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ErP Directive for External Power Supplies

admin — Sat, 22 May 2010 02:42:01 +0000

What is the ErP requirement?

In April, 2009 the European Commission adopted the implementing measure for external power supply products. The regulation comes into force on April 27th, 2009 and the cut-off date for the first stage’s requirement is 27th April 2010.

The Eco-design Directive for Energy-related Products establishes a framework under which manufacturers and importers of Energy-related products (ErP) will, at the design stage, be obliged to increase energy efficiency and reduce products’ negative environmental impacts. The ErP Directive itself does not include any requirements for specific products. It is the implementing measures (IMs) that provide the prescription for compliance for each product category.

The IM for external power supplies is referred to as the Commission Regulation 278/2009. After cut-off date (27th April 2010) for the first stage requirement, any product falling into the scope sold on the EU market has to meet the ErP directive by complying with this IM.

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Maxim release dc-dc battery charger

admin — Thu, 13 May 2010 13:52:53 +0000

The MAX8900_ is a high-frequency, switching-mode battery charger for an one-cell lithium ion (Li+) or lithium polymer (Li-Poly) battery. It bring up to 1.2A of current to the battery from 3.4V to 6.3V (MAX8900A) or 3.4V to 8.7V (MAX8900B). The 3.25MHz switch-mode battery charger is ideally fit to slim portable devices such as headsets and ultra-portable media players as it has minimum component and heat.

Several characteristics make the MAX8900 perfect for high-reliability systems. The MAX8900 is protected against input voltages as high as +22V and as low as -22V. Battery protection features include low voltage prequalification, charge fault timer, die temperature monitoring, and battery temperature monitoring. The battery temperature monitoring adjusts the charge current and termination voltage as described in the JEITA specification for safe use of secondary lithium-ion batteries.

Charge parameters are easily changeable with outside components. An external electrical resistance sets the charge current from 50mA to 1200mA. Another external resistor adjusts the prequalification and done current thresholds from 10mA to 200mA. The done current threshold is very accurate achieving ±1mA at the 10mA level. The charge timer is adjustable with an external capacitor.

The MAX8900 dc-dc battery charger is available in a 0.4mm pitch 2.44mm x 2.67mm x 0.64mm WLP package.

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Comarco calls back laptop power adapters

admin — Sun, 04 Apr 2010 15:02:31 +0000

Comarco Inc. has called back one-half a million laptop power adapters caused by a potential burn down hazard for consumers.

The America Consumer merchandise Safety committee and the Lake Forest, Calif.-based company released an associated news on Friday calling back 507,000 units of the Targus Universal Power Adapters for laptops.

Comarco said defective electrifying may cause the connector to heat and run the plastic round them, which might burn consumers. Customer should stop uising the called back units immediately and contact the company for a free replenishment.

The company told it has received 518 incidents of the connector taps heating up. It said fifty-three from them led the plastic shells fading, and eight consumers have described a fingertip or hand burning. The company said that they has not found any reports of wounds asking for medical attending.

The call back affects models with the coming SKU numbers: APA23US-02, APA23US-03, APA23US-04, APA63US-03, APA63US-04, APM62US-03 and APM62US-04. They distributed at WalMart.

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kinds of options for AC-DC switcher

admin — Thu, 01 Apr 2010 15:53:06 +0000

V-infinity has supplied a fresh line of 30 watt Energy Star switching power supply that are unparalleled as they can be changed from a wall mount adapter to a desktop simply by slipping off the steel and connecting the AC power cord. The EMT serial is also for sale with interchangeable blades that match UK, US, Europe, and Australia specs. The EMT serial is exceedingly flexible getting in ideal for any application.

The power supplies are meet with Energy Star, CEC Level IV, EISA 2007, and RoHS standard. Insulation electric resistance is 50 MΩ at 500 Vdc with no-load power consumption at 0.5 W maximum. Input voltage is 90~264 Vac and available outputs voltage are 5, 6, 9, 12, 15, 18, and 24 Vdc. UL/cUL, CE, FCC; TUV/GS, and C-Tick safety approvals are included. Individual components are available from distribution.

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80 Port USB Charger show in Japan market

admin — Wed, 27 Jan 2010 13:17:28 +0000

Today’s news learned from Japan media, A 80 port USB charger has been appeared in Japanese market. The USB charger model is USCH80PC, There are 80 USB interface on a bare pcb board, you can charge your gadgets by these devices.

The size of the charger is 200 × 200 × 19mm, weighs 320g, product comes with an external power supply, Switch also designed for cusomter to control the Switching Power supply

It is said that this charger priced about $ 160.00.

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Sony make CycleEnergy USB power adapter

admin — Sat, 23 Jan 2010 17:17:29 +0000

Sony has a CycleEnergy USB power adapter that the measures in the Asia-Pacific and Middle East from next month. The map minimalist white design that could be implemented on a real Apple products. This portable USB Power Adapter comes with software that allows direct identification poll with almost all USB compatible devices such as mobile phones, Walkman, iPod / iPhone players and portable game consoles, including PSP.

