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DA9021 Datasheet(PDF) 18 Page - Dialog Semiconductor

Part # DA9021
Description  System PMIC with high efficiency USB power manager
PDF  142 Pages
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Manufacturer  DIALOG [Dialog Semiconductor]
Direct Link  http://www.dialog-semiconductor.com/
Logo DIALOG - Dialog Semiconductor

DA9021 Datasheet(HTML) 18 Page - Dialog Semiconductor

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DA9021/22
System PMIC with high efficiency USB power manager
Datasheet
Revision 2.5
17-Feb-2017
CFR0011-120-00 Rev 5
18 of 142
© 2017 Dialog Semiconductor
Pin no.
Pin name
Type
(Table 4)
Description
DC-DC buck converters
F2
VBUCKCORE
AI
Sense node for DVC DC-DC BUCKCORE
F1
SWBUCKCORE
AO
Switching node for BUCKCORE to be connected to
SWBUCKPERI for buck merge
B1
VBUCKPERI
AI
Sense node for DVC DC-DC VBUCKPERI
C1
SWVBUCKPERI
AO
Switching node for BUCKPERI to be connected to
SWBUCKCORE for buck merge
D2
VBUCKMEM
AI
Sense node for DVC DC-DC BUCKMEM
G1
SWBUCKMEM
AO
Switching node for BUCKMEM
D1
VDD_PERI
PS
Supply voltage for BUCKPERI
To be connected to VDDOUT
E1
VDD_COR
PS
Supply voltage for BUCKCORE
To be connected to VDDOUT
H1
VDD_MEM
PS
Supply voltage for BUCKMEM
To be connected to VDDOUT
Reference voltage generation
A8
VREF
AIO
Reference voltage output
Decouple with 100 nF
B7
IREF
AO
Connection for bias setting
Configure with high precision 200
kΩ resistor
Internal oscillator
C8
XIN
AIO
32 kHz crystal connection adjust with 10 pF
B8
XOUT
AIO
32 kHz crystal connection adjust with 10 pF
H2
OUT_32K
DO
32 kHz oscillator buffer output
Charger
C7
VBUS_SEL
AO
Control for external overvoltage protection and input selection of
VBUS To be connected to gate of PFET
A6
VBUS_PROT
PS
Overvoltage protected VBUS charger input
C6
VBUS
PS
USB or wall charger input
A7
VCENTER
PS
Protected input for switching charger (decouple with 10 µF)
A5
VSW
PS
Switching node for charger buck
B5
VSW
PS
Switching node for charger buck
A3
VDDOUT
PS
System power supply output
A4
VDDOUT
PS
System power supply output
B2
AD_CONT
AO
Active diode controller output
To be connected to gate of PFET (leave unconnected, if not used)
A1
VBAT
PS
Connection to main battery
A2
VBAT
PS
Connection to main battery
General purpose ADC
G4
TBAT
AIO
Connection to battery NTC resistor



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