ꢀ ꢁꢂ ꢃ ꢄ ꢅ ꢂ ꢆ ꢀꢁ ꢂꢃ ꢄꢅ ꢇ
SLUS553D − MAY 2003 − REVISED JULY 2005
SELECTOR/ALARM TIMING EXAMPLE
The selector and ALARM timing example in Figure 7 illustrates the battery conditioning support.
NOTE: For manual selection of wall power as the main power source, both the ACPRES and
ACSEL signals must be a logic high.
ACPRES
ACSEL
ACDRV
BATDRV
ALARM
BATTERY
DEPLETE
bq24703 ONLY
CONDITION
UDG−00122
ACSEL
(ACPRES)
t
BATSEL
ACDRV
t
ACSEL
BATDRV
BATDEP< 1 V
t
ACSEL
BATDRV
ACDRV
t
BATSEL
UDG−00120
Figure 7. Battery Selector and ALARM Timing Diagram
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