78M6612-DB/OMU-RF Maxim Integrated Products, 78M6612-DB/OMU-RF Datasheet - Page 33

• Manufacturer Part Number: 78M6612-DB/OMU-RF
• Description: KIT DEMO OUTLET MEAS OMU1-S-RF
• Manufacturer: Maxim Integrated Products

Specifications of 78M6612-DB/OMU-RF

• Main Purpose: *
• Embedded: *
• Utilized Ic / Part: *
• Primary Attributes: *
• Secondary Attributes: *
• Processor To Be Evaluated: 78M6612
• Data Bus Width: 8 bit
• Interface Type: UART
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

UM_6612_016
4 Schematics, Bill of Materials and PCB Layouts
This section includes the schematics, bill of materials and PCB layouts for the OMU1-S-RF Demo Board, and the schematics for the USB
Daughter Board and the UART-ISO Daughter Board.
4.1
Rev. 1.2
OMU1-S-RF Demo Board Schematics
MS 5160-49-2BK
Female NEMA 5-15
Case lower edge f acing down
MS 5160-2867
Male NEMA 5-15
Case rear panel upper half
16A 12V SPDT Low Prof ile
J1
CON1
SIPW1
CURRENT
INPUT
J2
CON1
SIPW1
J3
CON1
SIPW1
RL1
ALZ
255-1446-ND
J4
CON1
SIPW1
VOLTAGE
INPUTS
J8
CON1
SIPW1
J9
CON1
SIPW1
JP1
Weco Tst
SIP100P2
1
1
1
1
1
1
White
Black
Green
NEUTRAL
LINEE
LINEE
LINEE
EGND
MS 140-XRL450V10-RC
D1
1A 400V
SMB
MS 621-S1GB-F
C12
10uF 450V
XRL450B
R7
1M 0.1%
1206W
MS 660-RN732BTTD1004B25
R9
1M 0.1%
1206W
MS 660-RN732BTTD1004B25
STAR POINT
R1
0.004 1% 2.5W
2512P
MS 66-ULR25R004FLFTR
Sensor connection
at shunt pads
+
Figure 3: OMU1-S-RF Demo Board Electrical Schematic (1 of 2)
-12V
C20
4.7uF 25V
1206P
511-1503-1-ND
+
MS 660-RK73H2ETTD10R0F
MS 80-C330C104KCR
R6
1M 0.1%
1206W
R10
1M 0.1%
1206W
P750Y CT-ND
P750Y CT-ND
R20
10 1/2W
1210W
R8
750 0.1%
0603
R11
750 0.1%
0603
C13
0.1uF 450V
C330
Q1
PNP 500ma 30V
SOT23T
MS 610-CMPTA63
All things ref erenced to V3P3 f or 78M6612
V3P3 connected to NEUTRAL f or Saf ety due to SMA GND shield
Note: SMA GND shield is -3.3V relativ e to Neutral (Earth GND)
L1
1000uH 0.5A
18R105C
MS 580-18R105C
+
R23
10K
0603
VR1
BP5045A
SIP10BP
MS 755-BP5045A
R3
750, 0.1%
0603
1
R24
1K
0603
C5
1000pF
0603
C8
1000pF
0603
HVDC
V3P3
C19
1000pF
0603
C1
1000pF
0603
R25
750, 0.1%
0603
V3P3
RELAY 1
Non-Isolated
SMPS
-12V
C23
0.1UF
0603
C22
0.1UF
0603
10
511-1503-1-ND
C17
4.7uF 25V
1206P
C24
0.1UF
0603
IB
LINEC
EGNDV
NUETV
C21
0.1UF
0603
MS 647-UUD1E221MNL
U1A
78M6612-68QFN
+
57
56
54
55
220uF 25V lo imp
IA
IB
VA
VB
JP2
Weco Tst
SIP100P3
C15
UUDB
GND
MS 80-C0603C153K3R
+
MS 595-UCC284DP-ADJ
-12V
V3P3A
VREF
XOUT
V2P5
C16
0.015uF
0603
XIN
V1
53
59
58
50
64
62
VR2
UCC284
SOIC8
Y 1
32.768KHz
ABS25
535-9166-1-ND
C4
100pF
0603
GND
V1
XOUT
XIN
78M6612 OMU1-S-RF Demo Unit User Manual
8
C2
0.1UF
0603
GND
SD
C7
27pF
0603
C9
27pF
0603
GND
-VOUT
R4
16.9K 1%
0603
R5
20.0K, 1%
0603
VS
V3P3
V3P3
GND
5
1
GND is a virtual ground
V3P3 is Neutral/Earth Gnd
R21
16.9K 1%
0603
R22
10.0K 1%
0603
C18
0.1UF
0603
+
C3
10uF 25V
1812
478-1762-1-ND
GND
33