Figure 8. Rogowski Coil Power Meter - Cirrus Logic CDB5480U General Description Manual

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.
GND
IIN1+/IIN2+
IIN1-/IIN2-
GND
LINE
GND
For more information, see AN365: Using the CS5480/84/90 Energy Measurement IC with Rogowski Coil
Current Sensors.
DS893DB5
CDB5480U
J1/J12
NO POP
R11/R22
J4

Figure 8. Rogowski Coil Power Meter

J46/J52
J8/J14
R2/R22
100
NO POP
R13/R24
J54/J55
J53/J56
J7/J13
NO POP
R9/R23
100
R1/R21
J44/J51
J6
J45
R5
1K
J11
CDB5480U
R50/R53 1K
IIN1+/IIN2+
0.033UF 0.033UF
C6/C12 C35/C2
0.033UF 0.033UF
C5/C11 C34/C1
IIN1-/IIN2-
R49/R52 1K
VIN+
0.027UF
C4
0.027UF
C9
VIN-
13