BQ24292I Datasheet, PDF (13/42 Pages) Texas Instruments – I2C Controlled 4.5A Single Cell USB/Adapter Charger With Narrow VDC Power Path Management and USB OTG

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BOOST MODE VBUS VOLTAGE REGULATION
vs
VBUS LOAD CURRENT
5.04
5.02
5.00
4.98
4.96
4.94
4.92
4.90
0
VBAT = 3.2 V
VBAT = 3.8 V
VBAT = 4.2 V
200 400 600 800 1000
VBUS Load Current (A)
Figure 7.
1200
1400
C005
BAT VOLTAGE
vs
TEMPERATURE
4.25
4.21
4.17
4.13
4.09
4.05
±50
VREG = 4.112 V
VREG = 4.208 V
0
50
100
150
Temperture (ƒC)
C002
Figure 9.
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
40
CHARGE CURRENT
vs
TEMPERATURE
TREG 80 C
TREG 120 C
50 60 70 80 90 100 110 120 130
Temperture (ƒC)
C009
Figure 11.
3.80
3.75
3.70
3.65
3.60
3.55
3.50
±50
2000
1800
1600
1400
1200
1000
800
600
400
±50
bq24292i
SLUSBI4 – APRIL 2013
SYS VOLTAGE
vs
TEMPERATURE
SYSMIN 3.5 V
0
50
100
150
Temperature (ƒC)
C001
Figure 8.
INPUT CURRENT LIMIT
vs
TEMPERATURE
IIN = 500 mA
IIN = 1.5 A
IIN = 2 A
0
50
100
150
Temperature (ƒC)
C003
Figure 10.
Power Up from USB100mA (VBAT 3.2V)
VBUS
5V/div
REGN
5V/div
SYS
2V/div
IIN
200mA/div
100ms/div
Figure 12.
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