博客

RECOM团队的博客文章可以让您深入了解电源转换领域。文章的主题范围极广,从快速指南要点、案例研究,到RECOM首席执行官Karsten Bier所传递的想法,包括他对新冠疫情的看法以及RECOM如何努力来帮助医疗设备制造商。文章内容丰富且易于阅读。定期查看最新发布的评论、新闻和技术见解。如需更多的技术信息,请参阅我们的白皮书、技术报告、常见问题以及Steve Roberts所著的《AC/DC转换器知识手册》和《DC/DC转换器知识手册》。
Rather be cool than dead Blog Post Image

Rather be cool than dead

2023-1-13
Temperature is the number one enemy for the life of power supplies. As a rule of thumb, every 10°C increase in temperature decreases the lifetime of a power supply by half....
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Power Factor Correction Blog Post Image

Power Factor Correction

2022-12-16
Sometimes, we employ less number of engineering cycles and resources into designing, not because we intend to or to obtain a sustainable product, rather because it is an...
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High-Isolation DC/DC Converters Meet Green Requirements Blog Post Image

High-Isolation DC/DC Converters Meet Green Requirements

2022-12-2
The green energy revolution is well underway, driven by the challenges of climate change and the drive towards sustainable development. And RECOM’s high-isolation DC/DC...
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Powering Sensors in Trains Blog Post Image

Powering Sensors in Trains

2022-11-25
Many people think of a train as simply a bus on rails! After all, passenger trains have been around since 1825 and the basic concept of a locomotive pulling carriages has not...
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Power Modules are Catching up with Moore’s Law Blog Post Image

Power Modules are Catching up with Moore’s Law

2022-11-11
Over several decades, processors and complex ICs have followed Moore’s Law for increasing transistor count. However, the associated voltage regulators have not reduced in the...
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What is energy storage? Blog Post Image

What is energy storage?

2022-11-4
Energy storage is “…the capture of energy produced at one time for use at a later time to reduce imbalances between energy demand and energy production.” [1] This can apply...
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Forget 400V – 800V is on the Way Blog Post Image

Forget 400V – 800V is on the Way

2022-10-31
The year 1996 was a significant one in electric vehicle history. That was the year the General Motors EV1 hit the market. The EV1 was the first mass-produced and...
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Safety & Compliance for Medical Power Supplies Blog Post Image

Safety & Compliance for Medical Power Supplies

2022-10-28
To ensure the safety of patients and medical professionals, medical electrical equipment is strictly regulated by standards and requirements for product testing. As a primary...
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Power Supply Design for maximum Performance Blog Post Image

Power Supply Design for maximum Performance

2022-10-21
Every engineer sets out to design for maximum performance of their system, power supply, or any other product they are working on. But what does designing for performance...
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Electric vehicle chargers switch to bidirectional designs Blog Post Image

Electric vehicle chargers switch to bidirectional designs

2022-10-7
As part of a global effort to reduce carbon footprint, automotive manufacturers are replacing gasoline with cleaner fuel-less alternatives. As a result, the electric vehicle...
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A light rail train moving down a city track.

Light Rail Power Supplies from A to Z

2022-9-30
Light rail transit (LRT) is a form of urban passenger rail transit that combines the features of a tram and rapid transit. While its rolling stock is more similar to a tram...
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DC/DC for GaN Blog Post Image

DC/DC for GaN

2022-9-16
GaN is the chemical symbol for gallium nitride, which is a III-V semiconductor material commonly referred to as a “wide bandgap” (WBG) material because it has a relatively...
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Hybrid locomotives help the railway industry meet environmental goals

Railway Battery Chargers Help Locomotives Help the Environment

2022-9-9
The replacement of the internal combustion engine (ICE) by the electric motor is touted as key in reducing pollution from automobiles, but the trend isn’t confined to the...
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Energy Efficient Converters Eliminate Heat Sinks Blog Post Image

Energy Efficient Converters Eliminate Heat Sinks

2022-9-2
From driving LEDs to powering laptops and smart consumer devices, high efficiency power supplies are a must to minimize power losses and optimize performance.
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Power Supplies for Railway Data Communications Blog Post Image

Power Supplies for Railway Data Communications

2022-8-26
Data is at the heart of modern railway infrastructure. Both freight and passenger trains require robust communications to transfer location data between rolling stock...
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What is Energy Harvesting (EH)? Blog Post Image

What is Energy Harvesting (EH)?

