BQ24193_15 Datasheet, PDF (37/49 Pages) Texas Instruments – bq24193 I2C Controlled 4.5-A Single Cell USB/Adapter Charger with Narrow VDC Power Path Management and USB OTG

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SW
5V/div
IL
1A/div
0
400ns/div
VBUS 12 V, VBAT 3.8 V, ICHG 3 A
Figure 41. PWM Switching Waveform
SW
5V/div
IL
1A/div
VBAT 3.8 V, ILOAD 1 A
400ns/div
Figure 43. Boost Mode Switching Waveform
SYS
3.4V offset
100mV/div
SW
5V/div
bq24193
SLUSBG7 – DECEMBER 2014
IL
1A/div
4us/div
VBUS 9 V, No Battery, ISYS 10 mA, Charge Disable
Figure 42. PFM Switching Waveform
VBUS
5V offset
200mV/div
IBAT
500mA/div
IVBUS
500mA/div
4ms/div
VBAT 3.8 V
Figure 44. Boost Mode Load Transient
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