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TPS40170-Q1

ACTIVO

Controlador automotriz reductor síncrono de 4.5 V a 60 V con seguimiento de tensión

Se encuentra disponible una versión más nueva de este producto

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Detalles del producto

Vin (min) (V) 4.5 Vin (max) (V) 60 Iout (max) (A) 20 Operating temperature range (°C) -40 to 125 Control mode Voltage mode Rating Automotive Vout (min) (V) 0.6 Vout (max) (V) 57 Iq (typ) (A) 0.0045 Duty cycle (max) (%) 95
Vin (min) (V) 4.5 Vin (max) (V) 60 Iout (max) (A) 20 Operating temperature range (°C) -40 to 125 Control mode Voltage mode Rating Automotive Vout (min) (V) 0.6 Vout (max) (V) 57 Iq (typ) (A) 0.0045 Duty cycle (max) (%) 95
VQFN (RGY) 20 15.75 mm² 4.5 x 3.5
  • New, similar products available:
    • LM5145-Q1 75-V synchronous buck controller with wide input voltage and duty cycle ranges
    • LM5146-Q1 100-V synchronous buck DC/DC controller with wide duty-cycle range
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
    • Device HBM ESD classification level 1C
    • Device CDM ESD classification level C4B
  • Wide-input voltage range from 4.5 V to 60 V
  • 600-mV reference voltage with 1% accuracy
  • Programmable UVLO and hysteresis
  • Voltage-mode control with voltage feed-forward
  • Programmable frequency between 100 kHz and 600 kHz
  • Bidirectional frequency synchronization with primary and secondary option
  • Low-side FET sensing overcurrent protection and high-side fet sensing short-circuit protection with integrated thermal compensation
  • Programmable closed-loop soft start
  • Supports pre-biased outputs
  • Thermal shutdown at 165°C with hysteresis
  • Voltage tracking
  • Power good
  • ENABLE with 1-µA low-current shutdown
  • 8-V and 3.3-V LDO output
  • Integrated bootstrap diode
  • 20-pin 4.5-mm × 3.5-mm VQFN (RGY) package
  • New, similar products available:
    • LM5145-Q1 75-V synchronous buck controller with wide input voltage and duty cycle ranges
    • LM5146-Q1 100-V synchronous buck DC/DC controller with wide duty-cycle range
  • Qualified for automotive applications
  • AEC-Q100 qualified with the following results
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature range
    • Device HBM ESD classification level 1C
    • Device CDM ESD classification level C4B
  • Wide-input voltage range from 4.5 V to 60 V
  • 600-mV reference voltage with 1% accuracy
  • Programmable UVLO and hysteresis
  • Voltage-mode control with voltage feed-forward
  • Programmable frequency between 100 kHz and 600 kHz
  • Bidirectional frequency synchronization with primary and secondary option
  • Low-side FET sensing overcurrent protection and high-side fet sensing short-circuit protection with integrated thermal compensation
  • Programmable closed-loop soft start
  • Supports pre-biased outputs
  • Thermal shutdown at 165°C with hysteresis
  • Voltage tracking
  • Power good
  • ENABLE with 1-µA low-current shutdown
  • 8-V and 3.3-V LDO output
  • Integrated bootstrap diode
  • 20-pin 4.5-mm × 3.5-mm VQFN (RGY) package

The TPS40170-Q1 device is a full-featured, synchronous PWM buck controller that operates at an input voltage between 4.5 V and 60 V and is optimized for high-power-density, high-reliability dc-dc converter applications. The controller implements voltage-mode control with input-voltage feed-forward compensation that enables instant response to an input voltage change. The switching frequency is programmable from 100 kHz to 600 kHz.

The TPS40170-Q1 device has a complete set of system protection and monitoring features such as programmable UVLO, programmable overcurrent protection (OCP) by sensing the low-side FET, selectable short-circuit protection (SCP) by sensing the high-side FET, and thermal shutdown. The ENABLE pin allows for system shutdown in a low-current (1-µA typical) mode. The controller supports pre-biased output, provides an open-drain PGOOD signal, and has closed-loop soft-start, output-voltage tracking, and adaptive dead-time control.

The TPS40170-Q1 device provides accurate output-voltage regulation within 1% accuracy. Additionally, the controller implements a novel scheme of bidirectional synchronization with one controller acting as the primary and other downstream controllers acting as secondaries, synchronized to the primary in-phase or 180° out-of-phase. Secondary controllers can be synchronized to an external clock within ±30% of the free-running switching frequency.

