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TPS389006-Q1

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Supervisor y monitor de tensión programable I²C multicanal para sobretensión y subtensión en automoc

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TPS389006-Q1

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Detalles del producto

Number of supplies monitored 6 Threshold voltage 1 (typ) (V) 0.2, 0.47, 0.5, 0.53, 0.66, 0.74, 0.75, 0.85, 1, 1.475, 1.68, 1.92, 3.1, 3.5, Adjustable Features Detection time delay, Reset time delay, Separate VDD & sense, Undervoltage and overvoltage monitor Reset threshold accuracy (%) 0.5 Iq (typ) (mA) 1 Output driver type/reset output Active-low, Open-drain Supply voltage (min) (V) 2.5 Supply voltage (max) (V) 5.5 TI functional safety category Functional Safety-Compliant Rating Automotive Operating temperature range (°C) -40 to 125
Number of supplies monitored 6 Threshold voltage 1 (typ) (V) 0.2, 0.47, 0.5, 0.53, 0.66, 0.74, 0.75, 0.85, 1, 1.475, 1.68, 1.92, 3.1, 3.5, Adjustable Features Detection time delay, Reset time delay, Separate VDD & sense, Undervoltage and overvoltage monitor Reset threshold accuracy (%) 0.5 Iq (typ) (mA) 1 Output driver type/reset output Active-low, Open-drain Supply voltage (min) (V) 2.5 Supply voltage (max) (V) 5.5 TI functional safety category Functional Safety-Compliant Rating Automotive Operating temperature range (°C) -40 to 125
WQFN (RTE) 16 9 mm² 3 x 3
  • ASIL-D Functional Safety-Compliant
    • Development target for Functional Safety applications
    • Documentation to aid ISO 26262 system design
    • Systematic capability up to ASIL D
    • Hardware capability up to ASIL D
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C
  • Monitor state-of-the art SOCs
    • ±6 mV threshold accuracy (–40°C to +125°C)
    • Input voltage range: 2.5 V to 5.5 V
    • Undervoltage lockout (UVLO): 2.48 V
    • Low standby quiescent current: 200 µA
    • 6 channels with 2 remote sense
    • Fixed window threshold levels
      • 5 mV steps from 0.2 V to 1.475 V
      • 20 mV steps from 0.8 V to 5.5 V
  • Miniature solution and minimal component cost
    • 3 mm x 3 mm QFN package
    • Adjustable glitch immunity via I 2C
    • User adjustable voltage threshold levels via I 2C
  • Designed for safety applications
    • Active-low open-drain NIRQ output
    • Built-in 8-bit ADC for real-time voltage readouts
    • Cyclic Redundancy Checking (CRC)
    • Packet Error Checking (PEC)
    • Sequence and fault logging
  • Sync function for rail tagging
  • ASIL-D Functional Safety-Compliant
    • Development target for Functional Safety applications
    • Documentation to aid ISO 26262 system design
    • Systematic capability up to ASIL D
    • Hardware capability up to ASIL D
  • AEC-Q100 qualified with the following results:
    • Device temperature grade 1: –40°C to +125°C
  • Monitor state-of-the art SOCs
    • ±6 mV threshold accuracy (–40°C to +125°C)
    • Input voltage range: 2.5 V to 5.5 V
    • Undervoltage lockout (UVLO): 2.48 V
    • Low standby quiescent current: 200 µA
    • 6 channels with 2 remote sense
    • Fixed window threshold levels
      • 5 mV steps from 0.2 V to 1.475 V
      • 20 mV steps from 0.8 V to 5.5 V
  • Miniature solution and minimal component cost
    • 3 mm x 3 mm QFN package
    • Adjustable glitch immunity via I 2C
    • User adjustable voltage threshold levels via I 2C
  • Designed for safety applications
    • Active-low open-drain NIRQ output
    • Built-in 8-bit ADC for real-time voltage readouts
    • Cyclic Redundancy Checking (CRC)
    • Packet Error Checking (PEC)
    • Sequence and fault logging
  • Sync function for rail tagging

The TPS389006-Q1 device is an ASIL-D compliant six-channel window supervisor IC with two remote sense pins available in a 16-pin 3 mm x 3 mm QFN package. This high accuracy multichannel voltage supervisor is designed for systems that operate on low-voltage supply rails and have narrow margin supply tolerances.