2022-8-19
Even after a legacy of supporting technologies, energy harvesting (the ability to scavenge energy from any source that physics affords us) has only graduated from emerging to...
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Plug & Play Designs benefit railway applications Blog Post Image

Plug & Play Designs benefit railway applications

2022-8-12
Plug & Play designs save time and costs for system designers and are common in many application areas. But until now, these designs have been absent from the demanding...
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What is the Internet of Things? A Power Perspective Blog Post Image

What is the Internet of Things? A Power Perspective

2022-7-29
The Internet of Things (IoT) is a buzzword associated with everything nowadays—from condition-monitoring systems for preventive maintenance to smart, self-powered labels for...
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Rugged High-Power Converters Meet Stringent Railway Standards Blog Post Image

Rugged High-Power Converters Meet Stringent Railway Standards

2022-7-15
For over two centuries, railways and the rolling stock that make train travel possible have evolved from mechanical steam-powered locomotives to today’s high-tech trains,...
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Off-the-shelf Power Supplies Simplify System Design Blog Post Image

Off-the-shelf Power Supplies Simplify System Design

2022-7-1
When approaching a project, system designers must take into consideration time to market, overall bill of materials (BOM) cost, and in-house capabilities to design and...
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DC/DC converters in automotive applications Blog Post Image

DC/DC converters in automotive applications

2022-6-13
DC/DC converters are now common in automotive applications at a range of power levels. Parts must comply with AEC-Q standards for quality and stress tests and automotive...
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EV Charger Auxiliary Supply Considerations Blog Post Image

EV Charger Auxiliary Supply Considerations

2022-6-3
EV chargers are becoming ubiquitous so much so that now legislation requires new domestic and industrial buildings to include charging points. While the main power conversion...
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Storage Temperature Considerations for Electronic Components and Modules Blog Post Image

Storage Temperature Considerations for Electronic Components and Modules

2022-5-20
There are numerous informative articles on the operational temperature range of electronic components and sub-assemblies, but relatively few on storage temperatures. The...
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Efficient Power Supplies Cut CO2 Emissions Blog Post Image

Efficient Power Supplies Cut CO2 Emissions

2022-5-6
Worldwide electricity use is responsible for a quarter of all carbon dioxide (CO2) emissions. However, by taking simple steps companies and consumers can cut down the usage...
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Powering Medical Homecare Equipment Blog Post Image

Powering Medical Homecare Equipment

2022-4-22
Homecare medical devices have to potentially withstand more challenging and uncontrolled conditions than those used in the clinical environment. This article looks at the...
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Using Advanced Technologies to Accelerate E-Mobility Blog Post Image

Using Advanced Technologies to Accelerate E-Mobility

2022-4-8
Despite the attractive incentives offered by governments around the world and the advantages of driving electric vehicles (EVs), the growth has been rather sluggish in the...
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Smart Cities Blog Post Image

Smart Cities

2022-3-29
A smart city implements the Internet-of-Things (IoT) technology to interconnect buildings, resources, and data, to create an efficient, adaptive, and more environment-friendl...
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Modified standard, semi-custom and full-custom designs – the RECOM approach Blog Post Image

Modified standard, semi-custom and full-custom designs – the RECOM approach

2022-3-11
RECOM offers over 25,000 standard portfolio DC/DC and AC/DC products, but still at times, a non-standard converter is needed. This article explores the difference between...
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How to Hack your AC/DC Converter - Part 2 Blog Post Image

How to Hack your AC/DC Converter - Part 2

2022-2-11
A ‘hack’ is a clever or an elegant solution that uses something for a purpose for which it was not originally intended. It is usually for fun, but it is also more to offer a...
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How to Hack your DC/DC Converter - Part 1 Blog Post Image

