【产品】额定工作电压16~60V的维安车规级PPTC，电机堵转电流最大可达35A，可有效解决电机过热问题

时间： 2023-09-05 来源：WAYON官网

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汽车作为除去家、办公室以外，人类的第三生活空间，人们在车内的时间随着城市的扩展而逐步增加。特别是进入新能源汽车时代，自动驾驶和车载互联给汽车装上了五官手脚和大脑，让汽车从一个交通工具，变成了生活场景。随着智能驾驶技术和配套设施越来越成熟，在车里体验如家般的惬意也并不是什么难事。

为提升汽车的舒适化体验，汽车配置了丰富的电驱动车身设备，如玻璃窗升降、电子门锁、座椅调节、尾门升降、腰托、腿托、头枕、后视镜调节、天窗等，舒适性车身设备的配置数量和种类，随着乘客体验需求的增加而不断增多，配置车型也由中高端车型逐步向所有车型呈现普及化趋势。这些车身设备的驱动力直接来源于中小型直流电机，一辆汽车包含的中小型驱动电机数量，少则十几个，多则上百个，全球总量超过20亿只/年，且在逐年增长。

安全是条不可逾越的红线，是所有产品开发的最高原则。电机驱动作为现代汽车的核心控制技术之一，其自身的安全性，直接关系到汽车和驾乘人员的安全，只有充分考虑到系统特性，并针对产品使用场景进行全面的失效模式分析，才能保证产品生命周期安全性得到充分的验证。

如图1所示，在电机遇到故障，发生卡死或堵转等情况下，电机线圈产生大量焦耳热，若不及时切断电机电流，电机温度失控，轻则电机过热烧毁，重则引起汽车燃烧事故。

图1 无保护方案的电机电流和温升示意图

PPTC保护方案是中小型直流电机的主流保护方案之一，其工作特点在于：当电机遇到堵转情况时，PPTC产生焦耳热，热量累计到一定程度后发生动作，切断电机电流，从而达到保护电机的目的。此时，若电机堵转故障一直维持，则PPTC也一直处于高阻状态，从而不会出现反复的“通电-断电”情况，电机温度被一次性抑制到低温状态，如下图2所示。

图2 PPTC保护方案的电机电流和温升示意图

维安(WAYON)车规级PPTC产品具有如下特点：

1.多种封装外形，可根据电机内部空间及安装方式进行客制化配套，如图3所示实物图；

2.工作温度范围：-40~125℃；

3.额定工作电压16~60V，可满足乘用车和商用车电压环境使用；

4.适用的电机堵转电流最大可达35A；

5.具有自恢复特点，特性衰减程度小，寿命次数大于10000次；

6.高可靠性，满足AEC-Q200标准；

7.根据实际电机的温升要求，保护时间可进行调节设置。

图3 维安车规级PPTC产品实物图

图4 维安车规级PPTC应用原理图

汽车电机过热可能会损坏烧毁，将PPTC器件安装在靠近马达或者线圈的位置，电机堵转时的热量，将有利于PPTC器件更快的起到保护作用。

图5 维安产品在电机中的典型应用

维安(WAYON)品牌车规级PPTC产品，直接配套日系、欧美等国际主流汽车电机厂商，合作历史长达10年以上，间接配套主机厂包括宝马、大众、通用、特斯拉、标致雪铁龙、雷诺、本田、丰田、日产、现代、吉利、比亚迪等国内外主要品牌，广泛应用在了电动座椅调节系统、电动升降窗调节系统、电动门锁系统等为代表的车身设备中，保障了汽车的舒适性和安全性。

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本文由Vicky转载自WAYON官网，原文标题为:电机过热怎么办？维安PPTC有方案，本站所有转载文章系出于传递更多信息之目的，且明确注明来源，不希望被转载的媒体或个人可与我们联系，我们将立即进行删除处理。

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WPFXXXAXM系列

描述- 本资料介绍了Wayon Electronics Co., Ltd.生产的WPFxxxAxM系列过流和过充保护器。该产品具有无卤素、螺栓安装、高结构强度等特点，符合UL和TUV安全标准。产品符合RoHS指令，具有详细的电气特性、可靠性测试和包装信息。

