TIDT409 September 2024
2.5 EMI
The emissions are tested to be compliant with the CISPR 25 Class 5 standards. The CISPR 25 Class 5 conducted and radiated EMI compliance was achieved. Figure 2-14 through Figure 2-43 show the waveforms of the EMI test results at 14V input.
Figure 2-14 Conducted EMI, VPA_BUS =
VPB_BUS = 5V, IPA_BUS = IPB_BUS = 3A,
Positive Line
Figure 2-15 Conducted EMI, VPA_BUS =
VPB_BUS = 5V, IPA_BUS = IPB_BUS = 3A,
Negative Line
Figure 2-16 Conducted EMI, VPA_BUS =
VPB_BUS = 9V, IPA_BUS = IPB_BUS = 3A,
Positive Line
Figure 2-17 Conducted EMI, VPA_BUS =
VPB_BUS = 9V, IPA_BUS = IPB_BUS = 3A,
Negative Line
Figure 2-18 Conducted EMI, VPA_BUS =
VPB_BUS = 15V, IPA_BUS = IPB_BUS = 2A,
Positive Line
Figure 2-19 Conducted EMI, VPA_BUS =
VPB_BUS = 15V, IPA_BUS = IPB_BUS = 2A,
Negative Line
Figure 2-20 Conducted EMI, VPA_BUS =
VPB_BUS = 20V, IPA_BUS = IPB_BUS =
1.5A, Positive Line
Figure 2-21 Conducted EMI, VPA_BUS =
VPB_BUS = 20V, IPA_BUS = IPB_BUS =
1.5A, Negative Line
Figure 2-22 Conducted EMI, VPA_BUS =
VPB_BUS = 20V, IPA_BUS = 2.25A, IPB_BUS
= 0.75A, Positive Line
Figure 2-23 Conducted EMI, VPA_BUS =
VPB_BUS = 20V, IPA_BUS = 2.25A, IPB_BUS
= 0.75A, Negative Line
Figure 2-24 Conducted EMI, VPA_BUS =
VPB_BUS = 20V, IPA_BUS = 0.75A, IPB_BUS
= 2.25A, Positive Line
Figure 2-25 Conducted EMI, VPA_BUS =
VPB_BUS = 20V, IPA_BUS = 0.75A, IPB_BUS
= 2.25A, Negative Line
Figure 2-26 Radiated EMI From 150kHz to 30MHz,
VPA_BUS = VPB_BUS = 5V, IPA_BUS =
IPB_BUS = 3A
Figure 2-27 Radiated EMI From 150kHz to 30MHz,
VPA_BUS = VPB_BUS = 9V, IPA_BUS =
IPB_BUS = 3A
Figure 2-28 Radiated EMI From 150kHz to 30MHz,
VPA_BUS = VPB_BUS = 15V, IPA_BUS =
IPB_BUS = 2A
Figure 2-29 Radiated EMI From 150kHz to 30MHz,
VPA_BUS = VPB_BUS = 20V, IPA_BUS =
IPB_BUS = 1.5A
Figure 2-30 Radiated EMI From 150kHz to 30MHz,
VPA_BUS = VPB_BUS = 20V, IPA_BUS =
2.25A, IPB_BUS = 0.75A
Figure 2-31 Radiated EMI From 150kHz to 30MHz,
VPA_BUS = VPB_BUS = 20V, IPA_BUS =
0.75A, IPB_BUS = 2.25A
Figure 2-32 Radiated EMI From 30MHz to 1000MHz,
VPA_BUS = VPB_BUS = 5V, IPA_BUS =
IPB_BUS = 3A, Horizontal
Figure 2-33 Radiated EMI From 30MHz to 1000MHz,
VPA_BUS = VPB_BUS = 5V, IPA_BUS =
IPB_BUS = 3A, Vertical
Figure 2-34 Radiated EMI From 30MHz to 1000MHz,
VPA_BUS = VPB_BUS = 9V, IPA_BUS =
IPB_BUS = 3A, Horizontal
Figure 2-35 Radiated EMI From 30MHz to 1000MHz,
VPA_BUS = VPB_BUS = 9V, IPA_BUS =
IPB_BUS = 3A, Vertical
Figure 2-36 Radiated EMI From 30MHz to 1000MHz,
VPA_BUS = VPB_BUS = 15V, IPA_BUS =
IPB_BUS = 2A, Horizontal
Figure 2-37 Radiated EMI From 30MHz to 1000MHz,
VPA_BUS = VPB_BUS = 15V, IPA_BUS =
IPB_BUS = 2A, Vertical
Figure 2-38 Radiated EMI From 30MHz to 1000MHz,
VPA_BUS = VPB_BUS = 20V, IPA_BUS =
IPB_BUS = 1.5A, Horizontal
Figure 2-39 Radiated EMI From 30MHz to 1000MHz,
VPA_BUS = VPB_BUS = 20V, IPA_BUS =
IPB_BUS = 1.5A, Vertical
Figure 2-40 Radiated EMI From 30MHz to 1000MHz,
VPA_BUS = VPB_BUS = 20V, IPA_BUS =
2.25A, IPB_BUS = 0.75A, Horizontal
Figure 2-41 Radiated EMI From 30MHz to 1000MHz,
VPA_BUS = VPB_BUS = 20V, IPA_BUS =
2.25A, IPB_BUS = 0.75A, Vertical
Figure 2-42 Radiated EMI From 30MHz to 1000MHz,
VPA_BUS = VPB_BUS = 20V, IPA_BUS =
0.75A, IPB_BUS = 2.25A, Horizontal
Figure 2-43 Radiated EMI From 30MHz to 1000MHz,
VPA_BUS = VPB_BUS = 20V, IPA_BUS =
0.75A, IPB_BUS = 2.25A, Vertical