BQ25600 Datasheet, PDF (15/66 Pages) Texas Instruments – I2C Controlled 3.0-A, Single Cell Battery Charger With up-to 40-V Overvoltage Protection Controller for High-Input Voltage and Narrow Voltage DC (NVDC) Power Path Management

www.ti.com
6.7 Typical Characteristics
bq25600, bq25600D
SLUSCJ4 – JUNE 2017
100
97.5
95
92.5
90
87.5
85
82.5
80
77.5
75
0
0.5
f_SW = 1.5 MHz
V_BAT=3.8V
V_BUS = 5 V
V_BUS = 9 V
V_BUS = 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
97.5
95
92.5
90
87.5
85
82.5
80
77.5
75
0
0.2
V_OTG = 5.15 V
V_BAT = 3.1 V
V_BAT = 3.8 V
V_BAT = 4.2 V
0.4
0.6
0.8
1
OTG Current (A)
inductor DCR = 18 mΩ
1.2
D001
Figure 2. Efficiency vs. OTG Current
5
4
3
2
1
0
-1
-2
-3
-4
-5
0
0.5
1
1.5
2
2.5
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
Copyright © 2017, Texas Instruments Incorporated
Product Folder Links: bq25600 bq25600D
Submit Documentation Feedback
15