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| BQ24705 Datasheet, PDF (12/30 Pages) Texas Instruments – Host-Controlled Multi-Chemistry Battery Charger With Low Input Power Detect | |||
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bq24705
SLUS779 â DECEMBER 2007
BATTERY REMOVAL
VBAT
VPH
IBAT
t â Time = 5 ms/div
Figure 18.
CHARGER ON ADAPTER REMOVAL
VIN
VBAT
IL
t â Time = 200 ms/div
Figure 20.
NONSYNCHRONOUS TO SYNCHRONOUS TRANSITION
PH
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REF AND REGN STARTUP
Figure 19.
CHARGE ENABLE / DISABLE AND CURRENT
SOFT-START
VCHGEN
VBAT
VPH
IBAT
t â Time = 4 ms/div
Figure 21.
SYNCHRONOUS TO NONSYNCHRONOUS TRANSITION
PH
LDRV
IL
t â Time = 1 ms/div
Figure 22.
LDRV
IL
t â Time = 1 ms/div
Figure 23.
12
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Copyright © 2007, Texas Instruments Incorporated
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