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| 型号： | 78M6618-SOCKET68 |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 5/32页 |
| 文件大小： | 0K |
| 描述： | EVAL BOARD 78M6618 68PIN QFN |
| 标准包装： | 1 |
| 系列： | * |
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DS_6618_005
1 Hardware Functional Description
78M6618 Data Sheet
1.1
Hardware Overview
The Teridian 78M6618 single-chip measurement and monitoring IC integrates all the primary AC
measurement and control blocks required to implement an 8-outlet single-phase PDU with per outlet
metering and intelligent relay control The 78M6618 includes:
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A ten-input analog front end (AFE)
An independent digital computation engine (CE)
An 8051-compatible microprocessor (MPU) which executes one instruction per clock cycle (80515)
A precision voltage reference
A temperature sensor
RAM and Flash memory
A variety of I/O pins
LCD drivers
Various current sensor technologies are supported including Current Transformers (CT), Resistive Shunts
and Rogowski coils.
In a sub-metering application, the 32-bit compute engine (CE) of the 78M6618 sequentially process the
samples from the analog inputs on pins IA, IB, IC, ID, IE, IF, IG, IH, VA, VB and performs calculations to
measure active energy (Wh) and reactive energy (VARh), as well as A 2 h and V 2 h for four-quadrant
measurement. These measurements are then accessed by the MPU, processed further, and output via
the peripheral devices available to the MPU.
In addition to the temperature-trimmed ultra-precision voltage reference, the on-chip digital temperature
compensation mechanism includes a temperature sensor and associated controls for correction of
undesirable temperature effects on measurement accuracy. Temperature-dependent external
components such as a crystal oscillator and current sensors can be characterized and their correction
factors can be programmed to produce measurements with exceptional accuracy over the industrial
temperature range.
A block diagram of the 78M6618 IC is shown in Figure 1 . A detailed description of the various functional
blocks follows.
Rev. 1.4
5
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 78M6631 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:3-Phase Power-Measurement IC |
| 78M6631_1204 | 制造商:MAXIM 制造商全称:Maxim Integrated Products 功能描述:3-Phase Power-Measurement IC |
| 78M6631-EVM-1 | 功能描述:电源管理IC开发工具 78M6631 Eval Kit RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| 78M6631-IM/F | 功能描述:计量片上系统 - SoC 3-Phase Power Measure/Mtr SoC RoHS:否 制造商:Maxim Integrated 核心:80515 MPU 处理器系列:71M6511 类型:Metering SoC 最大时钟频率:70 Hz 程序存储器大小:64 KB 数据 RAM 大小:7 KB 接口类型:UART 可编程输入/输出端数量:12 片上 ADC: 安装风格:SMD/SMT 封装 / 箱体:LQFP-64 封装:Reel |
| 78M6631-IM/F/P2 | 功能描述:IC POWER MEAS/MON 3 PHASE 56TQFN 制造商:maxim integrated 系列:Teridian?? 包装:管件 零件状态:停产 输入阻抗:40 千欧 ~ 90 千欧 测量误差:0.5% 电压 - I/O 高:2V 电压 - I/O 低:0.8V 电流 - 电源:9.1mA 电压 - 电源:3 V ~ 3.6 V 表计类型:3 相 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:68-VFQFN 裸露焊盘 供应商器件封装:68-QFN（8x8） 标准包装:260 |
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