New products (LM5145-Q1 and LM5146-Q1) offer reduced BOM cost, higher efficiency, and reduced design size among many other features.

The TPS40170-Q1 device is a full-featured, synchronous PWM buck controller that operates at an input voltage between 4.5 V and 60 V and is optimized for high-power-density, high-reliability dc-dc converter applications. The controller implements voltage-mode control with input-voltage feed-forward compensation that enables instant response to an input voltage change. The switching frequency is programmable from 100 kHz to 600 kHz.

The TPS40170-Q1 device has a complete set of system protection and monitoring features such as programmable UVLO, programmable overcurrent protection (OCP) by sensing the low-side FET, selectable short-circuit protection (SCP) by sensing the high-side FET, and thermal shutdown. The ENABLE pin allows for system shutdown in a low-current (1-µA typical) mode. The controller supports pre-biased output, provides an open-drain PGOOD signal, and has closed-loop soft-start, output-voltage tracking, and adaptive dead-time control.

The TPS40170-Q1 device provides accurate output-voltage regulation within 1% accuracy. Additionally, the controller implements a novel scheme of bidirectional synchronization with one controller acting as the primary and other downstream controllers acting as secondaries, synchronized to the primary in-phase or 180° out-of-phase. Secondary controllers can be synchronized to an external clock within ±30% of the free-running switching frequency.

New products (LM5145-Q1 and LM5146-Q1) offer reduced BOM cost, higher efficiency, and reduced design size among many other features.

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Documentación técnica

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Tipo Título Fecha
* Data sheet TPS40170-Q1 Automotive 4.5-V to 60-V, Wide-Input, Synchronous PWM Buck Controller datasheet (Rev. C) PDF | HTML 03 nov 2023
Selection guide Automotive Infotainment EE Buck Converter/Controller Selection Guide (Rev. B) 15 abr 2021
White paper An overview of radiated EMI specifications for power supplies 05 jun 2018
White paper An overview of conducted EMI specifications for power supplies 01 feb 2018
Application brief Improve DC/DC Regulator EMI for Free with Optimized Power Stage Layout 13 nov 2017
EVM User's guide TPS40170 with NexFETs 24-V Input, 5 V at 10-A Output Synchronous Buck EVM 07 feb 2014

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

TPS40170EVM-578 — Módulo de evaluación para controlador reductor PWM síncrono TPS40170

The TPS40170EVM-578 evaluation module is a fully assembled and tested circuit for evaluating the TPS40170 Wide Input Synchronous PWM Buck Controller. The TPS40170EVM-578 converts a 10V to 60V input to a 5V output at 6A. The minimum input voltage can be lowered to 6V with a simple UVLO resistor (...)
Guía del usuario: PDF
Modelo de simulación

TPS40170 PSpice Average Model (Rev. A)

SLUM208A.ZIP (152 KB) - PSpice Model
Modelo de simulación

TPS40170 PSpice Unencrypted Transient Model (Rev. C)

SLUM141C.ZIP (90 KB) - PSpice Model
Modelo de simulación

TPS40170 TINA-TI Average Reference Design

SLUM236.TSC (80 KB) - TINA-TI Reference Design
Modelo de simulación

TPS40170 TINA-TI Average Spice Model

SLUM237.ZIP (6 KB) - TINA-TI Spice Model
Modelo de simulación

TPS40170 TINA-TI Transient Reference Design

SLUM184.TSC (883 KB) - TINA-TI Reference Design
Modelo de simulación

TPS40170 TINA-TI Transient Spice Model

SLUM185.ZIP (76 KB) - TINA-TI Spice Model
Diseños de referencia

PMP30101 — Diseño de referencia de prerregulador de 5 V para sector automotriz TPS40170

This buck converter operates over a 6V - 36V input range and delivers 5V @ 8A. The design is optimized for an average current of 5.5A and peak currents up to 10A. The temperature rise at nominal current is about 20K.
Test report: PDF
Esquema: PDF
Diseños de referencia

PMP7233 — Diseño de referencia de simulador de arranque para aplicaciones de automoción

This design is a cranking simulator which generates three different cranking pulses to test automotive systems up to 50W. A microcontroller sets the output voltage of a synchronous buck in the range of 2-15V accordingly to the programmed curves. Output current is in the range of 3.3-25A. It is a (...)
Test report: PDF
Esquema: PDF
Paquete Pasadores Descargar
VQFN (RGY) 20 Ver opciones

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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