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首页 > 产品中心 > MCU存储ADC时钟数据线 > PMU >CXEP2337A CXEP2337B CXEP2337C CXEP2337D闪存编程功能的SPI接口数字温度补偿提高系统性能带调制的红外LED驱动器相同校准的46-64Hz线频率22位delta-sigma ADC多个模拟输入数字温度补偿精确电压基准和32位计算引擎CE
CXEP2337A CXEP2337B CXEP2337C CXEP2337D闪存编程功能的SPI接口数字温度补偿提高系统性能带调制的红外LED驱动器相同校准的46-64Hz线频率22位delta-sigma ADC多个模拟输入数字温度补偿精确电压基准和32位计算引擎CE
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CXEP2337A CXEP2337B CXEP2337C CXEP2337D是第四代单相计量SOC,具有5MHz 8051兼容的MPU内核、低功耗RTC(具有改进的温度补偿)、闪存和LCD驱动器。经验证的单转换器技术,具有22位delta-sigma ADC、多个模拟输入、数字温度补偿、精确电压基准和32位计算引擎(CE),可在极少外部组件的情况下支持广泛的计量应用
CXEP2337A CXEP2337B CXEP2337C CXEP2337D提供七个传感器输入,并为一系列可降低BOM成本、抗磁干扰和增强可靠性的隔离传感器提供可选支持。该集成电路具有超低功耗工作在有源和电池模式,5KB共享RAM和64KB(CXEP2337A)或128KB(CXEP2337C)的闪存,可编程与代码和/或数据在仪表操作。一整套代码开发工具,演示代码,参考设计能够快速开发和认证符合全球所有ANSI和IEC电能计量标准的电表,检查可用性,或获取早期非T版本CXEP2337A CXEP2337B CXEP2337C CXEP2337D的数据表副本。

●SoC集成和独特的隔离技术在不牺牲性能的前提下降低了物料清单成本
•2000:1电流范围内0.1%的典型精度
•超过IEC 62053/ANSI C12.20标准
•四象限计量
•具有相同校准的46-64Hz线频率范围
•相位补偿(±10o)
•独立的32位计算引擎
•64KB闪存,5KB RAM(CXEP2337A/CXEP2337D)
•128KB闪存,5KB RAM(CXEP2337C/CXEP2337B)
•内置闪存安全
•具有闪存编程功能的SPI接口
•最多四个脉冲输出,脉冲计数
•8位MPU(80515),最高可达5 MIPS
•全速MPU时钟处于浏览模式
•LCD驱动程序允许多达6个公共/多达56个引脚
•多达51个多功能DIO管脚
•硬件看门狗定时器(WDT)
•两个用于红外和AMR的UART
•带调制的红外LED驱动器
•I2C/EEPROM接口
●创新的隔离技术(使用配套传感器)消除了电流互感器
•四个电流传感器输入,带可选差动
•一个电流输入的可选增益为1或8,以支持中性点电流分路
•具有可编程宽度的高速Wh/VARh脉冲输出
●数字温度补偿提高系统性能
•计量补偿
•在所有功率模式下,晶闸管具有自动温度补偿功能的精确RTC
●电源管理延长停电期间的电池寿命
•三种备用电池模式
-浏览器模式(BRN)
-LCD模式(LCD)
-睡眠模式(SLP)
•针事件唤醒和计时器唤醒
•睡眠模式下为1μA

CXEP2337A CXEP2337B CXEP2337C CXEP2337D闪存编程功能的SPI接口数字温度补偿提高系统性能带调制的红外LED驱动器相同校准的46-64Hz线频率22位delta-sigma ADC多个模拟输入数字温度补偿精确电压基准和32位计算引擎CE
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目录

1.产品概述       2.产品特点     PJU嘉泰姆

3.应用范围       4.技术规格书下载(PDF文档)PJU嘉泰姆

5.产品封装       6.电路原理图  PJU嘉泰姆

7.相关产品PJU嘉泰姆

   产品概述 返回TOPPJU嘉泰姆


The CXEP2337A CXEP2337B CXEP2337C CXEP2337D are 4th-generation single-phase metering SoCs with a 5MHz 8051-compatible MPU core, low-power RTC with improved temperature compensation, flash memory, and LCD driver. Proven Single Converter Technology  with a 22-bit delta-sigma ADC, multiple analog inputs, digital temperature compensation, precision voltage reference, and a 32-bit computation engine (CE) supports a wide range of metering applications with very few external components.The

CXEP2337A CXEP2337B CXEP2337C CXEP2337D  provides seven sensor inputs and offers opptional support for the  series of isolated sensors that offer BOM cost reduction, immunity to magnetic tamper, and enhanced reliability. The ICs feature ultra-low-power operation in active and battery modes, 5KB shared RAM, and 64KB (CXEP2337A) or 128KB (CXEP2337C) of flash memory, which can be programmed with code and/or data during meter operation.A complete array of code development tools, demonstration code, and reference designs enable rapid development and certification of meters that meet all ANSI and IEC electricity metering standards worldwide, check availability, or obtain copies of data sheets for earlier non-T versions of the CXEP2337A CXEP2337B CXEP2337C CXEP2337D.

