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ADE7518:  Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver

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 ...More

ADE7518:  Single-Phase Energy Measurement IC with 8052 MCU, RTC, and LCD Driver

Product Description

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.

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  • 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
  • Meter Type: Single Phase
  • Package: 64-Lead LQFP

Functional Block Diagram for ADE7518

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Part# Meter Type Measurement Parameters Current Sensor Interface On-Chip MCU Output Interface Anti-Tamper Support Package Price* (1000-4999)
ADE5166 Single Phase Irms, VA, Vrms, Watt Current Transformer, Shunt 8,052 I2C, Pulsed, SPI, UART Current Fault, Missing Neutral 64-Lead LQFP $3.46
ADE5169 Single Phase Irms, VA, VAR, Vrms, Watt Current Transformer, Rogowski Coil, Shunt 8,052 I2C, Pulsed, SPI, UART Current Fault, Missing Neutral 64-Lead LQFP $3.66
ADE5566 Single Phase Irms, VA, Vrms, Watt Current Transformer, Shunt 8,052 I2C, Pulsed, SPI, UART Missing Neutral 64-Lead LQFP $3.34
ADE5569 Single Phase Irms, VA, Vrms, Watt Current Transformer, Rogowski Coil, Shunt 8,052 I2C, Pulsed, SPI, UART Missing Neutral 64-Lead LQFP $3.59
ADE7116 Single Phase Irms, VA, Vrms, Watt Current Transformer, Shunt 8,052 I2C, Pulsed, SPI, UART Current Fault, Missing Neutral 64-Lead LQFP $2.60
ADE7156 Single Phase Irms, VA, Vrms, Watt Current Transformer, Shunt 8,052 I2C, Pulsed, SPI, UART Current Fault, Missing Neutral 64-Lead LQFP $2.69
ADE7166 Single Phase Irms, VA, Vrms, Watt Current Transformer, Shunt 8,052 I2C, Pulsed, SPI, UART Current Fault, Missing Neutral 64-Lead LQFP $2.99
ADE7169 Single Phase Irms, VA, VAR, Vrms, Watt Current Transformer, Rogowski Coil, Shunt 8,052 I2C, Pulsed, SPI, UART Current Fault, Missing Neutral 64-Lead LQFP $3.37
ADE7518 Single Phase Irms, VA, VAR, Vrms, Watt Current Transformer, Shunt 8,052 I2C, Pulsed, SPI, UART - 64-Lead LQFP $2.82
ADE7566 Single Phase Irms, VA, Vrms, Watt Current Transformer, Shunt 8,052 I2C, Pulsed, SPI, UART Missing Neutral 64-Lead LQFP $2.87
ADE7569 Single Phase Irms, VA, VAR, Vrms, Watt Current Transformer, Rogowski Coil, Shunt 8,052 I2C, Pulsed, SPI, UART Missing Neutral 64-Lead LQFP $3.29
ADE7751 Single Phase Watt Current Transformer, Shunt - Pulsed Current Fault 24-Lead SSOP $1.64
ADE7752A Polyphase Watt Current Transformer, Shunt - Pulsed - 24-Lead SOIC $4.35
ADE7752B Polyphase Watt Current Transformer, Shunt - Pulsed - 24-Lead SOIC $4.35
ADE7753 Single Phase Irms, VA, VAR, Vrms, Watt Current Transformer, Rogowski Coil, Shunt - Pulsed, SPI - 20-Lead SSOP $2.05
ADE7754 Polyphase Irms, VA, Vrms, Watt Current Transformer, Shunt - Pulsed, SPI - 24-Lead SOIC $5.06
ADE7755 Single Phase Watt Current Transformer, Shunt - Pulsed - 24-Lead PDIP, 24-Lead SSOP $1.55
ADE7757A Single Phase Watt Current Transformer, Shunt - Pulsed - 16-Lead SOIC $1.17
ADE7758 Polyphase Irms, VA, VAR, Vrms, Watt Current Transformer, Rogowski Coil, Shunt - Pulsed, SPI - 24-Lead SOIC $6.73
ADE7759 Single Phase Watt Current Transformer, Rogowski Coil, Shunt - Pulsed, SPI - 20-Lead SSOP $2.00
ADE7761B Single Phase Watt Current Transformer, Shunt - Pulsed Current Fault, Missing Neutral 20-Lead SSOP $1.38
ADE7762 Polyphase Watt Current Transformer, Shunt - Pulsed - 24-Lead SOIC $4.70
ADE7763 Single Phase Irms, VA, Vrms, Watt Current Transformer, Rogowski Coil, Shunt - Pulsed, SPI - 20-Lead SSOP $1.61
ADE7768 Single Phase Watt Current Transformer, Shunt - Pulsed - 16-Lead SOIC $1.17
ADE7769 Single Phase Watt Current Transformer, Shunt - Pulsed - 16-Lead SOIC $1.17
ADE7854 Polyphase Irms, VA, Vrms, Watt Current Transformer, Rogowski Coil, Shunt - HSDC, I2C, Pulsed, SPI - 40-Lead LFCSP -
ADE7878 Polyphase Irms, VA, VAR, Vrms, Watt Current Transformer, Rogowski Coil, Shunt - HSDC, I2C, Pulsed, SPI - 40-Lead LFCSP -
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*The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.
**Sample availability may be better than production availability. Please enter samples into your cart to check sample availability.