Higher power USB-C will deliver 240W

Today’s USB-C charging can support up to 100 watts. But that’s not enough for all gaming laptops and other power-hungry devices. There seems to be real need for more USB power because some manufacturers have sold off-spec 130W USB-C adapters. The new standard capacity of 240 watts is enough to run larger monitors, printers, gaming laptops and other devices.

The USB Implementers Forum (USB-IF) has just announced that it’s more than doubling the amount of power you can send over a USB-C cable from 100W to 240 watts.
https://www.theverge.com/circuitbreaker/2021/5/25/22453936/usb-c-power-delivery-extended-power-range-epr

The USB-C Release 2.1 spec more than doubles the power output of the all-in-one cable.

The USB Implementers Forum (USB-IF) has just announced that it’s more than doubling the amount of power you can send over a USB-C cable to 240 watts. This is something that the USB-IF is calling “Extended Power Range” or EPR for short.

This means you’ll eventually be able to plug in the same kind of multipurpose USB-C cable you currently use on lightweight laptops, tablets, and phones to charge all but the beefiest gaming laptops (which will still need an ugly barrel jack and a proprietary power brick to charge).

You’ll need new USB-C chargers and cables to take advantage of the new spec, of course. A cable will need to support up to 5A and 50V to be compliant.

This gives the hint that the extra power capability is made possible by increasing the supplt voltage. 5A*48V=240W. In addition to higher voltage I expect some extension to the USB power delivery device handshaking specifications to reliably tell when this higher voltage is appropriate, because sending 48V to an older device expecting 20V 5A maximum would most propably fry it.

Stephen Shankland / CNET:
USB standards body unveils its USB-C 2.1 revision, which supports power up to 240W, up from 100W currently, aimed at devices like 4K displays and gaming laptops — An upgrade to the USB-C standard will accommodate levels of up to 240 watts, an improvement that could let you plug power-hungry devices …
https://www.cnet.com/news/usb-c-upgrade-delivers-a-whopping-240w-for-gaming-laptops-and-other-power-hungry-devices/

An upgrade to the USB-C standard will accommodate levels of up to 240 watts, an improvement that could let you plug power-hungry devices like gaming laptops, 4K monitors and printers into the universal port.

The USB Implementers Forum (USB-IF), the industry group that develops the technology, revealed the new power levels in the version 2.1 update to its USB Type-C specification on Tuesday. The new 240-watt option is called Extended Power Range, or EPR.

Cables supporting 240 watts will have additional requirements to accommodate the new levels. And USB-IF will require the cables to bear specific icons “so that end users will be able to confirm visually that the cable supports up to…240W,” USB-IF said in the specification document.

USB Type-C® Cable and Connector Specification Revision 2.1
https://usb.org/document-library/usb-type-cr-cable-and-connector-specification-revision-21

The USB-C specification isn’t the only one covering how USB ports and cables work. Today’s mainstream USB 3.2 and brand-new USB 4 govern how data is sent over cables. But USB 4 is rare, just arriving now in newer laptops.

40 Comments

  1. Tomi Engdahl says:

    https://www.androidpolice.com/2021/05/26/usb-c-just-made-even-your-most-powerful-chargers-look-obsolete/

    An upcoming expansion of the USB-C standard in version 2.1 will expand officially-supported power output for the ubiquitous port. In the initial specification of USB-C 2.1 published yesterday, the USB Implementers Forum outlined “Extended Power Range,” which boosts maximum power output to 240 watts. That’s enough energy to charge up the most demanding gaming laptops, or even a full television. It wouldn’t be enough for, say, a full-power gaming PC or a PS5, but pretty much anything that you’d want to move around could charge off the same standard port.

    The Implementers Forum expects devices with Extended Power Range to become available before the end of the year. While it’s hard to imagine Android devices or other mobile gadgets needing much more than the current 100-watt limit, extending chargers to 200 or more could let a single multi-port GaN charger supply power to a phone, tablet, monitor, and a host of accessories, all on a single outlet.

    Reply
  2. Tomi Engdahl says:

    A single USB Type-C cable will soon be capable of powering an entire gaming laptop
    By Alan Dexter 1 day ago
    The idea of generic power bricks is surprisingly exciting.
    https://www.pcgamer.com/usb-type-c-to-support-up-to-240w-power-delivery/?utm_campaign=socialflow

    The USB-Implementer’s Forum has upgraded the specification for power delivery on USB Type-C 2.1 to handle up to 240W. Currently, the standard tops out at 100W, which means it simply doesn’t deliver enough power for lots of meatier devices. Upping the voltage from 20V to 48V should give manufacturers enough room to make it a truly universal charging standard.

    Plenty of thin and light laptops manage to get by using USB Type-C connectors, although these tend to stay well below 100W, with 65W chargers being surprisingly common. Throw in a serious high-end CPU and a discrete graphics card though, and you’ll soon be nudging up to 200W or more.

    It’ll take a while for manufacturers to start implementing the new standard, and to adhere to the new specification. Manufacturers will need to comply with the USB PD Extended Power Range (EPR) specification. Any cabling will of course need to comply, and will need to handle up to 50V as well.

