A imagem pode ser uma representação.
Veja as especificações para detalhes do produto.
TPS3851H33EDRBR

TPS3851H33EDRBR

Product Overview

Category

The TPS3851H33EDRBR belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and supervising voltage levels in electronic systems.

Characteristics

  • Low-power consumption
  • Wide operating voltage range
  • High accuracy
  • Adjustable threshold voltage
  • Built-in delay timer

Package

The TPS3851H33EDRBR comes in a small outline package (SOT-23) with three pins.

Essence

The essence of the TPS3851H33EDRBR lies in its ability to provide accurate voltage monitoring and supervision, ensuring the reliable operation of electronic systems.

Packaging/Quantity

The product is typically packaged in reels, with each reel containing a specific quantity of TPS3851H33EDRBR units.

Specifications

  • Supply Voltage Range: 2.5V to 6V
  • Threshold Voltage Options: 3.3V
  • Operating Temperature Range: -40°C to +125°C
  • Quiescent Current: 4µA (typical)

Detailed Pin Configuration

The TPS3851H33EDRBR has three pins:

  1. VDD: This pin is connected to the supply voltage.
  2. GND: This pin is connected to the ground.
  3. RESET: This pin outputs a low signal when the monitored voltage falls below the threshold.

Functional Features

  • Undervoltage Detection: The TPS3851H33EDRBR monitors the voltage level and triggers a reset signal when it falls below the set threshold.
  • Adjustable Threshold: The threshold voltage can be adjusted to suit different system requirements.
  • Delay Timer: The built-in delay timer ensures that the reset signal remains active for a specified duration after the voltage returns to the normal range.
  • Power-On Reset: The device generates a reset signal upon power-up to ensure a controlled system startup.

Advantages and Disadvantages

Advantages

  • Low-power consumption makes it suitable for battery-powered applications.
  • Wide operating voltage range allows for compatibility with various systems.
  • High accuracy ensures reliable voltage monitoring.
  • Adjustable threshold voltage provides flexibility in different scenarios.
  • Built-in delay timer prevents false triggering of the reset signal.

Disadvantages

  • Limited number of threshold voltage options may not cater to all voltage level requirements.
  • SOT-23 package may have size limitations for certain applications.

Working Principles

The TPS3851H33EDRBR operates by continuously monitoring the input voltage. When the voltage falls below the set threshold, the device triggers a reset signal. This signal remains active for a specified duration, determined by the built-in delay timer, after the voltage returns to the normal range. The device ensures a controlled system startup by generating a power-on reset signal.

Detailed Application Field Plans

The TPS3851H33EDRBR finds applications in various fields, including but not limited to: - Industrial automation - Automotive electronics - Consumer electronics - Medical devices - Power management systems

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the TPS3851H33EDRBR include: - TPS3839K33DBVR - MAX809TTRG - ADM708TARZ

These models provide voltage supervision capabilities with varying specifications and package options, allowing users to choose the most suitable option for their specific requirements.

Word count: 455 words

Liste 10 perguntas e respostas comuns relacionadas à aplicação de TPS3851H33EDRBR em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of TPS3851H33EDRBR in technical solutions:

Q1: What is TPS3851H33EDRBR? A1: TPS3851H33EDRBR is a voltage supervisor and reset IC manufactured by Texas Instruments.

Q2: What is the purpose of TPS3851H33EDRBR? A2: The purpose of TPS3851H33EDRBR is to monitor the voltage level of a system and generate a reset signal when the voltage falls below a certain threshold.

Q3: What is the operating voltage range of TPS3851H33EDRBR? A3: TPS3851H33EDRBR operates within a voltage range of 1.8V to 5.5V.

Q4: How does TPS3851H33EDRBR ensure accurate voltage monitoring? A4: TPS3851H33EDRBR uses an internal voltage reference and a precision comparator to accurately monitor the voltage level.

Q5: Can TPS3851H33EDRBR be used in battery-powered applications? A5: Yes, TPS3851H33EDRBR can be used in battery-powered applications as it has a low quiescent current consumption.

Q6: Does TPS3851H33EDRBR have any built-in delay for generating the reset signal? A6: Yes, TPS3851H33EDRBR has a programmable delay feature that allows users to set the delay time before generating the reset signal.

Q7: Can TPS3851H33EDRBR be used in automotive applications? A7: Yes, TPS3851H33EDRBR is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

Q8: What is the output type of TPS3851H33EDRBR? A8: TPS3851H33EDRBR has an open-drain output, which allows for flexibility in connecting to different microcontrollers or systems.

Q9: Can TPS3851H33EDRBR be used in harsh environments? A9: Yes, TPS3851H33EDRBR is designed to operate in harsh environments and can withstand high temperatures and voltage transients.

Q10: Are there any additional features of TPS3851H33EDRBR? A10: Yes, TPS3851H33EDRBR includes a power-on reset (POR) function and a manual reset input for system initialization and control.

Please note that these answers are general and may vary depending on the specific application and requirements.