【选型】国产电源管理芯片可替代XXX364,较ON-OFF控制降低5-10分贝噪音
自主可控的本地化供应链正在各行各业不断推进,这为国内集成电路企业带来了难得的国产替代黄金时期。家电产品作为日常生活的必需品,使用量较大且产品单价较高,在其研发过程中特别注重器件的易用性、稳定性和可靠性;同时由于家电产品的功能和品质要求不断提升,也存在着器件性能升级的需求。作为整个家电系统的核心部件,家电用电源管理芯片之前基本被欧美半导体公司所垄断。加上现有方案不仅成本高且更新换代慢,影响了国产家电行业的快速发展。
作为致力于成为行业领先者的国产半导体芯片企业,必易微不仅着眼于国产替代解决供应紧缺的问题,同时力争用技术创新实现国产产品的性能升级。
今天将向大家介绍一款微波炉里典型美商电源方案的替代案例。2020 年全国微波炉的总产量约9000万台,2021年预计将增长5%以上,而据不完全统计,其中接近80%使用了美商一款型号为XXX364的ACDC电源芯片。
XXX364之所以使用如此广泛,通过对比传统方案可以看到其优势在于设计简单:
传统方案
图 1
XXX364的优势
●无需辅助绕组供电,支持变压器采用双绕组设计。
●无需启动电阻,集成高压启动。
●无需采样电阻,集成原边电流采样。
●无需副边TL431控制,支持副边稳压管恒压输出。
XXX364的不足
由于XXX364采用ON/OFF控制带来了频率控制不稳定,导致XXX364工作时始终存在可闻噪声,终端厂家需要采用变压器点胶、含浸等手段,以缓解整机系统噪音,但是重载伴随的噪音仍旧无法有效消除。
图 2 XXX364
本期隆重向大家介绍必易微家电电源管理芯片新成员——高性能、低成本离线式电流模式PWM控制功率开关KP36572。此产品脚位兼容美商XXX364,其外围线路简洁程度与竞品完全相同,除此之外有了更多的亮点。
图 3 KP36572典型应用原理图
图 4 DEMO 实物图
亮点1 : 消除可闻噪音
KP36572采用了根据FB电压线性调节的降频技术,相比于ON/OFF控制,此技术可以平滑的调节开关频率而无异音产生。从实测样机的数据表明,线性降频控制较ON-OFF控制可以降低近5-10分贝噪音 (分贝仪紧贴样机测得)。
图 5
图 6(a)KP36572 工作频率稳定;(b) XXX364 工作频率不稳定
图 7 工作噪声
图 8 通过分贝仪紧贴样机测试,KP36572 表现更优
亮点2:低温升,高效率
KP36572的内置700V MOSFET导通阻抗较XXX364低近17%,导通损耗更低,效率更高,工作中芯片的温升更低,整机工作可靠性更高。
表 1 参数规格
图 9 KP36572 满载效率较XXX364高 1~2%
图 10 KP36572满载温升较XXX364低10℃以上
亮点3 :EMC表现优
通过特有的EMI调节技术,KP36572可以实现传导AV平均量的有效分散,从而显著提升传导AV裕量,降低EMC设计成本。
图 11 KP36572传导EMI能量分布更均匀
亮点4:HBM ESD良好
KP36572 ESD HBM已达到4.5kV,处于国内领先水平,良好的ESD性能可以保证系统高可靠性的持续工作。
表 2
此外,KP36572在输出电压调整率、输出电压纹波、动态响应等性能指标上与XXX364一致。
KP36572作为必易微家电产品线新成员,以快速解决家电企业本地化供应,保证品质和可靠性为首任,同时大幅提升了电源模块的整体性能表现 (噪声、EMC、温升和 ESD等),实现了对XXX364的兼容。
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本文由三年不鸣转载自必易微,原文标题为:品牌故事 | 必易微高性能家电电源管理芯片新成员——KP36572,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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产品型号
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品类
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封装
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拓扑电路
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最大功率(W)
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工作模式
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最高频率(kHz)
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输出特性
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启动方式
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能效标准
|
待机功耗(mW)
|
VDDmax(V)
|
KP212
|
PSR 控制器
|
SOT23-6
|
Buck/Flyback
|
65
|
DCM
|
70
|
CC&CV
|
电阻启动
|
六级
|
<75
|
30
|
选型表 - 必易微 立即选型
必易微(KIWI)IOT领域电源管理芯片产品介绍
