BQ24296_15 Datasheet, PDF (43/55 Pages) Texas Instruments – bq2429x I2C Controlled 3-A Single Cell USB Charger With Narrow VDC Power Path Management and Adjustable Voltage USB OTG

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10.2.3 Application Performance Plots
bq24296, bq24297
SLUSBP6B – SEPTEMBER 2013 – REVISED NOVEMBER 2014
VBUS
5V/div
REGN
5V/div
SYS
2V/div
IVBUS
100mA/div
100ms/div
VBAT = 3.2 V
VBUS
5V/div
REGN
5V/div
SYS
2V/div
IBAT
2A/div
100ms/div
VBAT = 3.2 V
Figure 42. bq24296 Power Up with Charge Enabled
VBUS
5V/div
REGN
5V/div
SYS
2V/div
IBAT
2A/div
100ms/div
VBAT = 3.2 V
Figure 43. bq24297 Power Up with Charge Enabled
STAT
2V/div
CE
2V/div
SW
5V/div
IBAT
1A/div
200ms/div
VBAT = 5 V
Figure 44. bq24297 Power Up with Charge Disabled
Figure 45. Charge Enable
STAT
2V/div
CE
5V/div
SW
5V/div
IBAT
1A/div
4ms/div
IL
1A/div
SW
2V/div
400ns/div
VBUS = 5 V, No Battery, ISYS = 40 mA, Charge Disable
Figure 46. Charge Disable
Figure 47. PWM Switching in Buck Mode
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