型号- WPF120A20M,WPF150A20M,WPFXXXAXM SERIES,WPF150A10M,WPF150A22M,WPF150A24M,WPFXXXAXM,WPF150A14M,WPF150A4M,WPF150A5M,WPF150A16M,WPF150A7M,WPF150A3M,WPF120A4M,WPF120A3M,WPF120A16M,WPF120A14M,WPF120A24M,WPF120A7M,WPF120A22M,WPF120A5M,WPF120A10M

2024/8/7 - WAYON - 数据手册 - Rev: D 代理服务技术支持批量订货

WAYON power MOSFET选型表

WAYON（维安半导体）提供 Trench P Channel Power MOSFET（沟槽P沟道功率MOSFET）/SGT P Channel Power MOSFET（SGT P沟道功率MOSFET）/Trench N Channel Power MOSFET(沟槽N沟道功率MOSFET)/SGT N Channel Power MOSFET（SGT N沟道功率MOSFET）/Multi-Channel MOSFET Power MOSFET(多沟道功率MOSFET)选型，Type：N/P，ESD：NO/YES，VDS(V)：-150~300V，Vgs Max(v)：±10~±20V，VGS(th)(V)-Typ.:-3~3.8.

Rds(on)Vgs=10V,(mΩ)Max.

Rds(on) Vgs=4.5V,(mΩ)Typ.

Rds(on)Vgs=4.5V,(mΩ)Max.

Trench P Channel Power MOSFET

选型表 - WAYON 立即选型

Wayon公司简介

描述- WAYON公司成立于1996年，专注于电路保护、功率半导体和IC产品。公司拥有超过1000名员工，研发团队超过200人，其中包括6名博士。公司销售额在过去几年中稳步增长，2022年达到200百万美金。WAYON在PPTC市场占有率全球第三，拥有超低钳位电压的ESD和EOS国际领先技术。公司产品涵盖电路保护、功率半导体和IC产品，广泛应用于多个行业。公司在中国拥有多个研发中心，并在全球设有销售和服务中心。