    Reply
  3. Tomi Engdahl says:

    USB-C levels up and powers up to deliver 240W in upgraded power delivery spec
    One charger to rule them all … eventually, maybe
    https://www.theregister.com/2021/05/27/usb_pd_240w_upgrade/?utm_source=dlvr.it&utm_medium=facebook

    Reply
  4. Tomi Engdahl says:

    uudet 2.1-määritykset, tehonsyötön PC-protokollan (power delivery) uuden version. Nyt kaapelit tukevat nimellisarvoltaan 5 A virtaa kuten aiemminkin, mutta jätti on nostettu 20 voltista 48 volttiin.

    Reply
  5. Tomi Engdahl says:

    Uusi PD-protokolla on selvästi aiempaa tiukempi. Valittavana on kolme uutta kiinteää jännitettä: 28 V (yli 100 W), 36 V (yli 140 W) ja 48 V (yli 180 W teholle) aiempien määriteltyjen 5, 9, 15 ja 20 V kiinteiden jännitteiden rinnalle. Uusi säädettävä jännitetila mahdollistaa jännitteen valinnan 15 voltista johonkin kolmesta uudesta maksimijännitteestä. Laitteen tarpeen mukaan syöttö voidaan säätää 100 millivoltin välein.

    Reply
  6. Tomi Engdahl says:

    Sam Byford / The Verge:
    Xiaomi demos fully charging a 4,000mAh battery in eight minutes over a 200W “HyperCharge” system or in 15 minutes with 120W wireless charging

    Xiaomi says it can now fully charge a phone in eight minutes at 200W
    New ‘world records’ in wired and wireless charging
    https://www.theverge.com/2021/5/30/22461435/xiaomi-fast-charging-world-record-200w-wired-120w-wireless?scrolla=5eb6d68b7fedc32c19ef33b4

    Xiaomi has shown off its latest fast charging tech demo, and consequently is claiming the new world records for both wired and wireless charging speeds. Using a modified Mi 11 Pro with a 4,000mAh battery, Xiaomi says it’s able to fully charge the phone in 8 minutes over a 200W wired “HyperCharge” system, or in 15 minutes with 120W wireless charging.

    Charging speeds are a frequent battleground for Chinese smartphone companies, who often release demonstrations of breakthroughs that may or may not show up in final products. Two years ago, for example, Xiaomi announced a 100W system that could charge a 4,000mAh battery in 17 minutes, while last year’s Mi 10 Ultra filled up in 23 minutes at 120W — though it did have a bigger 4,500mAh battery.

    Oppo announces 125W tech that charges phones in 20 minutes
    And the world’s fastest wireless charging
    https://www.theverge.com/2020/7/15/21325289/oppo-125w-fast-charging-65w-airvooc-wireless-charger

    Reply
  7. Tomi Engdahl says:

    USB Promoter Group Announces USB Power Delivery Specification Revision 3.1Specification defines delivering up to 240W of power over USB Type-C®
    https://www.usb.org/sites/default/files/2021-05/USB%20PG%20USB%20PD%203.1%20DevUpdate%20Announcement_FINAL.pdf

    The USB Promoter Group today announced the release of the USB Power Delivery (USB PD) Revision 3.1 specification, a major update to enable delivering up to 240W of power over the USB Type-C® cable and connector. Prior to this update, USB PD was limited to 100W via a solution based on 20V using USB Type-C cables rated at 5A. The USB Type-C specification has also been updated with Release 2.1 to define 240W cable requirements, and with the updated USB PD protocol and power supply definition, this extends the applicability of USB PD to a large number of applications where 100W wasn’t adequate. The new USB PD architecture defines a much more stringent power negotiation protocol that helps to ensure that access to and use of this higher power capability can be done safely. It should be noted that safety requirements for products that use power in the range of 100 – 240W are also more stringentthan lower power products and are defined by the applicable safety specifications dictated by the regulations for each country where the products will be sold.

    Key characteristics of the USB PD 3.1 specification include:
    •A choice of three new fixed voltages: 28V (above 100W), 36V (above 140W) and 48V (above180W) joining previously defined 5V, 9V, 15V and 20V fixed voltages.
    •A new adjustable voltage mode enabling a range from 15V to one of three maximum voltages (28V, 36V, or 48V) depending on the available power allowing the device being powered to request specific voltages to a 100 mV resolution.

    “The 3.1 revision to the USB Power Delivery specification, which includes the capability to provide up to 48 V and 240 W of power, will help enable additional design opportunities for current and new users of USB Type-C technology,” said Deric Waters, senior member of technical staff at Texas Instruments.

