Inicio Administración de potencia Reguladores lineales y de baja salida (LDO)

TPS7A53-Q1

ACTIVO

Regulador de LDO, 3 A, VIN baja (1.1 V), bajo nivel de ruido y alta precisión para automoción

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Misma funcionalidad con diferente configuración de pines que el dispositivo comparado
NUEVO TPS7A57-Q1 ACTIVO Automotive, 5A, low-input-voltage, low-noise, high-accuracy low-dropout (LDO) voltage regulator Higher current with lower dropout and superior load transient response

Detalles del producto

Rating Automotive Vin (max) (V) 6.5 Vin (min) (V) 1.1 Iout (max) (A) 3 Output options Adjustable Output Vout (max) (V) 5.15 Vout (min) (V) 0.8 Noise (µVrms) 4.4 PSRR at 100 KHz (dB) 39 Iq (typ) (mA) 3 Features Enable, Foldback Overcurrent protection, Output discharge, Power good, Soft start, Wettable flanks package Thermal resistance θJA (°C/W) 40, 42.5 TI functional safety category Functional Safety-Capable Load capacitance (min) (µF) 22 Regulated outputs (#) 1 Accuracy (%) 1 Dropout voltage (Vdo) (typ) (mV) 110 Operating temperature range (°C) -40 to 150
Rating Automotive Vin (max) (V) 6.5 Vin (min) (V) 1.1 Iout (max) (A) 3 Output options Adjustable Output Vout (max) (V) 5.15 Vout (min) (V) 0.8 Noise (µVrms) 4.4 PSRR at 100 KHz (dB) 39 Iq (typ) (mA) 3 Features Enable, Foldback Overcurrent protection, Output discharge, Power good, Soft start, Wettable flanks package Thermal resistance θJA (°C/W) 40, 42.5 TI functional safety category Functional Safety-Capable Load capacitance (min) (µF) 22 Regulated outputs (#) 1 Accuracy (%) 1 Dropout voltage (Vdo) (typ) (mV) 110 Operating temperature range (°C) -40 to 150
VQFN (RGR) 20 12.25 mm² 3.5 x 3.5 VQFNP (RTK) 20 16 mm² 4 x 4
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified for Automotive Applications
    • Temperature Grade 1: –40°C ≤ TA ≤ +125°C
    • HBM ESD Classification Level 2
    • CDM ESD Classification Level C4A
  • Extended Junction Temperature (TJ) Range: –40°C to +150°C
  • Input Voltage Range:
    • Without BIAS: 1.4 V to 6.5 V
    • With BIAS: 1.1 V to 6.5 V
  • Adjustable Output Voltage Range: 0.8 V to 5.15 V
  • Low Dropout: 180 mV (max) at 3 A With BIAS
  • Output Voltage Noise: 4.4 µVRMS
  • 1% (max) Accuracy Over Line, Load, and Temperature With BIAS
  • Power-Supply Ripple Rejection:
    • 40 dB at 500 kHz
  • Adjustable Soft-Start Inrush Control
  • Open-Drain Power-Good (PG) Output
  • Packages:
    • 3.5-mm × 3.5-mm, 20-Pin VQFN
    • 4-mm × 4-mm, 20-Pin VQFNP with Wettable Flanks and High CTE (12 ppm/ºC) Mold Compound
  • Qualified for Automotive Applications
  • AEC-Q100 Qualified for Automotive Applications
    • Temperature Grade 1: –40°C ≤ TA ≤ +125°C
    • HBM ESD Classification Level 2
    • CDM ESD Classification Level C4A
  • Extended Junction Temperature (TJ) Range: –40°C to +150°C
  • Input Voltage Range:
    • Without BIAS: 1.4 V to 6.5 V
    • With BIAS: 1.1 V to 6.5 V
  • Adjustable Output Voltage Range: 0.8 V to 5.15 V
  • Low Dropout: 180 mV (max) at 3 A With BIAS
  • Output Voltage Noise: 4.4 µVRMS
  • 1% (max) Accuracy Over Line, Load, and Temperature With BIAS
  • Power-Supply Ripple Rejection:
    • 40 dB at 500 kHz
  • Adjustable Soft-Start Inrush Control
  • Open-Drain Power-Good (PG) Output
  • Packages:
    • 3.5-mm × 3.5-mm, 20-Pin VQFN
    • 4-mm × 4-mm, 20-Pin VQFNP with Wettable Flanks and High CTE (12 ppm/ºC) Mold Compound

The TPS7A53-Q1 device is a low-noise (4.4 µVRMS), low-dropout linear regulator (LDO) capable of sourcing 3 A with only 180 mV of maximum dropout. The device output voltage is adjustable from 0.8 V to 5.15 V using an external resistor divider.

