TIDT426 December 2024
2.4 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 2-5 through Figure 2-34 show the waveforms of the EMI test results at 14V input.
Figure 2-5 Conducted EMI, VPA_BUS = VPB_BUS = 5V, IPA_BUS = IPB_BUS = 3A, Positive Line
Figure 2-6 Conducted EMI, VPA_BUS = VPB_BUS = 5V, IPA_BUS = IPB_BUS = 3A, Negative Line
Figure 2-7 Conducted EMI, VPA_BUS = VPB_BUS = 9V, IPA_BUS = IPB_BUS = 3A, Positive Line
Figure 2-8 Conducted EMI, VPA_BUS = VPB_BUS = 9V, IPA_BUS = IPB_BUS = 3A, Negative Line
Figure 2-9 Conducted EMI, VPA_BUS = VPB_BUS = 15V, IPA_BUS = IPB_BUS = 3A, Positive Line
Figure 2-10 Conducted EMI, VPA_BUS = VPB_BUS = 15V, IPA_BUS = IPB_BUS = 3A, Negative Line
Figure 2-11 Conducted EMI, VPA_BUS = VPB_BUS = 20V, IPA_BUS = IPB_BUS = 2.25A, Positive Line
Figure 2-12 Conducted EMI, VPA_BUS = VPB_BUS = 20V, IPA_BUS = IPB_BUS = 2.25A, Negative Line
Figure 2-13 Conducted EMI, VPA_BUS = VPB_BUS = 20V, IPA_BUS = 3A, IPB_BUS = 1.5A, Positive Line
Figure 2-14 Conducted EMI, VPA_BUS = VPB_BUS = 20V, IPA_BUS = 3A, IPB_BUS = 1.5A, Negative Line
Figure 2-15 Conducted EMI, VPA_BUS = VPB_BUS = 20V, IPA_BUS = 1.5A, IPB_BUS = 3A, Positive Line
Figure 2-16 Conducted EMI, VPA_BUS = VPB_BUS = 20V, IPA_BUS = 1.5A, IPB_BUS = 3A, Negative Line
Figure 2-17 Radiated EMI From 150kHz to 30MHz, VPA_BUS = VPB_BUS = 5V, IPA_BUS = IPB_BUS = 3A
Figure 2-18 Radiated EMI From 150kHz to 30MHz, VPA_BUS = VPB_BUS = 9V, IPA_BUS = IPB_BUS = 3A
Figure 2-19 Radiated EMI From 150kHz to 30MHz, VPA_BUS = VPB_BUS = 15V, IPA_BUS = IPB_BUS = 3A
Figure 2-20 Radiated EMI From 150kHz to 30MHz, VPA_BUS = VPB_BUS = 20V, IPA_BUS = IPB_BUS = 2.25A
Figure 2-21 Radiated EMI From 150kHz to 30MHz, VPA_BUS = VPB_BUS = 20V, IPA_BUS = 3A, IPB_BUS = 1.5A
Figure 2-22 Radiated EMI From 150kHz to 30MHz, VPA_BUS = VPB_BUS = 20V, IPA_BUS = 1.5A, IPB_BUS = 3A
Figure 2-23 Radiated EMI From 30MHz to 1000MHz, VPA_BUS = VPB_BUS = 5V, IPA_BUS = IPB_BUS = 3A, Horizontal
Figure 2-24 Radiated EMI From 30MHz to 1000MHz, VPA_BUS = VPB_BUS = 5V, IPA_BUS = IPB_BUS = 3A, Vertical
Figure 2-25 Radiated EMI From 30MHz to 1000MHz, VPA_BUS = VPB_BUS = 9V, IPA_BUS = IPB_BUS = 3A, Horizontal
Figure 2-26 Radiated EMI From 30MHz to 1000MHz, VPA_BUS = VPB_BUS = 9V, IPA_BUS = IPB_BUS = 3A, Vertical
Figure 2-27 Radiated EMI From 30MHz to 1000MHz, VPA_BUS = VPB_BUS = 15V, IPA_BUS = IPB_BUS = 3A, Horizontal
Figure 2-28 Radiated EMI From 30MHz to 1000MHz, VPA_BUS = VPB_BUS = 15V, IPA_BUS = IPB_BUS = 3A, Vertical
Figure 2-29 Radiated EMI From 30MHz to 1000MHz, VPA_BUS = VPB_BUS = 20V, IPA_BUS = IPB_BUS = 2.25A, Horizontal
Figure 2-30 Radiated EMI From 30MHz to 1000MHz, VPA_BUS = VPB_BUS = 20V, IPA_BUS = IPB_BUS = 2.25A, Vertical
Figure 2-31 Radiated EMI From 30MHz to 1000MHz, VPA_BUS = VPB_BUS = 20V, IPA_BUS = 3A, IPB_BUS = 1.5A, Horizontal
Figure 2-32 Radiated EMI From 30MHz to 1000MHz, VPA_BUS = VPB_BUS = 20V, IPA_BUS = 3A, IPB_BUS = 1.5A, Vertical
Figure 2-33 Radiated EMI From 30MHz to 1000MHz, VPA_BUS = VPB_BUS = 20V, IPA_BUS = 1.5A, IPB_BUS = 3A, Horizontal
Figure 2-34 Radiated EMI From 30MHz to 1000MHz, VPA_BUS = VPB_BUS = 20V, IPA_BUS = 1.5A, IPB_BUS = 3A, Vertical