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)

TPS62902-Q1

ACTIVO

Convertidor reductor síncrono de 3 V a 18 V, 2 A y baja IQ para automoción, con una temperatura d

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TPS62902-Q1

ACTIVO
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Detalles del producto

Rating Automotive Operating temperature range (°C) -40 to 165 Topology Buck Type Converter Iout (max) (A) 2 Vin (min) (V) 3 Vin (max) (V) 18 Switching frequency (min) (kHz) 1000 Switching frequency (max) (kHz) 2500 Features Enable, Forced PWM, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO adjustable, Wettable flanks package Control mode DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 5.5 Iq (typ) (µA) 4 Duty cycle (max) (%) 100
Rating Automotive Operating temperature range (°C) -40 to 165 Topology Buck Type Converter Iout (max) (A) 2 Vin (min) (V) 3 Vin (max) (V) 18 Switching frequency (min) (kHz) 1000 Switching frequency (max) (kHz) 2500 Features Enable, Forced PWM, Light Load Efficiency, Output discharge, Over Current Protection, Power good, Soft Start Adjustable, Synchronous Rectification, Tracking, UVLO adjustable, Wettable flanks package Control mode DCS-Control Vout (min) (V) 0.4 Vout (max) (V) 5.5 Iq (typ) (µA) 4 Duty cycle (max) (%) 100
VQFN-HR (RYT) 9 4.4 mm² 2.2 x 2
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, T A
    • Level 2 device HBM ESD classification
    • Level C4B CDM ESD classification
  • Functional Safety-Capable
  • Extended T J range: up to 165°C
  • High efficiency DCS-Control topology
    • R DS(ON): 62-mΩ high side, 22-mΩ low side
    • Seamless PWM/PFM transition
    • Internal compensation
  • 4-µA low I Q (typical)
  • Up to 2-A continuous output current
  • ±1.5% output voltage accuracy across temp
  • Configurable output voltage options:
    • 0.6-V to 5.5-V V FB external divider
    • V SET internal divider
      • 16 options between 0.4 V and 5.5 V
  • Flexibility through the MODE/S-CONF pin
    • 2.5-MHz or 1.0-MHz switching frequency
    • Forced PWM or Auto PFM (power save mode) with dynamic mode change option
    • Output discharge on and off
  • No external bootstrap capacitor required
  • Overcurrent and overtemperature protection
  • 100% duty cycle mode
  • Precise enable input
  • Adjustable soft start and tracking
  • Power-good output
  • Optimized pinout for single-layer routing
  • Wettable 2.2-mm × 2.0-mm VQFN package with 0.5-mm pitch
  • Create a custom design with the TPS62902-Q1 using the WEBENCH Power Designer
  • AEC-Q100 qualified for automotive applications:
    • Temperature grade 1: –40°C to +125°C, T A
    • Level 2 device HBM ESD classification
    • Level C4B CDM ESD classification
  • Functional Safety-Capable
  • Extended T J range: up to 165°C
  • High efficiency DCS-Control topology
    • R DS(ON): 62-mΩ high side, 22-mΩ low side
    • Seamless PWM/PFM transition
    • Internal compensation
  • 4-µA low I Q (typical)
  • Up to 2-A continuous output current
  • ±1.5% output voltage accuracy across temp
  • Configurable output voltage options:
    • 0.6-V to 5.5-V V FB external divider
    • V SET internal divider
      • 16 options between 0.4 V and 5.5 V
  • Flexibility through the MODE/S-CONF pin
    • 2.5-MHz or 1.0-MHz switching frequency
    • Forced PWM or Auto PFM (power save mode) with dynamic mode change option
    • Output discharge on and off
  • No external bootstrap capacitor required
  • Overcurrent and overtemperature protection
  • 100% duty cycle mode
  • Precise enable input
  • Adjustable soft start and tracking
  • Power-good output
  • Optimized pinout for single-layer routing
  • Wettable 2.2-mm × 2.0-mm VQFN package with 0.5-mm pitch
  • Create a custom design with the TPS62902-Q1 using the WEBENCH Power Designer

The TPS62902-Q1 is a highly efficient, small, and flexible synchronous step-down DC/DC converter that is easy to use. A selectable switching frequency of 2.5 MHz or 1.0 MHz allows the use of small inductors and provides fast transient response. The device supports high V OUT accuracy of ± 1.5% across the entire operating temperature range and enhanced load transient performance with the DCS-Control topology. The wide 3-V to 18-V input voltage range supports a variety of nominal inputs, like 12-V supply rails, single-cell or multi-cell Li-Ion, and 5-V or 3.3-V rails.

