Converter Regulator
95 sunfire stalls on hard acceleration in 4th gear?
have a 95 sunfire and i have changed all the sensors on the intake manifold that are there, fuel filter, air filter, egr valve and selonoid. When i go hard on the acceleration it sputters in 2nd gear but wont stall until i get to 4th gear and between 60km and 75km the car sputters again when i go hard on acceleration (not crazy hard either) then dies. Its fine if im very gentle with the acceleration. The valve spring in the first cylinder is going and making noise, but ive had this problem before it started doing that. The catalytic converter has never been changed and looks pretty rusty also the 02 sensor upstream has been replaced but not the downstream. I took it to autovalue and got them to do a dignostic and it said it was not responding but thats weird cause the car still works off the PCM. Dont you think if the PCM was shot all the other sensors like fuel levels and seat belt wouldnt work either? I just replaced the fuel pressure regulator today, still doing the same crap
It sounds like you have done everything but a decent tune-up…which is where one should start. Replace the plugs and wires, and the cap and rotor if it has one. If that doesn’t do it, check the volume that the fuel pump pushes- it should pump plenty for about 2-3 seconds before the relay opens. Good luck.
DC-DC Converter Modules and ICs: Market Forces, Power Architectures, and Technology Developments, Eleventh Edition ||| Market Research Report
Topics Covered:
Introduction
Application Trends
Evolving Power System Architectures
Module and IC Design Trends
Module Types
Business and Manufacturing Landscape
Standards Update
Emerging Opportunities for DC-DC Converters
DC-DC Converter Module Companies
Power-Supply-On-Chip and Power-Supply-In Package Companies
Executive Summary
Although driven by obvious factors such as cost and efficiency, the real changes occurring in the dc-dc converter module and IC market are at the power architecture and advanced materials levels. The emergence of the Dynamic Bus Architecture (DBA) is, in fact, one of the most significant developments in the power supply industry in 10 years. The DBA is already being designed into some high-end systems, and widespread adoption is expected in the next few years.
System makers are demanding more efficient products in smaller footprints at what is called “cost neutrality” levels. But the broad variety of applications across many diverse industries is allowing the dc-dc converter market to thrive in both traditional and niche segments. On-board solutions are eating away at the module market, yet “the brick is not dead,” according to many power supply manufacturers.
The reason both types of products will thrive is that power architectures are evolving beyond the classic distributed power model, adapting to system makers’ need for multiple voltage rails at lower voltages. Also, newer applications such as light-emitting diodes (LEDs) and dc building power require advanced components and materials to address unique operating environments. Yet many traditional applications remain, such as industrial and transportation, that simply need proven, reliable products.
Underlying these trends are new packaging designs with increased integration. Smaller packages mean more thermal issues, and companies are looking at ways to improve efficiency while managing heat dissipation. The challenge for dc-dc converter module makers is how the Intermediate Bus Architecture is evolving: customers are demanding more efficiency, as well as configurability and optimization. This has led to a “Dynamic Bus Architecture,” which consists of board-mounted dc-dc converters or point-of-load (POL) regulators that communicate with a centralized power system host control via a digital communications bus. The firmware is partly reconfigurable to specific applications, with “energy optimization algorithms” built in.
Most of the distributed power architectures being implemented today, and certainly future systems, include some form of digital power management and control. Digital power management has become a “given” in many systems, especially computer and communications applications. “Power supply designers” are becoming “system designers,” and many of them also utilize digital control techniques when appropriate, rather than analog. The evolution of the Intermediate Bus Architecture (IBA) – from the Central Control Architecture (CCA) to the emerging Dynamic Bus Architecture (DBA) – is in part due to system demands that digital power management can address effectively.
The DBA makes use of a Digital Bus Converter (DBC), which is able to dynamically optimize its intrinsic efficiency, along with overall system efficiency, and can be controlled and monitored. In addition, the emergence of the DBC threatens to obsolete all of today’s analog bus converter products, including unregulated, semi-regulated and even regulated devices.
With global economies slowly recovering from the recession, companies are looking to keep costs low and optimize the equipment they already have. This means increasing efficiency across all application areas. Advanced materials, such as Silicon-carbide (SiC) and Gallium-nitride (GaN), are slowly becoming more cost-effective in applications with high temperature and high power requirements (SiC) or high-performance Information and Communication Technology (ICT) applications (GaN). As costs come down, these materials are likely to improve converter efficiencies and enable higher operating frequencies and smaller converter sizes.
As components and power architectures evolve, some new approaches could redefine the power supply landscape. The use of “on-chip” power supplies, for instance, includes the distribution of power in high-speed, high-complexity integrated circuits with power levels exceeding many tens of watts and power supplies below a volt. Intel has made gains with thin-film on-die magnetics that could speed mainstream adoption of this type of product. Power Supply on Chip (PwrSoC) is also making steady progress in the research and development area, although this technology is still several years away from commercialization.
Opportunities in the “Smart Grid” are still being defined, but most companies see smart meters as the “first step” in these applications. Some IC companies believe their product line is broad enough to encompass any smart-grid-related application, while other companies are adopting a “wait and see” attitude in terms of what will be successful.
Another trend that fits nicely with the Smart Grid concept is dc distribution in buildings, which is being embraced by utilities, where intelligent control allows communication with the utility. Dc power supports energy efficiency, “green” technologies, and building automation and control. Interest in dc building power is not new, but mainstream deployment has been elusive except in the telecommunications world. The energy demands of data centers renewed interest in dc powering, but the problems with batteries and legacy ac systems made such considerations daunting, particularly in North America and Europe.
