Embedded Systems Conference
Breaking News
Comments
Newest First | Oldest First | Threaded View
Page 1 / 2   >   >>
t.alex
User Rank
Author
re: Freescale pushes wireless recharge
t.alex   6/9/2012 1:57:33 AM
NO RATINGS
a heavy coil maybe :-)

anon3860072
User Rank
Author
re: Freescale pushes wireless recharge
anon3860072   6/3/2012 8:01:02 AM
NO RATINGS
Perhaps, at 14nm and below, when the smartphones and mobile gadgets alike needss recharge current of much less than 500mA, the EMI issue becomes non issue. Or, if energy can be made directional with minute stray radiation, I can really enjoy coffee at Starbuck without any worry of having my brains being "fried".

anon3860072
User Rank
Author
re: Freescale pushes wireless recharge
anon3860072   6/3/2012 7:12:15 AM
NO RATINGS
What are the price to pay: in terms of additional weight and z-height of the coils inside a smartphone. There could be more real estate in a tablet / notebook. My concern is what price to pay in a smartphone.

anon3860072
User Rank
Author
re: Freescale pushes wireless recharge
anon3860072   6/3/2012 7:10:28 AM
NO RATINGS
Well, can you or anyone show the EMI implication of a room in which multiple smartphones are being charged with 5W output from each of the wireless chargers?

ChipBuilder
User Rank
Author
re: Freescale pushes wireless recharge
ChipBuilder   6/3/2012 7:09:09 AM
NO RATINGS
its easier to standardize a wireless charging protocol than a plug and voltage polarity? what happens when i empty my pocket with a cell phone and Al foil gum wrapper and small length of rolled up wire, im a EE after all, and it bursts into flames?

anon3860072
User Rank
Author
re: Freescale pushes wireless recharge
anon3860072   6/3/2012 7:08:42 AM
NO RATINGS
How was the 80% efficiency deduced? From the point of the AC outlet? Can you or anyone tell how is efficiency compared to the ubiquitous USB Charger with micro-USB connector?

anon3860072
User Rank
Author
re: Freescale pushes wireless recharge
anon3860072   6/3/2012 6:22:00 AM
NO RATINGS
Three issues that are potential critical: 1) with 5W of EMI radiating, what is the implication to human health especially in confine area like inside a vehicle; 2) all smartphones except those from SJ/Apple use micro-USB for charging anyway, how can consumers (except those using Apple iXs) be benefited; the said efficiency of 70% does not include the AC/DC portion and the aggregate efficiency has to be much lower than whhatever the USB Wall Charger can achieve; so this run against the "green" principle, doesn't it?

R_Colin_Johnson
User Rank
Author
re: Freescale pushes wireless recharge
R_Colin_Johnson   6/1/2012 5:32:34 PM
NO RATINGS
Hopefully, countertops everywhere, even at Starbucks, will have built-in rechargers so you don't even have to remember to charge your gadgets.

t.alex
User Rank
Author
re: Freescale pushes wireless recharge
t.alex   6/1/2012 3:40:49 PM
NO RATINGS
I would prefer to have both wired and wireless charging.

mcgrathdylan
User Rank
Author
re: Freescale pushes wireless recharge
mcgrathdylan   6/1/2012 2:48:54 PM
NO RATINGS
This is definitely one of those things that I am eager to see implemented on a wide scale. The freedom to unplug and recharge without constantly looking for the right power cord will be very much welcomed at my house.

Page 1 / 2   >   >>


Top Comments of the Week
Like Us on Facebook

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
EE Life
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
Max Maxfield

March 28 is Arduino Day -- Break Out the Party Hats!
Max Maxfield
6 comments
Well, here's a bit of a conundrum. I just received an email from my chum David Ashton who hails from the "Unfinished Continent" Down Under. David's message was short and sweet; all he said ...

Bernard Cole

A Book For All Reasons
Bernard Cole
1 Comment
Robert Oshana's recent book "Software Engineering for Embedded Systems (Newnes/Elsevier)," written and edited with Mark Kraeling, is a 'book for all reasons.' At almost 1,200 pages, it ...

Martin Rowe

Leonard Nimoy, We'll Miss you
Martin Rowe
5 comments
Like many of you, I was saddened to hear the news of Leonard Nimoy's death. His Star Trek character Mr. Spock was an inspiration to many of us who entered technical fields.

Rich Quinnell

Making the Grade in Industrial Design
Rich Quinnell
16 comments
As every developer knows, there are the paper specifications for a product design, and then there are the real requirements. The paper specs are dry, bland, and rigidly numeric, making ...

Special Video Section
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 ...
General-purpose DACs have applications in instrumentation, ...
Linear Technology demonstrates its latest measurement ...
10:29
Demos from Maxim Integrated at Electronica 2014 show ...
Bosch CEO Stefan Finkbeiner shows off latest combo and ...
STMicroelectronics demoed this simple gesture control ...
Keysight shows you what signals lurk in real-time at 510MHz ...
TE Connectivity's clear-plastic, full-size model car shows ...
Why culture makes Linear Tech a winner.
Recently formed Architects of Modern Power consortium ...
Specially modified Corvette C7 Stingray responds to ex Indy ...
Avago’s ACPL-K30T is the first solid-state driver qualified ...
NXP launches its line of multi-gate, multifunction, ...
Radio
LATEST ARCHIVED BROADCAST
EE Times Senior Technical Editor Martin Rowe will interview EMC engineer Kenneth Wyatt.
Flash Poll