BQ25606 Datasheet, PDF (12/43 Pages) Texas Instruments – Standalone 3.0-A, Single Cell Battery Charger With 40V Over Voltage Protection Controller

bq25606
SLUSCK6 – MAY 2017
7.6 Typical Characteristics
100
95
90
85
80
75
70
65
60
0
0.5
f_SW = 1.5 MHz
V_BAT = 3.8 V
VBUS Voltage
5V
9V
12 V
1
1.5
2
2.5
3
Charge Current (A)
D001
Inductor DCR = 18 mΩ
Figure 1. Charge Efficiency vs. Charge Current
6
5
4
3
2
1
0
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6
Output Current (A)
D001
0 A ≤ I_OTG ≤1.37 A
V_OTG = 5.15 V
V_VBAT = 3.8 V
Figure 3. OTG Output Voltage vs. Output Current
4.5
4.4
4.3
4.2
4.1
4
-40 -25 -10
V_BATREG = 4.208 V
V_BATREG = 4.352 V
V_BATREG = 4.4 V
5 20 35 50 65 80 95 110 125
Junction Temperature (°C)
D001
Figure 5. BATREG Charge Voltage vs. Junction
Temperature
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100
95
90
85
80
75
70
65
60
55
50
0
0.2
V_OTG = 5.15 V
V_BAT = 3.2 V
V_BAT = 3.8 V
V_BAT = 4.1 V
0.4 0.6 0.8
1
1.2 1.4
OTG Current (A)
D001
inductor DCR = 18 mΩ
Figure 2. Efficiency vs. OTG Current
3.85
3.8
3.75
3.7
3.65
3.6
3.55
3.5
-40 -25 -10
5 20 35 50 65 80
Junction Temperature (°C)
95 110 125
D001
Figure 4. SYSMIN Voltage vs. Junction Temperature
2.75
2.5
2.25
2
1.75
1.5
1.25
1
0.75
0.5
0.25
0
-40 -25
V_VBUS = 5 V
IINDPM = 1.8 A
IINDPM = 1.28 A
IINDPM = 0.52 A
-10 5 20 35 50 65 80 95
Junction Temperature (°C)
D001
Figure 6. Input Current Limit vs. Junction Temperature
12
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