71M6531D：电表IC
业内集成度最高的SoC产品线，提供最高精度指标
71M6531D/F和71M6532D/F是带有MPU内核、RTC、闪存和LCD驱动器的高度集成SoC。专有的一次变换技术(Single Converter Technology®)以及22位Σ-Δ ADC、四路模拟输入、数字温度补偿电路、精密的电压基准、电池电压监测器、32位计算引擎(CE)，只需少数低成本外部元件即可支持各种住宅表设计。 整个系统以32kHz晶体为时基，内部备份电池支持RAM和RTC工作，进一步降低了系统成本。该IC支持2线、3线和4线的单相、双相住宅表设计，带有防篡改监测机制。71M6531D/F为两个通道的电流提供单端输入，并提供两路单端电压输入。71M6532D/F具有两路差分电流输入和三路单端电压输入。 多路UART、I²C、MICROWIRE™、21个DIO引脚以及在系统可编程闪存存储器能够在工作中更新数据或应用程序代码，大大提高了设计灵活性。 完善的ICE阵列以及开发工具、程序库、参考设计有助于加快电表的开发进程和TOU、AMR、预付费电表的认证进程，完全符合全球范围的电表标准。
关键特性
| 功能框图 产品应用
|
关键参数
| Part Number | Functions | Phase | Wh Accuracy (%) | Internal Flash (KBytes) | Internal RAM (KBytes) | Analog Input | Sensor Inputs (Current+Voltage) | MCU MIPS | GPIO | UARTs | Package/Pins | Budgetary Price | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| -40 to +85°C | See Notes | |||||||||||||
| 71M6531D | Metering SoC | 1P/2P | 0.4 | 128 | 4 | Single-end | 2SE + 2 | 10 | 22 | 2 |
| $3.46 @1k | ||
| 71M6531F | 256 | Single-end | 2SE + 2 | 22 |
| $4.92 @1k | ||||||||
| 71M6532D | 128 | Differential | 2D + 2 | 43 |
| $4.46 @1k | ||||||||
| 71M6532F | 256 | Differential | 2D + 2 | 43 |
| $5.27 @1k | ||||||||
数据手册DataSheet
| 英文 | 71M6531D-71M6532F.pdf | Rev 2; 05/2013 |
| 勘误表 71M6531D | 71M6531D_A05.pdf |
开发工具
技术资料
- Compiling Meter Code with New Computation Engine (CE) Code Images
- Programming Maxim Integrated Meter ICs
- External Filters for the Analog Inputs of Metering ICs
- Return to Mission Mode under Battery Power
- The SPI Interfaces of the 71M65xx
- CE31A06 - Harmonic Analysis
- Field Download of Code to the 71M653x ICs
- A Low-Current Power Supply for the 71M65XX Metering ICs
- Code for Bank-Switching with the 653X-Series
- Operating the 71M653X with External Serial SRAM
- 71M6531/71M6533/71M6534 Energy Meter IC Family Software User's Guide
- 71M6531 Demo Board Quick Start Guide
- 71M65xx ADM51 ICE Safety Notice
订购型号
| 型号 | 状况 | 封装 | 温度 | RoHS/无铅 |
|---|---|---|---|---|
| 71M6531D-IM/F | 生产中 | SQFN,；68引脚；64.8mm² | -40°C至+85°C | RoHS/无铅：无铅 |
| 71M6531D-IM/F1 | 停止供货 | QFN/MLF,；68引脚；65.6mm² | -40°C至+85°C | 参考数据资料 |
| 71M6531D-IMR/F | 生产中 | SQFN,；68引脚；64.8mm² | -40°C至+85°C | RoHS/无铅：无铅 |
| 71M6531D-IMR/F1 | 停止供货 | QFN/MLF,；68引脚；65.6mm² | -40°C至+85°C | 参考数据资料 |
- 71M6531D-71M6532F.pdf 71M6532F
- 71M6531D-71M6532F.pdf 71M6532F
- 71M6531D-71M6532F.pdf 71M6532F
- 71M6531D-71M6532F.pdf 71M6532F
- 71M6531D_A05.pdf 71M6531D
- 71M6532F_A05.pdf 71M6532F
- Compiling Meter Code with New Computation Engine (CE) Code Images 71M6533G
- Programming Maxim Integrated Meter ICs 71M6513
- External Filters for the Analog Inputs of Metering ICs 71M6533G
- Return to Mission Mode under Battery Power 71M6533G
- The SPI Interfaces of the 71M65xx 71M6533G
- CE31A06 - Harmonic Analysis 71M6531F
- Field Download of Code to the 71M653x ICs 71M6533G
- A Low-Current Power Supply for the 71M65XX Metering ICs 71M6513
- Code for Bank-Switching with the 653X-Series 71M6533G
- Operating the 71M653X with External Serial SRAM 71M6533G
- 71M6531/71M6533/71M6534 Energy Meter IC Family Software User's Guide 71M6533G
- 71M6531 Demo Board Quick Start Guide 71M6531F-DB
- 71M65xx ADM51 ICE Safety Notice 71M6513
