Inicio Gestión de la energía Convertidores de CA/CC y CC/CC (FET integrado)
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Gestión de la energía
Convertidores de CA/CC y CC/CC (FET integrado)

TPS62870-Q1

ACTIVO

Convertidor reductor síncrono apilable de 2.7 V a 6 V de entrada y 6 A para automoción

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TPS62870-Q1

ACTIVO
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Detalles del producto

Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 6 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, Light load efficiency, Output discharge, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO Fixed, UVLO fixed, Wettable flanks package EMI features Low parasitic Hotrod packaging, Spread Spectrum Control mode DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 3.3, 3.35 Iq (typ) (µA) 1750 Duty cycle (max) (%) 55
Rating Automotive Operating temperature range (°C) -40 to 125 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 6 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, Light load efficiency, Output discharge, Over Current Protection, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO Fixed, UVLO fixed, Wettable flanks package EMI features Low parasitic Hotrod packaging, Spread Spectrum Control mode DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 3.3, 3.35 Iq (typ) (µA) 1750 Duty cycle (max) (%) 55
VQFN-FCRLF (RXS) 16 9.0525 mm² 2.55 x 3.55
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, T A
  • Functional Safety-Capable
  • 2.7-V to 6-V input voltage range
  • Family of pin-to-pin compatible devices: 6-A, 9-A, 12-A, and 15-A
  • Four output voltage ranges:
    • 0.4-V to 0.71875-V in 1.25-mV steps
    • 0.4-V to 1.0375-V in 2.5-mV steps
    • 0.4-V to 1.675-V in 5-mV steps
    • 0.8-V to 3.35-V in 10-mV steps
  • Output voltage accuracy ±1%
  • 7-mΩ and 4.5-mΩ internal power MOSFETs
  • Adjustable external compensation
  • Resistor-selectable start-up output voltage
  • Resistor-selectable switching frequency
  • Power-save or forced-PWM operation
  • I 2C-compatible interface up to 1-MHz
  • 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 2.55-mm × 3.55-mm × 1-mm VQFN package with wettable flanks
  • –40°C to 150°C junction temperature, T J
  • AEC-Q100 qualified for automotive applications
    • Temperature grade 1: –40°C to +125°C, T A
  • Functional Safety-Capable
  • 2.7-V to 6-V input voltage range
  • Family of pin-to-pin compatible devices: 6-A, 9-A, 12-A, and 15-A
  • Four output voltage ranges:
    • 0.4-V to 0.71875-V in 1.25-mV steps
    • 0.4-V to 1.0375-V in 2.5-mV steps
    • 0.4-V to 1.675-V in 5-mV steps
    • 0.8-V to 3.35-V in 10-mV steps
  • Output voltage accuracy ±1%
  • 7-mΩ and 4.5-mΩ internal power MOSFETs
  • Adjustable external compensation
  • Resistor-selectable start-up output voltage
  • Resistor-selectable switching frequency
  • Power-save or forced-PWM operation
  • I 2C-compatible interface up to 1-MHz
  • 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 2.55-mm × 3.55-mm × 1-mm VQFN package with wettable flanks
  • –40°C to 150°C junction temperature, T J

The TPS6287x -Q1 is a family of pin-to-pin 6-A, 9-A, 12-A, and 15-A synchronous step-down DC/DC converters with differential remote sensing. For each current rating, there are full-featured device variants with I 2C interface and limited-featured device variants without I 2C interface. All devices offer high efficiency and ease of use. Low-resistance power switches allow up to 15-A 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 -Q1 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 1.5 MHz, 2.25 MHz, 2.5 MHz, or 3.0 MHz, or synchronized to an external clock in the same frequency range.

The I 2C-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 I 2C-compatible interface. The default start-up voltage is resistor-selectable through the VSEL pin.

The TPS6287x -Q1 is a family of pin-to-pin 6-A, 9-A, 12-A, and 15-A synchronous step-down DC/DC converters with differential remote sensing. For each current rating, there are full-featured device variants with I 2C interface and limited-featured device variants without I 2C interface. All devices offer high efficiency and ease of use. Low-resistance power switches allow up to 15-A 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 -Q1 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 1.5 MHz, 2.25 MHz, 2.5 MHz, or 3.0 MHz, or synchronized to an external clock in the same frequency range.

