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)

LM63615-Q1

ACTIVO

Convertidor de tensión reductor de 3.5 V a 36 V y 1.5 A con amplio espectro

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LMR43620-Q1 ACTIVO Regulador buck síncrono de 3 V a 36 V, 2 A de baja EMI y baja IQ de grado automotriz 1.5-uA Iq, 2-A current limit, 2-mm x2-mm QFN package

LM63615-Q1

ACTIVO
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Detalles del producto

Rating Automotive Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 1.5 Vin (min) (V) 3.5 Vin (max) (V) 36 Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 2200 Features Enable, Fixed Output, Forced PWM, Frequency synchronization, Light Load Efficiency, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO Fixed Control mode current mode Vout (min) (V) 1 Vout (max) (V) 24 Iq (typ) (µA) 23 Duty cycle (max) (%) 99
Rating Automotive Operating temperature range (°C) -40 to 150 TI functional safety category Functional Safety-Capable Topology Buck Type Converter Iout (max) (A) 1.5 Vin (min) (V) 3.5 Vin (max) (V) 36 Switching frequency (min) (kHz) 250 Switching frequency (max) (kHz) 2200 Features Enable, Fixed Output, Forced PWM, Frequency synchronization, Light Load Efficiency, Power good, Soft Start Fixed, Spread Spectrum, Synchronous Rectification, UVLO Fixed Control mode current mode Vout (min) (V) 1 Vout (max) (V) 24 Iq (typ) (µA) 23 Duty cycle (max) (%) 99
HTSSOP (PWP) 16 32 mm² 5 x 6.4 WSON (DRR) 12 9 mm² 3 x 3
  • AEC-Q100-qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
  • Functional Safety-Capable
  • Supports automotive system requirements
    • Input voltage range: 3.5V to 36V
    • Short 50ns minimum on time
    • Good EMI performance Pseudo-random spread spectrum Compatible with CISPR 25
    • 23µA low operating quiescent current
    • –40°C to +150°C junction temperature range
  • High design flexibility
    • Pin selectable VOUT: 3.3V, 5V, adjustable 1V to 20V
    • Pin compatible with the LM63610 and LM63635 (1A, 3.25A)
    • Pin selectable frequency: 400kHz, 2.1MHz, adjustable 250kHz to 2200kHz
    • Pin selectable FPWM, auto, sync modes
    • TSSOP: thermally enhanced package
    • WSON: for space-constrained applications
  • Small design size
    • As small as 10mm × 10mm for 2.5A, 2.2MHz with WSON package
    • Highly integrated design
    • Low component count
  • AEC-Q100-qualified for automotive applications
    • Device temperature grade 1: –40°C to +125°C ambient operating temperature
  • Functional Safety-Capable
  • Supports automotive system requirements
    • Input voltage range: 3.5V to 36V
    • Short 50ns minimum on time
    • Good EMI performance Pseudo-random spread spectrum Compatible with CISPR 25
    • 23µA low operating quiescent current
    • –40°C to +150°C junction temperature range
  • High design flexibility
    • Pin selectable VOUT: 3.3V, 5V, adjustable 1V to 20V
    • Pin compatible with the LM63610 and LM63635 (1A, 3.25A)
    • Pin selectable frequency: 400kHz, 2.1MHz, adjustable 250kHz to 2200kHz
    • Pin selectable FPWM, auto, sync modes
    • TSSOP: thermally enhanced package
    • WSON: for space-constrained applications
  • Small design size
    • As small as 10mm × 10mm for 2.5A, 2.2MHz with WSON package
    • Highly integrated design
    • Low component count

The LM636x5-Q1 is an easy-to-use, synchronous, step-down DC/DC converter designed for rugged automotive applications. The LM636x5-Q1 can drive up to 1.5A or 2.5A of load current from an input of up to 36V. The converter has high light load efficiency and output accuracy in a small design size. Features such as a RESET flag and precision enable provide both flexible and easy-to-use solutions for a wide range of applications. Automatic frequency foldback at light load improves efficiency while maintaining tight load regulation. Integration eliminates many external components and provides a pinout designed for simple PCB layout. Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection. The LM636x5-Q1 is available in the HTSSOP 16-pin power package, with PowerPAD™ integrated circuit package, and the WSON 12-pin power package.

