ATM90E36A-AU-Y Datasheet
Integrated Circuits (ICs) - PMIC - Energy Metering - 48-TQFP, IND TEMP, 1.8V/3V, TRAY
Download: ATM90E36A-AU-Y Datasheet 
ATM90E36A-AU-Y
Integrated Circuits (ICs) - PMIC - Energy Metering - 48-TQFP, IND TEMP, 1.8V/3V, TRAY
Atmel M90E36A
Enhanced Poly-Phase High-Performance Wide-Span Energy Metering IC
DATASHEET
FEATURES
Metering
FEATURES
Metering
Features Fully In Compliance With The Requirements Of Iec62052-11, Iec62053-22 And Iec62053-23, Ansi
C12.1 And Ansi C12.20; Applicable In Class 0.2s, 0.5s Or Class 1 Poly-phase Watt-hour Meter Or Class
2 poly-phase var-hour meter.
Accuracy Of 0.1% For Active Energy And 0.2% For Reactive Energy Over The Dynamic Range Of
6000:1.
Temperature coefficient is 6 ppm/ (typical) for on-chip reference voltage.
Single-point calibration on each phase over the whole dynamic range for active
energy; no calibration needed for reactive/apparent energy.
1 (typical) temperature sensor accuracy.
Electrical Parameters Measurement: Less Than 0.5% Fiducial Error For Vrms, Irms,
mean active/ reactive/ apparent power, frequency, power factor and phase angle.
Active (forward/reverse), Reactive (forward/reverse), Apparent Energy With Indepen-
Dent Energy Registers. Active/ Reactive/ Apparent Energy Can Be Output By Pulse Or Read Through
energy registers to adapt to different
Applications.
Programmable Startup And No-load Power Threshold, Special Designed Of Startup And No-load Circuits
To Eliminate Crosstalk Among Phases Achieving Better Accuracy Especially At Low Power Conditions.
Dedicated Adc And Different Gains For Phase A/b/c And Neutral Line Current Sampling Circuits.
Current Sampled Over Current Transformer (ct) Or Rogowski Coil (di/dt Coil); Phase A/b/c Voltage
sampled over resistor divider network or potential transformer (PT).
Programmable Power Modes: Normal Mode (n Mode), Idle Mode (i Mode), Detection Mode (d Mode) And
Partial Measurement mode (M mode).
Fundamental (cf3, 0.2%) And Harmonic (cf4, 1%) Active Energy With Dedicated Energy And Power
registers.
Total Harmonic Distortion (thd) And Discrete Fourier Transform (dft) Functions For 2 ~ 32 Order
Harmonic Component. Thd And Dft Results Available In Spi Accessible Registers. Both Voltage And
current of all phases processed within the same time period.
Event Detection: Sag, Phase Loss, Reverse Voltage/ Current Phase Sequence, Reverse Flow, Calculated
Neutral Line Current Inc Overcurrent Sampled Neutral Line Current Ins Overcurrent And Thd+n
over-threshold.
FEATURES
3.3v Single Power Supply. Operating Voltage Range: 2.8v~3.6v. Metering Accuracy Guaranteed Within
3.0V~3.6V.
Four-wire Spi Interface With Direct Memory Access (dma) Mode To Stream Out 7channel Adc Raw Data.
Parameter diagnosis function and programmable interrupt output of the IRQ inter-
Atmel-46004B-SE-M90E36A-Datasheet_021215
rupt signals and the WarnOut signal.
Programmable voltage sag detection and zero-crossing output.
Cf1/cf2/cf3/cf4 Output Active/ Reactive/ Apparent Energy Pulses And Fundamental/ Harmonic Energy
pulses
respectively.
Crystal Oscillator Frequency: 16.384 Mhz. On-chip Two Capacitors And No Need Of External Capacitors.