Otherwise, the camera comes with an AC input of conventional add-on for quick loading. This mechanism of energy conservation will reduce long-term consumption of disposable or rechargeable batteries, and even the packaging is environmentally friendly because it is unclear which is easily recyclable paper. I have no idea about the price or will the United States / Europe market, but not over $ 50.

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WiFi charger appeared in the CES2010

admin — Sat, 23 Jan 2010 12:01:51 +0000

Smartphone fans are always suspected the capacity of their mobile phone battery life, So backup battery were always carried when they go outside. There are some vendors have introduced the use of solar energy technologies such as portable power supply. Recently, A new type of charger called the Airnergy Charger appeared in the CES2010, The magic is the WiFi signal can be used to recharge the battery.

Although the power of wireless router’ is not very high, the WiFi signal radiation emitted energy is also limited, The conversion efficiency of the WiFi charger will be high enough to carry the energy from a weak radio signal into electrical energy. This charger charging 30% of electricity for a Blackberry mobile phone battery in 90 minutes on the CES show

There is a built-in battery in the charger, the user can carry the product. Battery will be able charged as long as there is WiFi signal areas, Compared with the solar charging technology, Airnergy Charger will not impacted by the weather anymore. The manufacturer RCA said they would launch a 40 U.S. dollars USB charger this summer.

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Samsonite show solar charging briefcase in CES 2010

admin — Sat, 23 Jan 2010 08:41:59 +0000

Samsonite Corporation exhibited a unique design of the “solar” briefcase in the CES 2010 exhibition. This solar charging briefcase is big enough to carry a a 15.6-inch notebook. The most important is that the briefcase has charging capabilities, The charging function is not only designed for notebooks, but also for mobile phones. Solar panel was placed on the surface of the briefcase , You just need to put panel under the sun for 4.5 hours to get a BlackBerry Curve cell phone fully charged

12V car cigarette lighter was also design in the briefcase. So it is a car charger when you are driving. This bag is expected to be available this spring, will be priced below 100 U.S. dollars.

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iPad incurred woman

admin — Fri, 22 Jan 2010 13:46:10 +0000

When Apple announced that their Tablet PC named iPad (pad means sanitary pad), the people’s mind flew out the scene of pharmacy counters gynecology. It now appears that there are shares of a minority.

In Twitter, the one entitled “iTampon” (tampon means a sanitary napkin) quickly broadcast, reading: “menorrhagia? IPad help you !.” A host of CNBCT News said that the name of iPad made her think of women’s cosmetics.

From a technology public relations firm of Brooke Hammerling, said: “Is Apple responsible for market planning are all men? Every woman I visit think that this name sounds uncomfortable. It seems that Apple didn’t do a good job on picked the name of their new product. ”

Not only women be astonished, Peter Shankman who work in the media also astonished when he saw the name on television, he said: “I hope the second generation can increase the protection of iPad .”

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China released common criteria of mobile phone charger

admin — Thu, 21 Jan 2010 10:02:16 +0000

Master of CTTL Ho Guili said: “The universal standard of mobile phone charger YD / T 1591-2009 has been promulgated and implemented, and has become an international standard; In addition, mobile phone headset Common Criteria have also been promulgated and implemented, And maybe become an international standard in the future, uniform standard can be achieved mobile phone headset, MP3 headset unity ”

The formation of three-stage structure

In the afternoon at the “2010 Report on the Situation of China Communication Industry Development Council”, the Ho Guili disclosed this information. It is C114 learned that long ago, public letter issued by the Ministry of Communications of the 125 recommended industry standards, of which only one mobile communication terminal standard – YD / T 1591-2009 “mobile communication terminal adapter and charger / data interface technology requirements and test methods “, and revised YD / T 1591-2006 (mobile phone charger uniform standards) that released in 2006.

The so-called three-step structure is provided in the mobile phone side of cylindrical, Mini-USB, Micro-USB three kinds of interface, to achieve the same charger can be of different models of mobile phone brands charge. In addition to achieving the same chargers for different models of mobile phone brands charge, in accordance with “YD/T1591 standard” amendment, the power adapter will also expand the scope of application. Power adapter would apply not only charge but also apply to data transmission; applicable not only to mobile phones, will also apply to Bluetooth headsets, cameras, radios, razors, etc., a variety of small appliances.

In addition, “YD/T1591 standard” proposed amendments to the power adapter, Such as reliability, durability and energy-saving materials, and environmental protection requirements, in order to increase the power adapter life. January 7, letter to the Department of Public Telecommunications Research Institute CTTL on the “mobile communication terminal adapter and charger / data interface technical requirements and test methods” to conduct a special seminar. Now the standard has been promulgated and implemented, and has become the international standard.