BQ24165_14 Datasheet, PDF (12/38 Pages) Texas Instruments – 2.5A, Dual-Input, Single Cell Switch Mode Li-Ion Battery Charger with Power Path Management

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SLUSAP4B – DECEMBER 2011 – REVISED MARCH 2013
TYPICAL CHARACTERISTICS (continued)
Load Transient into Supplement Mode
OVP Fault
USB Input
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V_SYS
V_BAT
I_USB
I_BAT
1 V/div
500 mA/div
1 A/div
V_USB
V_CHG
V_SW
I_BAT
5 V/div
5 V/div
5 V/div
500 mA/div
10 ms/div
Conditions: MINSYS Operation, USB500, 200mA - 1400mA Load
Step on SYS
Figure 9.
4 ms/div
Figure 10.
IN Efficiency
100
90
80
70
60
50
40
30
20
10
0
0.1
1
System Current (A)
V_IN = 5 V
V_IN = 7 V
V_IN = 9 V
3
G001
Conditions: Charge Disabled, SYS loaded, V_BATREG = 3.6V, IN2500
ILIM
Figure 11.
USB Efficiency
100
90
80
70
60
50
40
30
20
10
0
0.1
System Current (A)
V_USB = 5 V
V_USB = 6 V
1
2
G002
Conditions: Charge Disabled, SYS loaded, V_BATREG = 3.6V, USB1500
ILIM
Figure 12.
SYSREG and MINSYS Regulation vs. Temperature
3.9
3.85
SYSREG Regulation
MINSYS Regulation
3.8
3.75
3.7
3.65
3.6
3.55
3.5
3.45
3.4
−50
0
Conditions: V_BAT = 3V
50
100
Temperature (°C)
Figure 13.
150
G003
Battery Regulation vs Temperature
4.21
4.208
4.206
4.204
4.202
4.2
4.198
4.196
4.194
4.192
4.19
0
25
50
75
100
Temperature (°C)
Conditions: V_BATREG = 4.2V, No load, Termination Disabled
Figure 14.
125
G004
12
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