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TPS62097-Q1

AKTIV

Abwärtswandler für die Automobilindustrie, 2 A, in 3x3 QFN mit „Wettable Flanks“

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Datenblatt

TPS62097-Q1

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Automotive Topology Buck Iout (max) (A) 2 Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 3.3, 6 Vout (min) (V) 0.8, 3.3 Features Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Output discharge, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, UVLO Fixed, UVLO fixed, Wettable flanks package Control mode Constant on-time (COT), DCS-Control Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00004 Duty cycle (max) (%) 100
Rating Automotive Topology Buck Iout (max) (A) 2 Vin (max) (V) 6 Vin (min) (V) 2.5 Vout (max) (V) 3.3, 6 Vout (min) (V) 0.8, 3.3 Features Enable, Forced PWM, Light Load Efficiency, Light load efficiency, Output discharge, Power good, Pre-Bias Start-Up, Synchronous Rectification, Tracking, UVLO Fixed, UVLO fixed, Wettable flanks package Control mode Constant on-time (COT), DCS-Control Operating temperature range (°C) -40 to 125 Iq (typ) (A) 0.00004 Duty cycle (max) (%) 100
VQFN (RGT) 16 9 mm² 3 x 3
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Operating Junction Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C6
  • iDCS-Control Topology with Selectable Switching Frequency
  • Forced PWM or Power Save Mode
  • Up to 97% Efficiency
  • 2.5-V to 6.0-V Input Voltage
  • 0.8-V to VIN Adjustable Output Voltage
  • 3.3-V Fixed Output Voltage, TPS6209733-Q1
  • ±1% Output Voltage Accuracy
  • Hiccup Short Circuit Protection
  • Programmable Soft Startup
  • Output Voltage Tracking
  • 100% Duty Cycle for Lowest Dropout
  • Output Discharge
  • Power Good Output
  • Thermal Shutdown Protection
  • Available in 3-mm x 3-mm QFN Package with Wettable Flanks
  • AEC-Q100 Qualified With the Following Results:
    • Device Temperature Grade 1: –40°C to 125°C Operating Junction Temperature Range
    • Device HBM ESD Classification Level 2
    • Device CDM ESD Classification Level C6
  • iDCS-Control Topology with Selectable Switching Frequency
  • Forced PWM or Power Save Mode
  • Up to 97% Efficiency
  • 2.5-V to 6.0-V Input Voltage
  • 0.8-V to VIN Adjustable Output Voltage
  • 3.3-V Fixed Output Voltage, TPS6209733-Q1
  • ±1% Output Voltage Accuracy
  • Hiccup Short Circuit Protection
  • Programmable Soft Startup
  • Output Voltage Tracking
  • 100% Duty Cycle for Lowest Dropout
  • Output Discharge
  • Power Good Output
  • Thermal Shutdown Protection
  • Available in 3-mm x 3-mm QFN Package with Wettable Flanks

The TPS62097-Q1 device is a synchronous step-down converter optimized for high efficiency and noise critical applications. The devices focus on high efficiency 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. The switching frequency is selectable in the range of 1.5 MHz to 2.5 MHz by an external resistor. iDCS-Control is able to be operated in a forced PWM mode for low noise operation with a constant switching frequency.

To address the requirements of system power rails, the internal compensation circuit allows a large selection of external output capacitor values in excess of 150 µF. To control the inrush current during the startup, the device provides a programmable soft startup by an external capacitor connected to the SS/TR pin. The SS/TR pin is also used in voltage tracking configurations. The device integrates short circuit protection, power good and thermal shutdown features.

The TPS62097-Q1 device is a synchronous step-down converter optimized for high efficiency and noise critical applications. The devices focus on high efficiency 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. The switching frequency is selectable in the range of 1.5 MHz to 2.5 MHz by an external resistor. iDCS-Control is able to be operated in a forced PWM mode for low noise operation with a constant switching frequency.

To address the requirements of system power rails, the internal compensation circuit allows a large selection of external output capacitor values in excess of 150 µF. To control the inrush current during the startup, the device provides a programmable soft startup by an external capacitor connected to the SS/TR pin. The SS/TR pin is also used in voltage tracking configurations. The device integrates short circuit protection, power good and thermal shutdown features.

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Technische Dokumentation

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Top-Dokumentation Typ Titel Format-Optionen Datum
* Data sheet TPS62097-Q1 2-A High Efficiency Step-Down Converter in Wettable Flanks QFN Package datasheet (Rev. A) PDF | HTML 01 Dez 2017
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dez 2023
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14 Jun 2019
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
Technical article Make automatic optical inspection easy thanks to packages with wettable flanks PDF | HTML 23 Jan 2018
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 24 Okt 2017
Application note Sequencing and Tracking With the TPS621-Family and TPS821-Family (Rev. A) 28 Jun 2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 24 Okt 2016
Application note Optimizing the TPS62097 Output Filter 17 Dez 2015
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
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 26 Apr 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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Evaluierungsplatine

TPS62097QEVM-891 — TPS62097-Q1 2 A-Abwärtswandler für die Automobilindustrie – Evaluierungsmodul

Das TPS62097QEVM-891 erleichtert die Evaluierung des 2-A-Abwärtswandlers TPS62097-Q1 für die Automobilindustrie mit iDCs-Steuerung, erzwungenem PWM-Modus und wählbarer Schaltfrequenz. Das EVM liefert eine 1,8-V-Ausgangsspannung für Eingangsspannungen von 2,5 V bis 6V. Der TPS62097-Q1 zeichnet sich (...)
Benutzerhandbuch: PDF
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Berechnungstool

SLVC780 — Design Tool for Output Voltage Adjustment Using a DAC

Calculator tool to adjust the power supply's output voltage with an analog input voltage
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