MAX1773EUP 查看數據表（PDF） - Maxim Integrated
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MAX1773EUP Datasheet PDF : 20 Pages
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Power Source Selector for
Dual-Battery Systems
Transition Time Diagrams (continued)
(VCOM_GS = COM_ turn-on clamp voltage, VDIS_GS = DIS_ turn-on clamp voltage, VCHARGER = system step-down charger output.)
VACDET
VDIS_
MAX1773-Fig-05
ACDET TO BAT_ TRIP
THRESHOLD
VEXTLD
3V
VEXTLD + VDIS_GS
AC TO BATTERY SWITCHOVER DELAY
VBAT_ > 5 ✕ VMINV
VTHM_ < VTCOMP
Figure 5. AC to Battery Switchover Delay
VACDET
VDIS_
MAX1773-Fig-06
ACDET TO BAT_ TRIP
THRESHOLD
VEXTLD
VEXTLD + VDIS_GS
BATTERY TO AC SWITCHOVER DELAY
VBAT_ > 5 ✕ VMINV
VTHM_ < VTCOMP
Figure 6. Battery to AC Switchover Delay
VBATSEL
VCHGA
VCHGB
MAX1773-Fig-07
VCHARGER
VCHARGER
CHG_ TURN-ON DELAY
VTHMA < VTCOMP
VTHMB < VTCOMP
Figure 7. Charge Turn-On Delay (Battery A to Battery B)
VBATSEL
VCHGB
VCHGA
MAX1773-Fig-08
VCHARGER
VCHARGER
CHG_ TURN-ON DELAY
VTHMA < VTCOMP
VTHMB < VTCOMP
Figure 8. Charge Turn-On Delay (Battery B to Battery A)
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