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TPS3702-Q1

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Detector automotriz de tensión de ventana de alta precisión para monitorización de sobretensión y su

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TPS3702-Q1

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Detalles del producto

Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 1, 1.2, 1.8, 3.3, 5 Features Reset time delay, Separate VDD & sense, Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 0.9 Iq (typ) (mA) 0.006 Output driver type/reset output Active-low, Open-drain Time delay (ms) 5, 10, 100, 200 Supply voltage (min) (V) 2 Supply voltage (max) (V) 18 TI functional safety category Functional Safety-Capable Rating Automotive Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
Number of supplies monitored 1 Threshold voltage 1 (typ) (V) 1, 1.2, 1.8, 3.3, 5 Features Reset time delay, Separate VDD & sense, Undervoltage and overvoltage monitor, Wide input voltage Reset threshold accuracy (%) 0.9 Iq (typ) (mA) 0.006 Output driver type/reset output Active-low, Open-drain Time delay (ms) 5, 10, 100, 200 Supply voltage (min) (V) 2 Supply voltage (max) (V) 18 TI functional safety category Functional Safety-Capable Rating Automotive Watchdog timer WDI (s) None Operating temperature range (°C) -40 to 125
SOT-23-THN (DDC) 6 8.12 mm² 2.9 x 2.8
  • AEC-Q100 Qualified:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Input Voltage Range: 2V to 18V
  • High threshold accuracy:
    • 0.25% (typical)
    • 0.9% (–40°C to 125°C)
  • Fixed window thresholds optimized for nominal rails between 1V and 5V
  • Open-drain outputs for overvoltage and undervoltage indication
  • Internal glitch immunity
  • Threshold adjust using the SET pin
  • Low quiescent current: 7µA (typical)
  • Internal threshold hysteresis: 0.55%, 1.0%
  • SOT-6 package
  • AEC-Q100 Qualified:
    • Device temperature grade 1: –40°C to 125°C ambient operating temperature
    • Device HBM ESD classification level 2
    • Device CDM ESD classification level C4B
  • Input Voltage Range: 2V to 18V
  • High threshold accuracy:
    • 0.25% (typical)
    • 0.9% (–40°C to 125°C)
  • Fixed window thresholds optimized for nominal rails between 1V and 5V
  • Open-drain outputs for overvoltage and undervoltage indication
  • Internal glitch immunity
  • Threshold adjust using the SET pin
  • Low quiescent current: 7µA (typical)
  • Internal threshold hysteresis: 0.55%, 1.0%
  • SOT-6 package

The TPS3702-Q1 is an integrated overvoltage and undervoltage window voltage detector in a small SOT-6 package. This highly accurate voltage detector is an excellent choice for systems that operate on low-voltage supply rails and have narrow margin supply tolerances. Low threshold hysteresis options of 0.55% and 1.0% prevent false reset signals when the monitored voltage supply is in the normal range of operation. Internal glitch immunity and noise filters further eliminate false resets resulting from erroneous signals.

The TPS3702-Q1 does not require any external resistors for setting overvoltage and undervoltage reset thresholds, which further increases overall accuracy and reduces solution size and cost. The SET pin is used to select between the two available threshold voltages designed into each device. A separate SENSE input pin and VDD pin allow for the redundancy sought by safety-critical and high-reliability systems. This device also features independent reset outputs for the OV and UV pins; as a result of the open-drain configuration, UV and OV can be tied together.

This device has a low typical quiescent current specification of 7µA . The TPS3702-Q1 is designed for automotive applications and is qualified for AEC-Q100 Grade 1.

The TPS3702-Q1 is an integrated overvoltage and undervoltage window voltage detector in a small SOT-6 package. This highly accurate voltage detector is an excellent choice for systems that operate on low-voltage supply rails and have narrow margin supply tolerances. Low threshold hysteresis options of 0.55% and 1.0% prevent false reset signals when the monitored voltage supply is in the normal range of operation. Internal glitch immunity and noise filters further eliminate false resets resulting from erroneous signals.

The TPS3702-Q1 does not require any external resistors for setting overvoltage and undervoltage reset thresholds, which further increases overall accuracy and reduces solution size and cost. The SET pin is used to select between the two available threshold voltages designed into each device. A separate SENSE input pin and VDD pin allow for the redundancy sought by safety-critical and high-reliability systems. This device also features independent reset outputs for the OV and UV pins; as a result of the open-drain configuration, UV and OV can be tied together.

This device has a low typical quiescent current specification of 7µA . The TPS3702-Q1 is designed for automotive applications and is qualified for AEC-Q100 Grade 1.
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Documentación técnica

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* Data sheet TPS3702-Q1 Automotive High -Accuracy Over and Undervoltage Monitoring datasheet (Rev. C) PDF | HTML 04 mar 2024
Functional safety information TPS3702-Q1 Functional Safety, FIT Rate, Failure Mode Distribution and Pin FMA (Rev. A) PDF | HTML 01 mar 2021
E-book Voltage Supervisor and Reset ICs: Tips, Tricks and Basics 28 jun 2019
Selection guide Automotive Supervisor and Reset IC Selection Guide 22 feb 2016

Diseño y desarrollo

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Placa de evaluación

TPS3702CX33EVM-683 — Módulo de evaluación TPS3702CX33EVM-683

The TPS3702CX33EVM-683 evaluation module (EVM) helps designers evaluate the operation and performance of the TPS3702, which is a low power, high accuracy over-voltage and under-voltage detector that is available with fixed threshold options. The EVM circuit is configured to be a reference design (...)

Guía del usuario: PDF
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Modelo de simulación

TPS3702CX33 Unencrypted PSpice Transient Model Package (Rev. A)

SBVM438A.ZIP (91 KB) - PSpice Model
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Herramienta de simulación

PSPICE-FOR-TI — PSpice® para herramienta de diseño y simulación de TI

PSpice® for TI is a design and simulation environment that helps evaluate functionality of analog circuits. This full-featured, design and simulation suite uses an analog analysis engine from Cadence®. Available at no cost, PSpice for TI includes one of the largest model libraries in the (...)
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Diseños de referencia

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This camera module reference design addresses the need for small cameras in automotive systems by combining a 2-megapixel imager with a 4-Gbps serializer. Additionally, it provides power supplies and voltage supervision for both devices in an ultra-small form factor. This design includes a (...)
Design guide: PDF
Esquema: PDF
Encapsulado Pines Símbolos CAD, huellas y modelos 3D
SOT-23-THN (DDC) 6 Ultra Librarian
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Pedidos y calidad

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  • Acabado de plomo/material de la bola
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  • Estimaciones de tiempo medio entre fallas (MTBF)/fallas en el tiempo (FIT)
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  • Resumen de calificaciones
  • Monitoreo continuo de confiabilidad
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  • Lugar de fabricación
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