POWER SYSTEM DIAGRAMS (2/2)
AC
Adapter
12V3A
REG
DC/DC
(MAX
1634)
SW
SW
SW
SW
Battery
6 to
8.4V
Charging
Circuit
(M62242
FP)
Presence/Absence of
AC Adopter
<ADPEXIST>
E+5V1
(0.01 to 0.05A)
VDD+3V (0 to 2A)
VDD+5V (0 to 2A)
Power ON/OFF
Signal <PWON>
Charging Start
Signal (ON/OFF)
<CHG>
Battery Monitor <BATSTS3>
Battery Monitor <BATSTS2>
Battery Monitor <BATSTS1>
Battery Monitor <BATSTS0>
Status Change Signal
<STSCHGINI>
DAC12V