71M6543F/H and 71M6543G/GH Data Sheet
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Introduction
This data sheet covers the 71M6543F (64KB, 0.5%), 71M6543H (64KB, 0.1%), 71M6543G (128KB,
0.5%) and 71M6543GH (128KB, 0.1%) 4th-generation Teridian polyphase energy measurement system-
on-chips (SoCs). The term “71M6543” is used when discussing a device feature or behavior that is
applicable to all four part numbers. The specific part numbers are used when discussing those features
that apply only to specific part numbers. This data sheet also covers details about the companion
71M6xx3 isolated current sensor device.
This document covers the use of the 71M6543 in conjunction with the 71M6xx3 isolated current sensor.
The 71M6543 and 71M6xx3 ICs make it possible to use one non-isolated and three additional isolated
shunt current sensors to create polyphase energy meters using inexpensive shunt resistors, while
achieving unprecedented performance with this type of sensor technology. The 71M6543 SoCs also
support Current Transformers (CT).
To facilitate document navigation, hyperlinks are often used to reference figures, tables and section
headings that are located in other parts of the document. All hyperlinks in this document are highlighted in
blue. Hyperlinks are used extensively to increase the level of detail and clarity provided within each
section by referencing other relevant parts of the document. To further facilitate document navigation, this
document is published as a PDF document with bookmarks enabled.
The reader is also encouraged to obtain and review the documents listed in 8 Related Information on
page 155 of this document.
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