    Reply
  8. Tomi Engdahl says:

    Learn how a battery #charging system works in #USB Type-C #power delivery and how PD 2.0 and 3.0 technologies differ Infineon Technologies AG

    A short primer on USB Type-C PD 3.0 specification and design
    https://www.edn.com/a-short-primer-on-usb-type-c-pd-3-0-specification-and-design/?utm_content=buffercf493&utm_medium=social&utm_source=edn_facebook&utm_campaign=buffer

    The USB Type-C connector and power delivery (PD) specification has brought radical changes to the mobile device industry, and USB Type-C PD 3.0 could optimize battery charging for portable devices. Single cable solutions for consumer electronics and computing device connectivity and PD has simplified life for consumers who were long plagued by a plethora of proprietary power adapters for phones, tablets, and notebook computers. It has also helped drive innovation in charger design with increasingly small form factors and variants such as differing power levels, two or more charging ports in power bricks, and automotive adapters.

    Developed under the auspices of the USB Implementer’s Forum, and subsequently adopted as International Electrotechnical Commission (IEC) standard, there are two compatible specifications for USB-PD; both support bi-directional charging at power levels up to 100 W. The first one—Power Delivery 2.0—supports fixed output voltages including 5, 9, 12, 15, or 20V at specific operating currents, for example 3 A. The second specification—PD 3.0—includes programmable power supply (PPS), a feature that allows the USB Type-C charger’s output voltage to be adjusted in increments as small as 20 mV over voltages ranging from 3.3 to 21V. With a PD 3.0 PPS USB-C charger, portable devices can optimize battery recharging time and battery life.

    Reply
  9. Tomi Engdahl says:

    https://www.linkedin.com/pulse/ready-iec-62368-1-100w-limit-harry-beijering

    On 20 December 2020, the globally harmonized standard IEC (UL) 62368-1 will replace the older product safety standards IEC 60950 and IEC 60065. This applies to all electronic information / communication technology (ICT) and audio and video (AV) devices. One of the new limits will be the 100W power source for the risk of ignition.

    The new standard IEC 62368-1 summarizes the influence on the body in three (hazard) classes for various energy sources (including heat, electricity, mechanics). It also defines three user classes (skilled, instructed and ordinary persons).

    This model is used for energy sources (PS), for the analysis of fire hazards.

    Class 1 (<15 W): Not painful but can be detectable (Inflammation not likely)
    Class 2 (100 W): Injury occurs (Ignition likely, fire spread rapidly)

    The IEC 62368-1 standard specifies 100W as the electrical power limit for the highest hazard class 3. This means that for example switching power supplies with an electrical output of over 100 W are classified in class 3 and corresponding protective measures are necessary.

    How to protect against ignition and fire at P>100 W (PS3)

    Protective measures to prevent ignition and flame spread can be different:

    Use of reinforced and additional or double insulation
    Greater distance between the “Potential Ignition Source” and flammable materials
    Use of flame retardant products

    Reply
  10. Tomi Engdahl says:

    USB-järjestö mokasi taas – nyt uusien tehonsiirtologojen kanssa
    https://etn.fi/index.php/13-news/12679-usb-jaerjestoe-mokasi-taas-nyt-uusien-tehonsiirtologojen-kanssa

    USB on erinomainen ja maailman käytetyin PC-liitäntä, joka on lisäksi kehittynyt nopeaa vauhtia. Tekniikkaa hallinnoiva USB Implementers Forum -järjestö sen sijaan tunnetaan erittäin sekavasta tavastaan brändätä eri versioita. Nyt järjestö jatkaa perinnettään esittelemällä uudet eri latausluokkia kuvaavat logot.

    Logojen julkistus liittyy toukokuussa julkistettuihin uusiin tehonsiirron PD-standardeihin (power delivery), joiden mukaan liitännän yli voidaan jatkossa siirtää jopa 240 watin latausteho entisen 100 watin sijaan. Järjestön tarkoitus on toki jalo: halua selventää eri kaapelien ja lataustehojen valintaa ja helpottaa kuluttajan asemaa ostohetkellä.

    Sertifioitujen uusien logojen myötä kuluttaja on kuitenkin kuin puulla päähään lyöty. Kaikkiaan järjestö esitteli seitsemän uutta logoa. Ne kuvaavat 240 watin maksimitehoa tuotepakkauksissa ja porttien yhteydessä. Välillä logoihin tulee mukaan myös 40 gigabitin maksimidatanopeus.

    240 watin lataustehosta kertovilla logoissa on vähän sama maku kuin USB-IF:n yrityksessä brändätä kolmannen sukupolven USB-versiot vuoden 2019 alkupuolella. Tuolloin esimerkiksi USB 3.1 -liitäntää ryhdyttiin markkinoimaan nimellä USB 3.2 Gen 2. Tämän jälkeen kukaan ei ilman opiskelua tiennyt, minkälainen kaapeli kannattaisi hankkia.

    Useiden logojen tarvetta USB-IF selittää toki sillä, että nyt kuluttaja tietää, siirtääkö kaapeli dataa 20 vai 40 gigabittiä sekunnissa ja mihin lataustehoon se pystyy. Mallia olisi kannattanut ottaa vaikkapa Thunderbolt 4 -serkusta, jossa jokainen sertifioitu kaapeli pystyy juuri siihen, mitä standardi parhaimmillaan lupaa.