“Dc-powered buildings” goes beyond data centers, however. The EMerge Alliance is an open industry association focused on low-voltage dc power distribution and its use in commercial interiors. In October, 2009, the EMerge Alliance released the EMerge Alliance Standard, which “establishes a more efficient means of powering the rapidly increasing number of digital, dc-powered devices, such as sensors, lighting and IT equipment.” Along with companies like Armstrong, the Alliance’s members include Delta and Tyco Electronics.
In addition, the EMerge Alliance announced the first set of 26 Registered Products in November, 2010. Already, companies like Armstrong World Industries, Cooper Industries, Finelite Inc., Lunera Lighting, Nextek Power Systems, Northwire Inc., and Tyco Electronics have products that have been registered for the EMerge Alliance Standard.
Standards are certainly driving changes in the dc-dc converter market. PMBus™ made its 2.1 specification for digital communications available to the public; the Distributed-power Open Standards Alliance (DOSA) released its non-isolated MICRO converter standard; the PCI Industrial Computer Manufacturers Group (PICMG) has proposed formal improvements to the Advanced Telecom Computing Architecture (ATCA) standard for military, defense, medical, server and scientific applications; and Power-over-Ethernet (PoE) Plus now supports up to 30W per port, and depending on the powered interface, can be configured even beyond that.
The opportunities for dc-dc converter module and IC makers are greater now than they have been in years, due to emerging applications, new power architectures, advanced materials and components, and energy efficiency standards. The power supply industry can take advantage of these developments, knowing that additional markets are likely to arise in the future.
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About the Author
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DC DC Converter Voltage Regulator Module 24V to 12V $18.99 |
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DC/DC Converter Regulator 48V Step down to 24V 5A 120W $29.99 |
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SEVEN STAR ATVR-1000 WATT FOREIGN VOLTAGE TO U.S.A. VOLTAGE CONVERTER REGULATOR $75.00 |
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50W DC/DC Converter Regulator Step down 10A , Input 10 – 15V , Output 0.9V – 12V $14.99 |
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20W DC/DC Step down Converter Regulator combine the Red LED volt meter $14.99 |
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30W DC/DC Converter Regulator Step down 6A , Input 10V-15V , Output 0.9V – 12V $7.99 |
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20W DC/DC Step down Converter Regulator combine the Blue LED volt meter $14.99 |
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20W DC/DC Step down Converter Regulator combine the green LED volt meter $14.99 |
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New 120W GOLF CART Voltage Reducer Converter Regulator 48V To 12V 10A $21.99 |
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DC-DC Converter Voltage Regulator In 24V Out 12V $15.99 |
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3.5~28V Auto Regulator Power Wide Voltage DC Converter $4.00 |
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3-34V to 4-60V LM2577 DC-DC Charge Regulator Converter $7.00 |
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4-40V to 1.5-35V LM2596 DC-DC Buck Converter Step Down Power Voltage Regulator $3.99 |
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Blue LED volt meter + DC/DC Step down Converter Regulator combine 2 in 1 $14.99 |
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20W DC/DC Step down Converter Regulator combine the green LED volt meter $14.99 |
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20W DC/DC Step down Converter Regulator combine the Red LED volt meter $14.99 |
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30W DC/DC Converter Regulator Step down 6A , Input 10V-15V , Output 0.9V – 12V $7.99 |
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50W DC/DC Converter Regulator Step down 10A , Input 10 – 15V , Output 0.9V – 12V $14.99 |
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Red LED volt meter + DC/DC Step down Converter Regulator combine 2 in 1 $14.99 |
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Waterproof DC DC Voltage Power Converter Regulator 12V Step UP To 48V 150W 3A $42.59 |
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Waterproof DC 24V Step Up To 48V 5A 240W Voltage Stabilizer Converter Regulator $39.49 |
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Waterproof DC DC Voltage Converter Regulator Reducer 12V Step Up to 24V 3A 72W $23.99 |
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DC DC Converter Regulator 12V24V Step down to 5V 15A 75W Car Power Supply Module $17.59 |
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DC DC Converter Regulator 24V Step down to 12V 1.5A 18W Car Power Supply Module $6.90 |
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DC DC Converter Regulator 12V 24V Step down to 5V 5A 25W Car Power Supply Module $8.96 |
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DC/DC Voltage Converter Regulator Reducer 12V Step Up to 48V – 3A 150W Brand New $47.59 |
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DC/DC Voltage Converter Regulator Reducer 12V Step Up to 24V – 3A / 72W New $24.49 |
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Toy car power converters Regulator 24V/12V to 6V 7A 42W DC-DC power converters $10.59 |
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LM2596 DC Converter Power Supply Buck Step Down Regulator In:4-40V Out:1.5-35V $4.99 |
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DC-DC Converter 6-32V to 0.8-28V 150W Buck Boost Step Up Step Down Regulator $58.99 |
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Toy car power converters Regulator Reducer 12V to 6V 3A DC-DC power converters $8.59 |
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DC/DC converters Regulator Reducer 12V to 7.5V 3A 15W DC-DC power converters $8.59 |
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DC/DC converters Regulator Reducer 12V to 9V 3A 15W DC-DC power converters $6.95 |
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GOLF CART voltage reducer converter Regulator 36V to 12V 10A 120W $24.99 |
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GOLF CART voltage reducer converter Regulator 48V to 12V 10A 120W NEW $22.99 |
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DC-DC Converter Regulator Reducer 48V Step down to 12V 20A 240W $53.59 |
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LiteFuze Regulators, Power Converter Transformer
