High Performance, Multiphase Energy,
and Power Quality Monitoring IC
ADE9000
Data Sheet
Events, such as dip and swell, can trigger waveform storage
Simplifies data collection for IEC 61000-4-7 harmonic analysis
Advanced metrology feature set
FEATURES
7 high performance ADCs
101 dB SNR
Total and fundamental active power, volt amperes reactive
(VAR), volt amperes (VA), watthour, VAR hour, and VA hour
Total and fundamental IRMS, VRMS
Total harmonic distortion
Power factor
Supports active energy standards: IEC 62053-21 and
IEC 62053-22; EN50470-3; OIML R46; and ANSI C12.20
Supports reactive energy standards: IEC 62053-23, IEC 62053-24
High speed communication port: 20 MHz serial port
interface (SPI)
Wide input voltage range: 1 V, 707 mV rms FS at gain = 1
Differential inputs
25 ppm/°C maximum channel drift (including ADC, internal
VREF, PGA drift) enabling 10000:1 dynamic input range
Class 0.2 metrology with standard external components
Power quality measurements
Enables implementation of IEC 61000-4-30 Class S
VRMS ½, IRMS ½ rms voltage refreshed each half cycle
10 cycle rms/12 cycle rms
Dip and swell monitors
Line frequency—one per phase
Zero crossing, zero-crossing timeout
Phase angle measurements
Integrated temperature sensor with 12-bit successive
approximation register (SAR) ADC
3°C accuracy from −40°C to +85°C
APPLICATIONS
Supports CTs and Rogowski coil (di/dt) sensors
Multiple range phase/gain compensation for CTs
Digital integrator for Rogowski coils
Energy and power monitoring
Power quality monitoring
Protective devices
Flexible waveform buffer
Able to resample waveform to ensure 128 points per line
cycle for ease of external harmonic analysis
Machine health
Smart power distribution units
Polyphase energy meters
GENERAL DESCRIPTION
sampling rate that varies based on line frequency to ensure
128 points per line cycle. Resampling simplifies fast Fourier
transform (FFT) calculation of at least 50 harmonics in an
external processor.
The ADE90001 is a highly accurate, fully integrated, multiphase
energy and power quality monitoring device. Superior analog
performance and a digital signal processing (DSP) core enable
accurate energy monitoring over a wide dynamic range. An
integrated high end reference ensures low drift over temperature
with a combined drift of less than 25 ppm/°C maximum for
the entire channel including a programmable gain amplifier
(PGA) and an analog-to-digital converter (ADC).
The ADE9000 simplifies the implementation of energy and
power quality monitoring systems by providing tight integration of
acquisition and calculation engines. The integrated ADCs and
DSP engine calculate various parameters and provide data
through user accessible registers or indicate events through
interrupt pins. With seven dedicated ADC channels, the
ADE9000 can be used on a 3-phase system or up to three
single-phase systems. It supports current transformers (CTs) or
Rogowski coils for current measurements. A digital integrator
eliminates a discrete integrator required for Rogowski coils.
The ADE9000 offers complete power monitoring capability by
providing total as well as fundamental measurements on rms,
active, reactive, and apparent powers and energies. Advanced
features such as dip and swell monitoring, frequency, phase
angle, voltage total harmonic distortion (VTHD), current total
harmonic distortion (ITHD), and power factor measurements
enable implementation of power quality measurements. The
½ cycle rms and 10 cycle rms/12 cycle rms, calculated according to
IEC 61000-4-30 Class S, provide instantaneous rms measurements
for real-time monitoring.
The ADE9000 absorbs most complexity in calculations for a
power monitoring system. With a simple host microcontroller,
the ADE9000 enables the design of standalone monitoring or
protection systems, or low cost nodes uploading data into the cloud.
Note that throughout this data sheet, multifunction pins, such
EVENT
as CF4/
/DREADY, are referred to either by the entire
The ADE9000 offers an integrated flexible waveform buffer that
stores samples at a fixed data rate of 32 kSPS or 8 kSPS, or a
EVENT
pin name or by a single function of the pin, for example,
when only that function is relevant.
,
1 Protected by U.S. Patents 8,350,558; 8,010,304. Other patents are pending.
Rev. A
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