
产品概述 返回TOP
产品特点 返回TOP
< 0.5% Wh Accuracy Over Wide 2000:1 Current Range and Over Temperature
Exceeds IEC 62053/ANSI C12.20 Standards
Voltage Reference < 40ppm/°C
10 Sensor Inputs—V3P3 Referenced
21-Bit Delta-Sigma ADC with Independent 32-Bit Compute Engine (CE)
8-Bit MPU (80515), One Clock Cycle per Instruction with 4KB MPU XRAM
128KB Flash with Security
Integrated ICE for MPU Debug
32kHz Time Base with Hardware Watchdog Timer
UART and High-Speed Slave SPI Host Interface Options
Up to 19 General-Purpose 5V Tolerant I/O Pins
LCD Driver (Up to 70 Pixels)
Packaged in a Lead(Pb)-Free/RoHS-Compliant (6/6) 68-Pin QFN
Robust Sub-Metering Application Firmware:
o True RMS Calculations for Current, Voltage, Line Frequency, Real Power, Reactive Power, Apparent Power, and Power Factor
o Accumulated Watt-Hours, Kilowatt-Hours, and Cost
o Intelligent Switch Control at Zero Crossings
o Digital Temperature Compensation
o Phase Compensation (15)
o Quick Calibration Routines
o 46-64Hz Line Frequency Range with Same Calibration
o Programmable Alarm Thresholds
o High-Level UART Communication Protocols
o High-Level SPI Communication Protocols
应用范围 返回TOP
Commercial Power Distribution Units
Consumer Power Distribution Units
Subpanels
技术规格书(产品PDF) 返回TOP
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Embedded Measurement ICs | |||||||
Part Number | User MPU Core | Vsupply (V) | Total Sensor Inputs | Internal Flash (KBytes) | Internal RAM (KBytes) | Slave Host Interface(s) | Package/Pins |
3.3 | 4 | 8 | 1.5 | I2C ,SPI ,UART | TQFN/24 | ||
3.3 | 3 | 8 | 1.5 | I2C ,SPI ,UART | TQFN/24 ,TSSOP/16 | ||
3.3 | 4 | 8 | 1.5 | I2C ,SPI ,UART | TQFN/24 ,TSSOP/16 | ||