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

TPS62872

AKTIV

Synchroner Abwärtswandler, 6 V, 12 A, stapelbar

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Datenblatt

TPS62872

AKTIV
Datenblatt Jetzt bestellen

Produktdetails

Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 12 Vin (min) (V) 2.7 Vin (max) (V) 6 Switching frequency (min) (kHz) 1500 Switching frequency (max) (kHz) 3000 Features Adaptive/Dynamic Voltage Scaling, Differential Remote Sense, Enable, Fixed Output, Forced PWM, Frequency synchronization, I2C/PMBus, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO Fixed, Wettable flanks package Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 3.35 Duty cycle (max) (%) 70
Rating Catalog Operating temperature range (°C) -40 to 125 Topology Buck Type Converter Iout (max) (A) 12 Vin (min) (V) 2.7 Vin (max) (V) 6 Switching frequency (min) (kHz) 1500 Switching frequency (max) (kHz) 3000 Features Adaptive/Dynamic Voltage Scaling, Differential Remote Sense, Enable, Fixed Output, Forced PWM, Frequency synchronization, I2C/PMBus, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Pre-Bias Start-Up, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO Fixed, Wettable flanks package Control mode Constant on-time (COT), DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 3.35 Duty cycle (max) (%) 70
VQFN-FCRLF (RXS) 16 9.0525 mm² 2.55 x 3.55
  • Functional Safety-Capable
  • 2.7V to 6V input voltage range
  • 6A, 9A, 12A, and 15A family of pin-to-pin compatible device
  • Four output voltage ranges:
    • 0.4V to 0.71875V in 1.25mV steps
    • 0.4V to 1.0375V in 2.5mV steps
    • 0.4V to 1.675V in 5mV steps
    • 0.8V to 3.35V in 10mV steps
  • Output voltage accuracy ±1%
  • 7mΩ and 4.5mΩ internal power MOSFETs
  • Adjustable external compensation
  • Resistor-selectable start-up output voltage
  • Resistor-selectable switching frequency
  • Power-save or forced-PWM operation
  • I2C-compatible interface up to 1MHz
  • Differential remote sensing
  • Optional stacked operation for increased output current capability
  • Thermal warning and thermal shutdown
  • Precise enable input
  • Active output discharge
  • Optional spread-spectrum clocking
  • Power-good output with a window comparator
  • Available in 2.55mm × 3.55mm × 1mm VQFN package with wettable flanks
  • –40°C to 125°C junction temperature, TJ
  • Functional Safety-Capable
  • 2.7V to 6V input voltage range
  • 6A, 9A, 12A, and 15A family of pin-to-pin compatible device
  • Four output voltage ranges:
    • 0.4V to 0.71875V in 1.25mV steps
    • 0.4V to 1.0375V in 2.5mV steps
    • 0.4V to 1.675V in 5mV steps
    • 0.8V to 3.35V in 10mV steps
  • Output voltage accuracy ±1%
  • 7mΩ and 4.5mΩ internal power MOSFETs
  • Adjustable external compensation
  • Resistor-selectable start-up output voltage
  • Resistor-selectable switching frequency
  • Power-save or forced-PWM operation
  • I2C-compatible interface up to 1MHz
  • Differential remote sensing
  • Optional stacked operation for increased output current capability
  • Thermal warning and thermal shutdown
  • Precise enable input
  • Active output discharge
  • Optional spread-spectrum clocking
  • Power-good output with a window comparator
  • Available in 2.55mm × 3.55mm × 1mm VQFN package with wettable flanks
  • –40°C to 125°C junction temperature, TJ

The TPS6287x is a family of pin-to-pin 6A, 9A, 12A, and 15A synchronous step-down DC/DC converters with differential remote sensing. For each current rating, there are full-featured device variants with I2C interface and limited-featured device variants without I2C interface. All devices offer high efficiency and ease of use. Low-resistance power switches allow up to 15A continuous output current at high ambient temperatures.

The devices can operate in stacked mode to deliver higher output currents or to spread the power dissipation across multiple devices.

The TPS6287x family implements an enhanced DCS-control scheme that supports fast transients with fixed-frequency operation. Devices can operate in power save mode for maximum efficiency, or forced-PWM mode for the best transient performance and lowest output voltage ripple.

An optional remote sensing feature maximizes voltage regulation at the point-of-load, and the device achieves better than ±1% DC voltage accuracy under all operating conditions.

The switching frequency is resistor-selectable through the FSEL pin. The switching frequency can be set to 1.5MHz, 2.25MHz, 2.5MHz, or 3.0MHz, or synchronized to an external clock in the same frequency range.