How to Hack your DC/DC Converter - Part 1

2022-1-28
A ‘hack’ is a clever or elegant solution that uses something for a purpose for which it was not originally intended, usually for fun, but also more seriously to offer a...
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Advanced ‘3D Power Packaging’ Enables Miniaturization of DC/DC Converters Blog Post Image

Advanced ‘3D Power Packaging’ Enables Miniaturization of DC/DC Converters

2021-12-17
New developments in ‘3D power packaging’ are enabling further miniaturization of DC/DC converters along with higher power density. Performance is not compromised however,...
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瞬态电压保护 Blog Post Image

瞬态电压保护

2021-11-26
世界各地使用多种基础设施配电方法,这让电力工程师面临许多挑战,因为他们设计的产品仰赖高压电源。但是无论哪种配电方法,光是电源的特性就会让配电系统存在瞬态高压。瞬态电压可能由存储能量的放电引起,原因有切换发电机、电弧或雷击等多种。
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为什么电源要有数据总线? Blog Post Image

为什么电源要有数据总线?

2021-11-12
电源制造商最近开始提供控制和监控电源的接口,本文将重点讨论原因以及电路设计师的前景。
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状态检测传感器供电 Blog Post Image

状态检测传感器供电

2021-11-5
有效地维护复杂的工业过程对保持生产力和降低成本至关重要。状态检测 (CBM) 是定期维护计划的替代方案,使用工业物联网中传感器的数据,在故障发生之前监测性能上的恶化趋势。本文将探讨这个主题,并为传感器节点推荐合适的电源模块。
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GaNonCMOS – Next steps in POL integration Blog Post Image

GaNonCMOS – Next steps in POL integration

2021-10-29
更小、更高效的电源转换器是过去几十年来的发展方向,而这个趋势也将持续下去。这是通过使用新拓扑、新型材料和新集成工艺来达到的。欧盟2020 项目的重点是集成新型材料,所以也资助了 GaNonCMOS 项目。该项目的目标是将 GaN 和 Si 在不同层级上进行高密度集成(PCB、堆栈和芯片),开发适用于高开关频率和 PCB...
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标题:RECOM 能量收集模块的起步 Blog Post Image

标题:RECOM 能量收集模块的起步

2021-10-15
要设计出成功的能量收集系统的挑战之一是如何开始。在初期通常要面临太多的未知数,让人不知所措。要使用哪种能源,光伏、热电发电机、电场、流动还是振动?我的存储元件应该多大?我应该使用超级电容器还是充电电池?在能源安全方面我是否需要备用电池、是否能够在白天收集足够的能量以维持整晚?而这些只是外部考虑,其他还有收集器电子器件的优化、选择和供应链管理,例如...
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DC/DC 电源使用外部滤波器的时机 Blog Post Image

DC/DC 电源使用外部滤波器的时机

2021-10-1
在充满电子产品的现代社会很容易将 DC/DC 电源视为理所当然,因为它们无处不在而且一直使用着。然而电源在设计中的集成程度对应用的整体性能和功能都至关重要。本文将讨论 DC/DC 电源滤波器的重要性、要如何使用以及何时使用它们。
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峰值功率与平均功率 — 如何选择合适的转换器 Blog Post Image

峰值功率与平均功率 — 如何选择合适的转换器

2021-9-24
许多工程师倾向选择「余量」充足的电源,例如一个应用消耗 5W 的功率,那么会选择 10W 的电源以应付最坏的情况。这背后的理由是除了需要一定的安全系数才能获得高可靠性,也要确保以后在应用电路中添加功能时还有足够的电源容量来应对额外的负载。这些都是难以反驳的有力论点,但它并非总是电源应用最有效的方法。
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RACM1200-V

RACM1200-V | 行业领先高功率密度医疗电源

2021-9-17
很少有行业像医疗行业一样,将设备电源系统的可靠性和免维护功能作为设计关键。医疗电子产品通常被认为是最注重安全和可靠性的电子产品,由全球高端设计和生产标准所推动。
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RPX-4.0

DC/DC转换器要求

2021-9-10
亚历山德罗·朱塞佩·安东尼奥·阿纳斯塔西奥·伏特和安德烈-马里·安培绝对不会想到今天我们高度技术化的世界是无法在没有电压和电力的情况下正常运转的。
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驱动 5G 基础设施 Blog Post Image