型号- WMK043N10HGS,WMM80R1K0S,WMB190DN10LG2,WMO08N70EM,WMN26N65C4,WMK071N15HG2,WML25N50C4,WMO15N65F2,WMJ53N60F2,WMLL017N10HGS,WMJ30N80M3,WML26N65SR,WML10N70EM,WMB81N03T1,WMN10N65C4,WMO6N80D1,WMX10N80D1,WMJ13N80M3,WMN90R830S,WMM26N60C4,WMM12N80M3,WMM13N65EM,WMP08N95C2,WMQ50P03T1,WML10N70C4,WMJ12N105C2,WMM90R360S,WMK36N65F2,WM02DN560Q,WMX115N15HG2,WMK05N70MM,WMM3N150D1,WMO15N65C4,WMB076N06LG2,WMN18N50C4,WMP08N60C4,WMR050N03LG4,WMJ40N50D1,WMM6N90D1,EM SERIES,WMN15N60F2,WMN26N65F2,WMZ53N60F2,WML10N70D1,WMK20N65EM,WPCM32J120T2B,WMP05N65MM,WMB108N03T1,WMLL025N10,WMK28N50C4,WMX12N65D1,WMJ40N50C4,WMLL020N10HGS,WML15N80M3,WMN10N65EM,WMP13N50C4,WMO80R260S,WMB034N06HG4,WMF07N60C4,WMX13N50D1,WMO05N80M3,WMM07N90C2,WMM80R600S,WML06N80M3,WML80R260S,WMK90R500S,WMN90R500S,WMO06N80M3,WMQ023N03LG2,WMM12N105C2,WMO25N10T1,WMK20N65D1,WMM14N70C4,WMP06N90C2,WMK36N65C4,WML09N90C2,WMP03N80M3,WMN20N70EM,WMM05N65MM,WMJ80N65C4,WMK05N90C2,WMX20N65D1,WMN08N80M3,WMP20N65EM,WMM30N65EM,WMK30N70EM,WMF10N65C4,WMX049N12HG2,WMX4N65D1,WML07N80M3,WMM06N50C4,WMO09N90C2,WMJ53N60C4,WMK040N08HGS,WMK7N65D1,WMP80R600S,WMJ9N150D1,WMZ53N60C4,WMK26N65C4,WML80R850S,WMN10N50C4,WML25N70EM,WMM13N80M3,WMJ28N60C4,WMJ10N100D1,WMK13N50D1,WMK14N65SR,WML08N65C4,WMN03N90C2,WMJ80R350S,WMX20N50D1,S SERIES,WMK28N65C4,WMM40N50C4,WMM14N65C4,WML14N60C4,WMK13N50C4,WMO05N100C2,WML11N70SR,WMN07N95C2,WMZ28N60F2,WMM03N80M3,WMM15N70C4,WMP06N70EM,WMN20N65EM,WMP90R360S,WMO175N10LG4,WMK18N50C4,WMO10N105C2,WMF08N65C4,WMO11N95C2,WMK08N60C4,WMX028N10HGS,WMP14N70C4,WMP12N80M3,WMM06N65EM,WMB098N06LG2,WMK26N65F2,WMZ26N60C4,WMK90R830S,WMO25N50C4,WMN07N60C4,WMN11N65SR,WML14N60F2,WML12N95C2,WMF05N70MM,WMO55N03T1,WMJ90N65SR,WML08N65EM,WMJ28N60F2,WMZ13N65EM,WMX058N12HG2,WMK08N95C2,WMN10N65F2,WML6N100D1,WMM028N10HGS,WML90R1K1S,WMLL009NV6,WMZ36N60C4,WMJ80R260S,WMN14N70SR,WML05N80M3,WMK14N70C4,WMB013N04LG4,WMP26N60F2,WMJ9N90D1,WMN10N105C2,WMJ4N150D1,WMM10N60C4,WML06N65EM,WMJ36N60C4,WMM26N70SR,WML20N70EM,WMO20N15T2,WMN05N95C2,WMP07N100C2,WMO07N105C2,WMN18N70EM,WMM05N90C2,WMK13N65EM,WMK25N80M3,WMJ90R360S,WMJ120N60C4,WMM16N70SR,WMM11N80M3,WMJ3N150D1,WML9N90D1,WMM22N50C4,WMK18N65EM,WMP10N100C2,WMN15N95C2,WMM161N15T2,WMM07N70C4,WMN13N70EM,WMK12N100C2,WMR14N03TB,WML26N65F2,WMK10N80M3,WMP10N80M3,WMN05N105C2,WMP11N95C2,WML80R720S,WMM14N65F2,WMO16N65SR,WMO80R350S,WMO07N65C4,WMN15N60C4,WMO08N70C4,WMK28N65F2,WMP26N60C4,WMJ36N60F2,WMP14N65SR,WMLL099N20,WMK9N90D1,WMP13N65EM,WMM10N60F2,WMJ12N80M3,WMK80R850S,WMO10N50C4,WMM4N90D1,WMP26N65C4,WM03P51A,WMM15N65F2,WMM