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TPS62097-Q1

AKTIV

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

TPS62097-Q1

AKTIV

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 mm × 3 mm)
  • 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 Neueste englische Version herunterladen Datum
* Datenblatt TPS62097-Q1 2-A High Efficiency Step-Down Converter in Wettable Flanks QFN Package datasheet (Rev. A) PDF | HTML 01.12.2017
Anwendungshinweis QFN and SON PCB Attachment (Rev. C) PDF | HTML 06.12.2023
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14.06.2019
Anwendungshinweis Performing Accurate PFM Mode Efficiency Measurements (Rev. A) 11.12.2018
Analog Design Journal Understanding 100% mode in low-power DC/DC converters 22.06.2018
Technischer Artikel Make automatic optical inspection easy thanks to packages with wettable flanks PDF | HTML 23.01.2018
Analog Design Journal Achieving a clean startup by using a DC/DC converter with a precise enable-pin threshold 24.10.2017
Anwendungshinweis Sequencing and Tracking With the TPS621-Family and TPS821-Family (Rev. A) 28.06.2017
Analog Design Journal Testing tips for applying external power to supply outputs without an input voltage 24.10.2016
Anwendungshinweis Optimizing the TPS62097 Output Filter 17.12.2015
Analog Design Journal Understanding frequency variation in the DCS-Control(TM) topology 30.10.2015
Anwendungshinweis Basic Calculation of a Buck Converter's Power Stage (Rev. B) PDF | HTML 17.08.2015
Analog Design Journal Five steps to a great PCB layout for a step-down converter 29.01.2015
Analog Design Journal High-efficiency, low-ripple DCS-Control offers seamless PWM/pwr-save transitions 25.07.2013
Anwendungshinweis How to Measure the Control Loop of DCS-Control Devices (Rev. A) 09.08.2012
Analog Design Journal Design considerations for a resistive feedback divider in a DC/DC converter 26.04.2012
Anwendungshinweis Understanding the Absolute Maximum Ratings of the SW Node (Rev. A) 13.01.2012
Anwendungshinweis Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 19.09.2011
Analog Design Journal IQ: What it is, what it isn’t, and how to use it 17.06.2011

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 (...)
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