Startseite Energiemanagement DC/DC-Spannungsversorgungsmodul Stromversorgungsmodule (integrierter Induktor)
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Energiemanagement
DC/DC-Spannungsversorgungsmodul
Stromversorgungsmodule (integrierter Induktor)

TPS84320

AKTIV

Synchroner Abwärtswandler, 4,5 bis 14,5 V Eingangsspannung, 3 A, integrierte Stromversorgungslösung

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Datenblatt

TPS84320

AKTIV
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Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Module Iout (max) (A) 3 Vin (min) (V) 4.5 Vin (max) (V) 14.5 Vout (min) (V) 0.8 Vout (max) (V) 5.5 Switching frequency (min) (kHz) 330 Switching frequency (max) (kHz) 780 Features EMI Tested, Enable, Frequency synchronization, Power good, Remote Sense, Tracking Control mode current mode Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 85 Topology Buck Type Module Iout (max) (A) 3 Vin (min) (V) 4.5 Vin (max) (V) 14.5 Vout (min) (V) 0.8 Vout (max) (V) 5.5 Switching frequency (min) (kHz) 330 Switching frequency (max) (kHz) 780 Features EMI Tested, Enable, Frequency synchronization, Power good, Remote Sense, Tracking Control mode current mode Duty cycle (max) (%) 100
B1QFN (RUQ) 47 135 mm² 15 x 9
  • Complete Integrated Power Solution Allows
    Small Footprint, Low-Profile Design
  • Efficiencies Up To 95%
  • Wide-Output Voltage Adjust
    0.8 V to 5.5 V, with 1% Reference Accuracy
  • Optional Split Power Rail Allows
    Input Voltage Down to 1.6 V
  • Adjustable Switching Frequency
    (330 kHz to 780 kHz)
  • Synchronizes to an External Clock
  • Adjustable Slow-Start
  • Output Voltage Sequencing / Tracking
  • Power Good Output
  • Programmable Undervoltage Lockout (UVLO)
  • Overcurrent Protection - Hiccup-Mode
  • Over Temperature Protection
  • Pre-bias Output Start-up
  • Operating Temperature Range: –40°C to 85°C
  • Enhanced Thermal Performance: 13°C/W
  • Meets EN55022 Class B Emissions
  • For Design Help Including SwitcherPro™ visit http://www.ti.com/TPS84320
  • Complete Integrated Power Solution Allows
    Small Footprint, Low-Profile Design
  • Efficiencies Up To 95%
  • Wide-Output Voltage Adjust
    0.8 V to 5.5 V, with 1% Reference Accuracy
  • Optional Split Power Rail Allows
    Input Voltage Down to 1.6 V
  • Adjustable Switching Frequency
    (330 kHz to 780 kHz)
  • Synchronizes to an External Clock
  • Adjustable Slow-Start
  • Output Voltage Sequencing / Tracking
  • Power Good Output
  • Programmable Undervoltage Lockout (UVLO)
  • Overcurrent Protection - Hiccup-Mode
  • Over Temperature Protection
  • Pre-bias Output Start-up
  • Operating Temperature Range: –40°C to 85°C
  • Enhanced Thermal Performance: 13°C/W
  • Meets EN55022 Class B Emissions
  • For Design Help Including SwitcherPro™ visit http://www.ti.com/TPS84320

The TPS84320RUQ is an easy-to-use integrated power solution that combines a 3-A DC/DC converter with power MOSFETs, an inductor, and passives into a low profile, BQFN package. This total power solution allows as few as 3 external components and eliminates the loop compensation and magnetics design process.

The 9×15×2.8 mm BQFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design with up to 95% efficiency and excellent power dissipation with a thermal impedance of 13°C/W junction to ambient. The device delivers the full 3-A rated output current at 85°C ambient temperature without airflow.

The TPS84320 offers the flexibility and the feature-set of a discrete point-of-load design and is ideal for powering performance DSPs and FPGAs. Advanced packaging technology afford a robust and reliable power solution compatible with standard QFN mounting and testing techniques.

The TPS84320RUQ is an easy-to-use integrated power solution that combines a 3-A DC/DC converter with power MOSFETs, an inductor, and passives into a low profile, BQFN package. This total power solution allows as few as 3 external components and eliminates the loop compensation and magnetics design process.

The 9×15×2.8 mm BQFN package is easy to solder onto a printed circuit board and allows a compact point-of-load design with up to 95% efficiency and excellent power dissipation with a thermal impedance of 13°C/W junction to ambient. The device delivers the full 3-A rated output current at 85°C ambient temperature without airflow.

The TPS84320 offers the flexibility and the feature-set of a discrete point-of-load design and is ideal for powering performance DSPs and FPGAs. Advanced packaging technology afford a robust and reliable power solution compatible with standard QFN mounting and testing techniques.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS84320 4.5-V to 14.5-V Input, 3-A Synchronous Buck, Integrated Power Solution datasheet (Rev. B) 10 Apr 2018
Application note Soldering Requirements for BQFN Packages (Rev. C) 05 Mär 2020
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Test report TI Power Reference Design for Xilinx® Artix®-7 (AC701) 12 Mai 2014
User guide PMP7977 User's Guide 11 Sep 2013
Application note AN-1889 How to Measure the Loop Transfer Function of Power Supplies (Rev. A) 23 Apr 2013
Application note Powering TPS84k Devices from 3.3 V 04 Jan 2013
More literature TPS84k Integrated Power Modules Info Card (Rev. A) 28 Aug 2012
User guide TPS84620EVM-692 6-A, Integrated Power Solution EVM (Rev. A) 24 Aug 2011
More literature SEM1600 Topic 4: Constructing Your Power Supply – Layout Considerations 12 Jul 2005
Application note AN-643 EMI/RFI Board Design (Rev. B) 03 Mai 2004

Design und Entwicklung

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
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