Remote sense pins enable a highly accurate voltage measurement on the high current core rail by accounting for voltage drop across PCB traces. I 2C functionality gives flexibility in selecting thresholds, reset delays, glitch filters, and pin functionality. The internal glitch immunity and noise filters eliminate the need for external RC components to reduce false resets resulting from power transients. In addition, device does not require any external resistors for setting overvoltage and undervoltage reset thresholds, which further optimizes overall accuracy, cost, solution size, and improves reliability for safety systems.

This device offers CRC error checking, sequence logging during turn ON or turn OFF, and a built-in ADC for voltage readouts to provide redundant error checking. In addition, TPS389006-Q1 offers a sync feature for tagging rails as they come up. TPS389006-Q1 device also pairs with TI’s power-supply sequencer TPS38700-Q1 to ensure proper power-on sequence in addition to voltage monitoring for ASIL-D level compliance.

The TPS389006-Q1 device is an ASIL-D compliant six-channel window supervisor IC with two remote sense pins available in a 16-pin 3 mm x 3 mm QFN package. This high accuracy multichannel voltage supervisor is designed for systems that operate on low-voltage supply rails and have narrow margin supply tolerances.

Remote sense pins enable a highly accurate voltage measurement on the high current core rail by accounting for voltage drop across PCB traces. I 2C functionality gives flexibility in selecting thresholds, reset delays, glitch filters, and pin functionality. The internal glitch immunity and noise filters eliminate the need for external RC components to reduce false resets resulting from power transients. In addition, device does not require any external resistors for setting overvoltage and undervoltage reset thresholds, which further optimizes overall accuracy, cost, solution size, and improves reliability for safety systems.

This device offers CRC error checking, sequence logging during turn ON or turn OFF, and a built-in ADC for voltage readouts to provide redundant error checking. In addition, TPS389006-Q1 offers a sync feature for tagging rails as they come up. TPS389006-Q1 device also pairs with TI’s power-supply sequencer TPS38700-Q1 to ensure proper power-on sequence in addition to voltage monitoring for ASIL-D level compliance.
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Documentación técnica

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Tipo Título Fecha
* Data sheet TPS389006-Q1 Multichannel Overvoltage and Undervoltage I2C Programmable Voltage Supervisor and Monitor datasheet (Rev. B) PDF | HTML 05 may 2023
Test report Power Delivery Reference Design for AMD Versal™ AI Edge Series PDF | HTML 25 mar 2024
Application note Power Supply Design for AMD Versal™ AI Edge Series PDF | HTML 29 ene 2024
EVM User's guide TPS389006Q1EVM Multichannel Voltage Supervisor with I2C (Rev. B) PDF | HTML 31 jul 2023
Functional safety information TPS389006-Q1 Functional Safety Analysis Report Summary (Rev. A) PDF | HTML 31 may 2023

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

TPS389006Q1EVM — Módulo de evaluación TPS389006 para supervisor de tensión I²C multicanal, de sobretensión y subtensi

El módulo de evaluación (EVM) TPS389006Q1 es una plataforma para evaluar el TPS389006-Q1 de seis canales, que es un supervisor de sobretensión y subtensión integrado con programabilidad I2C. El TPS389006-Q1 está disponible en un encapsulado WQFN de 16 pines. Además, el TPS389006Q1EVM está diseñado (...)

Guía del usuario: PDF | HTML
No disponible en TI.com
Software de aplicación y estructura

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Herramienta de cálculo

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Multi-Channel Threshold Voltage Tool
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Herramienta de diseño

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Herramienta de simulación

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Diseños de referencia

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Test report: PDF
Paquete Pasadores Descargar
WQFN (RTE) 16 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

Foros de TI E2E™ con asistencia técnica de los ingenieros de TI

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