驱动 5G 基础设施

2021-8-20
5G 基站的数量以及能源消耗呈指数级增长,因此高效供电变得非常重要。本文将讨论这个主题,并且针对电源模块如何为基站提供高功率密度和可靠的性能提出了一些解决方案。
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UV LEDs for disinfection

紫外线LED消毒设备中的电源

2021-7-16
紫外线 (UV) 辐射照射是一种有效的非接触式消毒方法,可杀死大多数在表面、水中和空气中的微生物、细菌和病毒,包括Covid-19新冠病毒。短波长、高能量的光子破坏微生物细胞的 RNA和DNA,也会产生自由基来破坏病毒的基因组,引入缺陷以快速杀死病原体。正是这种破坏和氧化作用使UV消毒如此实用且有效,在许多情况下比任何其他化学或高温消毒方式更合适。
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降压转换器 - 从分立电路到完全集成的模块 Blog Post Image

降压转换器 - 从分立电路到完全集成的模块

2021-7-2
降压转换器已存在了一个世纪,是当今电子电路中不可或缺的一部分。本文将讲述一个原始分立式器件如何演变成可以处理数百瓦功率的微型高集成器件。
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RACM1200-V

内置电源 – 终于有解决方案了

2021-6-18
每个开发人员都期待着自己的样机最终可以正常工作的那一刻,所有的关键功能都实现了,软件也能正常运作(诊断功能除外)。在下一次的会议上,他自豪地宣布现阶段所需要的只是EMC认证和一个合适的电源。但由于资源有限,自己设计电源并不是一个好的选择因为可能会错过关键的最终期限。因此团队同意购买第三方产品,开发人员开始寻找电源。虽然市场上不乏此类产品,但是要选...
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RECOM footprint and 3D Model by SnapEDA or SamacSys

Benefits of Digital Product Libraries

2021-6-4
The electronics industry is one of the fastest growing industries of the last half-century, and the amount of information generated by this industry can be mind-numbing. If...
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RECOM - Overvoltage categories in power supply systems

电源系统的过电压类别

2021-5-21
市电供电电气设备的工作环境根据浪涌保护等级分为四个过电压类别(OVC)。本文将介绍这四个类别的不同之处,以及在某些情况下如何在OVC III使用原本额定为OVC II的AC/DC电源。
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高功率密度内置电源 Blog Post Image

高功率密度内置电源

2021-5-7
知名AC/DC和DC/DC转换器制造商RECOM推出1.2kW AC/DC电源RACM1200-V。该转换器是由RECOM 在奥地利开发并在欧洲生产制造的,已获得所有医疗应用的相关认证。随着运输路线和供应链的日益缩短,RECOM正在为可持续性做出其贡献。
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比半块巧克力还小的3kW转换器 Blog Post Image

比半块巧克力还小的3kW转换器

2021-4-23
RECOM的RBBA3000是半砖封装的3kW升降压型转换器。该升降压技术提供9V至60V的输入电压,电流高达50A。它是车载网络的理想解决方案,例如,除了12V电路以外还有板载二次供电电路。RBBA3000也适合电池供电的设备或UPS(不间断电源)。发生电源故障时它可以使用48V电池来为设备供电,以帮助它完成当前任务然后返回到安全的位置。
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EV charging stations

电动汽车充电桩的内部转换器

2021-4-9
许多电动汽车 (EV) 充电站是露天的,在这些地方,过流瞬变等不利条件有可能会产生问题,而充电桩也需要满足严格的安全标准
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现代电子产品热阻介绍 Blog Post Image

现代电子产品热阻介绍

2021-3-19
随着设备变得更强大、尺寸更小巧紧凑,不同行业的工程师一直在电子产品的热管理上努力不懈。虽然有许多创意的解决方案可以藉由风扇、液体冷却器、导热管等高温导热器件将热能带走,但器件本身也有许多进展,从根本上优化热性能。为了帮助您更好地了解如何优化您的器件和热管理系统,本文概述电子产品中热性能的主要器件,并指出一些关键参数让您可以在器件上进行操作以优化散...
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R05CT05S Series

