【应用】耐75A大电流的大电流电感器MGV用于心率监测手表、手环,实现更低成本
近些年来随着电子技术的发展,科技的进步,智能穿戴设备逐渐兴起,其中和医疗健康相结合的产品满足了人们的日常生活中健康监测要求,取得了越来越广泛的应用。心率作为血液循环机能的重要生理指标,它不仅是反映心脏功能强弱的重要标志,也反映出人体运动强度,在日常运动锻炼中也被广泛地应用。由于心率监测手表手环表体积小,功耗低等产品特点的,目前广泛用于心率检测。
在本方案的设计中,为更好地监测人们的心率状况,在心率监测手表、手环电源管理单元,需要一款高性能的大电流电感器。据此,本方案采用LAIRD 的MGV系列大电流电感器,为心率监测手表手环提供解决方案。莱尔德MGV系列大电流电感器提高了性能、可靠性和功率效能。低高度,小型化结构有利于消费电子和电信产品的设计。
图1 心率监测手表手环电路框图
相对于其他同类产品,Laird(莱尔德) MGV系列大电流电感器具有很多明显的优势。首先,MGV系列大电流电感器具有较宽的电感范围,比如MGV1707为1~1000µH;其次,在电气特性方面,其额定电流高达118A,具有极低的直流电阻(DCR),拥有更高的效率,可在小面积内通过大量电流。其次, MGV可在-55℃至125℃(包括零件本体温升)的温度范围内工作,存储温度范围(包装条件)为 -10°C~+40°C,相对湿度60%(最大),可承受高温,因此可以保证心率监测手表手环在条件恶劣的环境下正常工作,具有极高的稳定性。
此外,MGV尺寸非常小,比如MGV0312低至3.5*3.2*1.0mm3,因此占用空间小,非常适合心率监测手表手环这种对空间要求极高的应。同时,此系列电感器属于磁屏蔽和铸型结构可以有效抑制电机电源线高频噪声干扰。值得一提的是,MGV比同品质的产品价格低10%,性价比极高。
综上所述,Laird(莱尔德)的MGV大电流电感器以具有耐大电流、电磁特性平稳、耐湿耐高温等优势,为心率监测手表手环等应用提供解决方案。世强作为Laird代理商,有充足现货,欢迎咨询选购。MGV系列产品的各型号详细参数见图2。
图2 MGV系列产品的各型号详细参数
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Laird(莱尔德)MGV高电流和薄型SMD功率电感器选型指南(英文)
目录- High current power inductors Product introduction High current power inductors Selection Guide High current power inductors PACKING INFORMATION High current power inductors SAMPLE KIT LISTS
型号- MGV1205150M,MGV12073R3M-10,MGV0503330M-10,MGV12075R6M,MGV05026R8M-10,MGV0603150M-10,MGV0605150M-10,MGV1207R22M,MGV06251R0M-10,MGV0503R47M-10,MGV03023R3M-10,MGV12053R3M-10,MGV1707100M,MGV1707560M,MGV0412,MGV1707330M,MGV03021R2M-10,MGV05022R2M-10,MGV06038R2M-10,MGV0603R22N-10,MGV06058R2M-10,MGV05024R7M-10,MGV0603R33M-10,MGV0625R10N-10,MGV1205220M-10,MGV1207R47M,MGV1207220M-10,MGV0302R82M-10,MGV1707680M,MGV1205R82M-10,MGV0402,MGV12053R3M,MGV1707220M,MGV170,MGV05021R5M-10,MGV12071R0M,MGV04124R7M-10,MGV1207R82M-10,MGV1707220M-10,MGV1207R15M-10,MGV0412R68M-10,MGV03021R5M-10,MGV0512100M-10,MGV05023R3M-10,MGV1207R22M-10,MGV17073R3M-10,MGV1207R68M,MGV1207R56M,MGV04122R2M-10,MGV12071R5M-10,MGV0402R10N-10,MGV06056R8M-10,MGV06031R5M-10,MGV17072R2M,MGV0312,MGV12052R2M-10,MGV12056R8M-10,MGV1207100M,MGV17071R5M,MGV06052R2M-10,MGV1207330M,MGV17071R5M-10,MGV0302100M-10,MGV1207100M-10,MGV0605R68M-10,MGV031,MGV04126R8M-10,MGV1004R56M-10,MGV10041R0M-10,MGV12054R7M-10,MGV1