The LM636x5-Q1 is an easy-to-use, synchronous, step-down DC/DC converter designed for rugged automotive applications. The LM636x5-Q1 can drive up to 1.5A or 2.5A of load current from an input of up to 36V. The converter has high light load efficiency and output accuracy in a small design size. Features such as a RESET flag and precision enable provide both flexible and easy-to-use solutions for a wide range of applications. Automatic frequency foldback at light load improves efficiency while maintaining tight load regulation. Integration eliminates many external components and provides a pinout designed for simple PCB layout. Protection features include thermal shutdown, input undervoltage lockout, cycle-by-cycle current limit, and hiccup short-circuit protection. The LM636x5-Q1 is available in the HTSSOP 16-pin power package, with PowerPAD™ integrated circuit package, and the WSON 12-pin power package.
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Documentación técnica

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* Data sheet LM636x5-Q1 3.5V to 36V , 1.5A, and 2.5A Automotive Step-Down Voltage Converter datasheet (Rev. H) PDF | HTML 11 jun 2024
Functional safety information LM636x5-Q1 Functional Safety FIT Rate, FMD, and Pin FMA (Rev. A) PDF | HTML 25 mar 2024
Functional safety information LM636xx-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA (Rev. E) PDF | HTML 18 mar 2024
Application note Inverting Buck-Boost Application for the LM63615-Q1 PDF | HTML 12 mar 2023
Application note Working with Inverting Buck-Boost Converters (Rev. B) PDF | HTML 18 oct 2022
Selection guide Buck Converter Quick Reference Guide (Rev. B) 08 abr 2021
Application note PCB Thermal Design Tips for Automotive DC/DC Converters PDF | HTML 12 nov 2020
Certificate LM63615QDRREVM EU Declaration of Conformity (DoC) (Rev. A) 15 sep 2020
EVM User's guide LM63615DRREVM EVM User's Guide PDF | HTML 24 jul 2020
Functional safety information Streamlining Functional Safety Certification in Automotive and Industrial 09 jun 2020

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

LM63615QDRREVM — Módulo de evaluación para convertidor de tensión reductor de 3.5 V a 36 V y 1.5 A con amplio espectr

The LM63615QDRREVM evaluation module (EVM) is a fully assembled and tested circuit for evaluating the LM63625-Q1 synchronous step-down converter.
Guía del usuario: PDF | HTML
No disponible en TI.com
Modelo de simulación

LM63615-Q1 PSpice Transient Model

SNVMBR6.ZIP (102 KB) - PSpice Model
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Herramienta de cálculo

SNVC239 — LM636x3Q Component Calculator

Productos y hardware compatibles

Productos y hardware compatibles

Productos
Convertidores de CA/CC y CC/CC (FET integrado)
LM63610-Q1 — Convertidor de tensión reductor de 3.5 V a 36 V y 1.0 A con amplio espectro LM63615-Q1 — Convertidor de tensión reductor de 3.5 V a 36 V y 1.5 A con amplio espectro LM63625-Q1 — Convertidor de tensión reductor de 3.5 V a 36 V y 2.5 A con amplio espectro LM63635-Q1 — Automotive, 3.5V to 36V, 3.25A step-down voltage converter with spread spectrum
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Diseños de referencia

PMP22063 — Diseño de referencia de potencia para pantallas y clústeres de automóviles con capacidad de arranque

This reference design provides the system rails for automotive HUD, center information display, cluster display, or other automotive displays. A 3.3-V bus is generated by an off-battery buck converter. A boost converter provides 3.3-V to 5-V conversion and a buck provides 1.8 V from the 3.3-V (...)
Test report: PDF
Esquema: PDF
Diseños de referencia

PMP22030 — Diseño de referencia de potencia eficiente, de bajo calor y conforme al estándar CISPR 25 clase 5 pa

This reference design is focused on the power tree for an automotive infotainment display unit covering various power supply rails including two off-battery converters providing 5.0-V and 3.3-V, and intermediary system rails of 1.8-V and 1.1-V. The test results demonstrate high efficiency, low (...)
Test report: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
HTSSOP (PWP) 16 Ultra Librarian
WSON (DRR) 12 Ultra Librarian
Se aplican los Términos y condiciones estándar de TI para los elementos de evaluación.

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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