Startseite Energiemanagement AC/DC & DC/DC converters (integrated FET)
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Energiemanagement
AC/DC & DC/DC converters (integrated FET)

TPS61040

AKTIV

Aufwärtswandler mit integriertem Schalter, 28 V, 400 mA, in SOT-23 für LCD- und weiße LED-Anwendunge

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Datenblatt

TPS61040

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Vin (min) (V) 1.8 Vin (max) (V) 6 Topology Boost Type Converter Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 1000 Features Enable, Nonsynchronous Vout (min) (V) 1.8 Vout (max) (V) 28 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000028
Vin (min) (V) 1.8 Vin (max) (V) 6 Topology Boost Type Converter Switching frequency (min) (kHz) 50 Switching frequency (max) (kHz) 1000 Features Enable, Nonsynchronous Vout (min) (V) 1.8 Vout (max) (V) 28 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.000028
SOT-23 (DBV) 5 8.12 mm² 2.9 x 2.8 SOT-23-THN (DDC) 5 8.12 mm² 2.9 x 2.8 WSON (DRV) 6 4 mm² 2 x 2
  • 1.8-V to 6-V Input Voltage Range
  • Adjustable Output Voltage Range up to 28 V
  • 400-mA (TPS61040) and 250-mA (TPS61041) Internal Switch Current
  • Up to 1-MHz Switching Frequency
  • 28-µA Typical No-Load Quiescent Current
  • 1-µA Typical Shutdown Current
  • Internal Soft Start
  • Available in SOT23-5, TSOT23-5, and 2-mm × 2-mm × 0.8-mm WSON Packages
  • 1.8-V to 6-V Input Voltage Range
  • Adjustable Output Voltage Range up to 28 V
  • 400-mA (TPS61040) and 250-mA (TPS61041) Internal Switch Current
  • Up to 1-MHz Switching Frequency
  • 28-µA Typical No-Load Quiescent Current
  • 1-µA Typical Shutdown Current
  • Internal Soft Start
  • Available in SOT23-5, TSOT23-5, and 2-mm × 2-mm × 0.8-mm WSON Packages

The TPS6104x is a high-frequency boost converter dedicated for small to medium LCD bias supply and white LED backlight supplies. The device is ideal to generate output voltages up to 28 V from a dual-cell NiMH/NiCd or a single-cell Li-Ion battery. The part can also be used to generate standard 3.3-V or 5-V to 12-V power conversions.

The TPS6104x operates with a switching frequency up to 1 MHz. This frequency allows the use of small external components using ceramic as well as tantalum output capacitors. Together with the thin WSON package, the TPS6104x gives a very small overall solution size. The TPS61040 device has an internal 400-mA switch current limit, while the TPS61041 device has a 250-mA switch current limit, offering lower output voltage ripple and allows the use of a smaller form factor inductor for lower power applications. The low quiescent current (typically 28 µA) together with an optimized control scheme, allows device operation at very high efficiencies over the entire load current range.

The TPS6104x is a high-frequency boost converter dedicated for small to medium LCD bias supply and white LED backlight supplies. The device is ideal to generate output voltages up to 28 V from a dual-cell NiMH/NiCd or a single-cell Li-Ion battery. The part can also be used to generate standard 3.3-V or 5-V to 12-V power conversions.

The TPS6104x operates with a switching frequency up to 1 MHz. This frequency allows the use of small external components using ceramic as well as tantalum output capacitors. Together with the thin WSON package, the TPS6104x gives a very small overall solution size. The TPS61040 device has an internal 400-mA switch current limit, while the TPS61041 device has a 250-mA switch current limit, offering lower output voltage ripple and allows the use of a smaller form factor inductor for lower power applications. The low quiescent current (typically 28 µA) together with an optimized control scheme, allows device operation at very high efficiencies over the entire load current range.
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Technische Dokumentation