The I 2C-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 I 2C-compatible interface. The default start-up voltage is resistor-selectable through the VSEL pin.
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Documentación técnica

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* Data sheet TPS6287x-Q12.7-V to 6-V Input, 6-A, 9-A, 12-A, 15-A, Stackable, Synchronous Step-Down Converters with Fast Transient Response datasheet (Rev. C) PDF | HTML 11 oct 2023
Product overview Mobileye EyeQ™6H – Discrete Power Tree PDF | HTML 07 nov 2024
Analog Design Journal Fixed-frequency DCS-Control: Fast transient response with clock synchronization PDF | HTML 12 feb 2024
Application note QFN and SON PCB Attachment (Rev. C) PDF | HTML 06 dic 2023
Application note Benefiting from Step-Down Converters with an I2C Communication Interface (Rev. B) PDF | HTML 29 nov 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 ene 2023
Application note Adjusting the Output Voltage of a Fixed Output Voltage DC-DC Converter PDF | HTML 22 dic 2022
Product overview Mobileye EyeQ6L – Semi Discrete Power Tree PDF | HTML 05 ago 2022
Application note Understanding SOA Curves to Operate at High Output Currents and Temperature PDF | HTML 05 may 2022
Functional safety information TPS62870-Q1 Functional Safety FIT Rate, FMD and Pin FMA PDF | HTML 02 may 2022
Application note How to Measure Impedance of a Power Distribution Network of a DC-DC Converter PDF | HTML 20 ene 2022
Application note Loop Gain Reconstruction of a Step-Down Converter from Output Impedance PDF | HTML 20 ene 2022
White paper Enabling Higher Data Rates for Optical Modules With Small and Efficient Power 22 mar 2021
White paper Benefits of a Resistor-to-Digital Converter in Ultra-Low Power Supplies 14 oct 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 oct 2017
Analog Design Journal Understanding frequency variation in the DCS-Control(TM) topology 30 oct 2015
Application note Basic Calculation of a Buck Converter's Power Stage (Rev. B) 17 ago 2015
Analog Design Journal Five steps to a great PCB layout for a step-down converter 29 ene 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 ene 2012
Application note Choosing an Appropriate Pull-up/Pull-down Resistor for Open Drain Outputs 19 sep 2011

Diseño y desarrollo

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Placa de evaluación

TPS62873EVM-143 — Módulo de evaluación TPS62873-Q1 de convertidor reductor de entrada de 2.7 V a 6 V

El módulo de evaluación (EVM) TPS62873EVM‑143 está diseñado para evaluar y probar fácilmente el funcionamiento y la funcionalidad del convertidor reductor TPS62873‑Q1. También se puede utilizar para evaluar los dispositivos TPS62870‑Q1, TPS62871‑Q1 y TPS62872-Q1. El EVM convierte una tensión de (...)

Guía del usuario: PDF | HTML
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Placa de evaluación

TPS62873EVM-144 — Módulo de evaluación del convertidor reductor de 30 A TPS62873-Q1

El módulo de evaluación (EVM) TPS62873EVM-144 es un convertidor reductor síncrono de alta frecuencia optimizado para un tamaño reducido de la solución y alta eficiencia. El EVM está diseñado para ayudar al usuario a evaluar y probar fácilmente el funcionamiento y la funcionalidad de una (...)
Guía del usuario: PDF | HTML
No disponible en TI.com
Modelo de simulación

TPS62870x, TPS62871x, TPS62872x, TPS62873x PSpice Encrypted Average Model (Rev. B)

SLVMDQ1B.ZIP (2687 KB) - PSpice Model
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Modelo de simulación

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

SLVMDN7B.ZIP (1710 KB) - SIMPLIS Model
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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN-FCRLF (RXS) 16 Ultra Librarian
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Pedidos y calidad

Información incluida:
  • RoHS
  • REACH
  • Marcado del dispositivo
  • Acabado de plomo/material de la bola
  • Clasificación de nivel de sensibilidad a la humedad (MSL) / reflujo máximo
  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
  • Contenido del material
  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
Información incluida:
  • Lugar de fabricación
  • Lugar de ensamblaje

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