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MaximMAX78630+PPM多相电能监测解决方案

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The MAX78630+PPM is an energy measurement processor (EMP) for polyphase power monitoring systems. It is designed for real-time monitoring for a variety of typical three-phase configurations in industrial applications. It is available in a 32-pin TQFN package. The MAX78630+PPM provides up to six analog inputs for interfacing to voltage and current sensors. Scaled voltages from the sensors are fed to the single converter front-end utilizing a high-resolution delta-sigma converter. Supported current sensors include current transformers(CT), Rogowski coils, and resistive shunts. An embedded

24-bit measurement processor and firmware perform all necessary computations and data formatting for accurate reporting to the host. With integrated flash memory for storing nonvolatile calibration coefficients and device configuration settings, the MAX78630+PPM is capable of being a completely autonomous solution. The MAX78630+PPM is designed to interface to the host processor via the UART interface.

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Maxim MAX78630+PPM 多相电能监测解决方案

关键字：工业控制 ,自动化系统 ,智能电表

Maxim 公司的 MAX78630+PPM 是用于多相电能监测系统的能量测量处理器 ,用

来实时监测各种三相配置的电能 .器件集成了六个可配置的模拟输入 ,支持电流变

压器,并联电阻和 Rogowski 线圈,以及 RAM 和闪存,主要用在工业和商业自动化

系统和逆变器与可再生能源系统 .本文介绍了 MAX78630+PPM 优势和特性 ,框图

和几种应用框图 ,以及 MAX78630+PPM 评估板主要特性 ,框图,电路图,材料清单

和 PCB 元件布局图 .

The MAX78630+PPM is an energy measurement processor (EMP) for

polyphase power monitoring systems. It is designed for real-time monitoring

for a variety of typical three-phase configurations in industrial applications. It is

available in a 32-pin TQFN package. The MAX78630+PPM provides up to six

analog inputs for interfacing to voltage and current sensors. Scaled voltages

from the sensors are fed to the single converter front-end utilizing a

high-resolution delta-sigma converter. Supported current sensors include

current transformers (CT), Rogowski coils, and resistive shunts. An embedded

24-bit measurement processor and firmware perform all necessary

computations and data formatting for accurate reporting to the host. With

integrated flash memory for storing nonvolatile calibration coefficients and

device configuration settings, the MAX78630+PPM is capable of being a

completely autonomous solution. The MAX78630+PPM is designed to

interface to the host processor via the UART interface. Alternatively, SPI or

I2C may also be used.

MAX78630+PPM 优势和特性 :

? Six Configurable Analog Inputs for Monitoring a Variety of Delta - and

Wye-Connected Three-phase Topologies

? Supports Current Transformers (CT), Resistive Shunts, and Rogowski Coils

? Delta -Sigma ADC with Precision Voltage Reference and On-Chip

Temperature Sensor

? Internal or External Oscillator Timing Reference

? SPI, I2C, or UART Interface Options with Configurable I/O pins for alarm

Signaling, Address Pins, or User Control

? 24-Bit Measurement Processor with Integrated Firmware and Flash Memory

for Nonvolatile Storage of Calibration and Configuration Parameters

? Supports Extraction of Individual Harmonics

? Small 32-TQFN Package and Reduced Bill of Materials

The MAX78630+PPM device integrates all the hardware blocks required for

accurate AC power and energy measurement. Included on the device are:

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