医疗应用的3D电源封装DC/DC转换器

2021-3-12
具有医疗级隔离的DC/DC转换器可与AC/DC电源或电池供电设备结合使用,不仅降低医疗应用中的终端产品成本,还能满足最高等级的安全标准。
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USB充电器

使用RECOM DC/DC转换器作为USB充电器

2021-3-5
现有的USB标准允许最大充电电流为500mA(USB 1.0、2.0)或900mA(USB 3.0),快速充电的电流限制为1.5A。为了确保充电设备可以安全传输电能,可以在数据传输线D+和D-施加固定电压或在这两个数据线连接之间安装一个电阻,告知便携式设备已将其连接到专用充电端口(DCP)。
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3D Power Packaging

RECOM隆重推出3D Power Packaging®(3DPP)

2021-2-26
无论产品设计人员设计的是什么,电源转换通常都是困难的一环。在尖端的物联网设备或手持式医疗设备中使用标准转换器模块可能会受到空间的限制,而分立式设计可能既昂贵又不合时宜。为了协助设计人员更快地将产品设计上市,RECOM推出了创新的3DPP技术,提供既节省空间又具高性能的一站式电源转换。
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X电容及Y电容 Blog Post Image

X电容及Y电容

2021-1-29
现代电路和电子应用中的电容是平滑和滤波电源线及旁路信号不可或缺的无源器件。在AC/DC EMC滤波的应用中,用来过滤交流电源噪声的两种特殊的X和Y电容通常统称为 “安规电容” 。
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RECOM与Power Control Systems Srl:完美的结合 Blog Post Image

RECOM与Power Control Systems Srl:完美的结合

2020-12-4
2019年4月,世界领先的电源转换器公司RECOM收购了Power Control Systems Srl(PCS),为RECOM带来了定制化高可靠性电源的专业技术。
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物联网电磁兼容之基本指南 Blog Post Image

物联网电磁兼容之基本指南

2020-11-13
随着物联网(IoT)在全世界持续增长,越来越多的支持射频(RF)和互联的设备陆续进入到我们周围的行业。虽然这些设备让我们的世界变得更加高效、数字化以及优化,但是利用电磁通信的无线设备在持续增长的情况下,EMI/EMC工程师面临了极大的设计挑战。
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继「60950」之后的安全标准展望 Blog Post Image

继「60950」之后的安全标准展望

2020-11-2
无论是IT电源系统的设计者还是IT设备的用户,许多工程师实际上都是以60950安全标准的基础上成长的。该标准最早可追溯到1986年,即IEC 950,标题为《信息技术设备的安全(含商业电子设备)》。IEC 950于1988年成为CENELEC标准EN 60950,并在1989年被UL使用成为UL 1950标准,以取代UL...
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升压型、降压型和升降压型转换器简介 Blog Post Image

升压型、降压型和升降压型转换器简介

2020-10-30
多年以来,开关电源转换已成为现代电子技术的支柱,横跨包括公共事业、工业、商业以及消费市场的多个领域。在低功率DC/DC转换应用中,大多数现代功率转换都是通过三种不同类型的功率转换器完成的:升压、降压和升降压转换器。本文将研究每种转换器的基本原理并探讨实际应用。
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灌胶 - 基本要点指南 Blog Post Image

灌胶 - 基本要点指南

2020-7-1
RECOM的大多数产品都密封在灌封胶中。这样做的目的是什么呢?
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Inrush Current – A Guide to the Essentials Blog Post Image

Inrush Current – A Guide to the Essentials

2020-6-17
All power supplies draw a higher start-up current than their operating current. This is due to several factors that overlap – the various capacitances in the input circuit...
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The RECOM Three Year Warranty – A Guide to the Essentials Blog Post Image

The RECOM Three Year Warranty – A Guide to the Essentials

2020-6-3
RECOM offers a minimum three-year warranty on all of its products – some series have five years or more – when the industry standard is only one or two years. How does RECOM...
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Power Converter Thermal Impedance – A Guide to the Essentials Blog Post Image

