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TPS3851G50SDRBR

TPS3851G50SDRBR

Product Overview

Category

The TPS3851G50SDRBR belongs to the category of voltage supervisors.

Use

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

Characteristics

  • The TPS3851G50SDRBR is a low-power voltage supervisor with a wide operating voltage range.
  • It offers accurate voltage monitoring and detection capabilities.
  • This device provides a reset signal when the monitored voltage falls below a specified threshold.
  • It has a low quiescent current, making it suitable for battery-powered applications.
  • The TPS3851G50SDRBR operates over a wide temperature range, ensuring reliability in various environments.

Package

The TPS3851G50SDRBR comes in a small outline package (SOT) with a dimension of 2 mm x 2 mm.

Essence

The essence of the TPS3851G50SDRBR is its ability to monitor voltage levels and provide a reset signal when necessary, ensuring the proper functioning of electronic systems.

Packaging/Quantity

This product is typically packaged in reels, with a quantity of 3000 units per reel.

Specifications

  • Operating Voltage Range: 1.8 V to 6.5 V
  • Threshold Accuracy: ±1.5%
  • Quiescent Current: 1.5 µA (typical)
  • Reset Timeout Period: Adjustable
  • Power-On Reset Delay: 20 ms (typical)
  • Temperature Range: -40°C to +125°C

Detailed Pin Configuration

The TPS3851G50SDRBR has the following pin configuration:

  1. GND (Ground)
  2. RESET (Reset Output)
  3. MR (Manual Reset Input)
  4. VDD (Supply Voltage)

Functional Features

  • Accurate voltage monitoring and detection
  • Reset signal generation when voltage falls below threshold
  • Adjustable reset timeout period
  • Manual reset input for immediate system reset
  • Low quiescent current for power efficiency
  • Power-on reset delay to ensure stable operation during power-up

Advantages and Disadvantages

Advantages

  • Wide operating voltage range allows for versatile applications
  • Accurate voltage monitoring ensures system reliability
  • Low quiescent current makes it suitable for battery-powered devices
  • Adjustable reset timeout period provides flexibility in system design
  • Power-on reset delay prevents false resets during power-up

Disadvantages

  • Limited pin configuration options may not suit all system requirements
  • Small package size may pose challenges during assembly or soldering processes

Working Principles

The TPS3851G50SDRBR operates by continuously monitoring the voltage level at the VDD pin. When the voltage falls below the specified threshold, the device generates a reset signal on the RESET pin. This reset signal can be used to initiate a system reset or trigger other necessary actions.

The reset timeout period can be adjusted using external components, allowing designers to customize the timing of the reset signal. Additionally, the MR pin provides a manual reset input, enabling an immediate system reset when required.

Detailed Application Field Plans

The TPS3851G50SDRBR finds application in various fields, including:

  1. Battery-powered devices: It ensures proper voltage monitoring and system reset in portable electronics, such as smartphones, tablets, and wearables.
  2. Industrial automation: The device helps maintain stable voltage levels in control systems, preventing malfunctions or damage.
  3. Automotive electronics: It plays a crucial role in monitoring voltage in automotive systems, ensuring reliable operation and protecting sensitive components.
  4. Internet of Things (IoT): The TPS3851G50SDRBR is suitable for IoT devices that require efficient power management and voltage supervision.

Detailed and Complete Alternative Models

  1. TPS3850G33: Similar to the TPS3851G50SDRBR, but with a different operating voltage range (2.93 V to 3.08 V).
  2. TPS3839K33: A voltage supervisor with a fixed threshold voltage of 3.3 V, suitable for specific applications.
  3. TPS3808G01: Offers adjustable reset timeout period and a wider operating temperature range (-40°C to +150°C).

These alternative models provide options for different voltage ranges, fixed thresholds, and extended temperature ranges, catering to diverse application requirements.

In conclusion, the TPS3851G50SDRBR is a versatile voltage supervisor that ensures accurate voltage monitoring and provides a reset signal when necessary. Its low power consumption, wide operating voltage range, and small package size make it suitable for various electronic systems. With its functional features, advantages, and detailed application field plans, the TPS3851G50SDRBR proves to be a reliable component in numerous industries.

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TPS3851G50SDRBR dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of TPS3851G50SDRBR in technical solutions:

Q1: What is the TPS3851G50SDRBR? A1: The TPS3851G50SDRBR is a voltage supervisor and reset IC designed for monitoring power supply voltages in various applications.

Q2: What is the operating voltage range of TPS3851G50SDRBR? A2: The TPS3851G50SDRBR operates within a voltage range of 0.5V to 5.5V.

Q3: What is the purpose of using TPS3851G50SDRBR in a technical solution? A3: TPS3851G50SDRBR ensures reliable system operation by monitoring power supply voltages and generating a reset signal when the voltage falls below a specified threshold.

Q4: Can TPS3851G50SDRBR be used in battery-powered applications? A4: Yes, TPS3851G50SDRBR can be used in battery-powered applications as it operates within a wide voltage range and has low quiescent current consumption.

Q5: How many voltage thresholds can TPS3851G50SDRBR monitor? A5: TPS3851G50SDRBR can monitor one voltage threshold, which can be set using external resistors.

Q6: Does TPS3851G50SDRBR have an adjustable reset delay time? A6: No, TPS3851G50SDRBR does not have an adjustable reset delay time. It has a fixed delay time of approximately 50ms.

Q7: Can TPS3851G50SDRBR tolerate voltage transients or spikes? A7: Yes, TPS3851G50SDRBR has built-in hysteresis to tolerate voltage transients or spikes, ensuring stable operation.

Q8: What is the output type of TPS3851G50SDRBR? A8: TPS3851G50SDRBR has an active-low push-pull output, which can be connected to a microcontroller or other digital logic devices.

Q9: Is TPS3851G50SDRBR available in a small package size? A9: Yes, TPS3851G50SDRBR is available in a small 6-pin WSON package, making it suitable for space-constrained applications.

Q10: Can TPS3851G50SDRBR be used in automotive applications? A10: Yes, TPS3851G50SDRBR is AEC-Q100 qualified and can be used in automotive applications where reliable power supply monitoring is required.

Please note that these answers are general and may vary depending on the specific requirements and application of TPS3851G50SDRBR.