BQ24193_15 Datasheet, PDF (36/49 Pages) Texas Instruments – bq24193 I2C Controlled 4.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Management and USB OTG

bq24193
SLUSBG7 – DECEMBER 2014
9.2.3 Application Performance Plots
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VBUS
5V/div
REGN
5V/div
SYS
2V/div
/PG
2V/div
40ms/div
VBAT 3.2 V
Figure 35. Power Up with Charge Disabled
VBUS
5V/div
REGN
5V/div
SYS
2V/div
IBAT
2A/div
100ms/div
Figure 36. bq24193 Power Up with Charge Enabled
STAT
2V/div
/CE
5V/div
STAT
2V/div
/CE
5V/div
SW
5V/div
IBAT
1A/div
400us/div
VBUS 5 V
SW
10V/div
IBAT
2A/div
4us/div
VBUS 12 V
SYS
3.4V Offset
200mV/div
Figure 37. Charge Enable
IIN
2A/div
ISYS
2A/div
2ms/div
VBUS 5 V, IIN 3 A, Charge Disable
SYS
3.4V offset
200mV/div
ISYS
5A/div
Figure 38. Charge Disable
IIN
1A/div
IBAT
2A/div
2ms/div
VBUS 9 V, IIN 1.5 A, VBAT 3.8 V
Figure 39. Input Current DPM Response without Battery
Figure 40. Load Transient During Supplement Mode
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