Power Converter Thermal Impedance – A Guide to the Essentials

2020-5-27
All power converters dissipate power internally as heat and so run warmer than their surroundings. As long as this additional warmth can be transferred away to the...
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Isolation: A quick guide to the essentials Blog Post Image

Isolation: A quick guide to the essentials

2020-5-20
Despite many web-resources, manufacturers’ datasheets and books about this subject, questions about isolation and insulation grade remain one of the most commonly asked tech...
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How to make a 10kW bidirectional AC/DC converter Blog Post Image

How to make a 10kW bidirectional AC/DC converter

2020-5-13
Handling 10kW of power in both directions (from AC to DC and back) is a technically challenging, but understanding the topologies and techniques available makes the job a lot...
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Support for medical engineering developers with free samples Blog Post Image

Support for medical engineering developers with free samples

2020-5-6
"Our production capacity has once again reached more than eighty percent" – According to RECOM Group CEO Karsten Bier, the end of the current global lockdown will decide...
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Innovative Baseplate Cooling Design from RECOM Provides a Better Option than Fans in AC/DC Converter Applications Blog Post Image

Innovative Baseplate Cooling Design from RECOM Provides a Better Option than Fans in AC/DC Converter Applications

2020-4-27
The power density of AC/DC converter modules is increasing, but often requires high airflow rates to achieve their stated performance. However, forced cooling using...
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最大化的发挥DC/DC转换器的性能 Blog Post Image

最大化的发挥DC/DC转换器的性能

2020-4-20
升级后的DC/DC电源模块具有更高的功率密度 - 几十年来,小功率的隔离型DC/DC电源模块一直被用来提供低功率辅助电压,有效地将负载需要的电源电压与功率匹配。例如:用在模拟接口的负电位、安全隔离或单纯为电路特别敏感的区域形成独立的地回路。
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案例研究:将ICT和FCT优势结合在单个测试适配器中 Blog Post Image

案例研究:将ICT和FCT优势结合在单个测试适配器中

2020-4-13
在线测试(ICT)是一种分析生产中电子产品的方法。
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开关稳压器的封装体积正变得越来越小 Blog Post Image

开关稳压器的封装体积正变得越来越小

2020-4-6
开关稳压器电路已经存在多年,用户可以选择使用分立式组件来设计自己的产品,也可以购买模块化成品。如今,能够满足最新的效率、EMI和功率密度要求的技术让模块化方案获得更多的青睐。
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Energy Efficiency in AC/DC Power Supplies: Quick Guide to the Essentials Blog Post Image

Energy Efficiency in AC/DC Power Supplies: Quick Guide to the Essentials

2020-4-1
Ten years ago, the European Commission set itself the bold targets of reducing greenhouse gas emissions by 20%, sourcing 20% of its energy from renewables and cutting overall...
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物联网动力的新标准 Blog Post Image

物联网动力的新标准

2020-3-23
有人说“这个世界不大,而且越来越小”—如果你用与世界各地任何人交流的能力来衡量的话,的确如此。未来,借助物联网(IoT),将工业、IT和居家智能化连接起来将是大势所趋,在实现节能、提高生产效率的同时,将更具功能性。
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铁路级电源转换器 Blog Post Image

铁路级电源转换器

2020-3-9
随着人们生活水平的提升,出行机动性的增加,以及在旅游业和资产升级的推动下,全球的铁路网络正朝着可持续发展又兼具环保的方向不断扩大。特别是中国和印度,正在大力投资这一市场,预计到2020年,市场规模将达到1800亿欧元,总里程138万公里[1]。但是,新设备的供应却跟不上需求,因此,还有一项计划是升级现有的基础设施和铁路车辆,以提高运输效率。
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疫情防控期间的重点医疗设备电源 Blog Post Image

疫情防控期间的重点医疗设备电源

2020-3-5
即使医疗设备采用模块化电源的需求越来越多,维护患者和医护人员的安全所必需的认证也是不可轻视的。本文总结了需要谨慎考虑的相关产品规格。
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符合新标准之集成开关稳压器设计 Blog Post Image

