ADP5042

Manufacturer Part NumberADP5042
DescriptionMicro PMU with 0.8 A Buck, Two 300 mA LDOs, Supervisory, Watchdog and Manual Reset
ManufacturerAnalog Devices
ADP5042 datasheet
 


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Data Sheet
EVALUATION BOARD SCHEMATICS AND ARTWORK
VIN1 = 2.3V
TO 5.5V
VIN2 = 1.7V
TO 5.5V
VIN3 = 1.7V
TO 5.5V
SUGGESTED LAYOUT
0.5
1.0
1.5
GPL
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
C6 - 10
F
µ
6.3V/XR5 0603
5.5
1.8V
6.0
mm
R
FILT
30Ω
AVIN
AVIN
SW
VOUT1
TP5
BUCK
VIN1
PGND
EN_BK
C5
4.7µF
MODE
EN1
VOUT2
TP6
LDO1
VIN2
EN_LDO1
C1
1µF
WSTAT
EN2
AVIN
nRSTO
EN3
TP8
EN_LDO2
VOUT3
VIN3
LDO2
C3
1µF
AGND
Figure 67. Evaluation Board Schematic
2.0
2.5
3.0
3.5
4.0
4.5
5.0
PPL
C3 – 1µF
GPL
6.3V/XR5
0402
PPL
PPL
PPL
MODE
VIN1
GPL
GPL
AGND
SW
GPL
GPL
PGND
ADP5042
EN
EN1
GPL
GPL
GPL
GPL
C1 – 1µF
10V/XR5
0402
Figure 68. Layout
Rev. A | Page 27 of 32
L1
TP4
TP1
1µH
VOUT1 AT
800mA
C6
10µF
TP12
TP2
VOUT2 AT
300mA
C2
1µF
TP11
TP9
TP10
WDI1
TP7
WDI2
TP3
VOUT3 AT
300mA
C4
1µF
5.5
6.0
6.5
7.0
mm
3.3V
C4 – 1µF
6.3V/XR5
0402
PIN 1
MR
WDI1
WMOD
NC
EN2
VIAs LEGEND
PPL = POWER PLANE (+4V)
GPL = GROUND PLANE
C2 – 1µF
10V/XR5
TOP LAYER
0402
SECOND LAYER
1.5V
ADP5042