TPS3851H33SQDRBRQ1

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TPS3851H33SQDRBRQ1

IC SUPERVISOR 1 CHANNEL 8SON

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規格

Part Status Active
DigiKey Programmable Not Verified
Type Simple Reset/Power-On Reset
Number of Voltages Monitored 1
Voltage - Threshold 3.3V
Output Open Drain or Open Collector
Reset Active Low
Reset Timeout 170ms Minimum
Operating Temperature -40°C ~ 125°C (TJ)
Mounting Type Surface Mount
Package / Case 8-VDFN Exposed Pad
Supplier Device Package 8-SON (3x3)
Base Product Number TPS3851
Grade Automotive
Qualification AEC-Q100

概述

Description

The TPS3851H33SQDRBRQ1 is a voltage supervisory device designed for automotive applications. It features a high-accuracy voltage monitoring function, primarily for microprocessor-based systems, ensuring reliable operation and protection against voltage anomalies. This device has a fixed threshold of 3.3V and can detect undervoltage conditions, triggering a reset signal to prevent system malfunctions.
Key features include a wide supply voltage range, low quiescent current, and fast response time, making it suitable for energy-efficient designs. The TPS3851H33SQDRBRQ1 also supports various features such as manual reset and adjustable reset timeout periods.
With robust performance in harsh automotive environments, it is qualified to AEC-Q100 standards, ensuring reliability and durability. The device is packaged in a compact form factor, facilitating integration into space-constrained applications. Overall, the TPS3851H33SQDRBRQ1 is an essential component for enhancing the safety and reliability of automotive electronic systems.

Features

The TPS3851H33SQDRBRQ1 is a voltage supervisor designed for automotive applications. Key features include:
1. Precision Voltage Monitoring: Offers a fixed threshold voltage of 3.3V with high accuracy to ensure system reliability.
2. Ultralow Quiescent Current: Designed for low power consumption, making it suitable for energy-sensitive applications.
3. Wide Input Voltage Range: Supports a broad input voltage range, enhancing versatility in automotive systems.
4. Adjustable Delay: Features an adjustable reset delay, providing flexibility in system design.
5. Active-Low Reset Output: Provides a reset output that is asserted low during power-up, brownout, and recovery conditions.
6. Temperature Range: Qualified for automotive applications with an extended operating temperature range (-40°C to 125°C).
7. Robustness: Includes features like glitch immunity and a built-in watchdog for increased reliability.
These features make the TPS3851H33SQDRBRQ1 a reliable choice for monitoring critical voltages in automotive electronic systems.

Package

The TPS3851H33SQDRBRQ1 is packaged in a VQFN (Very Thin Quad Flat No-lead) format, specifically a 6mm x 6mm, 16-pin version. This package type is designed for efficient thermal management and space-saving in compact electronic designs.

Pinout

The TPS3851H33SQDRBRQ1 is a voltage supervisor from Texas Instruments that features a pin count of 8. Its primary function is to monitor voltage levels and provide reset signals for microcontrollers and other digital systems.
Key pins and their functions include:
1. VDD: Power supply input.
2. GND: Ground connection.
3. SENSE: Voltage sensing input.
4. RESET: Active-low reset output.
5. RESET/RESET: Open-drain reset output, active low.
6. NMI: Non-maskable interrupt output (optional).
7. Rising/Falling Selector: Configures the reset signal for rising or falling voltage thresholds.
8. Adjustable Threshold (optional): Enables setting custom reset thresholds.
These features make the TPS3851H33SQDRBRQ1 suitable for applications requiring precise voltage supervision and reset functionalities.

Manufacturer

The TPS3851H33SQDRBRQ1 is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company headquartered in Dallas, Texas. It designs and produces a wide range of integrated circuits and microcontrollers, serving various industries, including automotive, industrial, communications, and consumer electronics. TI is known for its innovation in analog and embedded processing technologies and is a significant player in the electronics industry, focusing on developing solutions that enhance performance and efficiency in electronic systems.

Application

The TPS3851H33SQDRBRQ1 is a voltage supervisor designed for automotive applications. It provides over-voltage and under-voltage detection, enhancing system reliability in various automotive environments. Key application areas include power management in automotive electronics, battery monitoring, and system reset functions in microcontrollers and processors. Its robustness allows it to support safety-critical systems and ensure compliance with automotive standards.

Equivalent

The TPS3851H33SQDRBRQ1 is a voltage supervisor with a fixed 3.3V threshold. Equivalent products include the TPS3808G33, TPS3809G33, and the MAX809, which also offer similar voltage monitoring features. Always check specific datasheets for variations in features and specifications.

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