符合新标准之集成开关稳压器设计

2019-11-7
分立式开关稳压器通常难以集成到系统中,这是因为性能大都取决于外部器件、未知的EMC干扰以及受限的额定温度,因此通常需要外部散热。RECOM的新型电源模块打破了这些障碍,提供业界领先的功率密度并采用标准QFN封装,具有宽输入范围和可编程输出电压,额定电流为2.5A。
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交通运输系统中的DC/DC转换器 Blog Post Image

交通运输系统中的DC/DC转换器

2019-8-21
对于交通运输系统中的DC/DC转换器,其性能具有特殊要求,必须具有宽输入范围、严苛环境下EMI的抗干扰能力,这使得商业或“标准”工业级器件不太可能成为可靠的解决方案。本文概述了铁路、汽车和工业车辆的应用要求,并介绍了符合规范要求的模块化解决方案。
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DC/DC转换器的隔离 Blog Post Image

DC/DC转换器的隔离

2019-8-14
除了防止电击之外,DC/DC转换器的隔离具有许多不同的用途。本文介绍了各种等级的隔离以及在常见的低功耗DC/DC转换器中的应用。
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 适用于铁路环境的低功率DC/DC转换器 Blog Post Image

适用于铁路环境的低功率DC/DC转换器

2019-8-7
在复杂的国际铁路市场中,如何有效利用铁路车辆是关键。感知设备的状况、状态和位置然后进行汇报可以做出“明智”的决策,从而提高车辆可用性同时降低成本。然而,多个传感器和发射器需要低成本的电源,必须易于集成、符合铁路电气和环境规范,且经济地升级现有的车辆。本文介绍了在常见的铁路传感应用中使用这种DC/DC转换器以及具有必要认证的现成产品系列。
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对超宽输入范围DC/DC转换器的需求 Blog Post Image

对超宽输入范围DC/DC转换器的需求

2019-7-24
从低功率测试测量设备,到大功率的电机驱动,DC/DC转换器几乎能够应用在如医疗、运输设备等任何一个行业中。
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电子技术如何改变汽车行业的发展 Blog Post Image

电子技术如何改变汽车行业的发展

2019-7-10
在过去的一百年里汽车毫无疑问地改变了世界。但是现在追求以大排量发动机来实现更高速度的趋势已经悄然发生了变化,因为气候恶化和资源减少迫使我们不得不重新思考。电池动力不但取代了原有的燃油动力更赋予了汽车更高的性能,模块化转换器在这一新兴领域的应用极具吸引力。
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指定电源转换器噪声滤波器的电感器 Blog Post Image

指定电源转换器噪声滤波器的电感器

2019-6-26
开关模式电源转换器的输入和输出通常会加电感电容滤波器以减少反射纹波电流和输出噪声,同时满足EMC的辐射和敏感性限制。转换器制造商有时会指定推荐滤波电感值,但是在整个频率范围内由不同元器件供货商提供的相同标称性能的部件可能会有很大的性能差异,从而导致结果不佳并且增加传导和辐射干扰。本文将探讨电感性能的不同变化。
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使用DC/DC转换器为连接患者的医疗设备供电 Blog Post Image

使用DC/DC转换器为连接患者的医疗设备供电

2019-6-12
专业和家庭医疗保健是一个快速发展的市场,从生命体征指示设备到无线充电植入物,越来越多与患者接触的医疗设备被广泛使用。无论是电池供电还是交流供电,每个连接的设备都需要直流电源,而低功率的模块化DC/DC转换器通常用作安全隔离系统的一部分。本文介绍了DC/DC转换器在这一领域的应用,解释了所需的相关安全认证,并且推出专为该应用设计的商用转换器系列。
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设计板载AC-DC转换器之挑战 Blog Post Image

设计板载AC-DC转换器之挑战

2019-5-29
板载AC-DC转换器通常被视为只是另一种商品零部件,希望随着技术的发展组件的尺寸可以缩小、成本降低,同时性能得以提高。但小型转换器会面临设计上的限制,如输入电压、工作温度范围以及更严格的安全性和能效标准。本文研究如何权衡这些规范,以及最新一代产品要如何实现性能、尺寸和成本优化来延伸其推广性。
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用于医疗应用的板载DC/DC转换器 Blog Post Image

