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The ATM90E25 is a high-performance energy metering device for single-phase two-wire, single-phase three-wire or anti-tampering energy meters. With the measurement function, the ATM90E25 can also be used in power instruments which need to measure voltage, current, etc.
Fully compliant with IEC standard IEC62052-11 and IEC62053-21Applicable to class 1 or class 2 single-phase watt-hour meterAccuracy of 0.1% for active energy and 0.2% for reactive energy over a dynamic range of 5000:1Temperature coefficient is 15ppm/??C (typical) for on-chip reference voltageElectrical parameters measurement: less than ??0.5% fiducial error for Vrms, Irms, mean active/apparent power, frequency, power factor and phase angleStandard 4-wire/simplified 3-wire SPI interfaceDedicated ADC and different gains for L line and N line current sampling circuitsCurrent sampled over shunt resistor or Current Transformer (CT)Voltage sampled over resistor divider network or Potential Transformer (PT)Programmable L line and/or N line metering modesAnti-tampering mode (larger power)L line mode (fixed L line)L+N mode (applicable for single-phase three-wire system)Flexible mode (configure through register)Voltage channel (when gain is '1'): 120??Vrms~600mVrmsL line current channel (when gain is '24'): 5??Vrms~25mVrmsN line current channel (when gain is '1'): 120??Vrms~600mVrmsIDT推出全球最先进单相电能计量SOC:单相电能表SoC IDT90E46 是一款基于IDT 成熟的电能计量技术(AFE)和ARM 高效低功耗32 位 Cortex M0 MCU,配备128kB Flash,6kB RAM,同时集成了单相智能电能表必须的带温度补偿功能的高精度RTC,带高精...
IDT的90E46顺应智能电能表的发展趋势,在业界推出的第一款集成硬件高精度宽量程计量模块,ARM 32位 Cortex M0 高性能低功耗MCU内核,LCD驱动和带温度补偿功能的高精度实时时钟(RTC)于一体真正意义上的系统级芯片(SoC)。
IDT90E46 是一款基于IDT 成熟的电能计量技术(AFE)和ARM 高效低功耗32 位 Cortex M0 MCU,配备128kB Flash,6kB RAM,同时集成了单相智能电能表必须的带温度补偿功能的高精度RTC本文主要介绍IDT90E46的性能、内部功能设计及应用。
DS28E25相结合的安全挑战和响应身份验证功能基础上的FIPS 180-3-指定的安全散列算法(SHA-256)的用户可编程EEPROM 4KB
DeepCover™嵌入式安全解决方案多层次的先进的物理安全性,提供最安全的密钥存储的敏感数据。
在抄板解密行业越来越为人所熟悉的今天,工程师们设计产品的同时会更加的重视产品的加密,因此市面上众多的加密芯片,防抄板芯片就出现了,例如ATSHA204系列,AT88系列,LKT4100系列,DS28E01系列,韩国的ALPU系列,TI的BQ26100等...
IDT90E2X 是一款适用于单相两线、单相三线或防窃电电表的高性能电能计量芯片。
IDT公司今年在IIC展上露出的第二个绝活是动态范围宽达5000:1的电能计量芯片90E24,这是目前业内第一个能实现如此宽动态范围的电能计量芯片,它的好处是可以做出很宽计量范围(从1A到100A)的单相电能表。
ADG741 | ADUM3402 | AD7989-1 | AD7903 |
AD1556 | AD7451 | AD8042 | AD7680 |
ADP194 | adum4400 | ADS7949 | AD5532HS |
ADS1278-HT | ATMEGA2561-16AU | ADS7868 | ADSP-21469 |
AD7484 | ADP8861 | AX20NV4G821BAI101 | ADM6322 |