08N70EM,WMP13N80M3,WML30N80M3,WMJ26N65SR,WMPN40N50D1,WMN26N65SR,WMO08N65C4,WMK11N65SR,WMO12N80M3,WMM040N08HGS,WML06N50C4,WMP06N50C4,WML10N65C4,WML90R830S,WMX10N65D1,WMN07N65C4,WMM12N95C2,WMJ28N65F2,WMO26N60C4,WMO80R1K0S,WMZ53N65C4,WMK12N80M3,WMB032N04LG2,WMN08N95C2,WMO18N20T2,WMK26N60C4,WML20N70D1,WMB018N04LG2,WML08N80M3,WMO16N70SR,WMM30N70EM,WMM07N95C2,WMZ36N65C4,WML16N65SR,WMB060N08LG2,MA SERIES,WML15N95C2,WMM12N100C2,WMK22N50C4,WML07N70C4,WML14N65F2,GS系列,WMK07N105C2,WMLL017N10,WMM043N12HGS,WM02N31M,WML26N70SR,WMN36N65C4,WMJ12N120D1,WMH4N80D1,WMO05N95C2,WM03N58M,WML15N60C4,WMK14N60C4,WMK18N70EM,WMM08N70C4,WMN05N100C2,WMLL020N08,WML20N50D1,WMX161N15T2,WMJ12N100C2,WMM90R1K1S,WMN80R260S,WMM06N80M3,WMM05N80M3,WMQ55P02T1,WMB31430DN,WMM05N105C2,WMM14N70SR,WMX043N10HGS,WMK26N60F2,WMO10N100C2,WMJ35N80M3,WMO14N70C4,WMK80R720S,WMP06N65EM,WMN06N90C2,WMM043N10HGS,WMP90R500S,WMO08N65EM,WMN53N65C4,WMN10N60F2,WMM53N60C4,WMP05N70MM,WMN13N50C4,WMLL015N08HGS,WMK90R360S,WMJ30N65EM,WMN06N70EM,WMP90R830S,WMK03N80M3,WMK3N150D1,WPCM75J120T2B,WMN03N80M3,WML15N60F2,WMX12N70D1,WMP26N65F2,WMN11N70SR,WML10N80M3,WMN22N50C4,WMO15N60F2,WMX198N15HG2,WML11N95C2,WMN08N60C4,WML07N100C2,WMO03N90C2,WMX4N80D1,WMJ28N65C4,WMM90R1K5S,WMK25N65EM,WML14N65C4,WML40N50C4,WMJ15N80M3,WMN05N90C2,WMJ90N65C4,WMJ80N65EM,WMM10N100C2,WML10N105C2,WMP08N70EM,WMN14N60C4,WMJ80N65F2,WML10N50C4,WMN80R850S,WML05N100C2,WMP80R850S,WMK25N50C4,WM03P91A,WMO10N70EM,WML28N60C4,WMK05N105C2,WMX16N70D1,WMM14N65SR,WML03N90C2,WML90R260S,WMN90R260S,WML20N65EM,WMLL015N08,WMO9N65D1,WML80R350S,WMK12N65D1,WMM28N65C4,WMZ14N60C4,WMX025N06HG2,WMM36N60F2,WMO14N65C4,WMM15N80M3,WMK10N60F2,WMM25N80M3,WMO10N70C4,WMO11N80M3,WMO07N70C4,WML06N70EM,WMN07N100C2,WMO08N80M3,WMN05N70MM,WML30N65EM,WMP05N105C2,WMP11N70SR,WMN10N80M3,WMJ30N70EM,WMP22N50C4,WML13N70EM,WMK90N08TS,WML16N70D1,WMM18N65EM,WML53N65F2,WMO14N65F2,WMB050N04LG2,WMN80R720S,WMM28N65F2,WMM80R160S,WMB13N65EM,WMO90R1K5S,WMN13N65EM,WMN07N80M3,WMP05N90C2,WML10N65EM,WMF06N80M3,WML10N65F2,WMO07N90C2,WMK06N80M3,WM02DN60M3,WMB014N06HG4,WMLL014N06HG4,WMB034N06LG4,WMQ40N03T1,WMF10N60C4,WMP14N70SR,WMM36N60C4,WMP06N80M3,WMX060N10HGS,WMK14N70SR,WM02P06F,WM02P06H,WMM26N60F2,WML06N90C2,WMK10N60C4,WMO100N07T1,WMN09N90C2,WMK80N06TS,WMK07N60C4,WMK05N65MM,WMN36N65F2,WMB150N03TS,WMO80R600S,WMJ20N70EM,WML05N95C2,WMP10N60F2,WMJ90N65F2,WM0XPXXXR,WMB016N06HG4,WMF05N65MM,WMB119N10LG2,WML10N65D1,WMS690N15HG2,WMP07N95C2,WML07N65C4,WMM15N65C4,WMK07N95C2,WMP15N70C4,WMK15N70C4,WMM18N50C4,WM02DN080C,WML12N105C2,W