    Reply
  11. Tomi Engdahl says:

    Showdown Time For Non-Standard Chargers In Europe
    https://hackaday.com/2021/10/12/showdown-time-for-non-standard-chargers-in-europe/

    t seems that few features of a consumer electronic product will generate as much rancour as a mobile phone charger socket. For those of us with Android phones, the world has slowly been moving over the last few years from micro-USB to USB-C, while iPhone users regard their Lightning connector as the ultimate in connectivity. Get a set of different phone owners together and this can become a full-on feud, as micro-USB owners complain that nobody has a handy charging cable any more, USB-C owners become smug bores, and Apple owners do what they’ve always done and pretend that Steve Jobs invented USB. Throwing a flaming torch into this incendiary mix is the European Union, which is proposing to mandate the use of USB-C on all phones sold in its 27 member nations with the aim of reducing considerably the quantity of e-waste generated.

    Minor annoyances over having to carry an extra micro-USB cable for an oddball device aside, we can’t find any reason not to applaud this move, because USB-C is a connector born of several decades of USB evolution and brings with it not only the reversible plug but also the enhanced power delivery standards that enable fast charging no matter whose USB-PD charger you are using. Mandating USB-C will put an end to needlessly overpriced proprietary cables, and bring eventual unity to a fractured world.

    What Could Go Wrong?

    The USB-C port is tough, convenient, and feature-rich, so where might be the snags in this plan? Imagine for a minute that they had made this move back in 1998 instead of 2021. There were a multitude of chargers on the market back then, but probably the most common was the Nokia 5 V miniature barrel jack. It would have made sense to go with the Nokia connector, so all phones made in the last couple of decades for the EU market would have it. By now the demands for an improved connector taking up less space and with some means of data transfer would be deafening, because the mobile phone has evolved in so many ways unimaginable in the days when a Nokia 5100 was an object of desire.

    So it is today, the USB-C connector has all the features we can think of for a mobile device of the 2020s, and will remain useful for the coming years, right? But what about the 2030s or the 2040s? When a Galaxy Fold or an iPhone 13 look as quaint as that Nokia with Snake on it does today, will the 5 GB data transfer rate or 100 W power limit be enough? Any mandated standard must have within it a provision for revision to reflect technological advancement, otherwise we risk creating a throwback. Or push forward the next standard.

    So we welcome the prospect of a truly unified charging cable for all our devices. We think USB-C is a good tool for the job, and we hope it doesn’t simply create standardised EU versions while leaving the rest of the world still arguing over which cable is best.

    Reply
  12. Tomi Engdahl says:

    An Overview of USB Type-C in Power-Only Designs
    https://www.digikey.com/en/articles/an-overview-of-usb-type-c-in-power-only-designs?dclid=COP9pYiO2fMCFYvLGAodk-YFFA

    From a high level, the latest USB Type-C standard defines only the physical connector that users see in many of today’s cell phones and electronic devices. Data transfer protocols, such as USB 3.2 and even now with USB4, apply only to the electrical signal. Although often utilized together, an engineer could create a system using the USB 3.2 data transfer specification and their own proprietary connector not conforming to the physical USB connector standard.

    The same goes for the USB Power Delivery (PD) specification. Due to its design, a USB Type-C connector supports up to a 5 A current rating and 20 VDC voltage rating for up to 100 W of power transfer capability defined in USB PD 3.0. While USB Type-C connectors can support USB PD, the Power Delivery specification is really governed by the charging circuit and only limited by the voltage and current capabilities of the physical connector. However, this higher power capability supported by USB Type-C connectors has led them to a new world of power opportunities.

    Housing sixteen data transfer contacts, four power contacts, and four ground contacts, a standard 24-contact USB Type-C connector supports up to 100 W of power transfer. This makes the USB Type-C connector an intriguing solution for power applications with the ability to replace a standard dc power connector even when data transfer is not needed.

    Standardization represents one of the main advantages of utilizing USB for power delivery. USB connectors are widely adopted across many different industries and Type-C continues to establish itself as the universal connector in phones and mobile devices. Because of this, the European Union has discussed the potential of adopting the USB Type-C connector as the standard for all future devices bought and sold in its region. To an end-user, the convenience of only needing a single, off-the-shelf cable to interface with a wide variety of products cannot be understated. OEMs also benefit from a stable supply chain as USB connectors are simple to find and their standardization assures a level of interoperability. Because of this standardization, the challenges of design integration are also reduced. In addition, USB Type-C connectors typically offer a smaller package size than a number of barrel connectors as well as high reliability and longer life with a 10,000-mating cycle rating.

    Due to the advantages listed in the previous section, CUI Devices has developed power-only USB Type-C receptacles for applications where charging or power delivery is the sole intended use. CUI Devices’ 60 W power-only USB Type C receptacles remove the sixteen data transfer contacts and two of the ground contacts, leaving only four power contacts and two ground contacts. The 100 W model maintains all four power and ground contacts for eight total contacts.

    By removing the sixteen contacts, the simplified design of the connector leads to a significant cost reduction with only six or eight contacts compared to a standard 24-contact Type-C. This not only reduces the part cost, but it also decreases the complexity and failure rate with less contacts and associated solder joints to fail. Although these power-only USB Type-C connectors do not transfer data, they are still compatible with any standard data+power USB Type-C cable. This adds to their convenience with no additional hardware or requirements when interfacing between the connector and cable.

