ACT8740 查看數據表（PDF） - Active-Semi, Inc
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ACT8740 Datasheet PDF : 40 Pages
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ACT8740
Rev PrB, 25-Feb-08
FUNCTIONAL BLOCK DIAGRAM
VSYS
AC Adaptor 4.3V to 6V VIN
or USB
4.0V
OUT3
FLOAT
CHGLEV
BODY AND
VSYS
CONTROL
ACT8740
BAT Li+ Battery
+
VINUVLO
Charge
Control
CURRENT
SENSE
VOLTAGE
SENSE
PRE-
CONDITION
THERMAL
REGULATION
110°C
2.9V
VP1
To Battery
PUSH
BUTTON
SCL
SDA
Serial
Interface
nMSTR
VSYS
VINUVLO
OUT3
nIRQ
System
Control
SW1
OUT1
GP1
SW2
OVP2
FB2
GP2
OUT1
To Battery
OUT2
ON1
REFBP
GA
Reference
LDO
REG3
LDO
REG4
LDO
REG5
INL
OUT3
OUT4
OUT5
To Battery
OUT3
OUT4
OUT5
Innovative Products. Active Solutions.
-3-
ActivePMUTM is a trademark of Active-Semi.
I2CTM is a trademark of Philips Electronics.
www.active-semi.com
Copyright © 2008 Active-Semi, Inc.
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