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AXP221 Datasheet(PDF) 10 Page - List of Unclassifed Manufacturers

Part # AXP221
Description  PMIC Optimized For Multi-Core High-Performance System
PDF  52 Pages
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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AXP221 Datasheet(HTML) 10 Page - List of Unclassifed Manufacturers

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AXP221
PMIC Optimized For Multi-Core High-Performance System
PAGE 10
Copyright © 2013 X-Powers Limited. All Rights Reserved.
Datasheet
Revision 1.2
序号
管脚名
类型
控制条件
描述
30
TS
I
BatteryTemperatureSensorInputoranExternal
ADCInput
31
GPIO1
IO
REG 92H[2:0]
GPIO1
LownoiseLDO
32
ALDO1
O
OutputPinofALDO1
33
DLDOIN
PI
ALDOInputSource
34
ALDO2
O
OutputPinofALDO2
35
VREF
O
Internalreferencevoltage
36
ALDO3
O
OutputpinofALDO3
37
GPIO0
IO
REG 90H[2:0]
GPIO0
LownoiseLDO
38
DCDC3
I
DC-DC3feedbackpin
39
VIN3
PI
DCDC3InputSource
40,41
LX3
IO
InductorPinforDCDC3
42
PGND2
G
NMOSGroundforDCDC2
43
PWROK
O
PowerGoodIndicationOutput
44
SCK
I
Clockpinforserialinterface.Normally,it
connectsa2.2Kresistorto3.3VI/Opower
45
SDA
IO
Datapinforserialinterface.Normally,it
connectsa2.2Kresistorto3.3VI/Opower
46
VCC_RTC
O
OutputPinofVCC_RTC
47
VINT
PO
Internallogicpower,1.8V
48
VBUS
PI
VBUSInput
49
BATSENSE
I
PWMChargerCurrentSenseResistancePositive
Input
50
LOADSENSE
I
PWMChargerCurrentSenseResistance
NegativeInput
51
N_BATDRV
O
BATtoPSexternPMOSdriver
52
CHGLED
O
chargerstatusindication
53,54
IPSOUT
PO
Systempowersource
55,56
ACIN
PI
Adapterinput
57
CHSENSEP
I
PWMChargerCurrentLimiteSenseResistance
PositiveInput
58
CHSENSEN
I
PWMChargerCurrentLimiteSenseResistance
NegativeInput
59
PGND_CHG
G
NMOSGroundforPWMCharger
60,61
LX_CHG
IO
InductorPinforPWMCharger
62,63
VIN_CHG
I
ChargerInputsource
64
VIN4
I
DCDC4inputsource
65
LX4
IO
InductorPinforDCDC4
66
PGND4
G
NMOSGroundforDCDC4



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