    Looking Ahead with USB Type-C

    USB Type-C connectors and their widespread adoption have given engineers a new avenue in which to view power management and transmission. While not an end-all solution, Type-C’s power capabilities up to 100 W and global standardization will give it a strong foothold in a wide range of products and applications. With their low cost and simplified design integration, CUI Devices’ power-only USB Type-C receptacles offer engineers an appealing option when power delivery is the sole function.

    CUI Devices currently offers a horizontal or vertical 60 W power-only USB Type C receptacle with a maximum 3 A current rating and 20 Vdc voltage rating. A 100 W version is also available that boasts the full 5 A current rating and 20 Vdc voltage rating supported by USB Type C connectors.

    Reply
  13. Tomi Engdahl says:

    Applelta ensimmäinen GaN-pikalaturi
    https://etn.fi/index.php/13-news/12768-applelta-ensimmaeinen-gan-pikalaturi

    Applen uusin tuotejulkistus piti sisällään uudet M1 Pro- ja M1 Max -prosessorit sekä näiden vauhdittamat uudet 14- ja 16-tuumaiset Macbook Pro -läppärit. 16-tuumaisen huippumallin mukana tulee 140-wattinen laturi, joka lupaa hyvää Applen tulevillekin latureille.

    ChargerLab on ottanut tehtäväkseen uutuuslaturin purkamisen ja analysoinnin. Purku osoittaa, että ensimmäistä kertaa missään laitteessa Applen on käyttänyt gallium-nitridipohjaisia tehokomponentteja. Tämän ansiosta on päästy 140 watin huipputehoon.

    Laturi tukee USB-latauksen uutta tehonsyötön PD3.1-standardia. Sen avulla läppäriin voidaan syöttää USB-kaapelia pitkin 28 voltin ja 5 ampeerin virtaa 140 watin teholla. Apple-tyyliin kaapeli liitetään tietokoneeseen toki MagSafe-liittimellä.

    Latest Teardown of Brand New Apple 140W USB-C GaN Charger
    https://www.youtube.com/watch?v=GKs9Sf84UTE

    Reply
  14. Tomi Engdahl says:

    Nilay Patel / The Verge:
    Anker CEO on EU’s proposed USB-C legislation, Apple’s MFI program, taking bets on new tech like gallium nitride, building a D2C business on Amazon, and more — Anker is one of those companies that’s endlessly fascinating to me — CEO Steven Yang founded it in 2011, and since then …

    Why charging phones is such a complex business, with Anker CEO Steven Yang
    https://www.theverge.com/22769839/anker-battery-charger-gan-amazon-apple-mfi-lightning-iphone-magsafe-decoder?scrolla=5eb6d68b7fedc32c19ef33b4

    AnkerAnker is one of those companies that’s endlessly fascinating to me — CEO Steven Yang founded it in 2011, and since then, it’s turned into a 3,000-person company that operates all over the world by selling phone chargers and battery packs on Amazon and have since expanded to other categories like webcams, Bluetooth speakers, and smart home products.

    Along the way, they’ve pioneered a major advancement in charging technology — you know that little white brick that takes forever to charge an iPhone? It’s made using silicon and puts out about 5 watts of power. Anker made a big bet on a material called gallium nitride, or GaN, and it is now a charger the size of that iPhone brick that can put out 30 watts of power — enough to charge a MacBook Air. It was a big bet, and it paid off.

    And, of course, we had to talk about Amazon. Anker started its business on Amazon and still sells most of its devices on the platform. Steven told me that Anker has 100 people, or fully 3 percent of the company, dedicated to thinking about managing the Amazon marketplace.

    And for good reason: this past summer, several of Anker’s competitors were banned from Amazon for breaking guidelines around fake and paid five-star reviews. So, of course, I asked Steven for his views on that.

    Our conversation covers the full stack of Decoder topics: taking bets on new tech like gallium nitride, building a direct-to-consumer business on Amazon, and the complexity of managing the Amazon relationship, regulatory issues, platform fees — you name it. And all because of phone chargers. I told you — Anker is endlessly fascinating.

    The European Union recently proposed that all new products use USB-C — including the iPhone. You have been on the front lines of USB-C for years. What do you make of the announcement that the European Union is going to mandate this charging standard?

    We welcome that. When you and I met for the first time in 2018, we were in that conference room talking about how USB-C is going to take over the world — how people will use a single charger for all of their devices, saving 300,000 tons of e-waste every year. Gladly, we’re seeing this becoming true year after year. Last year, Apple decided to take the in-box chargers out. This year, the European Union is pushing that envelope even more. In China, there’s regulations being established to enforce that the protocols are interchangeable as well. It is becoming a common practice to just have interchangeable chargers to feed all our consumer electronics products, which is super.

    Apple and Samsung do not have chargers in the box anymore. We should talk about the international regulatory pressure to reduce e-waste, but I am curious from the nuts and bolts level: if companies are not including chargers in the box, does that result in more charger sales for Anker?

