics
Typical Application Circuit, EN1=0, EN2=1, T
A
=25°C, unless otherwise noted.
ADAPTER PLUG-IN WITH
BATTERY CONNECTED
R
LOAD
= 25Ω BATTERY DETECTION -- INSERTION BATTERY DETECTION -- REMOVAL
Figure 1. Figure 2. Figure 3.
ENTERING AND EXITING DPPM ENTERING AND EXITING BATTERY
MODE SUPPLEMENT MODE
R
LOAD
= 25Ω to 9Ω R
LOAD
= 25Ω to 4.5Ω CHARGER ON/OFF USING CE
Figure 4. Figure 5. Figure 6.
OVP FAULT DROPOUT VOLTAGE
V
IN
= 6V to 15V vs
R
LOAD
= 25Ω THERMAL REGULATION TEMPERATURE
Figure 7. Figure 8. Figure 9.
Copyright © 2008–2014, Texas Instruments Incorporated Submit Documentation Feedback 9
Product Folder Links: bq24230 bq24232