The combination of low-noise (4.4 µVRMS), high-PSRR, and high output current capability makes the TPS7A53-Q1 an excellent choice to power noise-sensitive components, such as those found in radar power and infotainment applications. The high performance of this device limits power-supply-generated phase noise and clock jitter, making this device an excellent choice for powering RF amplifiers, radar sensors, and chipsets. Specifically, RF amplifiers benefit from the high-performance and 5.0-V output capability of the device.

For digital loads such as application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), and digital signal processors (DSPs) that require low-input, low-output (LILO) voltage operation, the exceptional accuracy (1% over load and temperature), remote sensing, excellent transient performance, and soft-start capabilities of the TPS7A53-Q1 provide optimal system performance.

The versatility of the TPS7A53-Q1 makes the device a component of choice for many demanding applications.

The TPS7A53-Q1 device is a low-noise (4.4 µVRMS), low-dropout linear regulator (LDO) capable of sourcing 3 A with only 180 mV of maximum dropout. The device output voltage is adjustable from 0.8 V to 5.15 V using an external resistor divider.

The combination of low-noise (4.4 µVRMS), high-PSRR, and high output current capability makes the TPS7A53-Q1 an excellent choice to power noise-sensitive components, such as those found in radar power and infotainment applications. The high performance of this device limits power-supply-generated phase noise and clock jitter, making this device an excellent choice for powering RF amplifiers, radar sensors, and chipsets. Specifically, RF amplifiers benefit from the high-performance and 5.0-V output capability of the device.

For digital loads such as application-specific integrated circuits (ASICs), field-programmable gate arrays (FPGAs), and digital signal processors (DSPs) that require low-input, low-output (LILO) voltage operation, the exceptional accuracy (1% over load and temperature), remote sensing, excellent transient performance, and soft-start capabilities of the TPS7A53-Q1 provide optimal system performance.

The versatility of the TPS7A53-Q1 makes the device a component of choice for many demanding applications.

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TPS7A53A-Q1 ACTIVO Regulador de tensión, 3 A, bajo VIN, bajo nivel de ruido (5.6 µVRMS), alta precisión y caída ultraba Pin-to-pin with the RTK package but with lower noise, improved PSRR and a fixed 1-V output. 

Documentación técnica

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Documentación principal Tipo Título Opciones de formato Fecha
* Data sheet TPS7A53-Q1 3-A, High-Accuracy, Automotive-Grade, Low-Noise, LDO Voltage Regulator datasheet (Rev. B) PDF | HTML 11 jul 2018
White paper Reduce System Noise Using Parallel LDOs PDF | HTML 03 nov 2025
White paper Parallel LDO Architecture Design Using Ballast Resistors PDF | HTML 14 dic 2022
White paper Comprehensive Analysis and Universal Equations for Parallel LDO's Using Ballast PDF | HTML 13 dic 2022
Functional safety information TPS7A53-Q1 Functional Safety FIT Rate, FMD and Pin FMA (Rev. A) PDF | HTML 02 dic 2022
Design guide Automated Parking System Reference Design Using 77-GHz mmWave Sensor 24 ene 2019
More literature Fundamentals of designing with LDOs in auto battery direct connect applications 27 feb 2017

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

TPS7A53EVM-005 — Módulo de evaluación TPS7A53-Q1 para regulador de tensión LDO de 3 A, baja VIN, bajo nivel de ruido

El módulo de evaluación (EVM) TPS7A53EVM-005 está diseñado para una configuración típica para evaluar el funcionamiento y el rendimiento del dispositivo TPS7A53-Q1, que es un regulador de tensión de 3 A de baja caída (LDO) para automoción.

La placa de circuito del EVM está configurada para ser un (...)

Guía del usuario: PDF
Modelo de simulación

TPS7A5301 PSpice Transient Model

SBVM752.ZIP (38 KB) - PSpice Model
Modelo de simulación

TPS7A5301 Unencrypted PSpice Transient Model

SBVM751.ZIP (3 KB) - PSpice Model
Herramienta de cálculo

PARALLEL-LDO-CALC Parallel low-dropout (LDO) calculator

The parallel low-dropout (LDO) calculator is a Microsoft® Excel®-based tool that provides worst-case analysis for parallel LDO regulators using ballast resistors. The tool helps the user identify the minimum number of parallel LDO regulators required and optimum ballast resistance for a (...)

Productos y hardware compatibles

Productos y hardware compatibles

Encapsulado Pines Símbolos CAD, huellas y modelos 3D
VQFN (RGR) 20 Ultra Librarian
VQFNP (RTK) 20 Ultra Librarian

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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Soporte y capacitación

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