    Yes — a lot more, because this is a new category. Previously, a lot of users didn’t buy a charger by itself. Per our survey, about 50 percent of those users still just go back to using their old chargers, because they have saved some over the years. But more and more people are starting to shop for individual chargers. Of course, a large fraction of them will go to the device brand — for example, they will go buy an Apple or Samsung charger. Still, that gives us a chance as a third-party charger brand to reach those users. It is a chance to inform them about the superiority of our charger: the small size, the high power durability, and the interoperability to charge all their devices from all the brands.

    Reply
  15. Tomi Engdahl says:

    Kännyköiden nopein laturipiiri tuli entistä paremmaksi
    https://etn.fi/index.php/13-news/12817-kaennykoeiden-nopein-laturipiiri-tuli-entistae-paremmaksi

    Markkinoille on jo tuotu älypuhelinlatureita, jotka yltävät jopa 120 watin lataustehoon. Useimmat niistä perustuvat kalifornialaisen Navitasin GaNFast-latauspiireihin. Nyt yhtiö on esitellyt kolmannen polven piirinsä, joka parantaa latausta entisestään.

    Miksi galliumnitridi on nopeasti yleistynyt kannettavan elektroniikan latureissa? Vastaus on yksinkertainen. Piipohjaiseen tehoelektroniikkaan verrattuna GaN-tehokomponentit kytkevät 20 kertaa nopeammin, niiden läpi voidaan syöttää kolme kertaa enemmän tehoa. Näin latausajat kutistuvat kolmannekseen ja laturien fyysinen koko ja painoa pienenevät puoleen.

    Kolmannen polven GaNFast-siruille on lisätty GaNSense-teknologia. Sen avulla latauspiirin tilaa voidaan monitoroida entistä tarkemmin. Järjestelmäparametreista tutkitaan reaaliajassa esimerkiksi virtaa ja lämpötilaa.

    Reply
  16. Tomi Engdahl says:

    GaN näyttää tehonsa 100 watin kännykkälaturissa
    https://etn.fi/index.php/new-products/12815-gan-naeyttaeae-tehonsa-100-watin-kaennykkaelaturissa

    Power Integrations on esitellyt referenssialustan, jolla voidaan suunnitella jopa 100 watin lataustehon tuova USBC-laturi. USB:n tehonsyötön PD 3.0 -standardia tukevan laturimallin salaisuus on gallumnitridi-pohjaisessa tehokytkimessä.

    Alusta koostuu InnoSwitch 3-PD PowiGaN -kytkimestä, joka on flyback-tyyppinen muunnin. Ohjainpiiri DER-937 -alustalla on HiperPFS-4 -piiri. Referenssimalli pitää sisällään virtalähteen tekniset tiedot, piirikaavion, piirilevyasettelun, materiaaliluettelon, yksityiskohtaiset magneettispesifikaatiot ja suorituskykytiedot.

    Kaikkiaan referenssimallissa on vain 117 komponenttia. Sillä päästään yli 93 prosentin hyötysuhteeseen kaikissa vaiheissa

    DER-937 – 100 W USB PD 3.0 Power Supply with 3.3 V – 21 V / 5 A (100 W Power-limited) PPS Output Using InnoSwitch3-PD PowiGaN (INN3870C-H805) HiperPFS-4 (PFS7628C) and CAPZero-2 (CAP200DG)
    100 W USB PD 3.0 power adapter achieving 15 W / in3 power density using InnoSwitch3-PD PowiGaN (INN3870C-H805) HiperPFS-4 (PFS7628C) and CAPZero-2 (CAP200DG)
    https://www.power.com/design-support/design-examples/der-937-100-w-usb-pd-pps-power-supply-using-innoswitch3-pd-powigan-and-hiper-pfs4?utm_campaign=InnoSwitch3-PD_DER-937&utm_medium=referral&utm_source=PI&utm_content=PressRelease&utm_term=AC-DC+InnoSwitch3-PD+Adapters+PI+EN

    Reply
  17. Tomi Engdahl says:

    Kännyköiden latausteho 125 wattiin
    Julkaistu: 15.11.2021
    https://etn.fi/index.php/13-news/12827-kaennykoeiden-latausteho-125-wattiin

    Xiaomin 11T Pron akku latautuu tällä hetkellä 120 watin tehokka ja testissä olevan puhelimen akku latautuu sanalla sanoen nopeasti. Ensi vuonna maksimiteho kasvaa 125 wattiin. Näin nopea lataus on tulossa kiinalaistietojen mukaan OnePlusilta, OPPOlta, Renolta ja Realmelta.

    Nopealla lataamisella on kääntöpuolensa. Se heikentää akkua aiempaa nopeammin. Tämä voi olla syy siihen, että Samsungin ja Applen huippumallien latausteho on niin alhainen vain 25 (Samsung Galaxy S21 Ultra) ja 27 wattia (Apple iPhone 3 Pro Max).

