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TPS3851G30EDRBR

TPS3851G30EDRBR

Overview

Product Category

The TPS3851G30EDRBR belongs to the category of voltage supervisors or monitors.

Use

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

Characteristics

  • The TPS3851G30EDRBR is a highly accurate voltage supervisor with a fixed threshold voltage.
  • It operates over a wide input voltage range, making it suitable for various applications.
  • This device offers a precise power-on reset signal during power-up and power-down sequences.
  • It has a low quiescent current consumption, ensuring minimal power loss in the system.
  • The TPS3851G30EDRBR provides a manual reset input for external control.

Package and Quantity

The TPS3851G30EDRBR is available in a small 6-pin WSON package. It is typically sold in reels of 2500 units.

Specifications

  • Input Voltage Range: 1.8V to 6.5V
  • Fixed Threshold Voltage: 3.0V
  • Quiescent Current: 2.5µA (typical)
  • Manual Reset Input Voltage: 0.4V (minimum), VDD (maximum)
  • Operating Temperature Range: -40°C to +125°C

Pin Configuration

The TPS3851G30EDRBR has the following pin configuration:

```


| | --| VDD | --| GND | --| MR | --| RESET | --| NRESET | |___________| ```

  • VDD: Power supply input
  • GND: Ground reference
  • MR: Manual reset input
  • RESET: Active-low reset output
  • NRESET: Active-high reset output

Functional Features

  1. Accurate Voltage Monitoring: The TPS3851G30EDRBR provides precise monitoring of voltage levels, ensuring reliable system operation.

  2. Power-On Reset Signal: It generates a power-on reset signal during power-up and power-down sequences, enabling proper initialization of the system.

  3. Wide Input Voltage Range: This device operates over a wide input voltage range, making it suitable for various applications with different power supply voltages.

  4. Low Quiescent Current: With a low quiescent current consumption, the TPS3851G30EDRBR minimizes power loss in the system, enhancing overall energy efficiency.

  5. Manual Reset Input: The presence of a manual reset input allows external control over the reset function, providing flexibility in system design.

Advantages and Disadvantages

Advantages

  • High accuracy in voltage monitoring
  • Wide operating voltage range
  • Low quiescent current consumption
  • Manual reset input for external control

Disadvantages

  • Fixed threshold voltage may limit its applicability in certain systems requiring different voltage levels.

Working Principles

The TPS3851G30EDRBR works by continuously monitoring the input voltage level. When the voltage falls below the fixed threshold voltage (3.0V), the device asserts the reset output signals (RESET and NRESET) to indicate a power-on reset condition. These signals remain active until the input voltage rises above the threshold voltage.

Application Field Plans

The TPS3851G30EDRBR finds application in various electronic systems where accurate voltage monitoring is crucial. Some potential fields of application include:

  1. Microcontrollers: Ensuring stable power supply voltage for microcontrollers, preventing data corruption or erratic behavior during power fluctuations.

  2. Industrial Control Systems: Monitoring voltage levels in industrial control systems to prevent damage to sensitive components and ensure reliable operation.

  3. Automotive Electronics: Voltage supervision in automotive electronics, safeguarding critical systems from voltage drops or spikes.

  4. Battery-Powered Devices: Monitoring battery voltage in portable devices to prevent over-discharge and protect the battery life.

Alternative Models

  1. TPS3850G33DBVR: Similar voltage supervisor with a fixed threshold voltage of 3.3V.
  2. TPS3839K33DBVR: Voltage supervisor with adjustable threshold voltage and low quiescent current.
  3. TPS3808G01DBVR: Ultra-low-power voltage supervisor with programmable delay time and manual reset input.

These alternative models offer different features and specifications, providing flexibility for various application requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de TPS3851G30EDRBR dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of TPS3851G30EDRBR in technical solutions:

Q1: What is the TPS3851G30EDRBR? A1: The TPS3851G30EDRBR is a voltage supervisor and reset IC designed for monitoring power supply voltages in various applications.

Q2: What is the operating voltage range of TPS3851G30EDRBR? A2: The operating voltage range of TPS3851G30EDRBR is from 1.6V to 6.5V.

Q3: What is the purpose of TPS3851G30EDRBR in technical solutions? A3: TPS3851G30EDRBR is used to monitor power supply voltages and generate a reset signal when the voltage falls below a certain threshold.

Q4: What is the typical reset threshold voltage of TPS3851G30EDRBR? A4: The typical reset threshold voltage of TPS3851G30EDRBR is 3.08V.

Q5: Can TPS3851G30EDRBR be used in battery-powered applications? A5: Yes, TPS3851G30EDRBR can be used in battery-powered applications as it operates within a wide voltage range and has low quiescent current.

Q6: Does TPS3851G30EDRBR have an adjustable reset threshold voltage? A6: No, TPS3851G30EDRBR does not have an adjustable reset threshold voltage. It has a fixed threshold voltage.

Q7: What is the maximum reset timeout period of TPS3851G30EDRBR? A7: The maximum reset timeout period of TPS3851G30EDRBR is 200ms.

Q8: Can TPS3851G30EDRBR be used in automotive applications? A8: Yes, TPS3851G30EDRBR is suitable for automotive applications as it meets the AEC-Q100 Grade 1 qualification.

Q9: Does TPS3851G30EDRBR have a manual reset input? A9: No, TPS3851G30EDRBR does not have a manual reset input. The reset signal is generated automatically based on the monitored voltage.

Q10: What is the package type of TPS3851G30EDRBR? A10: TPS3851G30EDRBR is available in a small 6-pin WSON package.