BQ24297 Datasheet, PDF (15/48 Pages) Texas Instruments – I2C Controlled 3A Single Cell USB Charger

www.ti.com
4.4
BAT VOLTAGE
vs
TEMPERATURE
4.35
4.3
4.25
4.2
4.15
VREG = 4.208V
VREG = 4.35V
4.1
-50 -25 0 25 50 75 100 125 150
Temperature (^oC)
Figure 10.
CHARGE CURRENT
vs
PACKAGE TEMPERATURE
2.5
TREG = 120C
TREG = 80C
2
1.5
1
0.5
0
60
80
100
120
140
160
Package Temperature (^oC)
Figure 12.
bq24297 Power Up with Charge Enabled (VBAT =3.2V)
bq24296
bq24297
SLUSBP6A – SEPTEMBER 2013 – REVISED OCTOBER 2013
INPUT CURRENT LIMIT
vs
TEMPERATURE
2.5
2
1.5
IIN = 500mA
1
IIN = 1.5A
IIN = 2A
0.5
0
-50 -25 0 25 50 75 100 125 150
Temperature ^(oC)
Figure 11.
bq24296 Power Up with Charge Enabled (VBAT =3.2V)
VBUS
5V/div
REGN
5V/div
SYS
2V/div
IVBUS
100mA/div
100ms/div
Figure 13.
bq24297 Power Up with Charge Disabled (VBAT =3.2V)
VBUS
5V/div
REGN
5V/div
SYS
2V/div
IBAT
2A/div
100ms/div
Figure 14.
VBUS
5V/div
REGN
5V/div
SYS
2V/div
IBAT
2A/div
100ms/div
Figure 15.
Copyright © 2013, Texas Instruments Incorporated
Product Folder Links: bq24296 bq24297
Submit Documentation Feedback
15