Embedded Systems Conference
Breaking News
Comments
Oldest First | Newest First | Threaded View
Kinnar
User Rank
Author
Energy savings comes at the later stage
Kinnar   11/13/2013 1:57:36 PM
NO RATINGS
Energy Saving needs to be exercises at all the stages of the designs as explain in the article even the users can not be kept aside in this consideration. But the major bottleneck in implementing Energy Saving is the priority level of it, in almost every case of design it is prioritized later after targeted deadlines, and it is obvious that the completion of task will be more important and at later stage the thought of saving will be acted upon. 

Bert22306
User Rank
Author
Primarily a matter of battery life?
Bert22306   11/13/2013 3:39:48 PM
NO RATINGS
I can't help but think that the "environmental" aspects of energy efficiency for solid state electronics are mostly a smoke screen. The biggest motivation for designing in energy efficiency has to be battery life, in portable or mobile appliances. Because that aside, the power draw of most such devices is very small, compared to other uses of electric power (lighting, especially incandescent, HVAC, hot water, kitchen appliances, never mind factories and transportation).

pdelforge
User Rank
Author
Re: Primarily a matter of battery life?
pdelforge   11/14/2013 8:42:59 PM
NO RATINGS
Plug loads and appliances (as opposed to heating, cooling and wired lighting) are now responsible for the majority of residential and commercial electricity consumption in the US (EIA 2013). In California, it's two thirds (RASS 2009). With this level of load, and the growing policy focus on energy efficiency at Federal level and in many states, for example with California's zero net energy buildings goals, energy efficiency will no longer be confined to mobile devices, it is going to spread to all plug loads. The good news is that an increasing number of these plug loads are getting smart and connected, which makes them a great opportunity for dynamic power management, and energy reporting and control. I bet this will also drive growing consumer interest when they are able to easily understand which of their plug loads are vampires sucking money on their utility bills.

Wilco1
User Rank
Author
Re: Primarily a matter of battery life?
Wilco1   11/18/2013 7:52:11 AM
NO RATINGS
It certainly does matter a lot how much energy electronics use. In fact it's the majority of our electricity usage nowadays. My DVR uses 10% of my yearly electricity consumption due to using 20W in standby! That's more than my tv or computer use yearly, and despite using electric hot water heating for much of the year... I'd say anything more than 1W 24/7 is ridiculously inefficient and a potential fire hazard.

However even 1W standby is too inefficient if you consider the average household has 50+ appliances plugged in 24/7 (in the UK that would cost about £100 a year at current prices of ~22p/kWh). So aiming for 0.1W standby seems like a more sustainable goal.



Radio
LATEST ARCHIVED BROADCAST
As data rates begin to move beyond 25 Gbps channels, new problems arise. Getting to 50 Gbps channels might not be possible with the traditional NRZ (2-level) signaling. PAM4 lets data rates double with only a small increase in channel bandwidth by sending two bits per symbol. But, it brings new measurement and analysis problems. Signal integrity sage Ransom Stephens will explain how PAM4 differs from NRZ and what to expect in design, measurement, and signal analysis.

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
Like Us on Facebook
Special Video Section
The LTC®6363 is a low power, low noise, fully differential ...
Vincent Ching, applications engineer at Avago Technologies, ...
The LT®6375 is a unity-gain difference amplifier which ...
The LTC®4015 is a complete synchronous buck controller/ ...
10:35
The LTC®2983 measures a wide variety of temperature sensors ...
The LTC®3886 is a dual PolyPhase DC/DC synchronous ...
The LTC®2348-18 is an 18-bit, low noise 8-channel ...
The LT®3042 is a high performance low dropout linear ...
Chwan-Jye Foo (C.J Foo), product marketing manager for ...
The LT®3752/LT3752-1 are current mode PWM controllers ...
LED lighting is an important feature in today’s and future ...
Active balancing of series connected battery stacks exists ...
After a four-year absence, Infineon returns to Mobile World ...
A laptop’s 65-watt adapter can be made 6 times smaller and ...
An industry network should have device and data security at ...
The LTC2975 is a four-channel PMBus Power System Manager ...
In this video, a new high speed CMOS output comparator ...
The LT8640 is a 42V, 5A synchronous step-down regulator ...
The LTC2000 high-speed DAC has low noise and excellent ...
How do you protect the load and ensure output continues to ...