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DA9021 Datasheet(PDF) 16 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) 16 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
16 of 142
© 2017 Dialog Semiconductor
Pin no.
Pin name
Type
(Table 4)
Description
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 over voltage 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
C5
ADCIN4
AI/DIO
Connection to GP ADC auto channel 4 with threshold IRQ
and resistor measurement option/GPIO_0
D6
ADCIN5
AI/DIO
Connection to GP ADC channel 5 with 1.2 V hardware
comparator IRQ/GPIO_1, enables hardware control of LDO4
VSS
D5
GND
VSS_QUIET
VSS_LDO
E5
GND
VSS_QUIET
VSS_IO
D3
GND
VSS_NOISY
VSS_BP_BP
D4
GND
VSS_NOISY
VSS
E3
GND
VSS_NOISY
VSS_BC_BM
E4
GND
VSS_NOISY
VSS
F4
GND
VSS
VSS_BC_BM



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