ADE7518

Obsolete

Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver

Data Sheet (Rev. 0) Product Selection Table
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Overview

  • Proprietary analog-to-digital converters (ADCs) and digital signal processing (DSP) provide high accuracy active energy (WATT), reactive energy (VAR), and apparent energy (VA) measurements
  • Supports IEC 62053-21, IEC 62053-22, IEC 62053-23, EN 50470-3 Class A, Class B, and Class C, and ANSI C12-16
  • Less than 0.1% error on active energy over a dynamic range of 1000 to 1 @ 25°C
  • Single-cycle 4MIPS 8052 core with 16kB of flash memory
  • Wide supply voltage operation: 2.4 V to 3.7 V
  • Internal bipolar switch between regulated and battery inputs
  • Ultra low power operation with power saving modes (PSM)
  • See data sheet for additional features

The ADE75181 integrates the Analog Devices, Inc., energy (ADE) metering IC analog front end and fixed function DSP solution with an enhanced 8052 MCU core, an RTC, an LCD driver, and all the peripherals to make an electronic energy meter with an LCD display in a single part.

The ADE measurement core includes active, reactive, and apparent energy calculations, as well as voltage and current rms measurements. This information is ready to use for energy billing by using built-in energy scalars. Many power line supervisory features, such as SAG, peak, and zero crossing, are included in the energy measurement DSP to simplify energy meter design.

The microprocessor functionality includes a single-cycle 8052 core, a real-time clock with a power supply backup pin, a UART, and an SPI or I2C® interface. The ready-to-use information from the ADE core reduces the program memory size requirement, making it easy to integrate complicated design into 16 kB of flash memory.

The ADE7518 also includes a 108-segment LCD driver. This driver generates waveforms capable of driving LCDs up to 3.3 V.

1 Patents pending.
ADE7518
Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver
ADE7518-fbl ADE7518-pc
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Documentation

Data Sheet 1

User Guide 1

Application Note 1

Technical Articles 3

Frequently Asked Question 1

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Hardware Ecosystem

Parts Product Life Cycle Description
ADE7569
Obsolete Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver
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