【产品】采用低开关速率设计的40V系列DC-DC降压转换器，外围精简，转换效率可达94.5％

时间： 2022-05-05 来源：必易微

代理服务

技术支持

采购服务

DC-DC降压转换器,同步降压直流/直流转换器,KP521405,KP521403

随着消费者生活品质的提升，联网远程操控让带着“科技感”光环的智能家电产品成为新一代“网红”。与此同时，在“碳达峰”、“碳中和”理念引领下，伴随着物联网科技的升级，对智能家居家电产品的能效提出了更高的要求。传统低压差线性稳压器（LDO）供电方案逐渐满足不了市场需求。高效率、高可靠性、低EMI的简单易用型开关电源转换器（Buck）逐渐走进智能家居家电市场。

得益于比LDO更高的转换效率和负载能力，DC-DC降压转换器广泛应用于冰箱，洗衣机和空调等大家电产品中。必易微深耕于电源管理芯片，愿与广大工程师一起助力科技升级。必易微最新推出超精简40V系列降压转换器用于智能家居家电等领域。该系列是简单易用的同步降压直流/直流转换器，具有6V至40V的宽输入范围，能够驱动高达1A/1.8A的负载电流。

产品特点：

产品封装：

亮点1–超精简外围：

通过集成P型高侧MOSFET和N型低侧MOSFET，省掉了外部自举电容和肖特基二极管。在内部实现了软启动和补偿电路减少了外围元器件的数量，固定5V或3.3V的输出方式可进一步减少外围元器件数量，从而轻松实现单层PCB布局。

亮点2–高转换效率：

在采用DCR为230mΩ的电感下，整机仍然有优异的效率表现。常温下测试，12V输入转5V输出，最高效率达到94.5%，满载输出时产品壳温仅48.1℃。

亮点3-输入过压保护：

当输入电压瞬时超过安全阈值时将触发输入过压保护，使得产品抗电压尖峰能力更强，可靠性更高。

亮点4-优秀的EMI特性：

低开关速率设计让EMI更轻松。Demo板辐射通过EN55032 Class B标准且裕量充足。

总结：

必易微最新40V系列产品输入电压宽、外围精简，EMI性能好，可单面板布线；支持电流大，转换效率高，稳定性强，低开关速率设计尤其适用于有EMI要求的应用场合。

系列产品选型表：

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本文由天星转载自必易微，原文标题为:必易微最新推出 | 超精简 40V 系列降压转换器用于智能家居家电等领域，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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必易微（KIWI）LED驱动IC选型指南

目录- 非隔离和隔离产品智能调光、可控硅调光产品非隔离恒压和隔离恒压产品 DC-DC和电机产品线性、去纹波产品 LED照明方案介绍

型号- KP18032,KP1271FNQ,KP13262,KP1078CL,KP13264,KP10790,KP10791,KP10792,KP1078CH,KP1313X,KP16014A,KP1325X,KP523302,KP2591A,KP1326A,KP1079A,KP523308,KP2182,KP1078DH,KP21822M,KP1402,KP85302,KP107W,KP119X,KP1076C,KP107L,KP1071CL,KP23132M,KP107Q,KP10780L,KP1078AH,KP1511,KP421X,KP523201A,KP35026,KP1078AL,KP1074,KP1073,KP1194,KP2816X,KP10781H,KP1076,KP1077A,KP2806A,KP512302,KP1601XA,KP1191,KP10781L,KP1072,KP13251,KP1193,KP1192,KP201,KP1078BL,KP13252,KP13255,KP13134,KP10780,KP13254,KP18026,KP10781,KP1078BH,KP13135,KP512308,KP30262,KP30264,KP28134A,KP30261,KP1184,KP22315A,KP23265C,KP1078A,KP1078B,KP4214,KP21824M,KP4213,KP21824L,KP23267,KP21825C,KP1074L,KP10750,KP1810X,KP10751,KP10752,KP1074Q,KP1075A,KP1075B,KP1075C,KP522201A,KP22066,KP22064,KP18001,KP3501A,KP22062,KP10760,KP10761,KP10762,KP1075Q,KP1326,KP28163,KP1325,KP28162,KP523208A,KP1075X,KP1274FQH,KP1274FQC,KP1273FC,KP1076A,KP12682F,KP1076B,KP107BQ,KP1274FC,KP22035,KP2801A,KP2813A,KP1274FH,KP18330,KP1505X,KP1274FN,KP12353,KP1274FQ,KP1072L,KP12354,KP1313,KP119,KP1072Q,KP1315,KP116,KP35101,KP118,KP22306A,KP107CQ,KP23132,KP23131,KP23130,KP123,KP18106,KP122,KP1073L,KP18108,KP1073Q,KP23223,KP23223M,KP1271FN,KP14633,KP14634,KP14631,KP1070L,KP14632,KP2201B,KP18002F,KP1070Q,KP1601A,KP1462X,KP12760F,KP521405,KP1273FQC,KP521403,KP107AL,KP3310,KP22308A,KP1255,KP522302E,KP15051,KP107AQ,KP14622H,KP15052,KP18320,KP1071L,KP1505A,KP1463X,KP123X,KP1071Q,KP81103,KP28123,KP28122,KP18001M,KP1271FC,KP1272FH,KP522208A,KP127XFQH,KP12551,KP1272FN,KP12554,KP127XFQC,KP2205,KP2206,KP2203,KP2322,KP2201,KP2202,KP1234,KP28162X,KP14622,KP14623,KP14501,KP1272FQH,KP1469,KP1255X,KP1272FQC,KP1272FC,KP1463,KP1221,KP1462,KP1220,KP52140X,KP1222,KP1806X,KP1182,KP1462XH,KP1511X,KP2822,KP12684FM,KP1059A,KP3111,KP1272FNQ,KP421,KP127XFQ,KP1162,KP1164,KP10780H,KP18053,KP1274F,KP18058,KP18055,KP2806,KP18059,KP127F,KP18001B,KP18001A,KP1271FQC,KP35064,KP35062,KP18061,KP18062,KP18069,KP1805X,KP18068,KP522308E,KP14624H,KP15113,KP15114,KP15111,KP3506X,KP1402A,KP12761F,KP2591,KP127FQ

