| Chip Model | Brief introduction of the chip |
|---|---|
| 7132L | 7132L multi-functional high-precision three-phase metering chip is suitable for three-phase three-wire and three-phase four-wire applications. 7132L integrates multi-channel second-order sigma-delta ADC, reference voltage circuit and digital signal processing circuit of all power, energy, RMS, power factor and frequency measurement, which can measure active power, reactive power, apparent power, active energy and non-functional amount of each phase and the combined phase. At the same time, it can also measure the phase current, voltage RMS, power factor, phase Angle, frequency and other parameters, fully meeting the requirements of the three-phase multi-rate multi-function electricity meter. Please refer to the parameter register section for detailed data definition. |
| 7053C |
ATT7053C is a single phase multi-function energy measurement chip with SPI/UART communication interface. Wide supply voltage operation: 3 .0V~5.5V. Recommend 6MHz crystal oscillator. |
| 7053D |
ATT7053D is a high-precision single-phase multi-functional metering chip with SPI and UART communication interface. The chip supports a wide voltage range, with typical operating voltages of 3.0V and 5.5V. Recommend 6MHz crystal oscillator. |
| 7053E |
ATT7053E is a high-precision single-phase multi-functional metering chip with UART communication interface and 4-channel terminal temperature measurement function. The chip supports a wide voltage range, with typical operating voltages of 3.3V and 5.0V. Recommend 6MHz crystal oscillator. |
| 633X | 633X series is a multi-functional, high-performance, low-power intelligent meter dedicated 512k MCU chip which integrates Cortex-M3 processor, clock management, power management, hardware automatic temperature compensation RTC, PLL, high-frequency RC, low-frequency RC, LCD driver and other units, as well as NVIC and debug functions. Among them, the RTC unit supports the compensation mechanism per second. The chip uses 32.768KHz crystal oscillator clock source as the RTC clock source. Through the clock automatic digital compensation unit integrated in the chip, it can help users realize the automatic compensation of RTC without their software participation. |
| 502X | 502X is a low-power and high-performance single-phase energy measuring SoC chip to provide solution to single-phase multifunction、 energy stealing prevention and highly integrated chips. Which integrated internal 32-bit ARM kernel、 256K flash、 32K SRAM, hardware EMU modules which support missing phase to prevent electricity power stealing、 precise RTC block with self-temperature compensating function and LCD driving function. |
| 503XE | 503XE is a low power consumption, high performance single-phase energy metering SoC chip integrated with 32-bit ARM core, 512K MainFlash+2K InfoFlash, 64K SRAM, EMU module supporting power quality analysis, high-precision RTC module with temperature self-compensation function, added timestamp function, capable of recording up to 6 triggering events LCD driver and other functions. Provide highly integrated single chip solution for single-phase smart meter, anti - stealing electricity meter and rapid monitoring of electrical parameters. |
| 7627S | HT7627S series is a multi-functional, high-performance, low-power SoC chip, which integrates Cortex-M0 processor, clock management, power management, hardware automatic temperature compensation RTC, PLL,high-frequency RC and low-frequency RC, as well as NVIC and DEBUG functions. Among them, the RTC unit supports the compensation mechanism per second. the chip uses the 32.768KHz crystal clock source as the RTC clock source, and through the clock automatic digital compensation unit integrated in the chip, users can realize the automatic compensation of RTC without their software participation. |