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SSP1842

SSP1842 is a built-in clock calibration-free energy metering IC, which is suitable for single-phase multi-function electricity meters, smart sockets, smart home appliances and other applications, with more cost-efficient solution.SSP1842 integrates 2 high-precision Sigma-Delta ADC to measure current and voltage simultaneously. Reference voltage, power management and other analog circuit modules, and processing active power, current and voltage RMS electrical parameters digital signal processing circuit.SSP1842 can measure electric parameters such as current and voltage RMS, active power, active energy, fast current RMS (for over-current protection), and waveform output and so on. SSP1842 output data through the UART/SPI interface. It is available for the smart socket, smart appliances, single-phase multi-function power meter and information requirement of data acquisition in electricity applications.SSP1842 has a patented anti-creep design, which can be combined with reasonable external hardware design to ensure that the noise energy cannot be calculated in the energy pulse when there is no load.

SSP1840

SSP1840 is a built-in clock and calibration-free energy metering IC, suitable for single-phase multifunctional electricity meter, smart socket, smart home appliances, electric bicycle charging pile and other applications with better cost performance.SSP1840 integrates 2 high-precision sigma-delta ADC to measure current and voltage simultaneously. Reference voltage, power management and other analog circuit modules, and processing active power, current and voltage RMS electrical parameters digital signal processing circuit.SSP1840 can measure electric parameters such as current and voltage RMS, active power, active energy, fast current RMS (for leakage detection/over-current protection), and temperature detection, waveform output and so on. SSP1840 output data through the UART/SPI interface. It is available for the smart socket, smart appliances, single-phase multi-function power meter, electric bicycle charging pile and information requirement of data acquisition in electricity applications.SSP1840 has a patented anti-creep design, which can be combined with reasonable external hardware design to ensure that the noise energy cannot be calculated in the energy pulse when there is no load.

SSP1839

SSP1839 is a built-in clock and calibration-free energy metering IC, suitable for single-phase multifunctional electricity meter, smart socket, smart home appliances, electric bicycle charging pile and other applications with better cost performance.SSP1839 integrates 3 high-precision sigma-delta ADC, it can measure two channel of current and one channel of voltage simultaneously.SSP1839 can measure electric parameters such as current and voltage RMS, active power, active energy, fast current RMS (for leakage detection/over-current protection), and temperature detection, waveform output and so on. SSP1839 output data through the UART/SPI interface. It is available for the smart socket, smart appliances, single-phase multi-function power meter, electric bicycle charging pile and information requirement of data acquisition in electricity applications.SSP1839 has a patented anti-creep design, which can be combined with reasonable external hardware design to ensure that the noise energy cannot be calculated in the energy pulse when there is no load.

SSP1851

The SSP1851 is a high-accuracy, fault-tolerant electrical energy measurement IC that is intended for use with 2-wire distribution systems. The part specifications surpass the accuracy requirements as quoted in the IEC1036 standard.The only analog circuitry used in the SSP1851 is in the ADCs and reference circuit. All other signal processing (e.g., multiplication and filtering) is carried out in the digital domain. This approach provides superior stability and accuracy over extremes in environmental conditions and over time.The SSP1851 incorporates a novel fault detection scheme that warns of fault conditions and allows the SSP1851 to continue accurate billing during a fault event. The SSP1851 does this by continuously monitoring both the phase and neutral (return) currents. A fault is indicated when these currents differ by more than 12.5%. Billing is continued using the larger of the two currents.The SSP1851 supplies average real power information on the low-frequency outputs F1 and F2. These logic outputs may be used to directly drive an electromechanical counter or interface toan MCU. The CF logic output gives instantaneous real power information. This output is intended to be used for calibration purposes.The SSP1851 includes a power supply monitoring circuit on the AVDD supply pin. The SSP1851 will remain in a reset condition until the supply voltage on AVDD reaches 4 V. If the supply falls below 4 V, the SSP1851 will also be reset and no pulses will be issued on F1, F2, and CF. Internal phase matching circuitry ensures that the voltage and current channels are matched whether the HPF in Channel 1 is on or off. The SSP1851 also has anticreep protection.The SSP1851 is available in 24-lead SSOP packages.

SSP1880

SSP1880은 IEC62053에 명시된 정확도 요구 사항을 충족하는 기술 사양을 갖춘 고정밀 3상 전력 측정 집적 회로입니다.SSP1880은 ADC와 레퍼런스 소스에만 아날로그 회로를 사용하고 다른 모든 신호 처리(예: 곱셈 및 필터링)에는 디지털 회로를 사용하므로 열악한 환경 조건에서도 매우 높은 정확도와 장기적인 안정성을 유지할 수 있습니다.SSP1880 핀 F1과 F2는 낮은 주파수에서 유효 전력의 평균값을 출력하며, 전자 기계식 미터기를 직접 구동하거나 마이크로컨트롤러(MCU)와 인터페이스하는 데 사용할 수 있습니다. 핀 CF는 캘리브레이션 또는 MCU와의 인터페이스를 위해 더 높은 주파수에서 유효 전력의 순간 값을 출력합니다.SSP1880에는 VDD 전원 공급 핀을 위한 내부 모니터링 회로가 포함되어 있습니다. SSP1880은 VDD가 4V로 상승할 때까지 리셋 상태를 유지합니다. VDD가 4V 미만으로 떨어지면 SSP1880도 리셋되며, 이때 F1, F2 또는 CF에서 출력이 발생하지 않습니다.내부 위상 매칭 회로를 통해 전압 및 전류 채널이 항상 위상이 일치하도록 할 수 있으며, 내부 무부하 임계값 특성으로 인해 SSP1880은 무부하 상태에서 지연 시간이 없습니다.SSP1880은 16핀 SOP 패키지로 제공됩니다.