This document is the user manual of 71M6521, which introduces the use of demo board, including demo kit contents, compatibility, recommended equipment, demo board test setup, etc.
This manual describes the Teridian 71M6521 Demo Board, a development platform for evaluating the 71M6521 single‑phase energy meter IC. It includes hardware descriptions, safety and ESD precautions, kit contents, compatibility information, and detailed instructions for connecting power supplies, serial interfaces, and optional accessories.
The document also covers calibration procedures, demo code features, emulator operation, and provides schematics, bill of materials, and pin‑out diagrams for the demo board and its companion debug board. Users can follow step‑by‑step guidance to set up the board, perform functional tests, and integrate it into measurement applications.
| PCB dimensions | 4.5" x 3.8" (114.3mm x 96.5mm) |
|---|---|
| PCB thickness | 0.062" (1.6mm) |
| Height with components | 2.0" (51mm) |
| Operating temperature range | -40 °C to +85 °C |
| Storage temperature range | -40 °C to +100 °C |
| AC input voltage range | 180 V – 700 V rms |
| DC supply voltage | 5 V DC ± 0.5 V |
| Typical supply current | 25 mA |
| Voltage measurement range | 120 V – 700 V rms |
| Current measurement capability | 200 A (2,000:1 CT input) |
| Time base frequency | 32.768 kHz ± 20 ppm at 25 °C |
| LCD display | 8‑digit, 8‑segment per digit, 12.7 mm character height |
The board can be powered from an AC input of 180 V – 700 V rms or from a regulated 5 V DC ± 0.5 V supply, with a typical current draw of 25 mA.
It is a demonstration board for evaluating the 71M6521 single‑phase energy meter IC, allowing users to test measurement accuracy and system integration.