ADP3408(Rev0) 查看數據表（PDF） - Analog Devices
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ADP3408 Datasheet PDF : 16 Pages
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ADP3408
PWRONKEY
ROWX
PWRONIN
100k⍀
S
Q
R
SIMEN
TCXOEN
RESCAP
CHRDET
CHARGER
DETECT
EOC
CHGEN
GATEIN
BATSNS
ISENSE
GATEDR
CHRIN
LI-ION
BATTERY
CHARGE
CONTROLLER
AND
PROCESSOR
CHARGE
INTERFACE
MVBAT
AGND
VBAT
VRTCIN VBAT2
DEEP
UVLO
DISCHARGED
UVLO
SIM LDO
VBAT
VREF
OUT
EN DGND
OVER- TEMP
SHUTDOWN
DIGITAL CORE LDO
VBAT
VREF
OUT
EN DGND PG
ANALOG LDO
VBAT
VREF
OUT
EN AGND
RESET
GENERATOR
ADP3408
TCXO LDO
VBAT
VREF
OUT
EN AGND
MEMORY LDO
VBAT
VREF
OUT
EN DGND
RTC LDO
VBAT
VREF
OUT
EN DGND
+
–
1.21V
EN REF
BUFFER
Figure 1. Functional Block Diagram
VSIM
VCORE
VAN
RESET
VTCXO
VMEM
VRTC
REFOUT
AGND
DGND
EOC
CHGEN
D1
Q1
SI3441DY
GATEIN
BATSNS
GATEDR
R1
0.2⍀
C1
10nF
ISENSE
CHRIN (10V MAX)
CHRDET
ADP3408
BATTERY
CHARGE
CONTROLLER
Figure 2. Battery Charger Typical Application
–10–
REV. 0
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