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ADE9178GTL is a high accuracy, 3-phase electrical energy measurement IC primarily for the electric vehicle supply equipment (EVSE) market with serial peripheral interface (SPI) and two flexible pulse outputs.

Feature of ADE9178GTL

Metrology chip for use with any combination of the following AFEs

Can support up to four ADE9113/ADE9112/ADE9103 daisy-chained ADCs through 4-wire SPI

Supports up to a total of 12 ADC channels of data

4-wire SPI for Host MCU communications up to 25 MHz

Total active energy calculation

Class C accuracy (0.5%)

Total apparent energy calculation using filtered RMS

Energy accumulation, import and export for reverse power/vehicle to grid (V2G) applications

Basic power quality features

Short-duration undervoltage or overvoltage (dip/swell) detection

Short-duration undercurrent or overcurrent (dip/swell) detection

Line frequency calculation with 10 mHz accuracy

Angles between phase voltages and currents

Power-factor calculation

Configurable phase, gain and offset calibration registers for all ADC channels

Two configurable calibration frequency (CF) pulse outputs

Configurable: no load detection

Phase-sequence detection

RMS on full cycle, half cycle and filtered RMS on all ADC channels

Supported frequency range: 45 Hz to 65 Hz

Four user-programmable interrupt outputs (IRQs)

PEN open fault detection (BS 7671:2018 Amendment 1:2020)

Waveform streaming through UART transmit pin

Datapath multiplexing to allow any ADC data to be used for any data processing path

Temperature range: −40°C to +105°C

Available in 5 mm × 5 mm, 40-lead TQFN-EP package

Applications of ADE9178GTL

Electric vehicle supply equipment

Shunt-based polyphase meters

Solar inverters

Energy and power monitoring

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