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

TPS61170

AKTIV

1,2-A-Schalter, 38-V-Hochspannungs-Aufwärtsschaltwandler im 2 x 2 mm QFN-Gehäuse

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Datenblatt

TPS61170

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Vin (min) (V) 3 Vin (max) (V) 18 Topology Boost, Flyback, Forward, SEPIC Type Converter Switching frequency (min) (kHz) 1000 Switching frequency (max) (kHz) 1200 Features Enable, Light Load Efficiency, Nonsynchronous Vout (min) (V) 3 Vout (max) (V) 38 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.0023
Vin (min) (V) 3 Vin (max) (V) 18 Topology Boost, Flyback, Forward, SEPIC Type Converter Switching frequency (min) (kHz) 1000 Switching frequency (max) (kHz) 1200 Features Enable, Light Load Efficiency, Nonsynchronous Vout (min) (V) 3 Vout (max) (V) 38 Rating Catalog Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.0023
WSON (DRV) 6 4 mm² 2 x 2
  • 3-V to 18-V Input Voltage Range
  • High Output Voltage: Up to 38 V
  • 1.2-A Integrated Switch
  • 1.2-MHz Fixed Switching Frequency
  • 12 V at 300 mA and 24 V at 150 mA From
    5-V Input (Typical)
  • Up to 93% Efficiency
  • Output Voltage Reprogramming
  • Skip-Switching Cycle for Output
    Regulation at Light Load
  • Built-in Soft Start
  • 6-Pin, 2-mm × 2-mm QFN Package
  • 3-V to 18-V Input Voltage Range
  • High Output Voltage: Up to 38 V
  • 1.2-A Integrated Switch
  • 1.2-MHz Fixed Switching Frequency
  • 12 V at 300 mA and 24 V at 150 mA From
    5-V Input (Typical)
  • Up to 93% Efficiency
  • Output Voltage Reprogramming
  • Skip-Switching Cycle for Output
    Regulation at Light Load
  • Built-in Soft Start
  • 6-Pin, 2-mm × 2-mm QFN Package

The TPS61170 is a monolithic, high-voltage switching regulator with integrated 1.2-A, 40-V power MOSFET. The device can be configured in several standard switching-regulator topologies, including boost and SEPIC. The device has a wide input-voltage range to support applications with input voltage from multicell batteries or regulated 5-V, 12-V power rails.

The TPS61170 operates at a 1.2-MHz switching frequency, allowing the use of low-profile inductors and low-value ceramic input and output capacitors. External loop compensation components give the user flexibility to optimize loop compensation and transient response. The device has built-in protection features, such as pulse-by-pulse overcurrent limit, soft start, and thermal shutdown.

The FB pin regulates to a reference voltage of 1.229 V. The reference voltage can be lowered using a 1-wire digital interface (Easyscale™ protocol) through the CTRL pin. Alternatively, a pulse width-modulation (PWM) signal can be applied to the CTRL pin. The duty cycle of the signal reduces the feedback reference voltage proportionally.

The TPS61170 is available in a 6-pin 2-mm × 2-mm QFN package, allowing a compact power-supply solution.

The TPS61170 is a monolithic, high-voltage switching regulator with integrated 1.2-A, 40-V power MOSFET. The device can be configured in several standard switching-regulator topologies, including boost and SEPIC. The device has a wide input-voltage range to support applications with input voltage from multicell batteries or regulated 5-V, 12-V power rails.

The TPS61170 operates at a 1.2-MHz switching frequency, allowing the use of low-profile inductors and low-value ceramic input and output capacitors. External loop compensation components give the user flexibility to optimize loop compensation and transient response. The device has built-in protection features, such as pulse-by-pulse overcurrent limit, soft start, and thermal shutdown.

The FB pin regulates to a reference voltage of 1.229 V. The reference voltage can be lowered using a 1-wire digital interface (Easyscale™ protocol) through the CTRL pin. Alternatively, a pulse width-modulation (PWM) signal can be applied to the CTRL pin. The duty cycle of the signal reduces the feedback reference voltage proportionally.

The TPS61170 is available in a 6-pin 2-mm × 2-mm QFN package, allowing a compact power-supply solution.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS61170 1.2-A High-Voltage Boost Converter in 2-mm x 2-mm2 QFN Package datasheet (Rev. D) PDF | HTML 18 Dez 2014
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dez 2023
Application note Basic Calculation of a Boost Converter's Power Stage (Rev. D) PDF | HTML 28 Okt 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
Application note Charging Supercapacitor Banks from USB Type C Port With Boost Converter 17 Jul 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 Input Current Limit Solution for USB-Supplied Power System 03 Aug 2017
Application note Extending the Soft Start Time Without a Soft Start Pin (Rev. B) 15 Jun 2017
Application note Design of UVLO for LM27313 (Rev. B) 08 Apr 2014
Analog Design Journal 4Q 2012 Issue Analog Applications Journal 25 Sep 2012
Analog Design Journal Simple open-circuit protection for boost converters in LED driver applications 25 Sep 2012
Application note How to Design a Boost Converter With the TPS61170 (Rev. C) 06 Jun 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 Load Disconnect for the TPS61170 (Rev. A) 14 Mär 2011
Application note Description Compensating the Current Mode Boost Control Loop 09 Dez 2010
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
EVM User's guide TPS61170EVM-280 User's Guide (Rev. C) 18 Sep 2009
Application note How to Design a SEPIC Converter With the TPS61175 12 Jun 2009
Analog Design Journal Compensating and measuring the DC/DC converter loop that powers a high-power LED 22 Okt 2008
Analog Design Journal Designing DC/DC converters based on SEPIC topology 22 Okt 2008
Analog Design Journal Q4 2008 Issue Analog Applications Journal 22 Okt 2008
EVM User's guide TPS61170EVM-316 (Rev. A) 25 Sep 2008
More literature Seminar 400 Topic 1 - Current-Mode Control of Switching Power Supplies 15 Feb 2001

Design und Entwicklung

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

Evaluierungsplatine

TPS61170EVM-280 — TPS61170 12 V-Eingang, 24 V-Ausgang, 0,34 A – Evaluierungsmodul

The TPS61170EVM-280 facilitates evaluation of the TPS61170 High Voltage 1.2 A Boost Converter. The TPS61170 is monolithic high voltage switching regulator. It can be operated in several of the standard switching configurations, including boost and SEPIC. The 1.2 A, 40 V high (...)

Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Evaluierungsplatine

TPS61170EVM-316 — Evaluierungsmodul TPS61170EVM-316

The TPS61170EVM-316 facilitates evaluation of the TPS61170 1.2A High Voltage Boost Converter in a SEPIC configuration.
Benutzerhandbuch: PDF
Nicht verfügbar auf TI.com
Support-Software

SLVC160 — TPS61170 Design Software

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