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3 Implementation Results
Because actual performance data can be affected by measurement techniques and environmental variables,
these curves are presented for reference and can differ from actual field measurements. Unless otherwise
indicated, V
= V
= 12 V.
VDD
EN
3.1 EMI Performance
See the
Schematic
and
Bill of Materials
schematic in
Figure 1-1
gives the passive circuit component values. As shown, the EMI is reduced by 29 dB at
200 kHz when AEF is enabled.
(a)
Figure 3-1. CISPR 32 Class B Conducted Emissions With AEF Disabled (a) and Enabled (b)
3.2 Thermal Performance
Figure 3-2
shows the typical thermal performance of an active filter design rated at 10 A. The CM choke
windings and TPSF12C1 device run at 28°C and 12°C above the local ambient temperature, respectively.
See the TPSF12C1EVM-FILTER
Figure 3-2. Thermal Image of an Active Filter Design at 10-A Load, 27°C Ambient
SLVUCK7A – NOVEMBER 2022 – REVISED JULY 2023
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for details of the EVM components for this measurement. The filter
–29dB
EVM user's guide
for more detail.
L
L
CM1
C
C
X1
X2
U
1
Active EMI Filter Evaluation Module for Single-Phase AC Power Systems
Copyright © 2023 Texas Instruments Incorporated
CM2
C
X3
Implementation Results
(b)
11
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