【应用】精度误差低至读数的2%，Renesas高性能气体流量传感器助力CPAP呼吸机气体流量监测应用
CPAP即持续气道正压(Continuous Positive Airway Pressure)，采用面罩将持续的正压气流送入呼吸道，使用此种方式给氧的机器称CPAP呼吸机。该产品是一种在新生儿、婴幼儿出现呼吸衰竭、呼吸困难情况提供混合氧的一种专用设备，可以有效避免使用纯氧可能会导致一些不良后果，广泛用于医院儿科室，是医院必备的医疗设备。其设计原理为在自主呼吸条件下，整个呼吸周期内人为地施以一定程度的气道内正压，从而有利于防止气道萎陷，增加功能残气量，改善肺顺应性，并提高氧合作用。此类设备通常需要具有专用的气体流量传感器实时监测气体供给情况，气体流量传感器的精度和稳定性直接关系到患者的生命安全。
图1 瑞萨Synergy S7微控制器和FS2012气体流量传感器应用图示
瑞萨Synergy S7微控制器和IDT（瑞萨收购）推出的FS2012气体流量传感器搭配使用，可以合理控制电机速度，以获得更好的流量精度。另外，通过气体流量传感器提供闭环反馈以确定电机故障，确保CPAP呼吸机的持续可靠运行，同时其具有内置LCD控制器以扩展系统功能。这种组合非常适用于CPAP和高速流体流量控制系统，瑞萨提供的解决方案还可以选配电源和时序设备。
图2 FS2012气体流量传感器实物图
本文推荐IDT（瑞萨收购）推出的高精度流量传感器——FS2012气体流量传感器，其采用热转换（量热）原理测量传感表面的气体流量，能够测量非腐蚀性的气体或液体介质；FS2012流量传感器的精度误差低至读数的2%（典型值），能够满足CPAP呼吸机等高速流体流量控制系统的使用精度要求。与其他流量解决方案相比，FS2012具有关键优势，该传感器采用MEMS热电偶用作传感元件，可提供出色的信噪比，同时，热隔离以及碳化硅薄膜涂层具有出色的耐磨性和长期可靠性，能够适应于CPAP呼吸机高可靠性应用，从而确保患者应用安全。
此外，FS2012流量传感器的工作温度范围为0℃~85℃，适用范围较宽，满足CPAP等医疗设备的应用温度，可很好的适应CPAP呼吸机的工作环境。其具备模拟输出和数字输出功能，其中，模拟输出电压范围0~5V，数字输出支持I2C协议。便于产品的扩展与集成。FS2012流量传感器机械尺寸52.8mm × 240mm，带6pin的插针，流动通道壳体和基座中使用了高温材料，可很好兼顾了产品设计空间和成本因素。
综上所述，IDT（瑞萨收购）推出的FS2012流量传感器具有高精度、多输出模式（模拟/数字输出）、宽温度范围等突出优势。尤为适用于呼吸装置、液体分配系统、过程控制和监控等控制系统，可完全满足CPAP呼吸机及应用的使用要求。
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ES,5962-8866202,ZSSC4169DE4R 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ES,SSTVF16859BKLFT/M,74FCT162373ATPVG,5962-3829417MXA,7130LA35CB,7281L15PAG,72V241L10JG,7006S12PFI,QS3126QG,72V811L15PFGI8,QS3VH257S1G,7027S12G,72V241L10PFG8,74FCT16952CTPVG,7006S12PF8,LDS6107NQGI8,70V26L12J8,7133LA90G,72V211L15PFG,74ALVC162245PAG8,LDS6107NQGI,7130SA35C,5962-9221802MRA,7006S55G,70V06L12J8,7027L12PF,72205LB10PFI,72811L20PFG,72T36135ML5BB,5962-8753103XA,709269L7PFG8,P9038-RNDGI8,7006L12PF8,70V17S12PFI8,72230L10TPG,72V215L10TFI8,72V801L20PFG,72V255LA10TFI,74FCT373ATPYG,7007S12J,70824S35PFI,72211L10PFG8,72811L20PFG8,QS3VH125QG8,71256
【产品】高性能固态流量传感器模块FS1012和FS2012，适合液体和气体应用
IDT（Renesas收购）推出的FS1012和FS2012流量传感器模块能够实现低至测量读数2%的精度，使用相同传感器模块时无论是高流量还是低流量都能提供较高的准确性。采用紧凑型封装，解除了系统设计集成约束，适合液体和气体应用。
新产品 发布时间 : 2019-03-31
【应用】瑞萨推出ASi-5多传感器平台，可单个3.3V或5V输入电源，实现数据快速评估和计算
瑞萨电子推出了ASi-5多传感器平台，通过DIP开关或软件选择传感器，具备单个3.3V或5V输入，内部产生附加电源轨，在单一PCB上集成了多个传感器、接口、用于传感器数据预评估的专用MCU以及电源。
应用方案 发布时间 : 2022-04-04
BUILDING AUTOMATION Leading-edge IoT solutions for HVAC, fire/safety,building security, and lighting
型号- RX200,RX2XX,ISL29035EVAL1Z,SDAF0X,RX23T,RX71M,RX63N,ISL29125,RX23E-A,RX200 SERIES,RX600,RX6XX,RX63T,RL78/G SERIES,RX62N,RX700 SERIES,RX113,RX630,RX100 SERIES,RX66T,RX631,RX230,RX231,RX110,ZMOD4510,RX111,RX62G,RX231/0,RX-T,HS3001,ISL29035,FS2012,RL78/G12,ZMOD4410-EVK,RX600 SERIES,RX62T,ISL29125EVAL1Z,RX621,SDAH02,RL78/I1A,RX65N,RL78/G1D,RX220,RX100,RX1XX,RL78/G1H,FPU,SDAWIR,RX24U/T,FS1012,SGAS711,RX700,RX7XX,RX72M,RX651,RX24T,RX24U,RX610,RXXXT,RX130,RXV2,RX64M,RXV3,RXV1,RX210,ZMOD4410,RX65N/1,RX21A,RX72T
电子商城
现货市场
服务
可自由定制铜排形状尺寸；检测精度：0.5%~1.0；电流测量范围 ±300-500A。低噪音 (0.27mVpp)；低磁力残余误差:2mV；响应性能<4μSec；支持RoHS指令 、AEC-Q200。
最小起订量： 100个 提交需求>
可定制温度范围-230℃~1150℃、精度可达±0.1°C；支持NTC传感器、PTC传感器、数字式温度传感器、热电堆温度传感器的额定量程和输出/外形尺寸/工作温度范围等参数定制。
提交需求>
授权代理品牌：集成电路
授权代理品牌：分立元件
授权代理品牌：接插件及结构件
授权代理品牌：部件、组件及配件
授权代理品牌：电源及模块
授权代理品牌：电子材料
授权代理品牌：仪器仪表及测试配组件
授权代理品牌：电工工具及材料
授权代理品牌：机械电子元件
授权代理品牌：加工与定制
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