ACT8931A
Rev 3, 29-Nov-12
FUNCTIONAL BLOCK DIAGRAM
BODY
SWITCH
ACT8931A
CHGIN
ACIN
AC Adaptor
USB
4.35V to 6V
System Supply
VSYS
BODY
SWITCH
Li+ Battery
BAT
VSYS
+
nSTAT
102µA
CURRENT SENSE
CHARGE STATUS
TH
VOLTAGE SENSE
PRE-
CONDITION
CHGLEV
ISET
2.85V
VP1
To VSYS
THERMAL
REGULATION
OUT1
110°C
SW1
OUT1
GP12
OUT1
nRSTO
VSYS
nPBIN
PUSH BUTTON
VP2
To VSYS
OUT1
nPBSTAT
SW2
OUT2
GP12
OUT2
OUT1
nIRQ
VP3
To VSYS
SW3
OUT3
GP3
OUT3
PWRHLD
VSEL
SCL
INL
To VSYS
OUT4
OUT4
SDA
BAT
LDO
OUT5
OUT6
OUT7
LBI
-
OUT5
OUT6
OUT7
LDO
LDO
LDO
1.2V
VSYS
+
nLBO
REFBP
Reference
GA
EP
Innovative PowerTM
- 3 -
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Copyright © 2012 Active-Semi, Inc.
ActivePMUTM and ActivePathTM are trademarks of Active-Semi.
I2CTM is a trademark of NXP.
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
