ACT8937A
Rev 1, 22-Oct-12
FUNCTIONAL BLOCK DIAGRAM
(Optional)
AC Adaptor
USB
ACIN
4.35V to 6V CHGIN
BODY
SWITCH
VSYS
System Supply
BODY
SWITCH
VSYS
ActivePath
Control
nSTAT
CHARGE STATUS
CURRENT SENSE
BAT
Li
+
Battery
102µA
+
TH
VOLTAGE SENSE
CHGLEV
ISET
OUT1
nRSTO
Charge
Control
PRE-
CONDITION
2.85V
VP1
THERMAL
REGULATION
To VSYS
110°C
SW1
OUT1
OUT1
VSYS
nPBIN
PUSH BUTTON
OUT1
nPBSTAT
GP12
VP2
SW2
OUT2
OUT2
To VSYS
OUT1
GP12
nIRQ
VP3
SW3
PWRHLD
PWREN
VSEL
INL
SCL
BAT
SDA
LBI
OUT1
nLBO
1.2V
REG4
LDO
REG5
LDO
REG6
LDO
REG7
LDO
REFBP
Reference
To VSYS
OUT3
System
Control
OUT3
GP3
To VSYS
OUT4
OUT4
OUT5
OUT5
OUT6
OUT6
OUT7
-
+
OUT7
GA
EP
Innovative Power
TM
ActivePMU
TM
and
ActivePath
TM
are trademarks of Active-Semi.
I
2
C
TM
is a trademark of NXP.
-3-
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
