BQ24292I Datasheet, PDF (12/42 Pages) Texas Instruments – I2C Controlled 4.5A Single Cell USB/Adapter Charger With Narrow VDC Power Path Management and USB OTG

bq24292i
SLUSBI4 – APRIL 2013
TYPICAL CHARACTERISTICS (continued)
Table 1. Tables of Figures (continued)
Power Up from USB100mA (VBAT 3.2V)
Power Up with Charge Disabled (VBAT 3.2V)
Power Up with Charge Enabled
Charge Enable (VBUS 5V)
Charge Disable (VBUS 12V)
Input Current DPM Response without Battery (VBUS 5V, I_IN 3A, Charge Disable)
Load Transient during Supplement Mode (VBUS 9V, I_IN 1.5A, VBAT 3.8V)
PWM Switching Waveform (VBUS 12V, VBAT 3.8V, ICHG 3A)
PFM Switching Waveform (VBUS 9V, No Battery, ISYS 10 mA, Charge Disable)
Boost Mode Switching Waveform (VBAT 3.8V, ILOAD 1A)
Boost Mode Load Transient (VBAT 3.8V)
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FIGURE NO.
Figure 12
Figure 13
Figure 14
Figure 15
Figure 16
Figure 17
Figure 18
Figure 19
Figure 20
Figure 22
Figure 23
CHARGING EFFICIENCY
vs
CHARGING CURRENT
95
VBUS = 5 V
VBUS = 7 V
93
VBUS = 9 V
VBUS = 12 V
91
SYSTEM LIGHT LOAD EFFICIENCY
vs
SYSTEM LOAD CURRENT
95
90
85
89
80
87
85
0
1
2
3
4
5
Load Current (A)
C011
Figure 3.
BOOST MODE EFFICIENCY
vs
VBUS LOAD CURRENT
100
VBAT = 3.2 V
VBAT = 3.8 V
95
90
85
80
0
500
1000
VBUS Load Current (A)
Figure 5.
1500
C013
75
70
0
3.70
3.68
3.66
3.64
3.62
3.60
0
VBUS = 5 V
VBUS = 9 V
100
200
300
400
500
600
Load Current (mA)
C012
Figure 4.
SYS VOLTAGE REGULATION
vs
SYSTEM LOAD
VBUS = 5 V
VBUS = 17 V
1
2
3
4
5
System Load Current (A)
C014
Figure 6.
12
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