207R30M-10,MGV10045R6M-10,MGV1207R33M,1004,MGV1707100M-10,MGV1707101M,MGV06054R7M-10,MGV0302,MGV1207220M,MGV1707820M,MGV1707470M-10,MGV17076R8M-10,MGV0503R56M-10,MGV17074R7M,MGV06021R0M-10,MGV06033R3M-10,MGV10044R7M-10,MGV04121R0M-10,MGV0503100M-10,MGV0503R10N-10,MGV05021R2M-10,MGV05031R2M-10,MGV10041R5M-10,MGV06055R6M-10,MGV10042R2M-10,MGV06051R0M-10,MGV12076R8M,MGV12071R8M-10,MGV12078R2M,0605,0602,0603,MGV1207150M-10,MGV12071R5M,MGV0302R47M-10,MGV0625R33M-10,MGV12072R2M,MGV0312100M-10,MGV1205R47M-10,MGV1207R47M-10,MGV05121R0M-10,MGV1207R82M,MGV1205R33M-10,MGV0302R22N-10,MGV12058R2M-10,MGV12078R2M-10,MGV1207330M-10,MGV10046R8M-10,MGV1707470M,MGV1205330M-10,MGV0603220M-10,MGV0605220M-10,MGV1207R15M,MGV1004220M-10,1707,MGV0603R82M-10,MGV0605R82M-10,MGV1004R22M-10,MGV12071R8M,MGV0605R22M-10,MGV12051R5M-10,MGV1205R22M-10,0502,MGV05033R3M-10,MGV0602R22N-10,MGV06252R2M-10,MGV1004470M-10,MGV12054R7M,MGV04121R5M-10,MGV06051R5M-10,MGV0402100M-10,MGV06036R8M-10,MGV04021R2M-10,MGV1205,MGV06256R8M-10,MGV0512R47M-10,MGV03123R3M-10,MGV1207,0503,0625,MGV06032R2M-10,MGV0412R22M-10,MGV06254R7M-10,MGV04023R3M-10,MGV0412220M-10,-530 MGV IND,MGV1207R68M-10,MGV12055R6M-10,MGV17072R2M-10,0512,MGV0402R56M-10,MGV06034R7M-10,MGV17074R7M-10,MGV0302R68M-10,MGV17071R0M,MGV0602R47M-10,MGV05036R8M-10,MGV04024R7M-10,MGV03122R2M-10,MGV03121R5M-10,MGV0625220M-10,MGV1205R33M,0402,MGV0512R68M-10,MGV1707560M-10,MGV04021R5M-10,MGV0502R47M-10,MGV0602150M-10,MGV12055R6M,MGV12075R6M-10,MGV0312R22M-10,MGV1207150M,MGV0503R22M-10,MGV03126R8M-10,MGV06253R3M-10,MGV03021R0M-10,MGV12051R0M-10,MGV12071R0M-10,MGV1205220M,MGV0603R47M-10,MGV12051R0M,MGV12073R3M,MGV0402220M-10,MGV17071R0M-10,MGV0512150M-10,MGV0602R68M-10,MGV1205R68M,MGV1205R56M,MGV0503150M-10,MGV04022R2M-10,0412,MGV03124R7M-10,MGV04026R8M-10,MGV0605470M-10,MGV0603470M-10,MGV0603330M-10,MGV0302R10N-10,MGV0625R82M-10,MGV0512R10N-10,MGV0625R22M-10,MGV1004100M-10,MGV1004R47M-10,MGV0402150M-10,MGV1205R47M,MGV10041R2M-10,0302,MGV0512R22M-10,MGV06021R5M-10,MGV05121R5M-10,MGV10043R3M-10,MGV05032R2M-10,MGV1004,MGV0602R10N-10,MGV0603100M-10,MGV05034R7M-10,MGV0602R33M-10,MGV06251R5M-10,MGV05021R0M-10,MGV1205R22M,MGV0503R68M-10