2023/8/11 - WAYON - 商品及供应商介绍 - V1.0 代理服务技术支持批量订货

Diverse Specifications, Flexible Packaging: WAYON‘s Thyristors Meet Your Various Needs

WAYON has developed and launched two types of conventional thyristor products for the market: unidirectional thyristors and bidirectional thyristors. Currently, WAYON‘s thyristor product series includes 234 specifications, covering nearly 80% of the mainstream thyristor types in the market, meeting the diverse needs of customers.

2024-08-13 - 原厂动态代理服务技术支持批量订货

WAYON SMD CHIP FUSE/SELF CONTROL FUSE选型表

WAYON（维安半导体）提供SMD CHIP FUSE（贴片熔断器）/SELF CONTROL FUSE（自恢复熔断器）选型：Rated Current(A)：0.25-60，Rated Voltage (V)DC：24-400，Fuse DCR(mΩ)：0.003-3600，Breaking(A)：25-500.

产品型号	品类	Rated Current(A)	Rated Voltage(V)	Fuse DCR(mΩ)	Breaking(A)	Operating Voltage(V)	Heater DCR(Ω)	Applicable Cells in sreies(cell)
WPF30A1K	SELF CONTROL FUSE	30	62	1.0-2.5	80	4.0-6.6	0.8-1.2	1

选型表 - WAYON 立即选型

WAYON（维安）TVS/肖特基/稳压管产品选型指南

目录- TVS产品系列肖特基产品系列稳压管产品系列

型号- WSXXP6SMAF,WSR4020D1F,WS15P10SMB-B,WZ5C2V4~62VT,WS20P10SMB-BHS,WSR15020CT,WSR4003BL,SMF20CAS,WS1236M,WSRXXXXD1F,5.0SMDJ58CA,WS30P6SMA-BNRH,WSR10005U,WSR10020CT,WSXXP4SMA,WSRXXXXCDS,SMFXXA,SMFXXCA,WSR4003AL,WS05-4R2P,WSXXP15SMC-B,WZ5C2V0~75VD3F,WSR10010U,WSR4001A,WS36P4SMA,WS30P10SMB-BNRH,WSR15010CT,WS5414KC,WSR10020FCT,WSXXP6SMB-B,WSR20010CT,SMF18A,WSR4510U,WSR10010FCT,WSXXP10SMB-B,WS03-4TP,WZ5B2V4~75VF,WS58P60SMC-BH,WSR4002A,WS18P4SMA,WSXXP6SMAF-B,WS30P20SMB-BHNR,WS18P10SMB-B,WSRXXXXFCT,SMF3.3A,WSR20020CT,SMF13A,WSR10015U,WS9.0P4S1,WSXXP4SMA-B,WS05-4RUL,WSXXP6SMB,5.0SMDJ20CAS,WS13P4SMA,SM4FXXCA,WSR6020D1F,SM4FXXA,WSXXP10SMB,WSRXXXXB,WSR4003B,WSRXXXXC,WE05-4RVLC,WSR4030D1FL,WSRXXXXA,WSR6030D1F,6.0SMDJ30CA,WS58P20SMB-BH,SMF5.0A,SMF36A,WSR10010CT,WSR4520FCT,WZ5C2V4~75VD1,WSRXXXXU,WS05-4R3P,WSR20010FCT,WSXXP15SMC,WSRXXXXCT,WZ5C2V4~75VD5,WS24P10SMB-BHS

2023/8/11 - WAYON - 选型指南代理服务技术支持批量订货

WAYON 车规级MOSFET选型表

WAYON 提供车规级MOSFET选型：VDS(V)：20-100，ID(A)@TA=25℃(Max.)：0.13-200，Rds(on)(mΩ)@Vgs=10V(Max.)：1-500.

产品型号	品类	Package	type	VDS(V)	ID(A)@TA=25℃(Max.)	Rds(on)(mΩ)@Vgs=10V(Max.)	Tch（°C）
WMB26N06TS-AT	车规级MOSFET	DFN5*6	N-ch	60 V	26 A	32 mΩ max	150°C