Data Sheet

0
20
40
60
80
100
120
0
25
50 75 100
125
T -JunctionTemperature-°C
J
DropoutVoltage-V -V
BAT OUT
VBAT =3V
VBAT =3.9V
I =1 A
L
3
3.2
3.4
3.6
3.8
4
4.2
4.4
4.6
2
2.5
3
3.5 4
4.5
V -OutputVoltage-V
O
V -BatteryVoltage-V
BAT
V =5V
IN
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0 25
50 75
100
125
T -JunctionTemperature-°C
J
DropoutVoltage-V -V
IN OUT
I =1 A
L
600
400
100
Temperature- C
o
300
200
500
0
120 125
130 135
140 145
I -mA
BAT
bq24072 , bq24073 , bq24074 , bq24075 , bq24079
SLUS810K –SEPTEMBER 2008–REVISED MARCH 2015 www.ti.com
Electrical Characteristics (continued)
Over junction temperature range (0° ≤ T
J
≤ 125°C) and the recommended supply voltage range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
LOGIC LEVELS ON EN1, EN2, CE, SYSOFF, TD
V
IL
Logic LOW input voltage 0 0.4 V
V
IH
Logic HIGH input voltage 1.4 6 V
I
IL
Input sink current V
IL
= 0 V 1 μA
I
IH
Input source current V
IH
= 1.4 V 10 μA
LOGIC LEVELS ON PGOOD, CHG
V
OL
Output LOW voltage I
SINK
= 5 mA 0.4 V
8.7 Typical Characteristics
V
IN
= 6 V, EN1=1, EN2=0, bq24073 application circuit, T
A
= 25°C, unless otherwise noted.
Figure 1. Thermal Regulation
Figure 2. Dropout Voltage vs Temperature
Figure 3. Dropout Voltage vs Temperature Figure 4. bq24072
No Input Supply Output Regulation Voltage vs Battery Voltage
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Product Folder Links: bq24072 bq24073 bq24074 bq24075 bq24079