Cirrus Logic CDB5480U - Manual (Page 13)

CDB5480U
DS893DB5 13
1.6.3 Rogowski Coil Power Meter Example
Rogowski coil power meter can be easily connected to the CDB5480U evaluation board. Figure 8 shows
the voltage and current connections for the Rogowski sensor and its associated filter configurations.
Figure 8. Rogowski Coil Power Meter
For more information, see AN365: Using the CS5480/84/90 Energy Measurement IC with Rogowski Coil
Current Sensors.
IIN1-/IIN2-
IIN1+/IIN2+
GND
GND
GND
LINE
CS
5480
CDB5480U
PH
AS
E
NEU
TRA
L
J1/J12
J4
J7/J13
J8/J14
J11
J6
R5
1K
C5/C11
0.033UF
C6/C12
0.033UF
C9
0.027UF
C4
0.027UF
R11/R22
NO POP
R1/R21
100
R2/R22
100
R7 1K
R6 1K
R9/R23
NO POP
R13/R24
NO POP
R8 422K R12 422K R14 422K R15 422K
R49/R52 1K
R50/R53 1K
C34/C1
0.033UF
C35/C2
0.033UF
J44/J51
J46/J52
R51/
R54
0
J45
J53/J56
J54/J55
IIN1+/IIN2+
IIN1-/IIN2-
VIN-
VIN+