    Reply
  18. Tomi Engdahl says:

    RapidCharge™ Controllers Prevent Fast Charger Hacking
    https://www.dialog-semiconductor.com/products/usb-pd-and-rapid-charge/prevent-fast-charger-hacking?utm_campaign=dlg_pcbu&utm_source=end_elecdesign&utm_medium=personifai&utm_content=rapidcharge_lp

    Recent news stories report that some fast chargers designed with MCUs can be easily hacked. When users connect their devices to these fast chargers via the USB cable, hackers may be able to compromise the charger by sourcing more power than the device can safely handle, damaging or even destroying the device. Hackers can alter the firmware of fast charge devices in order to deliver extra voltage and damage connected equipment . . .

    Designers can try to add more code in the MCU to prevent hacker modifications, but only if the MCU has the option to be updated. Or, they can try to add overload protections in the devices for which the chargers are designed. These methods are hardly ideal.

    Hard-Wired State Machine Approach

    A simpler and lower cost approach is to design fast chargers and power supplies without MCUs and firmware, and instead use a hard-wired state machine approach.

    Fast chargers and power supplies designed with Dialog’s Rapid Charge™ controllers cannot be hacked, because they are hard-wired state machines, so there is no firmware that can be accessed and corrupted. And, with a hard-wired state machine, you won’t need to spend extra time and expense to harden firmware or add overload protections.

    BadPower attack corrupts fast chargers to melt or set your device on fire
    https://www.zdnet.com/article/badpower-attack-corrupts-fast-chargers-to-melt-or-set-your-device-on-fire/

    Attackers can alter the firmware of fast charger devices to deliver extra voltage and damage connected equipment.

    Reply
  19. Tomi Engdahl says:

    The USB 2.0 specification defines a differential characteristic impedance of 90 ohms, plus or minus 15%, for the USB 2.0 differential pair. The USB 3.0 specification defines a differential characteristic impedance range of 72 ohms to 120 ohms.

    Reply
  20. Tomi Engdahl says:

    OnePlussaan tulee 150 watin pikalataus
    https://etn.fi/index.php/13-news/13240-oneplussaan-tulee-150-watin-pikalataus

    OnePlus on valtavan suosittu älypuhelin Suomessa. Viime vuonna sen markkinaosuus meillä nousi lähelle 20 prosenttia eli Samsungin, Applen ja muiden jättien ohi. Globaalisti OnePlus on kuitenkin pienen pieni. Viime vuonna sen markkinaosuus oli 0,8 prosenttia. Teknisesti yhtiö kuitenkin kulkee kehityksen kärjessä, mistä kertoo esimerkiksi laitteisiin jo keväällä tuleva 150 watin pikalataus.

    Yhtiön toimitusjohtaja Pete Lau paljasti luvun OnePlussan keskustelufoorumilla. Laun mukaan OnePlus myi viime vuonna 11 miljoonaa älypuhelinta.

    Tänä vuonna Pete Lau lupaa edistysaskeliä erityisesti laitteiden kameroissa ja latauksessa. Tulossa on esimerkiksi 150 watin SUPERVOOC-lataustekniikka. OPPOn tutkimuslaboratoriossa kehitetty tekniikka lataa 4500 milliampeeritunnin akun varauksen 50 prosenttiin vain 5 minuutissa.

    Reply
  21. Tomi Engdahl says:

    RapidCharge™ Controllers Prevent Fast Charger Hacking
    https://www.dialog-semiconductor.com/products/usb-pd-and-rapid-charge/prevent-fast-charger-hacking?utm_campaign=dlg_pcbu&utm_source=end_elecdesign&utm_medium=personifai&utm_content=rapidcharge_lp

    Recent news stories report that some fast chargers designed with MCUs can be easily hacked. When users connect their devices to these fast chargers via the USB cable, hackers may be able to compromise the charger by sourcing more power than the device can safely handle, damaging or even destroying the device. Hackers can alter the firmware of fast charge devices in order to deliver extra voltage and damage connected equipment . . .

    Reply
  22. Tomi Engdahl says:

    Uudessa realme-puhelimessa maailman nopein lataus
    https://etn.fi/index.php/13-news/13245-uudessa-realme-puhelimessa-maailman-nopein-lataus

    Miltä kuulostaisi älypuhelin, jonka akun saisi ladattua puolilleen viidessä minuutissa? Sellaista esitellään jo Barcelonan mobiilimessuilla. Asialla on realme ja sen uusi GT Neo 3 -malli, jota voidaan ladata 150 watin teholla. Laturin elektroniikan on kehittänyt Navitas Semiconductor.

    Navitas tunnetaan galliumnitridipohjaisen tehoelektroniikan pioneerina. GaN-piireillä päästään suurempaan tehotiheyteen, nopeampaan kytkentään ja pienempään kokoon kuin perinteisillä piikomponenteilla. MWC-messuilla esillä oleva 150 watin laturi on kuitenkin tähän asti nopein markkinoilla.

