产品概述 返回TOPEbF嘉泰姆

The  CXDR75133 is a highly integrated IC for independent monitoring and measurement of up to eight single-phase AC outlets. With multiple host interface options, an integrated LCD driver, and configurable I/Os, the device is ideal for metered power distribution units (PDUs) and rack enclosures for the data center, as well as intelligent power strips and subpanels in the grid-friendly digital home. At the measurement interface, the device provides 10 analog inputs for interfacing to voltage and current sensors. Scaled voltages from the sensors are fed to our Single Converter Technology® that uses a 21-bit delta-sigma ADC, independent 32-bit compute engine (CE), digital temperature compensation, and precision voltage references to provide better than 0.5% accuracy over a wide 2000:1 dynamic range. The integrated MPU core and 128KB of flash memory provides a flexible means of configuration, post-processing, data formatting, interfacing to host processor through a UART or SPI™ interface, displaying output data to an LCD, or using DIO pins for intelligent relay control. Complete firmware for common applications is available from Teridian and can be loaded into the IC during manufacturing test. Alternatively, a complete array of ICE, development tools, and programming libraries are available to allow customization MPU code for each application.

   产品特点 返回TOPEbF嘉泰姆

 < 0.5% Wh Accuracy Over Wide 2000:1 Current Range and Over Temperature EbF嘉泰姆

 Exceeds IEC 62053/ANSI C12.20 Standards EbF嘉泰姆

 Voltage Reference < 40ppm/°C EbF嘉泰姆

 10 Sensor Inputs—V3P3 Referenced EbF嘉泰姆

 21-Bit Delta-Sigma ADC with Independent 32-Bit Compute Engine (CE) EbF嘉泰姆

 8-Bit MPU (80515), One Clock Cycle per Instruction with 4KB MPU XRAM EbF嘉泰姆

 128KB Flash with Security EbF嘉泰姆

 Integrated ICE for MPU Debug EbF嘉泰姆

 32kHz Time Base with Hardware Watchdog Timer EbF嘉泰姆

 UART and High-Speed Slave SPI Host Interface Options EbF嘉泰姆

 Up to 19 General-Purpose 5V Tolerant I/O Pins EbF嘉泰姆

 LCD Driver (Up to 70 Pixels) EbF嘉泰姆

 Packaged in a Lead(Pb)-Free/RoHS-Compliant (6/6) 68-Pin QFN EbF嘉泰姆

 Robust Sub-Metering Application Firmware: EbF嘉泰姆

o True RMS Calculations for Current, Voltage, Line Frequency, Real Power, Reactive Power, Apparent Power, and Power Factor EbF嘉泰姆

o Accumulated Watt-Hours, Kilowatt-Hours, and Cost EbF嘉泰姆

o Intelligent Switch Control at Zero Crossings EbF嘉泰姆

o Digital Temperature Compensation EbF嘉泰姆

o Phase Compensation (15) EbF嘉泰姆

o Quick Calibration Routines EbF嘉泰姆

o 46-64Hz Line Frequency Range with Same Calibration EbF嘉泰姆

o Programmable Alarm Thresholds EbF嘉泰姆

o High-Level UART Communication Protocols EbF嘉泰姆

o High-Level SPI Communication ProtocolsEbF嘉泰姆

   应用范围 返回TOPEbF嘉泰姆

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Commercial Power Distribution UnitsEbF嘉泰姆

Consumer Power Distribution UnitsEbF嘉泰姆

SubpanelsEbF嘉泰姆

   技术规格书（产品PDF) 返回TOP EbF嘉泰姆

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