Data Sheet

10V/div
500mV/div
1 A/div
40 s/divm
V
IN
I
BAT
V
4.2V
BAT
V
4.4V
OUT
V
CE
I
BAT
V
3.6V
BAT
V
CHG
500mA/div
1V/div
5V/div
5V/div
10ms/div
MandatoryPrecharge
I
OUT
I
BAT
V
3.8V
BAT
500mA/div
500mV/div
1ms/div
V
4.4V
OUT
1 A/div
SupplementMode
I
OUT
I
BAT
V
3.6V
BAT
500mA/div
200mV/div
1ms/div
V
3.825V
OUT
1 A/div
SupplementMode
TrackingtoV +225mV
BAT
V
CHG
I
BAT
2V/div
400ms/div
V
BAT
1 A/div
5V/div
Battery
Removed
BatteryDetectionMode
I
OUT
I
BAT
200mV/div
400 s/divm
V
4.4V
OUT
500mA/div
500mA/div
bq24072 , bq24073 , bq24074 , bq24075 , bq24079
SLUS810K –SEPTEMBER 2008–REVISED MARCH 2015 www.ti.com
Typical Application (continued)
R
LOAD
= 20 Ω to 9 Ω
Figure 33. Battery Detection Figure 34. Entering and Exiting DPPM Mode
Battery Removed
R
LOAD
= 25 Ω to 4.5 Ω R
LOAD
= 20 Ω to 4.5 Ω
Figure 35. Entering and Exiting Battery Supplement Mode Figure 36. Entering and Exiting Battery Supplement Mode
bq24074 bq24072
V
IN
= 6 V to 15 V R
LOAD
= 10 Ω
Figure 37. Charger ON/OFF Using CE
Figure 38. OVP Fault
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