【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%
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)DCDC选型表
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产品型号
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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
|
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KP522302E, KP522308E 高效率 30V 2A 500kHz 同步降压转换器
型号- KP522308ELGA,KP522302ELGA,KP522308E,KP52230XE,KP522302E
家用电器电源整体解决方案
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
BD9ExxxFP4-Z、BD9E304FP4-LBZ、BD9A201FP4-LBZ 采用小型SOT23封装的节能降压型DC-DC转换器IC
型号- BD9E105FP4-Z,BD9E304FP4-LBZ,BD9A201FP4-LBZ,BD9EXXXFP4-Z
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可定制变压器电压最高4.5KV,高频30MHz;支持平面变压器、平板变压器、OBC变压器、DCDC变压器、PLC信号变压器、3D电源、电流变压器、反激变压器、直流直流变压器、车载充电器变压器、门极驱动变压器等产品定制。
最小起订量: 100000 提交需求>
提供全面表征产品器件耗电特征及功耗波形、快速瞬态效应、电源优化、表征和仿真测试服务,使用直流电源分析仪测量精度达50µV,8nA,波形发生器带宽100kHz,输出功率300W,示波器200kHz,512 kpts
实验室地址: 深圳/苏州 提交需求>
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