Inicio Gestión de la energía AC/DC & DC/DC converters (integrated FET)
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Gestión de la energía
AC/DC & DC/DC converters (integrated FET)

TPS62813M

ACTIVO

Convertidor reductor de 2.75 V a 6 V y 3 A en encapsulado QFN de 2 mm × 3 mm con temperatura extendi

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TPS62813M

ACTIVO
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Detalles del producto

Iout (max) (A) 3 Vin (min) (V) 2.75 Vin (max) (V) 6 Topology Buck Type Converter Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 4000 Features Enable, Forced PWM, Frequency synchronization, Light load efficiency, Output discharge, Over Current Protection, Power good, Soft Start Adjustable, Spread Spectrum, Synchronous Rectification, Tracking, UVLO adjustable, Wettable flanks package Control mode current mode Vout (min) (V) 0.6 Vout (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -55 to 150 Iq (typ) (A) 0.000015
Iout (max) (A) 3 Vin (min) (V) 2.75 Vin (max) (V) 6 Topology Buck Type Converter Switching frequency (min) (kHz) 1800 Switching frequency (max) (kHz) 4000 Features Enable, Forced PWM, Frequency synchronization, Light load efficiency, Output discharge, Over Current Protection, Power good, Soft Start Adjustable, Spread Spectrum, Synchronous Rectification, Tracking, UVLO adjustable, Wettable flanks package Control mode current mode Vout (min) (V) 0.6 Vout (max) (V) 5.5 Rating Catalog Operating temperature range (°C) -55 to 150 Iq (typ) (A) 0.000015
VQFN-HR (RWY) 9 6 mm² 3 x 2
  • Functional Safety-Capable
  • Extended junction temperature from –55°C to +150°C
  • Input voltage range: 2.75 V to 6 V
  • Family of 1-A, 2-A, 3-A, and 4-A converters
  • Quiescent current: 15 µA typical
  • Output voltage from 0.6 V to 5.5 V
  • Output voltage accuracy ±1% (FPWM operation)
  • Adjustable soft start
  • Start-up at –55°C
  • Forced PWM or PWM and PFM operation
  • Adjustable switching frequency of 1.8 MHz to 4 MHz
  • Precise ENABLE input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • 100% duty cycle mode
  • Active output discharge
  • Spread spectrum clocking - optional
  • Power good output with window comparator
  • Package with wettable flanks
  • Functional Safety-Capable
  • Extended junction temperature from –55°C to +150°C
  • Input voltage range: 2.75 V to 6 V
  • Family of 1-A, 2-A, 3-A, and 4-A converters
  • Quiescent current: 15 µA typical
  • Output voltage from 0.6 V to 5.5 V
  • Output voltage accuracy ±1% (FPWM operation)
  • Adjustable soft start
  • Start-up at –55°C
  • Forced PWM or PWM and PFM operation
  • Adjustable switching frequency of 1.8 MHz to 4 MHz
  • Precise ENABLE input allows
    • User-defined undervoltage lockout
    • Exact sequencing
  • 100% duty cycle mode
  • Active output discharge
  • Spread spectrum clocking - optional
  • Power good output with window comparator
  • Package with wettable flanks

The TPS6281xM is family of pin-to-pin 1-A, 2-A, 3-A, and 4-A synchronous step-down DC/DC converters. All devices offer high efficiency and ease of use. The family of devices is based on a peak current mode control topology. Low-resistive switches allow up to 4-A continuous output current at high ambient temperature. The switching frequency is externally adjustable from 1.8 MHz to 4 MHz and can also be synchronized to an external clock in the same frequency range. The device can automatically enter power save mode (PSM) at light loads to maintain high efficiency across the whole load range. The device provides 1% output voltage accuracy in PWM mode which helps design a power supply with high output voltage accuracy. The SS/TR pin allows the user to set the start-up time or form tracking of the output voltage to an external source, allowing external sequencing of different supply rails and limiting the inrush current during start-up.

The TPS6281xM device is available in a 2-mm × 3-mm VQFN package with wettable flanks.

The TPS6281xM is family of pin-to-pin 1-A, 2-A, 3-A, and 4-A synchronous step-down DC/DC converters. All devices offer high efficiency and ease of use. The family of devices is based on a peak current mode control topology. Low-resistive switches allow up to 4-A continuous output current at high ambient temperature. The switching frequency is externally adjustable from 1.8 MHz to 4 MHz and can also be synchronized to an external clock in the same frequency range. The device can automatically enter power save mode (PSM) at light loads to maintain high efficiency across the whole load range. The device provides 1% output voltage accuracy in PWM mode which helps design a power supply with high output voltage accuracy. The SS/TR pin allows the user to set the start-up time or form tracking of the output voltage to an external source, allowing external sequencing of different supply rails and limiting the inrush current during start-up.

The TPS6281xM device is available in a 2-mm × 3-mm VQFN package with wettable flanks.
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Documentación técnica

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* Data sheet TPS6281xM, Extended Temperature, 2.75-V to 6-V Adjustable-Frequency Step-Down DC/DC Converter datasheet PDF | HTML 09 mar 2021
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 abr 2021
EVM User's guide TPS62810EVM-015 Evaluation Module (Rev. A) PDF | HTML 17 mar 2021
Functional safety information TPS6281xM Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 18 ene 2021
Functional safety information Streamlining Functional Safety Certification in Automotive and Industrial 09 jun 2020
Application brief Powering VCCINT_VCU Rail in Xilinx® Zynq®UltraScale+™ Family of Multiprocessors PDF | HTML 08 jun 2020
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 Understanding 100% mode in low-power DC/DC converters 22 jun 2018

Diseño y desarrollo

Para conocer los términos adicionales o los recursos necesarios, haga clic en cualquier título de abajo para ver la página de detalles cuando esté disponible.

Placa de evaluación

TPS62810EVM-015 — Módulo de evaluación de convertidor reductor

The TPS62810EVM-015 evaluation module (EVM) is designed to help the user easily evaluate and test the operation and functionality of the TPS6281X-Q1 automotive step-down converter family. The EVM converts a 2.7-V to 6.0-V input voltage to a regulated 1.8-V output voltage that delivers up to 4 A.

Guía del usuario: PDF | HTML
No disponible en TI.com
Modelo de simulación

TPS62813-Q1 PSpice Unencrypted Transient Model (Rev. A)

SLVMCZ9A.ZIP (128 KB) - PSpice Model
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Modelo de simulación

TPS62813-Q1 SIMPLIS Transient and Average Model

SLVMD86.ZIP (483 KB) - SIMPLIS Model
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Diseños de referencia

PMP30785 — Diseño de referencia de fuente de alimentación multicarril para sistema de control de conducción par

This reference design shows the performance of a non-isolated automotive power supply for a driving monitoring system for the electronic control unit (ECU). The reference design includes our power portfolio with nine power sockets.
Test report: PDF
Esquema: PDF
Paquete Pasadores Descargar
VQFN-HR (RWY) 9 Ver opciones
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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

Soporte y capacitación

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