   产品特点 返回TOPPJU嘉泰姆


● SoC Integration and Unique Isolation Technique Reduces BOM Cost Without Sacrificing Performance PJU嘉泰姆

• 0.1% Typical Accuracy Over 2000:1 Current Range PJU嘉泰姆

• Exceeds IEC 62053/ANSI C12.20 Standards PJU嘉泰姆

• Four-Quadrant Metering PJU嘉泰姆

• 46-64Hz Line Frequency Range with the Same Calibration PJU嘉泰姆

• Phase Compensation (±10o) PJU嘉泰姆

• Independent 32-Bit Compute Engine PJU嘉泰姆

• 64KB Flash, 5KB RAM (CXEP2337A/CXEP2337D) PJU嘉泰姆

• 128KB Flash, 5KB RAM (CXEP2337C/CXEP2337B) PJU嘉泰姆

• Built-In Flash Security PJU嘉泰姆

• SPI Interface with Flash Program Capability PJU嘉泰姆

• Up to Four Pulse Outputs with Pulse Count PJU嘉泰姆

• 8-Bit MPU (80515), Up to 5 MIPS PJU嘉泰姆

• Full-Speed MPU Clock in Brownout Mode PJU嘉泰姆

• LCD Driver Allows Up to 6 Commons/Up to 56 Pins PJU嘉泰姆

• Up to 51 Multifunction DIO Pins PJU嘉泰姆

• Hardware Watchdog Timer (WDT) PJU嘉泰姆

• Two UARTs for IR and AMR PJU嘉泰姆

• IR LED Driver with Modulation PJU嘉泰姆

• I2C/ EEPROM InterfacePJU嘉泰姆

● Innovative Isolation Technology (Uses Companion  Sensor) Eliminates Current Transformers PJU嘉泰姆

• Four Current Sensor Inputs with Selectable Differential PJU嘉泰姆

• Selectable Gain of 1 or 8 for One Current Input to Support Neutral Current Shunt PJU嘉泰姆

• High-Speed Wh/VARh Pulse Outputs with Programmable WidthPJU嘉泰姆

● Digital Temperature Compensation Improves System Performance PJU嘉泰姆

• Metrology Compensation PJU嘉泰姆

• Accurate RTC for TOU Functions with Automatic Temperature Compensation for Crystal in All Power Modes PJU嘉泰姆

● Power Management Extends Battery Life During Power Outages PJU嘉泰姆

• Three Battery-Backup Modes PJU嘉泰姆

- Brownout Mode (BRN) PJU嘉泰姆

- LCD Mode (LCD) PJU嘉泰姆

- Sleep Mode (SLP) PJU嘉泰姆

• Wake-Up on Pin Events and Wake-On Timer PJU嘉泰姆

• 1μA in Sleep ModePJU嘉泰姆

   应用范围 返回TOPPJU嘉泰姆


Residential, Commercial, and Industrial Energy MetersPJU嘉泰姆

High-End Residential Meters, AMR/AMI, and TOUPJU嘉泰姆

   技术规格书(产品PDF) 返回TOP PJU嘉泰姆


     需要详细的PDF规格书请扫一扫微信联系我们,还可以获得免费样品以及技术支持!PJU嘉泰姆

 QQ截图20160419174301.jpgPJU嘉泰姆

产品封装图 返回TOPPJU嘉泰姆


image.pngPJU嘉泰姆

电路原理图 返回TOPPJU嘉泰姆


image.pngPJU嘉泰姆

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1PPJU嘉泰姆

512PJU嘉泰姆

48PJU嘉泰姆

DifferentialPJU嘉泰姆

4D + 3SEPJU嘉泰姆

20PJU嘉泰姆

YesPJU嘉泰姆

160(40x4) PJU嘉泰姆

228(38x6) PJU嘉泰姆

288(36x8)PJU嘉泰姆

88PJU嘉泰姆

5PJU嘉泰姆

CXEP2345PJU嘉泰姆

3PPJU嘉泰姆

256PJU嘉泰姆

48PJU嘉泰姆

DifferentialPJU嘉泰姆

4D + 3SEPJU嘉泰姆

20PJU嘉泰姆

YesPJU嘉泰姆

160(40x4)PJU嘉泰姆

228(38x6)PJU嘉泰姆

288(36x8)PJU嘉泰姆

88PJU嘉泰姆

5PJU嘉泰姆

CXEP2346PJU嘉泰姆

3PPJU嘉泰姆

512PJU嘉泰姆

48PJU嘉泰姆

DifferentialPJU嘉泰姆

4D + 3SEPJU嘉泰姆

20PJU嘉泰姆

YesPJU嘉泰姆

160(40x4) PJU嘉泰姆

228(38x6) PJU嘉泰姆

288(36x8)PJU嘉泰姆

88PJU嘉泰姆

5PJU嘉泰姆

CXEP2347PJU嘉泰姆

1P PJU嘉泰姆

1P/2PPJU嘉泰姆

1024PJU嘉泰姆

128PJU嘉泰姆

DifferentialPJU嘉泰姆

2D + 2PJU嘉泰姆

54PJU嘉泰姆

YesPJU嘉泰姆

300(50x6)PJU嘉泰姆

70PJU嘉泰姆

7PJU嘉泰姆

CXEP2348PJU嘉泰姆

3PPJU嘉泰姆

1024PJU嘉泰姆

128PJU嘉泰姆

DifferentialPJU嘉泰姆

4D + 3SEPJU嘉泰姆

54PJU嘉泰姆

YesPJU嘉泰姆

300(50x6)PJU嘉泰姆

70PJU嘉泰姆

8PJU嘉泰姆