BQ24751RHDRG4 Datasheet, PDF (15/38 Pages) Texas Instruments – Host-controlled Multi-chemistry Battery Charger

bq24751
www.ti.com............................................................................................................................................... SLUS734D – DECEMBER 2006 – REVISED MARCH 2009
SYSTEM SELECTOR ON ADAPTER REMOVAL WITH
390 µF SYS-TO-PGND SYSTEM CAPACITOR
VBAT
VSYS
VACDRV
VBATDRV
SYSTEM SELECTOR LEARN TURN-ON WITH
390 µF SYS-TO-PGND SYSTEM CAPACITOR
t − Time = 2 ms/div
Figure 21.
SYSTEM SELECTOR LEARN TURN-OFF WITH
390 µF SYS-TO-PGND SYSTEM CAPACITOR
Figure 23.
SELECTOR GATE DRIVE VOLTAGES, 700 MS DELAY
AFTER ACDET
V_SYS
V_ACDRV
V_ACOP
I_IN
t − Time = 1 ms/div
Figure 25.
Figure 22.
SYSTEM SELECTOR ON ADAPTER INSERTION
VACPWR
VACDRV
VACGOOD
IL
t − Time = 400 ms/div
Figure 24.
CHARGER ON ADAPTER REMOVAL
V_IN
V_BAT
I_L
t − Time = 200 ms/div
Figure 26.
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