ADP3408ARU-1.8 Просмотр технического описания (PDF) - Analog Devices
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ADP3408ARU-1.8 Datasheet PDF : 20 Pages
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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
ADP3408
VBAT
VRTCIN VBAT2
DEEP
UVLO
DISCHARGED
UVLO
SIM LDO
VBAT
VREF
OUT
EN DGND
VSIM
OVER TEMP
SHUTDOWN
DIGITAL CORE LDO
VBAT
VREF
OUT
EN DGND PG
VCORE
ANALOG LDO
VBAT
VREF
OUT
EN AGND
VAN
RESET
GENERATOR
TCXO LDO
VBAT
VREF
OUT
EN AGND
MEMORY LDO
VBAT
VREF
OUT
EN DGND
RTC LDO
VBAT
VREF
OUT
EN DGND
RESET
VTCXO
VMEM
VRTC
MVBAT
AGND
ADP3408
+
–
1.21V
EN REF
BUFFER
Figure 1. Functional Block Diagram (TSSOP Option Pin Number)
REFOUT
AGND
DGND
REV. A
EOC
CHGEN
D1
10BQ015
Q1
SI3441DY
GATEIN
BATSNS
GATEDR
R1
0.2⍀
ISENSE
C1
1nF
CHRIN (10V MAX)
CHRDET
ADP3408
BATTERY
CHARGE
CONTROLLER
Figure 2. Battery Charger Typical Application (TSSOP Option Pin Number)
–11–
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