SLVAFJ9
March 2023
TPSF12C1
,
TPSF12C1-Q1
,
TPSF12C3
,
TPSF12C3-Q1
Abstract
1
Table of Contents
Trademarks
2
Introduction
3
EMI Frequency Ranges
4
Passive EMI Filters for High-Power, Grid-Tied Applications
5
Active EMI Filters
6
Generalized AEF Circuits
7
Selection of the CM Active Filter Circuit
8
The Concept of Capacitive Amplification
9
Practical AEF Implementations
10
Practical Results
10.1
Low-Voltage Testing
10.2
High-Voltage Testing
11
Summary
12
References
12
References
Texas Instruments white paper:
An Overview of Conducted EMI Specifications for Power Supplies
Texas Instruments white paper:
An Engineer’s Guide to Low EMI in DC/DC Regulators
“
High Efficiency GaN CCM Totem Pole Bridgeless Power Factor Correction (PFC) Reference Design
.” Texas Instruments reference design No. TIDM-1007.
Son, Yo-Chan, and Sul, Seung-Ki. “
Generalization of Active Filters for EMI Reduction and Harmonics Compensation
.” Published in
IEEE Transactions on Industry Applications
, vol. 42, no. 2 (March-April 2006): pp. 545-551.
Heldwein, Marcelo Lobo, Hans Ertl, Juergen Biela, and Johann W. Kolar. “
Implementation of a Transformerless Common-Mode Active Filter for Offline Converter Systems
.” Published in
IEEE Transactions on Industrial Electronics
, vol. 57, no. 5 (May 2010): pp. 1772-1786.
Narayanasamy, Balaji, and Luo, Fang. “
A Survey of Active EMI Filters for Conducted EMI Noise Reduction in Power Electronic Converters
.” Published in
IEEE Transactions on Electromagnetic Compatibility
, vol. 61, no. 6 (December 2019): pp. 2040-2049.
Kumar, Ashish, Hou, Yuetao, Ramadass, Yogesh, Merkin, Tim, Hegarty, Timothy, Obidat, Abdallah. “
An Active EMI filter for High-Power Off-Line Applications
.” Published in
2023 Applied Power Electronics Conference and Exhibition
, March 19-23, 2023.
Texas Instruments
Power-supply filter ICs
landing page.
TPSF12C1
and
TPSF12C1-Q1
common-mode active EMI filters for single-phase systems.
TPSF12C3
and
TPSF12C3-Q1
common-mode active EMI filters for three-phase systems.
Texas Instruments technical article:
How a stand-alone active EMI filter IC shrinks common-mode filter size