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PM9904BPD Datasheet(PDF) 12 Page - Sames

Part # PM9904BPD
Description  Evaluation Board for the SA9904B Energy Metering IC
PDF  22 Pages
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Manufacturer  SAMES [Sames]
Direct Link  http://www.sames.co.za
Logo SAMES - Sames

PM9904BPD Datasheet(HTML) 12 Page - Sames

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PM9904BPD
SCHEMATIC
R1
2.7k
R2
2.7k
R3
2.7k
R4
2.7k
R5
2.7k
R6
2.7k
R7
47k
R8
1M
R9
1M
R10
1M
R12
24k
R11
24k
R13
24k
C1
220n
C2
220n
V1In
V2 In
V3 In
C3
1u
C4
1u
C5
1u
VSS
R14
82k
R18
82k
R22
82k
R15
120k
R19
120k
R23
120k
R16
82k
R20
82k
R24
82k
C6
1u
R26
2.7R
CT1
TZ76
CT2
TZ76
CT3
TZ76
R27
2.7R
R28
2.7R
VDD
GND
GND
GND
GND
GND
V3 Out
V2 Out
V1 Out
VDD
VSS
IIP1
18
IIN1
19
IIP2
1
IIN2
2
IIP3
4
IIN3
5
VREF
15
VSS
14
IVP1
17
IVP2
20
IVP3
3
GND
16
VDD
6
DO
9
DI
12
SCK
8
CS
13
OSC1
10
F50
7
OSC2
11
U1
SA9904B
X1
3.5795MHz
DO
DI
CS
SCK
F50
R17
120k
F50
R21
120k
SCK
R25
120k
CS
MISO
MOSI
J1
JUMPS2
J2
JUMPS2
J3
JUMPS2
1
2
3
4
5
6
7
8
JP1
SPI Port
VDD
VSS
F50
SCK
MISO
CS
MOSI
J7
N Node
N
GND
PH1
PH2
PH3
CE
C1
B1
A1
A2
B2
C2
C3
C4
B3
B4
A3
A4
Figure 14 : Schematic diagram of metering section
Figure 15: Schematic diagram of power supply
1
2
3
4
SK1
MAINS
PH1
PH3
PH2
VSS
+ C8
10u
+ C9
10u
U3
TL431
U4
TL431
+ C10
470/25V
+ C11
470/25v
D1
1N4007
C12
470/250VAC
R29
47
+ C15
470
R32
470/1W
R33
470/1W
VN
Z1
S10/275
N
D2
1N4007
D3
1N4007
C13
R30
47
Z2
S10/275
N
D4
1N4007
D5
1N4007
C14
R31
47
Z3
S10/275
N
D6
1N4007
N
VP
VDD
PH1
PH2
PH3
N
J6
GND
LL1
LL2
LL3
J4
VDD
J5
VSS
VD
VS
D7
47V
470/250VAC
470/250VAC



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