用于医疗应用的板载DC/DC转换器

2019-5-15
专业和家庭医疗保健是一个快速发展的市场。从生命体征到床垫传感器,越来越多的电子监控用在许多的事物上。在许多情况下,电子设备的电源需要电气隔离。本文将解释为什么在这些情况下需要电气隔离,同时介绍所需的安全标准,并以板载DC/DC转换器为例,提供一些规范和说明。
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用于单相以及相对相应用的辅助电源 Blog Post Image

用于单相以及相对相应用的辅助电源

2019-3-21
市场上有许多宽输入电压AC/DC电源。由于输入范围为90-305VAC的电源涵盖了100、115、230和277Vac标称电压,因此可作为全球通用的电压。然而,很多工业中安装的是没有中性线的三相电,因此需要更宽的输入电压范围来满足相对相的输入需求。本文将解释为什么开发了具有6:1输入电压范围的新型低功率AC/DC转换器。
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48V是否会变成新的24V? Blog Post Image

48V是否会变成新的24V?

2019-3-21
大多数工业控制系统都在24VDC电源轨上运行。选择该电压的原因很多,包括它足以供电给阀门、螺线管和继电器,但又够低以确保安全触摸。另外它是标准铅酸蓄电池电压,因此很容易导入备用冗余电源系统。24VDC电源轨供电,电缆的线损会比较大,因此它在高功率负载情况下的效率并不高:
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RECOM给医疗器械制造商的器械法规(MDR)清单 Blog Post Image

RECOM给医疗器械制造商的器械法规(MDR)清单

2019-3-20
欧盟委员会(EC)决定现有的欧盟(EU)医疗器械指令(MDD)不够严格,因此已被改版为法规,即医疗器械法规(MDR)。
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为什么贴片的开关稳压器模块能提高设计工程师的工作效率 Blog Post Image

为什么贴片的开关稳压器模块能提高设计工程师的工作效率

2019-3-20
制造商不愿意将钱花在现成的模块上,而是参考控制IC的应用电路,使用分立器件搭建一个开关稳压器安装在电路板上。这种方法在理论上是有效的,但实际上却存在一些问题。
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EMC focus – power supplies Blog Post Image

EMC focus – power supplies

2019-3-20
Electromagnetic Interference (EMI) is always a potential problem with switched-mode power supplies, both AC-DC and DC-DC converters. Modern designs can perform well for...
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隔离式DC/DC转换器之极低噪声滤波器 Blog Post Image

隔离式DC/DC转换器之极低噪声滤波器

2019-3-4
所有隔离式DC/DC转换器都具有产生电噪声的开关器件。功率开关器件带感性负载时,比如变压器,就一定避免不了和功率开关器件的寄生电感或电容产生谐振的情况。在几百赫兹的中等开关频率下工作的DC/DC转换器可产生高达20MHz的噪声。
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担心栅极驱动器的绝缘能力?采用'BIER'测试吧 Blog Post Image

担心栅极驱动器的绝缘能力?采用'BIER'测试吧

2019-3-4
最新的宽带间隙(WBG)半导体正走向最理想的状态,也就是具有高电压和低损耗的超快速切换,而现代的MOSFET和沟槽IGBT也可以有高dV/dt和di/dt。然而,下桥臂电路中的快速切换会将瞬态电压耦合到栅极驱动电路,从而造成混乱或损坏,同时上桥臂栅极驱动器的信号和电源隔离还会受到应力影响。本文将探讨这些影响、解释如何减轻影响,以及评估应力和局部放...
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模仿是恭维,仿冒却很危险 Blog Post Image

模仿是恭维,仿冒却很危险

2019-2-6
市场上充斥着来自东方的仿冒产品,在电子业更为常见。AC-DC和DC-DC转换器受到「灰色」渠道销售低质量产品的影响,通常这些产品的认可标志是无效的,性能也较差。此外,某些产品未达到所声称的安全等级,对设备和操作人员有一定的风险。以欺诈和非法行为的案例为例,本文将重点介绍这些低质量的器件带来的危险。
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