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Notas de Diseño

• Descargar
  Dual Monolithic Ideal Diode Manages Multiple Power Inputs &mdash DN356
  PDF, 69 Kb, Archivo publicado: enero 8, 2004
  Extracto del documento

  Dual Monolithic Ideal Diode Manages Multiple Power Inputs
  Design Note 356
  Andy Bishop
  Introduction
  The LTC В®4413 dual monolithic ideal diode helps reduce
  the size and improve the performance and reliability
  of handheld battery-operated devices. The LTC4413
  is a single-chip solution that can automatically select
  between and isolate up to three power sources; such
  as a wall adapter, an auxiliary supply and a battery. It
  provides a low loss automatic PowerPathв„ў management solution for demanding applications that may
  require short-circuit protection, thermal management
  and system-level power management and control. Triple Supply Power Management
  Figure 1 shows a schematic with the LTC4413 configured
  to automatically switchover from a battery to either a
  USB supply or to a wall adapter. This circuit provides
  uninterrupted power to the load—while isolating all
  three power sources—allowing the user to remove the
  battery without affecting load voltage when either of
  the two other supplies is present. This circuit exploits
  the LTC4413 to provide low loss uninterrupted power
  while automatically prioritizing which source should
  be connected to the load. The LTC4413 contains two isolated low voltage (2.5V to …

Artículos

• Descargar
  Dual Monolithic Ideal Diodes Provide a Single-Chip Power Management Solution &mdash LT Journal
  PDF, 313 Kb, Archivo publicado: marzo 25, 2005
  Extracto del documento

  DESIGN FEATURES Dual Monolithic Ideal Diodes
  Provide a Single-Chip Power
  Management Solution
  Introduction
  The LTC4413 dual monolithic ideal
  diode helps reduce the size and improve the performance of handheld
  and battery operated devices. It packs
  so many features into a tiny package
  that it is possible to build an entire
  power management solution in a
  3mm Г— 3mm footprint. Figure 1 shows
  how simple it is to build a complete
  battery-wall-adapter PowerPathв„ў
  manager.
  Despite its compact size, the
  LTC4413 includes features that are
  necessary in demanding applications,
  including thermal management, short
  circuit protection, and system-level
  power management and control.
  Two isolated p-channel MOSFET
  transistors serve as low voltage (2.5V
  to 5.5V) monolithic ideal diodes. Each …

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Clasificación del fabricante

• Monitor, Control and Protection > PowerPath Controllers & Ideal Diodes

Otros nombres:

LTC4413EDDTRPBF, LTC4413EDD TRPBF