Energy Metering IC with

Sensor Monitoring and Autocalibration

Data Sheet

ADE9153B

Rev. Sp0

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FEATURES

mSure sensor monitoring

Noninvasive, real-time, direct, precision measurement of

the input signal path

Detects changes in meter accuracy and amount of drift

over the life of the meter

Identifies sensor malfunction

Enables advanced tamper detection methods

Companion MCU firmware to facilitate diagnostic data

reporting

Supported for shunts on the phase line and CTs on the

neutral line

mSure autocalibration

Automatic calibration based on a direct measurement of

the full signal path

Calibration procedure not requiring a reference meter

3 high performance ADCs

88 dB SNR

High gain current channel: ±26.04 mV peak, 18.4 mV rms

input at highest gain setting

Advanced metrology feature set

Watt, VAR, VA, Wh, VARh, and VAh

Supports active energy standards: IEC 62053-21;

IEC 62053-22; EN50470-3; OIML R46; and ANSI C12.20

Supports reactive energy standards: IEC 62053-23 and

IEC 62053-24

Current and voltage rms measurement

Operating temperature, industrial range: −40°C to +85°C

Integrated temperature sensor with a 12-bit successive

approximation register (SAR) ADC

GENERAL DESCRIPTION

IC with sensor monitoring and autocalibration. Sensor monitoring

with mSure® technology allows meter health monitoring and

advanced tamper detection. The monitoring feature allows the

user to check the overall accuracy of the sensor and signal path

to identify accuracy drifts that occur over time on the current

and voltage channels, independently. Similarly, mSure offers

advanced tamper detection with the capability to detect unusual

changes to the sensors. mSure runs in parallel to the metering

measurements, allowing uninterrupted and unaffected metrology

in the ADE9153B. Autocalibration with mSure enables a meter to

automatically calibrate the current and voltage channels without

accurate reference meters or accurate sources when a shunt

resistor is used as the current sensor. The autocalibration

feature supports Class 1 and Class 2 meters.

The ADE9153B includes three high performance analog-to-

digital converters (ADCs), providing an 88 dB signal-to-noise

ratio (SNR). The ADE9153B offers accurate measurement of

line voltage and current, and calculates active, fundamental

reactive, and apparent energy, as well as rms. A wide range of

power quality information is included, such as dip and swell

detection. Current Channel A is ideal for shunts, with a flexible

gain stage providing full-scale input ranges from 62.5 mV peak

down to 26.04 mV peak. Current Channel B has gain stages of

1×, 2×, and 4× for use with current transformers (CTs). A high

speed, 10 MHz, serial peripheral interface (SPI) port allows

access to the ADE9153B registers.

Note that throughout this data sheet, multifunction pins, such

as ZX/DREADY/CF2, are referred to either by the entire pin

name or by a single function of the pin, for example, CF2, when

only that function is relevant.

TYPICAL APPLICATIONS CIRCUIT

MSURE VOLTAGE DRIVER

DIGITAL SIGNAL

PROCESSING

SINC AND

DECIMATION

METROLOGY ENGINE

WATT, VA, VAR,

WATT-HR, VA-HR,

VAR-HR, IRMS, VRMS,

ETC...

mSureDETECTOR

SAR

TEMPERATURE

SENSOR

CLOCK

GENERATION

CF

GENERATION

ZERO

CROSSING

SPI

INTERFACE

CLKIN

CLKOUT

CF1

ZX/DREADY/CF2

SCLK

MISO/TX

MOSI/RX

CS

GND

VAMS

VAN

VAP

GND

IAN

IAP

IAMS

IBMS

IBP

IBN

GND

PHASE

NEUTRAL

IRQ

ADC

ADC

PGA

MSURE

CURRENT DRIVER

ADC

PGA

ADE9153B

LOAD

Figure 1.

For more information about the ADE9153B, contact your local Analog Devices Sales Team or visit www.analog.com/mSure.