The TPS62902-Q1 can automatically enter power save mode (if auto PFM or PWM is selected) at light loads to maintain high efficiency. Additionally, to provide high efficiency at very small loads, the device has a low typical quiescent current of 4 µA. AEE, if enabled, provides high efficiency across V IN, V OUT, and load current. The device includes a MODE/Smart-CONF input to set the internal and external divider, switching frequency, output voltage discharge, and automatic power save mode or forced PWM operation.

The TPS62902-Q1 is a highly efficient, small, and flexible synchronous step-down DC/DC converter that is easy to use. A selectable switching frequency of 2.5 MHz or 1.0 MHz allows the use of small inductors and provides fast transient response. The device supports high V OUT accuracy of ± 1.5% across the entire operating temperature range and enhanced load transient performance with the DCS-Control topology. The wide 3-V to 18-V input voltage range supports a variety of nominal inputs, like 12-V supply rails, single-cell or multi-cell Li-Ion, and 5-V or 3.3-V rails.

The TPS62902-Q1 can automatically enter power save mode (if auto PFM or PWM is selected) at light loads to maintain high efficiency. Additionally, to provide high efficiency at very small loads, the device has a low typical quiescent current of 4 µA. AEE, if enabled, provides high efficiency across V IN, V OUT, and load current. The device includes a MODE/Smart-CONF input to set the internal and external divider, switching frequency, output voltage discharge, and automatic power save mode or forced PWM operation.

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Documentación técnica

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* Data sheet TPS62902-Q1 3-V to 18-V, 2-A, Automotive Low IQ Buck Converter with +165°C TJ datasheet PDF | HTML 24 abr 2023
Certificate TPS62902-Q1EVM EU RoHS Declaration of Conformity (DoC) 13 abr 2023
Application note Comparison of TPS629xx-Q1 vs. TPS621x0A-Q1 PDF | HTML 13 dic 2022
Application note Using the TPS6290x in an Inverting Buck – Boost Topology PDF | HTML 12 jul 2022
Functional safety information TPS629xx-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA PDF | HTML 06 may 2022
User guide TPS6290x-Q1 Step-Down Converter Evaluation Module User's Guide PDF | HTML 02 may 2022
Application note How to Best Use TPS62903 for a Given Application Requirement PDF | HTML 13 ago 2021
Application brief Multi-Function Pins for Easy Designing PDF | HTML 07 jul 2021

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

TPS62901-Q1EVM — Módulo de evaluación TPS62901 para convertidor reductor síncrono de 3 V a 18 V, 1 A y baja IQ

El módulo de evaluación (EVM) TPS62902-Q1 (BSR196) facilita la evaluación de los convertidores reductores compatibles pin a pin 1 A, 2 A y 3 A en encapsulados VQFN pequeños de 2.2 mm × 2 mm con flanco húmedo. El BSR196-003 utiliza el TPS62903-Q1 de 3 A para emitir una tensión de salida de 1.2 V a (...)

Guía del usuario: PDF | HTML
No disponible en TI.com
Placa de evaluación

TPS62903-Q1EVM — Módulo de evaluación TPS62903 para convertidor reductor síncrono de 3 V a 18 V, 3 A y baja IQ

El módulo de evaluación (EVM) TPS6290x-Q1 (BSR196) facilita la evaluación de los convertidores reductores compatibles pin a pin TPS6290x-Q1 de 1-A, 2-A y 3-A en encapsulados VQFN pequeños de 2.2 mm x 2 mm con flanco húmedo. El BSR196-003 utiliza el TPS62903-Q1 de 3-A para generar una tensión de (...)
Guía del usuario: PDF | HTML
No disponible en TI.com
Modelo de simulación

TPS62902-Q1 PSPICE Model

SLVME06.ZIP (89 KB) - PSpice Model
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Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN-HR (RYT) 9 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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