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TPS3701

ACTIVO

Detector de tensión de ventana de alta tensión (36 V) con referencia interna para monitorización de

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TPS3701

ACTIVO
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Detalles del producto

Rating Catalog Number of supplies monitored 1, 2 Threshold voltage 1 (typ) (V) 0.4 Features Separate VDD & sense, Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 0.75 Iq (typ) (mA) 0.007 Output driver type/reset output Active-low, Open-drain Time delay (ms) 0 Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
Rating Catalog Number of supplies monitored 1, 2 Threshold voltage 1 (typ) (V) 0.4 Features Separate VDD & sense, Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 0.75 Iq (typ) (mA) 0.007 Output driver type/reset output Active-low, Open-drain Time delay (ms) 0 Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
SOT-23-THN (DDC) 6 8.12 mm² (2.9 mm × 2.8 mm)
  • Wide supply voltage range: 1.8 V to 36 V
  • Adjustable threshold: down to 400 mV
  • Open-drain outputs for over- and undervoltage detection
  • Low quiescent current: 7 µA (Typical)
  • High threshold accuracy:
    • 0.75% Over temperature
    • 0.25% (Typical)
  • Internal hysteresis: 5.5 mV (typical)
  • Temperature range: –40°C to 125°C
  • Package:
    • SOT-6
  • Wide supply voltage range: 1.8 V to 36 V
  • Adjustable threshold: down to 400 mV
  • Open-drain outputs for over- and undervoltage detection
  • Low quiescent current: 7 µA (Typical)
  • High threshold accuracy:
    • 0.75% Over temperature
    • 0.25% (Typical)
  • Internal hysteresis: 5.5 mV (typical)
  • Temperature range: –40°C to 125°C
  • Package:
    • SOT-6

The TPS3701 wide-supply voltage window detector operates over a 1.8-V to 36-V range. The device has two precision comparators with an internal 400-mV reference and two open-drain outputs (OUTA and OUTB) rated to 25 V for over- and undervoltage detection. Use the TPS3701 as a window voltage detector or as two independent voltage monitors; set the monitored voltage with the use of external resistors.

OUTA is driven low when the voltage at the INA pin drops below the negative threshold, and goes high when the voltage returns above the positive threshold. OUTB is driven low when the voltage at the INB pin rises above the positive threshold, and goes high when the voltage drops below the negative threshold. Both comparators in the TPS3701 include built-in hysteresis for noise rejection, thereby ensuring stable output operation without false triggering.

The TPS3701 is available in a SOT-6 package and is specified over the junction temperature range of –40°C to 125°C.

 

The TPS3701 wide-supply voltage window detector operates over a 1.8-V to 36-V range. The device has two precision comparators with an internal 400-mV reference and two open-drain outputs (OUTA and OUTB) rated to 25 V for over- and undervoltage detection. Use the TPS3701 as a window voltage detector or as two independent voltage monitors; set the monitored voltage with the use of external resistors.

OUTA is driven low when the voltage at the INA pin drops below the negative threshold, and goes high when the voltage returns above the positive threshold. OUTB is driven low when the voltage at the INB pin rises above the positive threshold, and goes high when the voltage drops below the negative threshold. Both comparators in the TPS3701 include built-in hysteresis for noise rejection, thereby ensuring stable output operation without false triggering.

The TPS3701 is available in a SOT-6 package and is specified over the junction temperature range of –40°C to 125°C.

 

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Documentación técnica

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Documentación principal Tipo Título Opciones de formato Descargar la versión más reciente en inglés Fecha
* Hoja de datos TPS3701 High voltage (36V) window voltage detector with internal reference for over and undervoltage monitoring datasheet (Rev. C) PDF | HTML 4/02/2019
Nota sobre la aplicación Voltage and Processor Monitoring Solutions in Factory Automation and Control App (Rev. A) 5/08/2021
Nota sobre la aplicación Voltage Supervisors (Reset ICs): Frequently Asked Questions (FAQs) (Rev. A) 17/03/2020
Guía de selección Voltage Supervisors (Reset ICs) Quick Reference Guide (Rev. H) 28/02/2020
Nota sobre la aplicación Split Supply Positive and Negative Dual Voltage Monitoring Solution 11/10/2019
Libro electrónico Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 28/06/2019
Application brief A Voltage Monitor with Diagnostics 9/01/2019
Nota sobre la aplicación Adding Reset Delay to Voltage Detectors 9/10/2018
Libro electrónico The Signal e-book: A compendium of blog posts on op amp design topics PDF | HTML 28/03/2017
Artículo técnico Tips and tricks for optimizing your voltage supervisor PDF | HTML 7/03/2017
Application brief Low-Power Battery Temperature Monitoring 3/03/2017
Artículo técnico How to implement voltage monitoring PDF | HTML 22/07/2015
Artículo técnico Why monitoring voltages matters PDF | HTML 17/06/2015

Diseño y desarrollo

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Placa de evaluación

TPS3700EVM-114 — Módulo de evaluación de detector de tensión de ventana de alta tensión (18 V) TPS3700 para encapsula

The Texas Instruments TPS3700EVM-114 evaluation module (EVM) helps designers evaluate the performance of the TPS3700 high-voltage (18 V), window comparator with overvoltage and undervoltage detection. The EVM has an IC for overvoltage and undervoltage monitoring and header connectors for easy (...)
Guía del usuario: PDF
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Modelo de simulación

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Herramienta de cálculo

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Herramienta de cálculo

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Diseño de referencia

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Many systems require a backup battery to provide power in the event of a power outage.  Switching between the main power and the backup battery power without incurring significant efficiency degradation or cost is a tricky challenge.   This design provides a high accuracy, low (...)

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Diseño de referencia

TIDA-00396 — Monitor de tensión de ventana de alta precisión

This application provides a high accuracy overvoltage and undervoltage flag for a typical 24 V rail with a minimal component count. The high voltage VDD input can withstand up to 36 V, allowing for wide input voltage variations. The total current consumption is less than 20 uA.

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