ALT-ACM-KIT
LAN Magnetics Solution for 1000BASE-T Sample Kit
TDK’s ALT-ACM-KIT contains components + an eval board to simplify evaluation of the
discrete LAN magnetics solution based on the ALT4532 series transformer and the
ACM2012 series common-mode filter combination. The included ALT4532-EVA-01A
evaluation board configuration supports the 1000BASE-T Ethernet standard.
TDK has developed the ALT4532M series pulse transformers in an SMD package
using an automated winding process that provides excellent frequency performance
and manufacturing consistency due to the fully automated winding and assembly process.
When used in conjunction with the appropriate common-mode filter (ACM2012 in this case), it provides the complete
solution for LAN magnetics comparable or better than traditional LAN magnetics modules and typically in a smaller
overall footprint. The proposed ALT + ACM solution can reduce overall placement area significantly (~40%)
depending on the configuration versus a traditional LAN module. The ALT4532M-EVA-01A evaluation board allows
for quick performance evaluation, signal integrity, and EMC testing of the solution. The solution is compatible with
other Ethernet standards (10BASE-T, 100BASE-TX, and 1000BASE-T) by means of interchanging different
common-mode filters.
PRODUCT HIGHLIGHTS
DESIGN RESOURCES
• Kit contains the following components for quick
evaluation:
• ALT432-EVA-01A evaluation board
• ALT4532M-201-T001 pulse transformer
• ACM2012-900-2P-T002 common mode choke
• Allows SI/EMC test for TDK’s ALT4532 on the same
land pattern as the module
• Operating temperature range of -40°C to +85°C
• ALT4532-EVA-01A Datasheet
• ALT4532M-201-T001 Datasheet
• ACM2012-900-2P-T002 Datasheet
• Application Note - Recommended
combinations of products in the ALT
series and common mode
filters/chokes
APPLICATION EXAMPLES
• LAN interfaces of various devices including:
• Telecom switches, routers
• Computing equipment LAN ports
• Industrial network interface equipment (including Modbus
and other)
• Application Note - Server Power
Supply Circuit Products and Data
Line Products
ALT-ACM-KIT Contents
TDK Part Number
Description
Quantity
LAN Magnetics Eval Board for 1000BASE-T
1 pcs
ALT4532M-201-T001
Pulse Transformer for LAN
4 pcs
ACM2012-900-2P-T002
Common Mode Choke for Differential Signal Line
4 pcs
ALT4532-EVA-01A
(includes 4 ALT pulse transformers + 4 ACM common mode filters mounted to PCB)
TDK Corporation
●
www.product.tdk.com
●
January 2021
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