BQ24295 Datasheet, PDF (15/45 Pages) Texas Instruments – I2C Controlled 3A Single Cell USB Charger

bq24295
www.ti.com
2.5
2
1.5
1
0.5
0
60
CHARGE CURRENT
vs
PACKAGE TEMPERATURE
TREG = 120C
TREG = 80C
SLUSBC1 – SEPTEMBER 2013
bq24295 Power Up with Charge Enabled (VBAT =3.2V)
VBUS
5V/div
REGN
5V/div
80
100
120
140
160
Package Temperature (^oC)
Figure 11.
SYS
2V/div
IBAT
2A/div
100ms/div
Figure 12.
bq24295 Power Up with Charge Disabled (VBAT =3.2V)
STAT
2V/div
CE
5V/div
SW
5V/div
IBAT
1A/div
VBUS
5V/div
REGN
5V/div
SYS
2V/div
IBAT
2A/div
Charge Disable
4ms/div
Figure 15.
100ms/div
Figure 13.
PWM Switching in Buck Mode
(VBUS = 5V, No Battery, ISYS = 40mA, Charge Disable)
IL
1A/div
SW
2V/div
400ns/div
Figure 16.
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