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TPS3801T50DCKR

TPS3801T50DCKR

Overview

Category: Integrated Circuits (ICs)

Use: Voltage Supervisors

Characteristics: - Low Power Supervisor with Programmable Delay Time - Precision Voltage Monitor - Manual Reset Input - Watchdog Timer - Power-On Reset Generator - Supply Voltage Range: 1.6V to 6.5V - Operating Temperature Range: -40°C to +85°C - Package Type: SC-70, SOT-23, SOT-5X3, and X2SON - RoHS Compliant

Package/Quantity: - SC-70: 3000 units per reel - SOT-23: 3000 units per reel - SOT-5X3: 4000 units per reel - X2SON: 2500 units per reel

Specifications

The TPS3801T50DCKR is a low-power voltage supervisor IC designed for monitoring the power supply voltage of digital systems. It provides various features such as a programmable delay time, precision voltage monitoring, manual reset input, watchdog timer, and power-on reset generator. The device operates over a wide supply voltage range from 1.6V to 6.5V and can withstand temperatures ranging from -40°C to +85°C.

Pin Configuration

The TPS3801T50DCKR has the following pin configuration:

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| | | TPS3801T50DCKR | |_______________________________________| | | | GND | |_______________________________________| | | | VDD | |_______________________________________| | | | MR | |_______________________________________| | | | RESET | |_______________________________________| ```

Functional Features

  • Programmable delay time allows customization of the power-on reset delay.
  • Precision voltage monitoring ensures accurate detection of supply voltage variations.
  • Manual reset input provides a means to manually reset the system.
  • Watchdog timer monitors the system's operation and resets it if necessary.
  • Power-on reset generator ensures proper initialization of the system upon power-up.

Advantages and Disadvantages

Advantages: - Low power consumption - Wide operating voltage range - Multiple package options for flexibility in design - RoHS compliant

Disadvantages: - Limited quantity per reel for certain package types

Working Principles

The TPS3801T50DCKR operates by continuously monitoring the supply voltage. It compares the monitored voltage with a reference voltage and generates appropriate signals based on the comparison results. The device can be programmed to provide a specific delay time before asserting the reset signal. It also includes a watchdog timer that monitors the system's operation and resets it if necessary.

Application Field Plans

The TPS3801T50DCKR is commonly used in various applications, including: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Medical equipment

Alternative Models

Some alternative models to the TPS3801T50DCKR include: - TPS3801H33DCKR - TPS3801K33DCKR - TPS3801L30DCKR - TPS3801M33DCKR

These alternative models offer similar functionality but may have different voltage thresholds or package options.

In conclusion, the TPS3801T50DCKR is a versatile voltage supervisor IC with programmable delay time, precision voltage monitoring, and various other features. It finds applications in a wide range of industries and offers advantages such as low power consumption and a wide operating voltage range. However, it is important to consider the limited quantity per reel for certain package types when planning for production.

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng TPS3801T50DCKR trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of TPS3801T50DCKR in technical solutions:

Q1: What is TPS3801T50DCKR? A1: TPS3801T50DCKR is a voltage supervisor and reset IC manufactured by Texas Instruments.

Q2: What is the purpose of TPS3801T50DCKR? A2: TPS3801T50DCKR is used to monitor the power supply voltage and generate a reset signal when the voltage falls below a certain threshold.

Q3: What is the operating voltage range of TPS3801T50DCKR? A3: The operating voltage range of TPS3801T50DCKR is typically between 1.6V and 6.5V.

Q4: How does TPS3801T50DCKR generate a reset signal? A4: TPS3801T50DCKR monitors the voltage using an internal comparator and generates a reset signal when the voltage drops below the specified threshold.

Q5: Can TPS3801T50DCKR be used in battery-powered applications? A5: Yes, TPS3801T50DCKR can be used in battery-powered applications as it has a low quiescent current and operates at low voltages.

Q6: What is the typical reset threshold voltage of TPS3801T50DCKR? A6: The typical reset threshold voltage of TPS3801T50DCKR is 2.93V.

Q7: Does TPS3801T50DCKR have a manual reset input? A7: No, TPS3801T50DCKR does not have a manual reset input. The reset signal is generated automatically based on the monitored voltage.

Q8: Can TPS3801T50DCKR be used in automotive applications? A8: Yes, TPS3801T50DCKR is suitable for automotive applications as it meets the AEC-Q100 automotive qualification standards.

Q9: What is the typical response time of TPS3801T50DCKR? A9: The typical response time of TPS3801T50DCKR is 20µs.

Q10: Does TPS3801T50DCKR have an open-drain or push-pull output? A10: TPS3801T50DCKR has an open-drain output, which allows for flexibility in connecting to different microcontrollers or devices.

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