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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推出全球最先進單相電能計量SOC:單相電能表SoC IDT90E46 是一款基于IDT 成熟的電能計量技術(shù)(AFE)和ARM 高效低功耗32 位 Cortex M0 MCU,配備128kB Flash,6kB RAM,同時集成了單相智能電能表必須的帶溫度補償功能的高精度RTC,帶高精...
IDT的90E46順應(yīng)智能電能表的發(fā)展趨勢,在業(yè)界推出的第一款集成硬件高精度寬量程計量模塊,ARM 32位 Cortex M0 高性能低功耗MCU內(nèi)核,LCD驅(qū)動和帶溫度補償功能的高精度實時時鐘(RTC)于一體真正意義上的系統(tǒng)級芯片(SoC)。
IDT90E46 是一款基于IDT 成熟的電能計量技術(shù)(AFE)和ARM 高效低功耗32 位 Cortex M0 MCU,配備128kB Flash,6kB RAM,同時集成了單相智能電能表必須的帶溫度補償功能的高精度RTC本文主要介紹IDT90E46的性能、內(nèi)部功能設(shè)計及應(yīng)用。
DS28E25相結(jié)合的安全挑戰(zhàn)和響應(yīng)身份驗證功能基礎(chǔ)上的FIPS 180-3-指定的安全散列算法(SHA-256)的用戶可編程EEPROM 4KB
DeepCover?嵌入式安全解決方案多層次的先進的物理安全性,提供最安全的密鑰存儲的敏感數(shù)據(jù)。
在抄板解密行業(yè)越來越為人所熟悉的今天,工程師們設(shè)計產(chǎn)品的同時會更加的重視產(chǎn)品的加密,因此市面上眾多的加密芯片,防抄板芯片就出現(xiàn)了,例如ATSHA204系列,AT88系列,LKT4100系列,DS28E01系列,韓國的ALPU系列,TI的BQ26100等...
IDT90E2X 是一款適用于單相兩線、單相三線或防竊電電表的高性能電能計量芯片。
IDT公司今年在IIC展上露出的第二個絕活是動態(tài)范圍寬達5000:1的電能計量芯片90E24,這是目前業(yè)內(nèi)第一個能實現(xiàn)如此寬動態(tài)范圍的電能計量芯片,它的好處是可以做出很寬計量范圍(從1A到100A)的單相電能表。
| ADATE302-02 | ADF4158 | ADM1021A | AD5112 |
| ADUM141D | AD9516-4 | AD7880 | ADuM242D |
| ADN2525 | AD8054 | ADP8860 | AT24C32E-XHM-T |
| ADL5565 | ADS7253 | AD7811 | AD9557 |
| AD8506 | ADP3211 | AD7731 | AD5552 |