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Notas de Diseño

• Descargar
  Powering Altera Arria 10 FPGA and Arria 10 SoC: Tested and Verified Power Management Solutions &mdash DN549
  PDF, 1.6 Mb, Archivo publicado: feb 19, 2016
  Extracto del documento

  Powering Altera ArriaВ 10 FPGA andВ Arria 10 SoC: Tested
  and Verified Power Management Solutions
  Design Note 549
  Afshin Odabaee
  Introduction
  FPGA development kits allow system developers to
  evaluate an FPGA without having to design a complete
  system. Figures 1 and 2 show Altera’s new 20nm
  Arria 10 FPGAs and Arria 10В SoCs (System-on-Chip)
  development boards. These boards are tested and
  verified by Altera, exemplifying best design practices
  in layout, signal integrity and power management.
  Power Management for Core, System and I/O
  The power management solution for high end FPGAs,
  including the Arria 10, should be carefully selected.
  A well thought-out power management design can
  reduce PCB size, weight and complexity, as well as
  lower power consumption and cooling costs. And it
  is essential to achieve optimal system performance.
  ForВ example, the 0.95V at 105A supplied by the 12V
  DC/DC regulator powering the core of the Arria 10 GX
  FPGA in Figure 1 has several features that complement
  the power saving schemes of the SoC: Figure 1. Arria 10 GX FPGA Development Kit …

Artículos

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  Avoid Debugging Cycles in Power Management for FPGA, GPU and ASIC Systems &mdash LT Journal
  PDF, 3.2 Mb, Archivo publicado: agosto 25, 2016
  Extracto del documento

  Avoid Debugging Cycles in Power Management for FPGA,
  GPU and ASIC Systems
  Afshin Odabaee When it comes to designing FPGA, GPU or ASIC controlled systems, the number of
  design challenges related to power management and analog systems pale in comparison
  to those related to digital design. Nevertheless, it is risky to assume that power system
  design can be left to “later,” or taken in line with digital design. Even seemingly innocuous
  problems in power supply design can significantly delay the release of a system, as any
  added time to the power system debugging cycle can halt all work on the digital side.
  A good way to put DC/DC regulation
  issues to rest is to use a verified development kit offered by the FPGA, GPU or
  ASIC vendor. Often, the design itself or
  a similar design is available as a board/
  kit by the suppliers of power products
  and FPGA, GPU and ASIC manufacturers. Using a tested and verified kit unburdens
  system designers of most power system
  and analog issues, allowing them instead
  to focus their energies on configuring the
  complex digital systems. The optimum
  power system layout is taken care of
  before significant design is undertaken. THOUGHTFUL POWER MANAGEMENT
  IS CHALLENGING AT THE START Every design task is initially daunting,
  and power management design is no
  exception. This is the case when power is …

• Descargar
  Complete 20V, 20A High Performance µModule DC/DC Regulator in 15mm × 15mm × 4.32mm Package &mdash LT Journal
  PDF, 181 Kb, Archivo publicado: enero 6, 2014
  Extracto del documento

  Complete 20V, 20A High Performance ВµModule DC/DC
  Regulator in 15mm Г— 15mm Г— 4.32mm Package
  Sam Young The LTM4637 is a complete 20A high efficiency switch mode power supply
  in a compact 15mm Г— 15mm Г— 4.32mm LGA package. The controller, power
  MOSFETs, inductor and compensation circuitry are all integrated within its low
  profile package, allowing use on the bottom side of the PCB. The LTM4637 has
  an input voltage range of 4.5V to 20V and supports an output voltage range of
  0.6V to 1.8V. It has an operating frequency range of 440kHz–770kHz where it
  can provide up to 20A with just a few additional external components.
  VERSATILITY The LTM4637 features a programmable
  soft-start to limit inrush currents as well
  as output voltage tracking for sequencing requirements. Also included are an
  output voltage power good indicator, an
  external VCC pin allowing for bypassing
  of the internal LDO for an extra efficiency benefit, selectable pulse-skipping
  mode and Burst Mode operation for
  increased light load efficiency, as well
  as internal temperature monitoring.
  EASY COMPENSATION;
  EASY PARALLEL OPERATION The LTM4637’s constant-frequency current
  mode control and internal feedback loop
  compensation provide excellent stability and transient performance for a wide
  range of output capacitors. The LTM4637 …

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Clasificación del fabricante

• µModule Solutions > µModule Regulators > µModule Buck Regulators

Otros nombres:

LTM4637EVPBF, LTM4637EV PBF