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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.

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10个与TPS3851H33EDRBR在技术解决方案中的应用相关的常见问题及解答

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.