The CXDR75132 is a highly integrated IC for simplified implementation of single-phase AC power measurement into power supplies, smart appliances, and other applications with embedded AC load monitorin

   产品概述 返回TOPWjo嘉泰姆

The CXDR75132 is a highly integrated IC for simplified implementation of single-phase AC power measurement into power supplies, smart appliances, and other applications with embedded AC load monitoring and control. It is packaged in a small, 5mm x 5mm, 32-pin QFN package for optimal space savings. At the measurement interface, the device provides four analog inputs for interfacing to voltage and current sensors. Voltages from the sensors are fed to our Single Converter Technology that uses a 22-bit delta-sigma ADC, independent 32-bit compute engine (CE), digital temperature compensation, and precision voltage references to provide better than 0.5% power measurement accuracy over a wide 2000:1 dynamic range. The integrated MPU core and 32 KB of flash memory provides a flexible means of configuration, post-processing, data formatting, and interfacing to any host processor through the UART interface and/or DIO pins. Complete application firmware is available and can be preloaded into the IC during manufacturing test. Alternatively, a complete array of ICE, development tools, and programming libraries are available to allow customization for each application

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

 Voltage Reference < 40ppm/°C Wjo嘉泰姆

 Four Sensor Inputs—V3P3A Referenced Wjo嘉泰姆

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

 8-Bit MPU (80515), One Clock Cycle per Instruction with 2KB MPU XRAM  32KB Flash with Security Wjo嘉泰姆

 Integrated In-Circuit Emulator (ICE) Interface for MPU Debug Wjo嘉泰姆

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

 UART Interface and Up to 10 GeneralPurpose 5V Tolerant I/O Pins Wjo嘉泰姆

 Packaged in a RoHS-Compliant (6/6) Lead(Pb)-Free, 32-Pin QFN (5mm x 5mm) Wjo嘉泰姆

 Complete Application Firmware Provides: Wjo嘉泰姆

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

o Accumulated Watt-Hours, Kilowatt-Hours Wjo嘉泰姆

o Intelligent Switch Control at Zero Crossings Wjo嘉泰姆

o Digital Temperature Compensation Wjo嘉泰姆

o Phase Compensation (15) Wjo嘉泰姆

o Quick Calibration Routines Wjo嘉泰姆

o 46–64Hz Line Frequency Range with Same CalibrationWjo嘉泰姆

   应用范围 返回TOPWjo嘉泰姆

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Building AutomationWjo嘉泰姆

Consumer AppliancesWjo嘉泰姆

Data Center, Telecom, and Storage Power SuppliesWjo嘉泰姆

Home AutomationWjo嘉泰姆

Indoor/Outdoor LightingWjo嘉泰姆

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