2023/6/1 - 必易微 - 选型指南 - REV 1.1 代理服务技术支持采购服务

必易微（KIWI）家用电器电源选型指南

目录- 公司介绍家用电器电源产品选型表家用电器电源产品方案和应用介绍

型号- KP3282,KP21825C,KP3281,KP52X218,KP311A,KP2264H,KP311B,KP522211,KP3116,KP525208,KP525201,KP86202,KP86201,KP36374,KP36572,KP82201,KP36373,KP8110X,KP521405,KP522218,KP521403,KP3114,KP3112,KP3311,KP3210B,KP521403A,KP522201,KP526208,KP523211,KP81103,KP81102,KP85302,KP81101,KP85301,KP3221,KP522208,KP522405,KP3224,KP523218,KP3222,KP85309,KP2161M,KP3211B,KP2262H,KP526201,KP2126,KP321AB,KP36675,KP36674,KP36673,KP85211,KP523201,KP52X201,KP523208,KP3212B,KP52X208,KP2161,KP521405A,KP3206,KP3205,KP524201,KP85321,KP52X211,KP3284,KP524208,KP21824M

2022/8/25 - 必易微 - 选型指南 - REV1.21 代理服务技术支持采购服务

KP523302, KP523308 高效率 30V 3A 500kHz同步降压转换器

描述- KP52330X是一款宽输入电压范围、高效率的同步降压直流/直流转换器，适用于12V和24V电源轨。它具有3A的输出电流能力，支持两种轻载工作模式，集成多种保护功能，适用于多种电子设备。

型号- KP523302,KP523308

2023/8/4 - 必易微 - 数据手册 - REV1.0 代理服务技术支持采购服务查看更多版本

必易微（KIWI）DC-DC选型表

目录- DC-DC

型号- KP522218D,KP522218B,KP522218A,KP524308E,KP526208C,KP526208B,KP526208A,KP523302,KP525208B,KP525208A,KP525208C,KP521405,KP521403,KP522201D,KP523308,KP522201C,KP522302E,KP522201B,KP522201A,KP524208A,KP521403A,KP523211B,KP523211A,KP523211D,KP522403,KP523208B,KP523208A,KP523208D,KP524302,KP523208C,KP524211A,KP522405,KP524308,KP522208D,KP522208C,KP522208B,KP525201A,KP522208A,KP525201C,KP525201B,KP523201A,KP526201C,KP526201B,KP526201A,KP522312,KP522318,KP522211D,KP522211B,KP522211A,KP524218A,KP522308E,KP521405A,KP523201C,KP523201B,KP523201D,KP523218D,KP523218A,KP522303,KP522302,KP523312,KP523218B,KP522308,KP524302E,KP524201A,KP522305,KP523318

2023/5/19 - 必易微 - 选型指南代理服务技术支持采购服务

必易微（KIWI）DCDC选型表

必易微提供以下技术参数DC-DC产品的选型，输入电压4.5~40V，输出电压0.6~17V，工作频率达1200(KHZ),输出电流1~6A，超快动态响应,高转换效率，输入过压保护。

产品型号	品类	输入电压(V)	输出电压(V)	工作频率(KHZ)	输出电流(A)	参考电压(V)	控制模式	工作模式	Features
KP522201ALGA	DCDC芯片	4.5~17	0.768~7	600K	2	0.768+/-1.5%	COT	PFM	超快动态响应

选型表 - 必易微立即选型

KP522302Ε, ΚP522308Ε 高效率 30V 2A 500kHz 同步降压转换器

描述- 本资料介绍了KP52230XE系列同步降压直流/直流转换器，其特点是宽输入电压范围、高效率、小型化设计以及多种保护功能。该产品适用于各种电子设备中的电源管理。

型号- ΚP522308Ε,KP52230XE,KP522302Ε

2023/8/1 - 必易微 - 数据手册 - REV1.01 代理服务技术支持采购服务

家用电器电源整体解决方案

描述- 深圳市必易微电子股份有限公司，专注于高性能模拟及数模混合集成电路的研发和销售，拥有多项专利，产品涵盖AC-DC、DC-DC、驱动IC、线性稳压、保护芯片、电池管理等，为消费电子、工业、通讯、计算机等领域提供电源解决方案。公司拥有多个研发中心，并与多家知名客户建立合作关系，获得多项荣誉资质。

型号- KP3282,KP21825C,KP3281,KP52X218,KP311A,KP2264H,KP311B,KP522211,KP3116,KP525208,KP525201,KP86202,KP86201,KP36572,KP36374,KP82201,KP36373,KP521405,KP522218,KP521403,KP3114,KP3112,KP3311,KP3210B,KP521403A,KP522201,KP526208,KP523211,KP81103,KP81102,KP85302,KP81101,KP85301,KP3221,KP522208,KP522405,KP3224,KP523218,KP3222,KP85309,KP2161M,KP3211B,KP2262H,KP526201,KP2126,KP321AB,KP36675,KP36674,KP36673,KP85211,KP523201,KP52X201,KP523208,KP3212B,KP52X208,KP2161,KP521405A,KP3206,KP3205,KP524201,KP85321,KP52X211,KP3284,KP524208,KP21824M

2023/6/12 - 必易微 - 应用及方案 - REV1.0 代理服务技术支持采购服务