BQ24292I Datasheet, PDF (14/42 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
Power Up with Charge Disabled (VBAT 3.2V)
VBUS
5V/div
REGN
5V/div
SYS
2V/div
/PG
2V/div
STAT
2V/div
/CE
5V/div
40ms/div
Figure 13.
Charge Enable (VBUS 5V)
SW
5V/div
IBAT
1A/div
400us/div
Figure 15.
Input Current DPM Response without Battery
(VBUS 5V, IIN 3A, Charge Disable)
SYS
3.4V Offset
200mV/div
IIN
2A/div
ISYS
2A/div
2ms/div
Figure 17.
Power Up with Charge Enabled
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VBUS
5V/div
REGN
5V/div
SYS
2V/div
IBAT
2A/div
STAT
2V/div
/CE
5V/div
100ms/div
Figure 14.
Charge Disable (VBUS 12V)
SW
10V/div
IBAT
2A/div
4us/div
Figure 16.
SYS
3.4V offset
200mV/div
ISYS
5A/div
Load Transient during Supplement Mode
(VBUS 9V, IIN 1.5A, VBAT 3.8V)
IIN
1A/div
IBAT
2A/div
2ms/div
Figure 18.
14
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