BQ25601 Datasheet, PDF (13/60 Pages) Texas Instruments – I2C Controlled 3-A, Single-Cell Battery Charger for High Input Voltage and Narrow Voltage DC (NVDC) Power Path Management

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7.6 Typical Characteristics
bq25601
SLUSCK5 – MARCH 2017
100
95
90
85
80
75
70
65
60
0
0.5
f_SW = 1.5 MHz
V_BAT=3.8V
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
I_OTG = 1.2 A
V_OTG = 5.15 V
V_VBAT = 3.8 V
Figure 3. OTG Output Voltage vs. Output 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
100
95
90
85
80
75
70
65
0.2
0.4
V_OTG = 5.15 V
V_BAT = 3.2 V
V_BAT = 3.8 V
V_BAT = 4.1 V
0.6
0.8
1
1.2
OTG Current (A)
inductor DCR = 18 mΩ
1.4
D001
Figure 2. Efficiency vs. OTG Current
6
4
2
0
-2
-4
-6
-8
0.5 0.75 1 1.25 1.5 1.75 2 2.25 2.5 2.75 3
Charge Current (A)
D001
Figure 4. Charge Current Accuracy
4.5
V_BATREG = 4.208 V
V_BATREG = 4.352 V
4.4
4.3
4.2
4.1
4
-40 -25 -10
5 20 35 50 65 80
Junction Temperature (°C)
95 110 125
D001
Figure 5. SYSMIN Voltage vs. Junction Temperature
Figure 6. BATREG Charge Voltage vs. Junction
Temperature
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