,MGV0602220M-10,0312,MGV0412R47M-10,MGV1207R56M-10,MGV1205R68M-10,MGV0625100M-10,MGV1205330M,MGV1004R20N-10,MGV1205100M,MGV0402R22N-10,MGV0402R68M-10,MGV1707101M-10,MGV06053R3M-10,MGV0312R82M-10,MGV0502R10N-10,MGV06023R3M-10,MGV0502100M-10,MGV1707330M-10,MGV0412R10N-10,MGV04121R2M-10,MGV1707,MGV0412100M-10,MGV0503R82M-10,MGV05124R7M-10,MGV12051R8M-10,MGV06031R0M-10,MGV0625150M-10,MGV1205150M-10,MGV0603R10N-10,MGV1707150M-10,MGV17076R8M,MGV0602100M-10,MGV04123R3M-10,MGV1207R33M-10,MGV0502R68M-10,MGV05031R0M-10,MGV1207R30M,MGV1004R36M-10,MGV05123R3M-10,MGV06024R7M-10,MGV0503R33M-10,MGV0625R47M-10,MGV1004330M-10,MGV1707820M-10,MGV12051R5M,MGV0602R56M-10,MGV1207470M-10,MGV0605,MGV0312R68M-10,MGV0602,MGV0603,MGV12052R2M,MGV1004R19N-10,MGV05126R8M-10,MGV03022R2M-10,MGV12074R7M,MGV05121R2M-10,MGV0402R47M-10,MGV1004150M-10,MGV06258R2M-10,MGV12076R8M-10,MGV1205R82M,MGV1707150M,MGV0512,MGV03026R8M-10,MGV03121R0M-10,MGV0503220M-10,MGV1207R40M-10,MGV12051R8M,MGV12072R2M-10,MGV06022R2M-10,MGV17073R3M,MGV1707680M-10,MGV0312R47M-10,MGV05031R5M-10,MGV05122R2M-10,MGV1205100M-10,MGV06021R2M-10,MGV0605100M-10,MGV1205R56M-10,MGV06026R8M-10,MGV0603R68M-10,MGV1207R40M,MGV04021R0M-10,MGV12056R8M,1205,MGV0605R56M-10,MGV12058R2M,MGV1004R15N-10,MGV0502,MGV1207470M,MGV0625R68M-10,MGV,MGV12074R7M-10,MGV0503,MGV0625,1207,MGV03024R7M-10
世强代理哪些品牌的功率电感?功率电感的饱和电流怎么测试?
世强代理的功率电感有LAIRD、TT、FDK品牌,饱和电流是在电感上加一特定量的直流偏压电流, 使电感的电感值相对未加电流时的电感值下降10%-30% (一般都是按30%来算),这个直流偏压电流就叫该电感的饱和电流,功率电感需要用专用的仪器测试。
MAF0606 Series High Current Low DCR Molded Power Inductor
型号- MAF0606100M-1A,MAF,MAF0606,MAF0606150M-1A,MAF0606 SERIES,MAF06064R7M-1A,MAF06061R0M-1A,MAF SERIES,MAF06066R8M-1A,MAF06062R2M-1A
【选型】工作频率已经可以达到5MHz的全磁屏蔽一体成型电感,较传统功率电感和NR电感更可靠
LAIRD一体成型电感MGV系列具有全磁屏蔽性能,大功率,防噪音的性能,在电脑、通讯、消费、工业和汽车电子产品等领域都得到广泛的应用,目前功率电感市场需求仅次于NR电感,并逐步成为电感市场的主流方向。
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可定制LED组件/LED传感/UV模组的电压、电流、波长等性能参数,电压:3-24V,,电流:30-3500mA,波长:270-940nm;材质:食品级POM,阻燃PC;防水等级:IP20-IP68。
最小起订量: 1000 提交需求>
可定制ATP TE Cooler的冷却功率:40~200W;运行电压:12/24/48V(DC);控温精度:≤±0.1℃; 尺寸:冷面:20*20~500*300;热面:60*60~540*400 (长*宽;单位mm)。
最小起订量: 1 提交需求>
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