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Alle anzeigen 23
Typ Titel Datum
* Data sheet TPS6104x Low-Power DC-DC Boost Converter in SOT-23 and WSON Packages datasheet (Rev. K) PDF | HTML 08 Jul 2022
Application note Using External Bias to Broaden Input Voltage Range of Boost Converters PDF | HTML 08 Nov 2021
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dez 2018
Selection guide Power Management Guide 2018 (Rev. R) 25 Jun 2018
Application note Optimizing Transient Response of Internally Compensated DC-DC Converters (Rev. B) 29 Nov 2017
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 15 Jun 2017
Application note Feedforward Capacitor Makes Boost Converter Fast and Stable 02 Nov 2016
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 26 Apr 2012
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011
Analog Design Journal 3Q 2010 Issue Analog Applications Journal 11 Aug 2010
Analog Design Journal Coupled inductors broaden DC/DC converter usage 11 Aug 2010
Application note White Light LED Driver With Gradual Dimming (Rev. A) 10 Jan 2007
Application note Extending Battery Life With the TPS61040 Low Power DC-DC Boost Converter 17 Jul 2006
Application note High Voltage Power Supply Using the Highly Integrated TPS61040 17 Jul 2006
Application note Improved Overvoltage Protection for the TPS61040/1 15 Mär 2006
EVM User's guide TPS61040EVM-002 White Light LED Bias Supply EVM (Rev. A) 14 Sep 2004
Application note High Voltage Power Supply Using a Highly Integrated DC/DC Converter (TPS61040) 19 Jun 2003
Application note Single Cell TPS61041 LED Driver 09 Jun 2003
White paper White LED Power Supply Design Techniques 18 Feb 2003
EVM User's guide TPS61045EVM-231: Adjustable LCD Boost Converter EVM 22 Jan 2003
Application note High Voltage Power Supply Using the TPS61040 09 Jul 2002
Application note Extending Battery Life with the TPS61040 White Light LED Driver 03 Mai 2002
EVM User's guide TPS61040EVM-001 Evaluation Module 01 Mär 2002

Design und Entwicklung

Weitere Bedingungen oder erforderliche Ressourcen enthält gegebenenfalls die Detailseite, die Sie durch Klicken auf einen der unten stehenden Titel erreichen.

Evaluierungsplatine

TPS61040EVM-001 — TPS61040 Aufwärtswandler-Evaluierungsmodul für LCD-Stromversorgung, 18V/20mA

The TPS61040EVM-001 is an evaluation tool for the SOT-23 TPS61040 inductive boost converter which can supply voltages up to 28V from input voltages in the range of 1.8V to 6V.

Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Evaluierungsplatine

TPS61040EVM-002 — TPS61040 Aufwärtswandler-Evaluierungsmodul für Versorgung weiße LED

The TPS61040EVM-002 is an evaluation tool for the SOT-23 TPS61040 inductive boost converter which can supply voltages up to 28V from input voltages in the range of 1.8V to 6V.

Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Evaluierungsplatine

TPS61045EVM-231 — TPS61045-Evaluierungsmodul

The TPS61045EVM-231 is an evaluation tool for the TPS61045 inductive boost converter in 3x3mm2 QFN that can supply voltages up to 28V from input voltages in the range of 1.8V to 6V. The EVM is configured to supply a highly efficient, digitally adjustable, 18-V output for LCD bias supplies. This EVM (...)

Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Simulationsmodell

TPS61040 TINA-TI Transient Reference Design

SLVM132.TSC (836 KB) - TINA-TI Reference Design
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Simulationsmodell

TPS61040 TINA-TI Transient Spice Model

SLVM131.ZIP (16 KB) - TINA-TI Spice Model
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Simulationsmodell

TPS61040 Unencrypted PSPICE Transient Model

SLVMDA8.ZIP (2 KB) - PSpice Model
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Simulationsmodell

TPS61040 Unencrypted PSpice Transient Model Package (Rev. A)

SLIM251A.ZIP (39 KB) - PSpice Model
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Stückliste (BOM)

TPS61040EVM-001 Bill of Materials

SLVR187.PDF (220 KB)
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Berechnungstool

TPS6104XCALC — TPS61040 and TPS61041 Worksheet Software Tool

For designers interested in using the TPS61040 or TPS61041, this spreadsheet calculator allows the engineer to determine circuit performance and optimum component values for their designs.
Unterstützte Produkte und Hardware

Unterstützte Produkte und Hardware

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TPS61040 — Aufwärtswandler mit integriertem Schalter, 28 V, 400 mA, in SOT-23 für LCD- und weiße LED-Anwendunge TPS61041 — Aufwärtswandler mit integriertem Schalter, 28 V, 250 mA, in SOT-23 für LCD- und weiße LED-Anwendunge
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Schaltplan: PDF
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Design guide: PDF
Schaltplan: PDF
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This power supply reference design converts an input voltage of 8.5 - 10.5V to an isolated output voltage of 6V with a maximum load current of 80mA.
Test report: PDF
Schaltplan: PDF
Gehäuse Pins Herunterladen
SOT-23 (DBV) 5 Optionen anzeigen
SOT-23-THN (DDC) 5 Optionen anzeigen
WSON (DRV) 6 Optionen anzeigen
Es gelten die allgemeinen Geschäftsbedingungen von TI für Evaluierungsartikel.

Bestellen & Qualität

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  • Bausteinkennzeichnung
  • Blei-Finish/Ball-Material
  • MSL-Rating / Spitzenrückfluss
  • MTBF-/FIT-Schätzungen
  • Materialinhalt
  • Qualifikationszusammenfassung
  • Kontinuierliches Zuverlässigkeitsmonitoring
Beinhaltete Information:
  • Werksstandort
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