The I2C-compatible interface offers several control, monitoring, and warning features, such as voltage monitoring and temperature-related warnings. The output voltage can be quickly adjusted to adapt the power consumption of the load to the performance needs of the application through the I2C-compatible interface. The default start-up voltage is resistor-selectable through the VSEL pin.

The TPS6287x is a family of pin-to-pin 6A, 9A, 12A, and 15A synchronous step-down DC/DC converters with differential remote sensing. For each current rating, there are full-featured device variants with I2C interface and limited-featured device variants without I2C interface. All devices offer high efficiency and ease of use. Low-resistance power switches allow up to 15A continuous output current at high ambient temperatures.

The devices can operate in stacked mode to deliver higher output currents or to spread the power dissipation across multiple devices.

The TPS6287x family implements an enhanced DCS-control scheme that supports fast transients with fixed-frequency operation. Devices can operate in power save mode for maximum efficiency, or forced-PWM mode for the best transient performance and lowest output voltage ripple.

An optional remote sensing feature maximizes voltage regulation at the point-of-load, and the device achieves better than ±1% DC voltage accuracy under all operating conditions.

The switching frequency is resistor-selectable through the FSEL pin. The switching frequency can be set to 1.5MHz, 2.25MHz, 2.5MHz, or 3.0MHz, or synchronized to an external clock in the same frequency range.

The I2C-compatible interface offers several control, monitoring, and warning features, such as voltage monitoring and temperature-related warnings. The output voltage can be quickly adjusted to adapt the power consumption of the load to the performance needs of the application through the I2C-compatible interface. The default start-up voltage is resistor-selectable through the VSEL pin.
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Technische Dokumentation

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Typ Titel Datum
* Data sheet TPS6287x 2.7V to 6V Input, 6A, 9A, 12A, 15A, Stackable, Synchronous Step-Down Converters With Fast Transient Response datasheet (Rev. B) PDF | HTML 31 Mai 2024
Analog Design Journal Fixed-frequency DCS-Control: Fast transient response with clock synchronization PDF | HTML 12 Feb 2024
Functional safety information TPS6287x Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 23 Jan 2024
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 Dez 2023
Application note Benefiting from Step-Down Converters with an I2C Communication Interface (Rev. B) PDF | HTML 29 Nov 2023
Application note AM68x Processor Power Solutions Using LP87334E PMIC for Industrial Applications PDF | HTML 14 Mär 2023
Application note Using the Filters with the DC/DC Step-Down Converter PDF | HTML 02 Feb 2023
Application note Operating TPS6287X-Q1 Devices in a Stacked Configuration PDF | HTML 30 Jan 2023
Application note Adjusting the Output Voltage of a Fixed Output Voltage DC-DC Converter PDF | HTML 22 Dez 2022
EVM User's guide TPS62873 Dual Buck Converter Evaluation Module (Rev. A) PDF | HTML 04 Nov 2022
Application note Understanding SOA Curves to Operate at High Output Currents and Temperature PDF | HTML 05 Mai 2022
User guide TPS62873 Buck Converter Evaluation Module User's Guide PDF | HTML 22 Feb 2022
Application note How to Measure Impedance of a Power Distribution Network of a DC-DC Converter PDF | HTML 20 Jan 2022
Application note Loop Gain Reconstruction of a Step-Down Converter from Output Impedance PDF | HTML 20 Jan 2022
White paper Enabling Higher Data Rates for Optical Modules With Small and Efficient Power 22 Mär 2021
White paper Benefits of a Resistor-to-Digital Converter in Ultra-Low Power Supplies 14 Okt 2019
Analog Design Journal Methods of output-voltage adjustment for DC/DC converters 14 Jun 2019
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 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 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

Design und Entwicklung

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Evaluierungsplatine

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Evaluierungsplatine

TPS62873EVM-144 — Evaluierungsmodul für den 30-A-Abwärtswandler TPS62873-Q1

Das Evaluierungsmodul (EVM) TPS62873EVM-144 ist ein synchroner Abwärtswandler mit hoher Frequenz, der für eine kleine Lösungsgröße und einen hohen Wirkungsgrad ausgelegt ist. Das EVM unterstützt den Benutzer bei der einfachen Evaluierung und Prüfung des Betriebs und der Funktionalität einer (...)
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Simulationsmodell

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Simulationsmodell

TPS62870x, TPS62871x, TPS62872x, TPS62873x SIMPLIS Encrypted Transient and Average Model (Rev. B)

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