ENERGY EFFICIENCY STANDARDS FOR EXTERNAL POWER SUPPLIES

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WHY FOCUS ON ADAPTERS TO REDUCE ENERGY WASTE?

In 1998 it was estimated that standby power accounted for approximately 5% of residential electricity consumption in America, approximately costing $3bn per year

National residential electricity consumption in 2004 was 1.29 billion megawatt hours (MWh) with wasted energy equating to the output of 18 typical power stations

Standards introduced in 2007 avoided approximately 198.5 metric tons of CO2 emissions in the US

Standards proposed in 2014 and set to go into effect in 2016 will help save consumers an equivalent to the annual electricity use of 6.5 million homes

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A BRIEF HISTORY

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EFFICIENCY PROTOCOL

WHAT IS THE INTERNATIONAL EFFICIENCY MARKING PROTOCOL? A system used by manufacturers to

identify the efficiency level of an external power supply.

Identified on the label with a roman numeral: I, II, III, IV, V, VI

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THE CURRENT REGULATORY ENVIRONMENT

UNITED STATES EUROPEAN UNION CANADA

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INTERNATIONAL HARMONIZATION IS KEY

Countries and regions are moving from voluntary programs to mandatory regulation These standards are becoming more strict and demanding OEMs need to track these requirements to ensure compliance and avoid delays or fines

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WHAT IS MEASURED?

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The efficiency criteria are concerned with two aspects of the external power supply.

Active Mode: Active mode is defined as when the power supply’s input is connected to line voltage ac and its output is connected to a dc or ac load drawing a portion of the product’s power output. Depending on the power rating, it must meet the minimum efficiency criteria represented as a percentage.

No-Load Mode: The power supply must also meet a requirement for when the input is connected to a line voltage ac but the output is not connected to a load. Depending on the output of the supply, it must keep its energy consumption below a specified wattage.

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CURRENT PERFORMANCE THRESHOLDS

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CURRENT EXEMPTIONS

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In the US, provisions exclude the following types of external power supply: Medical devices that require FDA listing

Chargers for detachable battery packs or products that are primarily motor operated

Service replacement or spare parts for end-products produced before July 2008

Similar exclusions for these three types of supply exist in the EU In addition the EU excludes low voltage

units (rated at <6V)

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MOVING TO LEVEL VI NEW PERFORMANCE THRESHOLDS

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MOVING TO LEVEL VI NEW PERFORMANCE THRESHOLDS CONT’D

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MOVING TO LEVEL VI NEW PERFORMANCE THRESHOLDS CONT’D

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DIRECT VS INDIRECT OPERATION EPS’s

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The new standard only applies to direct operation external power supplies

Direct Operation A direct operation product is an external power supply (EPS) that functions in its end product without the assistance of a battery

Indirect Operation An indirect operation EPS is not a battery charger but cannot operate the end product without the assistance of a battery.

Indirect operation models will still be governed by the limits as defined by EISA2007.

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LEVEL VI EXEMPTIONS

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The new Level VI mandate also defines exemptions for EPS products

The direct operation EPS standards do not apply if: It is a device that requires Federal Food and Drug Administration listing and approval as a medical device in accordance with section 360c of title 21

If it is a direct operation, ac-dc external power supply with nameplate output voltage less than 3 volts and nameplate output current greater than or equal to 1,000 milliamps that charges the battery of a product that is fully or primarily motor operated

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LOOKING FORWARD

FEBRUARY 10TH, 2014 Level VI rule’s publication in the Federal Register

FEBRUARY 10TH, 2016 Compliance date for the new requirements

COMING SOON EU, Canada and Australia expected to follow suit

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Confidential | ©2015 CUI Inc |

SUMMARY

The EPA estimates that external power supply regulations implemented over the past decade have reduced energy consumption by 32 billion kilowatts

Saving $2.5 billion annually and reducing CO2 emissions by > 24 million tons/year

Beyond mandated regulations OEMs are starting to demand “greener” power supplies

In late 2014 CUI began introducing Level VI compliant adaptors

CUI will continue to look for ways to address market demands and comply with current and future regulations

VIEW ALL CUI EXTERNAL POWER SUPPLIES >>

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THANK YOU www.cui.com

THANK YOU www.cui.com