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Content tagged with Power
posted in January 2011
Multicore architectures efficiently enhance automotive body electronics
Design How-To  
1/28/2011   Post a comment
The increasing use of electronics in automobiles faces hurdles as the continuing need for more performance confronts the reality of the power required to achieve that performance.
Fairchild’s UniFET II MOSFETs reduce switching losses, withstand high current spikes
Product News  
1/27/2011   Post a comment
Fairchild Semiconductor has developed an optimized power MOSFET, the UniFET II MOSFET, that features an improved body diode, reduced switching losses and the capability of withstanding double the current stress during diode recovery dv/dt mode.
Semtech RClamp 0554S TVS diode array
Product News  
1/25/2011   1 comment
Semtech has expanded its RailClamp platform with a 5V array that doubles protection levels in high-speed data lines to safeguard new advanced networking transceivers from overvoltage caused by ESD, EFT and lightning.
Vishay rolls Bulk Metal Z-Foil power current sensing resistors
Product News  
1/24/2011   Post a comment
Vishay Precision Group, Inc. has introduced the VPR5Z and VPR7Z ultra-high precision Bulk Metal Foil power current sensing resistors with very low TCR of ±0.05 ppm/°C from 0°C to +60°C and ±0.2 ppm/°C from -55°C to +125°C, +25°C ref., and resistance tolerance to ±0.01.
Infineon forms Chinese IGBT subsidiary
News & Analysis  
1/20/2011   Post a comment
Infineon Technologies AG has opened a facility in China called Infineon Integrated Circuits (Beijing) Co. Ltd., located in the Beijing Economic and Technological Development Area.
Implementing power-supply sequencing using Power Manager devices (Part 3 of 3)
Design How-To  
1/20/2011   2 comments
This book excerpt explains approaches and algorithms for sequencing power supply turn-on and turn-off
iWatt's iW3612 (3W to 25W) and iW3602 (3W to 10W) LED driver ICs
Product News  
1/19/2011   Post a comment
iWatt's latest pair of primary-side-regulated, leading- and trailing-edge-dimmable, AC/DC digital PWM controllers targets 100V/230VAC offline LED lighting applications.
National Semi's new SIMPLE SWITCHER power modules drive loads up to 3A, output voltage 6V-24V
Product News  
1/19/2011   Post a comment
National Semiconductor Corp. has introduced three new SIMPLE SWITCHER power modules, the first to drive high output voltage applications in a variety of markets including industrial, communications infrastructure and military. The LMZ14201H, LMZ14202H and LMZ14203H power modules provide the efficiency of a synchronous switching regulator with the simplicity of a linear regulator, eliminating the external inductor and complex layout placement challenges typical of switching regulator designs.
SiC power MOSFET pushes past Si-based MOSFETs/IGBTs with lower losses, lower capacitance, easier drive
Product News  
1/17/2011   6 comments
Cree CMF2012SD series block 1200V, on-resistance of 80mO, are stable with temperature rise
Friends, countrymen, and AC power strips: lend me your (mounting) ears!
1/17/2011   18 comments
Strips with internal mounting holes are a pain, and guaranteed by design to not mount securely
Use ultracapacitors to extend lifespan, improve performance for many solar-dependent applications
Design How-To  
1/15/2011   10 comments
Understand how this energy-storage component can be used to enhance low-voltage, intermittent charging applications
Ultralow-voltage energy harvester powers wireless sensors from waste heat (Part 2 of 2)
Design How-To  
1/13/2011   2 comments
Understand the functions needed for meaningful harvesting from low-energy thermal sources
Implementing power-supply sequencing using Power Manager devices (Part 2 of 3)
Design How-To  
1/12/2011   2 comments
This book excerpt explains approaches and algorithms for sequencing power supply turn-on and turn-off
Green Power Processor (GPP) enables evolution from analog circuits to smart digital controllers in CE apps
Product News  
1/11/2011   Post a comment
The Green Power Processor (GPP) from Green Plug is an advanced System-on-Chip (SoC) that enables CE manufacturers to design digital power adapter architectures that save energy by facilitating communication between the power source and the connected device.
Ultralow-voltage energy harvester powers wireless sensors from waste heat (Part 1 of 2)
Design How-To  
1/8/2011   4 comments
Understand the functions needed for meaningful harvesting from low-energy thermal sources
Automotive connectors evolve to meet complex demands and EV challenges
Design How-To  
1/7/2011   1 comment
While initially adapted from industrial designs, the increasing complexity of automotive electronics has created demands for interconnects that vary greatly from the traditional pin-and-socket connectors—and can adapt to electric and hybrid vehicles.
Implementing power-supply sequencing using Power Manager devices (Part 1 of 3)
Design How-To  
1/5/2011   1 comment
This book excerpt explains approaches and algorithms for sequencing power supply turn-on and turn-off
Those AC/DC modules: my, how you have shrunk!
1/4/2011   9 comments
Going from linear to switcher designs has made a huge difference in size, but what about robustness?
Freescale hardware/firmware slays ‘vampire’ power in consumer gear
News & Analysis  
1/4/2011   16 comments
Freescale says its Watt Saver hardware/firmware package lets OEMs cut 'vampire' standby power to zero for greener consumer devices.
Microsemi 6-port PD-9506G and 12-port PD-9512G midspans
Product News  
1/3/2011   Post a comment
Check out these 6- and 12-port midspans, which optimize deployment flexibility and support gigabit switching and high-efficiency four-pair powering.
Digital power techniques threaten analog power-supply obsolescence
Design How-To  
1/1/2011   30 comments
Understand why this author feels that digital power-supply control has many strong advantages over traditional analog supply control

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.

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