BQ24740_14 Datasheet, PDF (14/33 Pages) Texas Instruments – Host-Controlled Multi-Chemistry Battery Charger

bq24740
SLUS736C – DECEMBER 2006 – REVISED MARCH 2009............................................................................................................................................... www.ti.com
BATTERY REMOVAL
REF AND REGN STARTUP
V_BAT
V_PH
I_BAT
t − Time = 5 ms/div
Figure 18.
CHARGER ON ADAPTER REMOVAL
V_IN
V_BAT
I_L
t − Time = 200 ms/div
Figure 20.
NONSYNCHRONOUS TO SYNCHRONOUS TRANSITION
V_HIDRV
V_ACDET
V_REF
V_REGN
t − Time = 2 ms/div
Figure 19.
CHARGE ENABLE / DISABLE AND CURRENT
SOFT-START
V_CHGEN
V_BAT
V_PH
I_BAT
t − Time = 4 ms/div
Figure 21.
SYNCHRONOUS TO NONSYNCHRONOUS TRANSITION
V_PH
V_PH
V_LDDRV
I_L
t − Time = 4 ms/div
Figure 22.
V_LODRV
I_L
t − Time = 2 ms/div
Figure 23.
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