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脉搏血氧仪

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描述

通过无创实时监测来测量和记录血氧饱和度在临床、家庭和急救场景中至关重要。 这款脉搏血氧测量平台可实现下一代互联医疗保健,并提供紧凑型无线指夹式与手持式设计。 该平台由 Bluetooth® 低功耗(LE)SoC 或集成 Wi-Fi® 与 Bluetooth LE 的一体化模块驱动,支持超低功耗处理、集成 USB 充电以及无缝无线连接。 该系统可提供精确的血氧饱和度测量。 与先进的模拟前端(AFE)、光学前端及传感器搭配使用,该方案通过补偿运动、皮肤温度及色素沉着差异等环境干扰来实现精确度。

该设计还为 AFE 的模拟端与接收器部分提供纯净电源,提高了 LED 的安全性和效率,同时最大限度地延长了电池寿命。 以上功能结合在一起,使这款紧凑型高性能血氧仪成为高端消费者健康和远程监护应用场景的理想之选。

系统优势:

  • 指夹式系统可集成与谷歌 Find My Device 及苹果 Find My® 网络兼容的众包定位(CSL) 追踪功能,有助于防止设备丢失或遗落。
  • 手持式系统支持更大的显示屏,可显示高级生物信号指标,并配备专用的电容式触摸控制器,可实现高级 HMI 功能。
    • 该手持平台将传感与处理、显示分离,为指尖、腕带或贴片等多种形态的传感器设计赋予灵活性。
  • 紧凑型低功耗可充电系统设计,有效缩减体积、降低成本并简化结构。
  • 其 AI 就绪型架构支持先进信号处理算法,能有效抵御常见脉搏血氧测量误差源。

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该板卡已上线云上实验室(Lab on the Cloud),使用我们的 PC 图形界面,无需实体板卡,便可在虚拟实验室中立即开始配置和测试设计。

指夹式脉搏血氧仪

WS178-1: WEBConnector LineSheet.62CrystalSheet.53Sheet.54Sheet.55Sheet.56Sheet.57Sheet.58Sheet.59Line.60Line.61LineLine Arrow.71Connector Arrow.162Connector Arrow.168Connector Arrow.174Line.39Connector ArrowConnector Arrow.82Sheet.140Diode - PhotodiodeSheet.86Sheet.87Sheet.88Sheet.89Sheet.90Darlington.651Sheet.92Darlington.254Line.138Line.139Diode LED GreenSheet.96Sheet.97Sheet.98Sheet.99Darlington.651Sheet.101Darlington.254Sheet.103Sheet.104Diode - LEDSheet.106Sheet.107Sheet.108Sheet.109Sheet.110Darlington.651Sheet.112Darlington.254Diode LED RedSheet.115Sheet.116Sheet.117Sheet.118Darlington.651Sheet.120Darlington.254Sheet.122Sheet.123Line.127Line.128Line.129Line.130Connector 1.160.131Line.132Line.133Line.134Line.135Line.136USB-CUSB-CUSB-CUSB-CSheet.4Sheet.5Sheet.6Sheet.7Sheet.8Sheet.9Sheet.10Sheet.11Sheet.12Sheet.13Sheet.14Sheet.15Sheet.16Line ArrowAntennaSheet.22Sheet.23Sheet.24Sheet.25Sheet.26Battery Li-ion.188Sheet.29Sheet.30Sheet.31Sheet.32Sheet.33Sheet.34Sheet.35Sheet.36VBATVBATVBATPush ButtonCircleCircle.71LineLine.71Line.74Line.7532MHz32MHz32MHzSpeakerspeaker_8_Sheet.67Sheet.68Sheet.69Sheet.70EnableEnableEnableLoad SwitchLoad SwitchLoad SwitchVBATVBATVBATConnector Arrow.78Line Arrow.79Connector 1.160EnableEnableEnableBi-directionalConnector Arrow.1251.8VAFE1.8VAFE1.8VAFEBi-directional.144Connected signals arrow1.8V1.8V1.8VLine Arrow.148Connected signals arrow.149LCD (TFT-LCD)Block.120TFT-LCDTFT-LCDTFT-LCDSheet.157Sheet.158Sheet.159Sheet.160VBATVBATVBATLine Arrow.164Connector Arrow.1653.3V3.3V3.3VFlashFlashFlashBi-directional.1731.8V1.8V1.8VWS178-1WS178-1WS178-1DC/DCDC/DCDC/DCLDOLDOLDOAnalog Front EndAnalog Front EndAnalog Front EndAccelerometerAccelerometerAccelerometerBody Temperature SensorBody Temperature SensorBody Temperature SensorSheet.177Bluetooth SoCBluetooth SoCBluetooth SoCUSBUSBUSBVBATVBATVBATPHYPHYPHYGPIOGPIOGPIOXTALXTALXTALPWMPWMPWMGPIOGPIOGPIOGPIOGPIOGPIOSPISPISPII2CI2CI2CGPIOGPIOGPIOSPISPISPI1.8V1.8V1.8VQSPIQSPIQSPI
Exiting Interactive Block Diagram

