ATT7022EU-N

The ATT7022EU-N is a high-precision, three-phase energy metering IC designed for power monitoring applications. It supports active, reactive, and apparent energy measurements with 0.1% accuracy over a wide dynamic range. Key features include:
- Multi-parameter measurement: Voltage, current, power, frequency, and harmonic analysis.
- On-chip DSP: Enables real-time calculations and calibration.
- SPI/UART interfaces: For communication with microcontrollers.
- Tamper detection: Detects reverse current and voltage faults.
- Low power consumption: Suitable for smart meters and industrial systems.
The IC complies with IEC 62053/61036 standards and is widely used in smart meters, power quality analyzers, and energy management systems. Its integrated design reduces external component requirements, simplifying PCB layout.
For detailed specifications, refer to the datasheet from Artery Technology or authorized distributors.

The ATT7022EU-N is a 3-phase energy metering IC with 44 pins (LQFP package). Key functions include:
- Voltage & Current Sensing: 7-channel ADC for 3-phase voltage/current inputs.
- Energy Measurement: Active, reactive, and apparent energy calculation.
- Communication: Supports SPI for data read/write and calibration.
- Pulse Output: Provides CF (calibration frequency) for energy pulse output.
- Power Supply: Operates at 3.3V, with separate analog/digital supply pins.
- Auxiliary Features: On-chip reference, temperature sensor, and power monitoring.
Pins are grouped for analog inputs (IA, IB, IC, VA, VB, VC), digital I/O (SPI, reset), and power management.

The ATT7022EU-N is manufactured by Shanghai Belling Corp., Ltd., a Chinese semiconductor company specializing in integrated circuit (IC) design and manufacturing. Founded in 1988, Belling focuses on energy metering, power management, and smart card chips, serving industries like smart grids, IoT, and consumer electronics. The ATT7022EU-N is a high-precision energy metering IC used in power monitoring applications. Belling is known for its innovation in analog and mixed-signal ICs.

The ATT7022EU-N is a high-precision energy metering IC primarily used in:
1. Smart Meters – Single/three-phase electricity meters for residential and industrial use.
2. Power Monitoring – Real-time energy measurement in power distribution systems.
3. Renewable Energy – Solar/wind power generation monitoring.
4. Industrial Automation – Energy management in manufacturing and equipment.
5. Home Appliances – Smart plugs and energy-efficient devices.
It supports accurate active/reactive power measurement, tamper detection, and communication interfaces like SPI. Ideal for applications requiring reliable energy data.

The ATT7022EU-N is available in a QFP-44 (Quad Flat Package) with 44 pins. This surface-mount package is compact and suitable for energy metering applications, offering reliable performance and ease of integration. The QFP design ensures efficient heat dissipation and robust electrical connections.