ACT8937A
Rev 1, 22-Oct-12
FUNCTIONAL BLOCK DIAGRAM
(Optional)
BODY
SWITCH
CHGIN
ACIN
AC Adaptor
USB
4.35V to 6V
System Supply
VSYS
BODY
SWITCH
ActivePath
Control
Li+ Battery
BAT
VSYS
+
nSTAT
102µA
CURRENT SENSE
VOLTAGE SENSE
CHARGE STATUS
TH
PRE-
CONDITION
CHGLEV
ISET
Charge
Control
2.85V
VP1
To VSYS
THERMAL
REGULATION
OUT1
110°C
SW1
OUT1
GP12
OUT1
nRSTO
VSYS
nPBIN
PUSH BUTTON
VP2
To VSYS
OUT1
SW2
OUT2
GP12
nPBSTAT
OUT2
OUT1
nIRQ
VP3
To VSYS
SW3
OUT3
GP3
PWRHLD
OUT3
System
Control
PWREN
VSEL
SCL
INL
To VSYS
OUT4
OUT4
REG4
LDO
SDA
BAT
OUT5
OUT6
OUT7
LBI
REG5
LDO
-
OUT5
OUT6
1.2V
OUT1
+
nLBO
REG6
LDO
REG7
LDO
OUT7
REFBP
Reference
GA
EP
Innovative PowerTM
- 3 -
www.active-semi.com
Copyright © 2012 Active-Semi, Inc.
ActivePMUTM and ActivePathTM are trademarks of Active-Semi.
I2CTM is a trademark of NXP.
ACTIVE-SEMI [ ACTIVE-SEMI, INC ]