手持式脉搏血氧仪

WS178-2: WEBConnector Arrow.196Line Arrow.78Line Arrow.79Line Arrow.80Line Arrow.81Connector LineConnector Arrow.156Connector ArrowLine Arrow.164Line.158Sheet.182Diode - PhotodiodeSheet.172Sheet.173Sheet.174Sheet.175Sheet.176Darlington.651Sheet.178Darlington.254Line.180Line.181Diode - LEDSheet.100Sheet.101Sheet.102Sheet.103Sheet.104Darlington.651Sheet.106Darlington.254Diode LED RedSheet.109Sheet.110Sheet.111Sheet.112Darlington.651Sheet.114Darlington.254Sheet.116Sheet.117Diode LED GreenSheet.119Sheet.120Sheet.121Sheet.122Darlington.651Sheet.124Darlington.254Sheet.126Sheet.127Line.128Line.129Line.130Line.131Line.132Line.133Line.134Connector 1.135USB-CUSB-CUSB-CUSB-CSheet.3Sheet.4Sheet.5Sheet.6Sheet.7Sheet.8Sheet.9Sheet.10Sheet.11Sheet.12Sheet.13Sheet.14Sheet.15Line ArrowBattery Li-ion.186Sheet.22Sheet.23Sheet.24Sheet.25Sheet.26Sheet.27Sheet.28Sheet.29LineVBATVBATVBAT3.7V, 500-1000mAh Li-ion3.7V, 500-1000mAh Li-ion3.7V, 500-1000mAhLi-ionBi-directional3.4-4.6V3.4-4.6V3.4-4.6VConnector Arrow.423.3V3.3V3.3VLCD (TFT-LCD)Block.120TFT-LCDTFT-LCDTFT-LCDSheet.47Sheet.48Sheet.49Sheet.50Speakerspeaker_8_Sheet.54Sheet.55Sheet.56Sheet.57Connected signals arrowConnector Arrow.90Analog Front EndAnalog Front EndAnalog Front EndConnector Arrow.97WS178-2WS178-2WS178-2Connector Arrow.138Touch Key.145Sheet.146Sheet.147Sheet.148Sheet.149Sheet.150Sheet.151Sheet.152Sheet.153Sheet.154Bi-directional.155Wake-upWake-upWake-upVertical Wire Bundle.159nnnSheet.161PSRAMPSRAMPSRAMBi-directional.84VLEDVLEDVLEDConnected signals lineConnector 1.160Connected signals arrow.168Connected signals arrow.169Connector 1.160.170AlertAlertAlertVLEDVLEDVLED1.8VAFE1.8VAFE1.8VAFEBi-directional.187AccelerometerAccelerometerAccelerometerBody Temperature SensorBody Temperature SensorBody Temperature SensorBi-directional.194Connected signals arrow.195Connected signals arrow.1971.8V1.8V1.8VFingertip Sensor or Sensor PatchFingertip Sensor or Sensor PatchFingertip Sensor or Sensor PatchHigh PSRR LDOHigh PSRR LDOHigh PSRR LDOBuck-BoostBuck-BoostBuck-BoostFuel GaugeFuel GaugeFuel GaugeSheet.238Battery ChargerBattery ChargerBattery ChargerUSBUSBUSBVBATVBATVBATI2CI2CI2CVSYSVSYSVSYSLS1LS1LS1Sheet.239Capacitive Touch ControllerCapacitive Touch ControllerCapacitive Touch ControllerI2CI2CI2CGPIOGPIOGPIOCTSUCTSUCTSUSheet.240Wi-Fi/Bluetooth LEWi-Fi/Bluetooth LEWi-Fi/Bluetooth LEVDDVDDVDDPWMPWMPWMSPI+BLDSPI+BLDSPI+BLDGPIOGPIOGPIOI2CI2CI2CIRQIRQIRQQSPIQSPIQSPISPISPISPI1.8V1.8V1.8VI2CI2CI2CAntennaSheet.200Sheet.201Sheet.202Sheet.203Sheet.204Line.205Line.206Line.207Line.208Connector 1.160.209CrystalSheet.212Sheet.213Sheet.214Sheet.215Sheet.216Sheet.217Sheet.218Line.219Line.220XTALXTALXTALCrystal.224Sheet.225Sheet.226Sheet.227Sheet.228Sheet.229Sheet.230Sheet.231Line.232Line.233XTALXTALXTAL32MHz32MHz32MHz40MHz40MHz40MHzWi-Fi PHYWi-Fi PHYWi-Fi PHYBLE PHYBLE PHYBLE PHY
Exiting Interactive Block Diagram

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