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AC/DC- und DC/DC-Wandler (integrierter FET)

TPS61070

AKTIV

Einstellbarer, 600 mA-Schalter, 1200 kHz-Aufwärtswandler in ThinSOT-23 mit Stromsparmodus

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Datenblatt

TPS61070

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Boost Type Converter Vin (min) (V) 0.9 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 960 Switching frequency (max) (kHz) 1440 Features Load Disconnect, Synchronous Rectification Vout (min) (V) 1.8 Vout (max) (V) 5.5 Iq (typ) (µA) 19 Duty cycle (max) (%) 100 Switch current limit (typ) (A) 0.7
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Boost Type Converter Vin (min) (V) 0.9 Vin (max) (V) 5.5 Switching frequency (min) (kHz) 960 Switching frequency (max) (kHz) 1440 Features Load Disconnect, Synchronous Rectification Vout (min) (V) 1.8 Vout (max) (V) 5.5 Iq (typ) (µA) 19 Duty cycle (max) (%) 100 Switch current limit (typ) (A) 0.7
SOT-23-THN (DDC) 6 8.12 mm² 2.9 x 2.8
  • 90% Efficient Synchronous Boost Converter
    • 75-mA Output Current at 3.3 V From 0.9-V
      Input
    • 150-mA Output Current at 3.3 V From 1.8-V
      Input
  • Device Quiescent Current: 19 µA (Typ)
  • Input Voltage Range: 0.9 V to 5.5 V
  • Adjustable Output Voltage Up to 5.5 V
  • Power-Save Mode Version Available for
    Improved Efficiency at Low Output Power
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Small 6-Pin Thin SOT23 Package
  • 90% Efficient Synchronous Boost Converter
    • 75-mA Output Current at 3.3 V From 0.9-V
      Input
    • 150-mA Output Current at 3.3 V From 1.8-V
      Input
  • Device Quiescent Current: 19 µA (Typ)
  • Input Voltage Range: 0.9 V to 5.5 V
  • Adjustable Output Voltage Up to 5.5 V
  • Power-Save Mode Version Available for
    Improved Efficiency at Low Output Power
  • Load Disconnect During Shutdown
  • Overtemperature Protection
  • Small 6-Pin Thin SOT23 Package

The TPS6107x devices provide a power supply solution for products powered by either a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-ion or Li-polymer battery. Output currents can go as high as 75 mA while using a single-cell alkaline, and discharge it down to 0.9 V. It can also be used for generating 5 V at 200 mA from a 3.3-V rail or a Li-ion battery. The boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. At low load currents the TPS61070 and TPS61073 enter the power-save mode to maintain a high efficiency over a wide load current range. The power-save mode is disabled in the TPS61071 and TPS61072, forcing the converters to operate at a fixed switching frequency. The maximum peak current in the boost switch is typically limited to a value of 600 mA.

The TPS6107x output voltage is programmed by an external resistor divider. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. The device is packaged in a 6-pin thin SOT23 package (DDC).

For all available packages, see the orderable addendum at the end of the datasheet.

The TPS6107x devices provide a power supply solution for products powered by either a one-cell, two-cell, or three-cell alkaline, NiCd or NiMH, or one-cell Li-ion or Li-polymer battery. Output currents can go as high as 75 mA while using a single-cell alkaline, and discharge it down to 0.9 V. It can also be used for generating 5 V at 200 mA from a 3.3-V rail or a Li-ion battery. The boost converter is based on a fixed frequency, pulse-width-modulation (PWM) controller using a synchronous rectifier to obtain maximum efficiency. At low load currents the TPS61070 and TPS61073 enter the power-save mode to maintain a high efficiency over a wide load current range. The power-save mode is disabled in the TPS61071 and TPS61072, forcing the converters to operate at a fixed switching frequency. The maximum peak current in the boost switch is typically limited to a value of 600 mA.

The TPS6107x output voltage is programmed by an external resistor divider. The converter can be disabled to minimize battery drain. During shutdown, the load is completely disconnected from the battery. The device is packaged in a 6-pin thin SOT23 package (DDC).

For all available packages, see the orderable addendum at the end of the datasheet.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS6107x 90% Efficient Synchronous Boost Converter With 600-mA Switch datasheet (Rev. E) PDF | HTML 25 Mär 2015
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. D) PDF | HTML 28 Okt 2022
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 Five Steps to a Good PCB Layout of the Boost Converter PDF | HTML 03 Mai 2016
Analog Design Journal Accurately measuring efficiency of ultralow-IQ devices 22 Jan 2014
Analog Design Journal 2Q 2012 Issue Analog Applications Journal 26 Apr 2012
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
Application note TPS61020 Boost Converter Start-Up and Precharge 28 Jan 2010
Application note Minimizing Ringing at the Switch Node of a Boost Converter 15 Sep 2006
Application note Reducing Output Ripple Voltage of TPS61070 07 Jun 2005
Application note Single-cell Battery Discharge Characteristics Using the TPS61070 Boost Converter 24 Aug 2004

Design und Entwicklung

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

Evaluierungsplatine

TPS61070EVM-062 — TPS61070-Evaluierungsmodul

The TPS61070EVM-062 is an evaluation tool for the TPS61070 inductive step-up converter IC. The TPS61070 integrated boost converter can supply voltages up to 5.5V from an input of 0.9-V to 5.5-V and is packaged in a 6-pin thin SOT23. The TPS61070EVM-062 is set up to provide a 5-V output. By (...)

Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Simulationsmodell

Unencrypted TPS61070 PSpice Transient Model Package (Rev. B)

SLVMB37B.ZIP (71 KB) - PSpice Model
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Gerberdatei

Gerber Files for TPS61070EVM

SLVC129.ZIP (86 KB)
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Referenzdesigns

TIDA-01236 — Referenzdesign zur Verlängerung der Laufzeit von Knopfzellenbatterieanwendungen im drahtlosen Ultras

This reference design demonstrates a low-power wireless sensor which detects gas leaks by analyzing the ultrasonic spectrum for particular signatures. The system is designed to operate from a single Li-Primary coin cell and communicate wirelessly to a base station, which removes all requirements (...)
Design guide: PDF
Schaltplan: PDF
Referenzdesigns

PMP8523 — 5,0 V @ 70 mA Aufwärtswandler

This design is a boost converter which delivers an output voltage of 5.0V @ 70mA at an input of 3.3V. PMP8523 was designed to fit industrial applications.
Test report: PDF
Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
SOT-23-THN (DDC) 6 Ultra Librarian
Es gelten die allgemeinen Geschäftsbedingungen von TI für Evaluierungsartikel.

Bestellen & Qualität

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