ADE7858 is a poly phase multifunction energy metering IC that supports per phase active and reactive powers measurement. This IC is highly accurate and compatible with multiple standards. It supports various 3-phase services and provides total active/reactive/apparent energy measurement on each phase and the overall system. It has low error and a wide dynamic range.
The ADE7858 is a poly‑phase multifunction energy‑metering integrated circuit designed for 3‑phase, 3‑ or 4‑wire (delta or wye) power systems. It delivers highly accurate active, reactive and apparent energy data per phase and for the overall system, supporting EN 50470‑1/3 and IEC 62053 standards. The device features flexible serial interfaces (SPI and HSDC), pulse outputs, and built‑in power‑quality measurements such as voltage sag and over‑current detection.
Key specifications include a wide supply voltage range of 2.4 V to 3.7 V, operating temperature from –40 °C to 85 °C, and typical active‑energy measurement error of 0.1 % over a 1000:1 dynamic range. The IC is supplied in a 40‑lead LFCSP lead‑free package and integrates on‑chip reference, ADCs, and a digital signal processor for real‑time calculations.
| Supply voltage range | 2.4 V to 3.7 V |
|---|---|
| Operating temperature | -40 °C to 85 °C |
| Active energy measurement error | 0.1 % typ (dynamic range 1000:1) |
| RMS measurement error | 0.1 % typ (dynamic range 1000:1) |
| Reference voltage | 1.2 V (drift 10 ppm/°C typ) |
| Package type | 40‑lead LFCSP lead‑free |
| Clock input frequency | 16.384 MHz |
It operates from 2.4 V up to 3.7 V.
The typical active‑energy measurement error is 0.1 % over a dynamic range of 1000 : 1.
The device provides both SPI and HSDC (High Speed Data Capture) serial interfaces.
It is specified for –40 °C to +85 °C operation.