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

TPS62082

AKTIV

1,2-A-Abwärtswandler mit hohem Wirkungsgrad in 2 x 2 mm großem SON-Gehäuse 3,3 Vout (Min.)

Eine neuere Version dieses Produkts ist verfügbar

Gleiche Funktionalität, andere Pinbelegung als verglichener Baustein
TPS62825 AKTIV 2,4-V- bis 5,5-V-Eingang, 2-A-Abwärtswandler mit 1 % Genauigkeit in 1,5 mm x 1,5-mm-QFN Smaller 1.5-mm x 1.5-mm QFN pin-to-pin compatible family 1 A, 2 A, 3 A and 4 A

Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 1.2 Vin (min) (V) 2.3 Vin (max) (V) 6 Switching frequency (min) (kHz) 2000 Switching frequency (max) (kHz) 2000 Features Enable, Light load efficiency, Load Disconnect, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO fixed Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 3.3 Vout (max) (V) 3.3 Iq (typ) (µA) 6 Duty cycle (max) (%) 100
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 1.2 Vin (min) (V) 2.3 Vin (max) (V) 6 Switching frequency (min) (kHz) 2000 Switching frequency (max) (kHz) 2000 Features Enable, Light load efficiency, Load Disconnect, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Synchronous Rectification, UVLO fixed Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 3.3 Vout (max) (V) 3.3 Iq (typ) (µA) 6 Duty cycle (max) (%) 100
WSON (DSG) 8 4 mm² 2 x 2
  • DCS-Control™ Architecture for Fast Transient Regulation
  • Snooze Mode for 6.5-µA Ultra Low Quiescent Current
  • 2.3-V to 6-V Input Voltage Range
  • 100% Duty Cycle for Lowest Dropout
  • Power Save Mode for Light-Load Efficiency
  • Output Discharge Function
  • Short-Circuit Protection
  • Power-Good Output
  • Thermal Shutdown
  • Available in 2-mm × 2-mm 8-Pin WSON Package
  • DCS-Control™ Architecture for Fast Transient Regulation
  • Snooze Mode for 6.5-µA Ultra Low Quiescent Current
  • 2.3-V to 6-V Input Voltage Range
  • 100% Duty Cycle for Lowest Dropout
  • Power Save Mode for Light-Load Efficiency
  • Output Discharge Function
  • Short-Circuit Protection
  • Power-Good Output
  • Thermal Shutdown
  • Available in 2-mm × 2-mm 8-Pin WSON Package

The TPS6208x devices are a family of high frequency synchronous step down converters. With an input voltage range of 2.3 V to 6 V, common battery technologies are supported. Alternatively, the device can be used for low voltage system power rails.

The TPS6208x focuses on high efficiency step-down conversion over a wide output current range. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current range. To maintain high efficiency at very low load or no load currents, a Snooze Mode with an ultra-low quiescent current is implemented. This function, enabled by the MODE pin, increases the run-time of battery driven applications and keeps the standby current at its lowest level to meet green energy standards targeting a low stand-by current.

To address the requirements of system power rails, the internal loop compensation allows a large selection of external output capacitor values in excess of 100 µF. With its DCS-Control™ architecture, excellent load transient performance and output voltage regulation accuracy is achieved. The device is available in 2-mm × 2-mm WSON package with Thermal PAD.

The TPS6208x devices are a family of high frequency synchronous step down converters. With an input voltage range of 2.3 V to 6 V, common battery technologies are supported. Alternatively, the device can be used for low voltage system power rails.

The TPS6208x focuses on high efficiency step-down conversion over a wide output current range. At medium to heavy loads, the converter operates in PWM mode and automatically enters Power Save Mode operation at light load currents to maintain high efficiency over the entire load current range. To maintain high efficiency at very low load or no load currents, a Snooze Mode with an ultra-low quiescent current is implemented. This function, enabled by the MODE pin, increases the run-time of battery driven applications and keeps the standby current at its lowest level to meet green energy standards targeting a low stand-by current.

To address the requirements of system power rails, the internal loop compensation allows a large selection of external output capacitor values in excess of 100 µF. With its DCS-Control™ architecture, excellent load transient performance and output voltage regulation accuracy is achieved. The device is available in 2-mm × 2-mm WSON package with Thermal PAD.

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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS6208x 1.2-A High-Efficiency, Step-Down Converter With DCS-Control and Snooze Mode datasheet (Rev. F) PDF | HTML 16 Nov 2016
White paper Understanding Functional Safety FIT Base Failure Rate Estimates per IEC 62380 and SN 29500 (Rev. A) PDF | HTML 30 Apr 2024
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dez 2023
Application note Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11 Dez 2018
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 22 Jun 2018
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 24 Okt 2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 24 Okt 2016
Application note TPS6208x and TLV6208x Device Comparison 04 Okt 2016
Analog Design Journal Understanding frequency variation in the DCS-Control(TM) topology 30 Okt 2015
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 17 Aug 2015
Analog Design Journal Five steps to a great PCB layout for a step-down converter 29 Jan 2015
Analog Design Journal High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions 25 Jul 2013
Application note How to Measure the Control Loop of DCS-Control Devices (Rev. A) 09 Aug 2012
Application note Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 13 Jan 2012
Application note Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 19 Sep 2011
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17 Jun 2011

Design und Entwicklung

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Benutzerhandbuch: PDF
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Benutzerhandbuch: PDF | HTML
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Benutzerhandbuch: PDF
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Benutzerhandbuch: PDF
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Benutzerhandbuch: PDF
Evaluierungsplatine

TUSB320EVM — TUSB320-Evaluierungsmodul (EVM)

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Benutzerhandbuch: PDF
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Simulationsmodell

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SLVM526B.ZIP (100 KB) - PSpice Model
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Referenzdesigns

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Referenzdesigns

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Gehäuse Pins CAD-Symbole, Footprints und 3D-Modelle
WSON (DSG) 8 Ultra Librarian

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