Nanochap Nine Sensors EPC001 on Healthy Detecting Smart Toilets Supporting High Detection Accuracy
In recent years, the concept of a smart home with 5G and the maturity of various technologies is getting hotter and hotter, the toilet industry is also quietly changing, the emergence of smart toilet makes the toilet from the building materials began to shift to the direction of the smart home, and the health detection smart toilet is at the forefront of the products, health detection smart toilet can detect and analyze the user's heart rate, respiration rate, body fat rate, body water rate, heart rate irregularity, anxiety index, heart rate variability and many other health data for human health. For healthy detecting smart toilets, detectable items and accuracy are the most important parameters, and how to realize this is the most important indicator to evaluate the advantages of the Nanochap Nine Senses EPC001 chip.
Fig.1
The Nine Senses NNC-EPC001 Vital Signs Parameter Detection Chip is a sensor-on-a-chip system (SoC) designed specifically for bioelectricity. It integrates a high-precision EEG/ECG/EMG/PPG analog front-end and a powerful RISC-V microcontroller (MCU). It also integrates a powerful ECG/PPG feature extraction function (Heart APP), which is widely applicable to various low-power and high-performance products.
Fig.2 Nine Senses NNC-EPC001 Chip Structure Diagram
Advantages and features of Nanochap Nine Senses Vital Signs Parameter Detection Chip NNC-EPC001
●High performance: excellent EEG/ECG/EMG/PPG signal detection function.
●Low power consumption: sleep/stop/standby modes.
●Extensibility: Its rich peripheral interfaces support the SoC to be used with many different sensors.
●Wide detection range: heart rate, respiration rate, fatigue index, anxiety index, oxygen saturation, atherosclerosis index, blood pressure, spectrum analysis, etc.
●High integration: integrated RISC-V MCU, single-channel ECG analog front-end, single-channel PPG analog front-end, and hardware filtering circuit.
●High detection accuracy: Ultra-low noise programmable amplifier PGA and 24-bit ADC to intercept the complete signal with high dynamic range and high precision to guarantee the accuracy of measurement results.
●High sampling rate: ECG channel: 62.5Hz - 32KHz sampling rate, up to 4 kHz bandwidth of the independent acquisition system.
Fig.3
Product Parameters
●Operating voltage range: 2.5V ~ 5V
●Operating temperature range: -40℃~ 125℃
●Low power consumption modes: sleep mode, shutdown mode, standby mode
●LED interface: 4
●Maximum LED driving current: 100mA
●Dynamic range: >102dB
●FIFO: 32*8 bits
●MCU core: SiFive s2 (64MHz)
●Memory: 256KB-Flash, 64KB-ROM, 64KB-RAM
●Digital Interface: UART / SPI / QSPI / I²C /I²S
●Debug Interface: JTAG
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