型号- KP2190,KP311AWPA,KP20H,KP3281DP,KP2191,KP4110-1-2,KP2192,KP212,KP86888,KP3116WPA,KP2501,KP86884,KP206A,KP216,KP3210BSGA,KP206B,KP214,KP3224DP,KP3205SGA,KP3310,KP3126SG,KP23111,KP2182,KP23110,KP101,KP201E-H,KP15026VPA,KP86888S,KP3110-2-4-6,KP201A-H,KP3116SGA,KP22306,KP322XDP,KP216X,KP15012SPA,KP23132M,KM8684NQ,KP3221DP,KP3282DP,KP15026,KP3310DPA,KP3210-1-2B,KP3211BDP,KP2201-B,KP2326,KM868X,KP1513,KP3114WPA,KP146X,KP2164,KP206A-B,KP2162,KP2202,KP3120SPA,KP2161,KP201,KP18026,KP15026WPA,KP3112LGA,KP214X,KP2182X,KP206,KP3114SGA,KM8688NQ,KP4055,KM8684NS,KP3126,KP226X,KP2061-4,KP23266,KP15014SPA,KP23264,KP4051,KP201-E-F,KP1511X,KP3210SGA,KP322X,KP201X,KP321ABSGA,KP3110,KP3222DP,KP1452,KP3221SG,KP4124X,KP2313X,KP201H,KP23133M,KP201F,KP18051ESPA,KP41242,KP3211BSGA,KP41240,KP41241,KP23152,KP15012-4,KP3210BDP,KP23151,KP201A,KP23150,KP1512X,KP201E,KP201B,KP201C,KP212X,KP36673-4,KP35015,KP3221SGA,KP2010,KP2131,KP3310SPA,KP3112SGA,KP2011,KP2132,KP2130,KP2012,KP2013,KP3284DP,KP3126SGA,KP18061ESPA,KP1315X,KP3110SPA,KP2126,KP4050-A,KP18055ESPA,KP2801,KP142X,KP1030,KP2120,KP2124,KP328X,KP2122,KP311ALGA,KP23133,KP18069,KP23132,KP3212BDP,KP226XH,KP41240-1-2,KP141X,KP401,KP2591,KP21821-2-4,KP206X
虹茂半导体特色产品介绍
型号- HM8805-ADJ,HM4115A,HM5054B,HM54XXBM5,HM5430D4,HM8100,HM8101,DW01A,HM5415系列,HM8008DR,HM5068,HM6240D,HM4056HE,HM6316,HM5501,LMV358,HM9708A,HM78XX,HM4056HA,HM2512,HM4051AD2,HM2101K,HM4057H,HM6240E,LM2596HV,HM1509E,HM3430D8,HM8006RD,HM6033,HM6032,HM118DR,HM5056RD,HM3430,HM5501DR,HM5056RD8,HM8008MR,HM3157,HM2101,HM61NXX2,HM5056RE,HM56XXB,HM2741,HM2740,HM116A,HM2459F,HM73XXN,HM5055DR,HM6220,HM3140E,HM5501MR,HM8005DR,HM4310,HM4313,HM4057D6,HM2259,HM4057D8,HM4051A,HM6240D8,HM8008D8,HM7660,LMV393,HM56XXBM5,HM3141E,HM1509HV,HM9715,HM1156,HM54XXB,HM5056HA,HM8005MR,HM4051ADR,HM6208,HM4057DR,HM73XXHB,HM75XXH,HM78XXM5,HM1509,HM5415ARA,LMV321,HM5430D,HM8541,HM5056DR,HM6240,HM8261,HM4056,HM6235,HM4057,HM6234,HM4054,HM3430A,HM3122,HM3121,HM5415ABA,HM3005,HM75XXHB,HM5052MR,AMS1117B,HM117D,LMV331,HM5056ES,HM6230,HM3430D,HM3430E,HM4054K,HM5460 ANZ,HM3232,HM5511B,LMV324,HM8006MR,HM2940,HM5415,HM4070D8,HM4056A,L9110E,L9110,HM8563,HM1084,HM9921,HM9922,HM462,HM3420B,HM9923,HM465,HM3420,HM53XXB,HM61C,HM2103K,HM4055H,HM4070DR,HM4070,HM8006D8,HM118,HM116,HM3420D,HM5415ASA,HM5208FM,HM117DR,HM5431,HM9910,HM6245,HM5155,HM5430,HM5831,HM3410,HM5436,DW03,HM232,HM5056D8,HM1236,HM3139,HM1235,HM3430D10,HM4056G
创瑞科技(AiT),致力于设计和行销高性能的类比与混合信号IC,为全球消费类电子产品市场提供音频放大及电源管理等解决方案,结合控股集团高品质的电感、晶振及保险丝提供技术整合支援,缩短产品设计周期。
合科泰:分立器件专业厂商,为客户提供高品质产品
合科泰公司成立于1992年,是专业从事半导体电子元器件研发、生产及销售一体化的高科技创新企业。产品线包括半导体原材料中的铜框架、被动元件电阻电容、二极管、桥堆、三极管、MOSFET、电源管理IC及其他集成电路等,提供一站式应用解决方案及现场技术支持服务。
推进新能源/工业布局进程,台湾友顺(UTC)授权世强硬创代理
老牌企业友顺(UTC)旗下电源管理芯片、运算放大器、比较器、低压MOS管、高压MOS管、超结MOS、IGBT、肖特基、线性稳压器、PWM 控制器、肖特基功率整流器、晶闸管、低压降压转换器等全线产品授权世强硬创一级代理。
电子商城
现货市场
服务
提供语音芯片、MP3芯片、录音芯片、音频蓝牙芯片等IC定制,语音时长:40秒~3小时(外挂flash),可以外挂TF卡或U盘扩容。
最小起订量: 1pcs 提交需求>
可定制高压电源模块的输入电压100VDC-2000VDC、功率范围5W-500W/4W-60W; 高压输出电源模块的输出电压100VDC-2000VDC。功率范围:4W-60W。
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