    Dimensity 8100 -prosessorilla toimiva realme GT Neo 3 sisältää teholtaan 150-wattisen laturin, jolle valmistaja on antanut nimeksi UltraDart. Navitaksen GaNFast-virtapiirien ympärille rakennetun 150 watin laturin ansiosta käyttäjät voivat hyödyntää tätä tekniikkaa lataamalla puhelimen 4 500 milliampeeritunnin akun 50 prosenttiin vain 5 minuutissa. Laturi on mitoiltaan 58 x 58 x 30 millimetriä, joten sen tehotiheys on ennätyksellinen 1,5 wattia kuutiosenttiä kohti.

    Reply
  23. Tomi Engdahl says:

    Kännykän akku täyteen 9 minuutissa
    https://etn.fi/index.php/13-news/13293-kaennykaen-akku-taeyteen-9-minuutissa

    OPPO on esitellyt 240 watin pikalataustekniikan älypuhelimiin. Teo tarkoittaa, että 4500 milliampeeritunnin akun voi ladata sataan prosenttiin noin 9 minuutissa. Tekniikan nimi on 240 W SUPERVOOC.

    240 watin SUPERVOOC on suunniteltu 20V/12A-tekniikalla. Teho siirtyy normaalin C-tyypin USB-väylän läpi. Laturissa on kolme latauspumppua ja puhelimiin syötettävä teho voidaan muuntaa 10V/24A:ksi.

    240 W SUPERVOOC tarjoaa turvallisen ja saumattoman latauskokemuksen samalla kun se ylittää aiemmat latausnopeusennätykset. Tähän asti tehokkaimmat kännykkälaturit markkinoilla ovat olleet Xiaomin 200 watin ja ollut Realmen 150 watin laturit.

    Näin suurella teholla piirit lämpenevät huomattavasti. OPPO onkin parannellut lämpötilasuojausta kaikkiaan 13 lämpötila-anturin avulla. Toistaiseksi SUPERVOOC 240 on vielä protoasteella.

    Reply
  24. Tomi Engdahl says:

    150 watin kännykkälataus tuli Suomeen
    https://etn.fi/index.php/13-news/13657-150-watin-kaennykkaelataus-tuli-suomeen

    Realme tuo uuden lippulaivamallistonsa myyntiin reilun viikon kuluttua. GT NEO 3 -älypuhelimen tärkeimpiin ominaisuuksiin kuuluu 150 watin UltraDart-lataustekniikka. Sillä saavutetaan maailman nopein älypuhelimen lataus eli 50 prosentin lataus vain viidessä minuutissa.

    Puhelimessa on myös aiempaa suurempi akkulatauksen muunnosnopeus, lataustehokkuus ja pienempi lataushäviö.

    Reply
  25. Tomi Engdahl says:

    Nopea 150 watin lataus uutuuskännykkään
    https://www.uusiteknologia.fi/2022/05/31/nopea-150-watin-lataus-uutuuskannykkaan/

    Kiinalainen Realme tuo tarjolle uudessa kännykkämallissaan maailman nopeimman 150 watin UltraDart-lataustekniikan. Uutuustekniikan avulla kännykkäakun saa puoliksi täyteen jo viidessä minuutissa.

    Kesäkuussa myyntiin tulevan Realme GT NEO 3 -älypuhelin on ensimmäinen Euroopassa, joka sisältää taiwanilaisen MediaTek Dimensity 8100 5G -piirisarjan. Piirin HyperEngine 5.0 -ratkaisu tarjoaa entistä paremman suorituskyvyn ja virransäästöominaisuudet.

    Reply
  26. Tomi Engdahl says:

    Maailman nopein kännykkälataus maksaa 699 euroa
    https://etn.fi/index.php/13-news/13698-maailman-nopein-kaennykkaelataus-maksaa-699-euroa

    Realme esitteli jo helmikuussa Barcelonan mobiilimessuilla GT Neo 3 -puhelimen, jonka akku latautuu 150 watin teholla. Nyt on selvinnyt, millä hinnalla tämä ”maailman nopein lataus” tulee suomalaisten ulottuville.

    Realme GT NEO 3 -sarjan lippulaivamalli latautuu 150 watin tehokka nollasta 50 prosenttiin vain viidessä minuutissa. Ultradart-latauksen saa 699 eurolla. Huippumalli myydään 12+256 gigatavun muisteilla. Realme myy laitetta myös 8+128 gigan muistilla ja 80 watin latauksella, jolloin hinta on 599 euroa.

    Laturin elektroniikan realmen uutuuteen on kehittänyt kehittänyt Navitas Semiconductor. Navitas tunnetaan galliumnitridipohjaisen tehoelektroniikan pioneerina. GaN-piireillä päästään suurempaan tehotiheyteen, nopeampaan kytkentään ja pienempään kokoon kuin perinteisillä piikomponenteilla.

    150 watin laturit ovat kevään aikana tulossa muihinkin uusiin puhelimiin. Esimerkiksi OnePlus on kertonut tuovansa tarjolle OPPOn laboratorioissa kehitetyn 150 watin SuperVOOC-tekniikan.

    Reply
  27. Tomi Engdahl says:

    Anker’s new GaNPrime charger lineup is cranking out up to 150 W of power
    https://techcrunch.com/2022/07/25/anker-ganprime/

    Reply

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