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TC647VPA
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TC647VPA

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Supervisor
  • Characteristics: High accuracy, low power consumption
  • Package: PDIP-8, SOIC-8
  • Essence: Monolithic CMOS voltage supervisor
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: 1.2V to 5.5V
  • Threshold Voltage Options: 2.63V, 3.08V, 4.38V
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The TC647VPA has a total of 8 pins arranged as follows:

  1. GND: Ground
  2. RESET: Active-low reset output
  3. VCC: Positive supply voltage
  4. TH: Threshold input for selecting the desired threshold voltage
  5. MR: Manual reset input
  6. NC: No connection
  7. NC: No connection
  8. VCC: Positive supply voltage

Functional Features

  • Monitors the supply voltage and asserts the reset output when it falls below the selected threshold voltage.
  • Provides manual reset capability through the MR pin.
  • Low quiescent current makes it suitable for battery-powered applications.
  • Wide operating temperature range allows usage in various environments.

Advantages and Disadvantages

Advantages

  • High accuracy in monitoring supply voltage.
  • Low power consumption extends battery life.
  • Small package size enables space-saving designs.
  • Flexible threshold voltage options for different applications.

Disadvantages

  • Limited number of threshold voltage options available.
  • Not suitable for high-voltage applications.

Working Principles

The TC647VPA operates by comparing the supply voltage with the selected threshold voltage. When the supply voltage drops below the threshold, the reset output is asserted, indicating a power failure or low voltage condition. The manual reset input allows for external control of the reset function.

Detailed Application Field Plans

The TC647VPA is commonly used in various applications where reliable voltage monitoring is crucial. Some typical application fields include:

  1. Power supply units: Ensuring stable operation and protection against undervoltage conditions.
  2. Microcontrollers: Resetting the system when the supply voltage falls below a certain level.
  3. Battery-powered devices: Extending battery life by preventing deep discharge.

Detailed and Complete Alternative Models

  • TC54VC: Voltage supervisor with adjustable threshold voltage.
  • MAX823: Low-power microprocessor reset circuit.
  • TL7705: Supply voltage supervisor with fixed threshold options.

These alternative models offer similar functionality to the TC647VPA and can be considered as alternatives based on specific requirements.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av TC647VPA i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of TC647VPA in technical solutions:

  1. Q: What is TC647VPA? A: TC647VPA is a specific model of voltage supervisor IC (integrated circuit) used in various technical solutions.

  2. Q: What is the purpose of TC647VPA? A: The purpose of TC647VPA is to monitor and control the voltage levels in electronic systems, ensuring stable operation and protecting against voltage fluctuations.

  3. Q: In which applications can TC647VPA be used? A: TC647VPA can be used in a wide range of applications, including power supplies, industrial automation, automotive electronics, and consumer electronics.

  4. Q: How does TC647VPA work? A: TC647VPA continuously monitors the input voltage and compares it with predefined thresholds. It generates an output signal when the voltage exceeds or falls below these thresholds, triggering appropriate actions.

  5. Q: What are the key features of TC647VPA? A: Some key features of TC647VPA include adjustable voltage thresholds, low power consumption, wide operating temperature range, and built-in protection circuits.

  6. Q: Can TC647VPA be used in battery-powered devices? A: Yes, TC647VPA can be used in battery-powered devices as it operates at low power and has a wide input voltage range suitable for battery applications.

  7. Q: Is TC647VPA compatible with microcontrollers and other digital systems? A: Yes, TC647VPA is designed to interface with microcontrollers and other digital systems, making it easy to integrate into complex electronic designs.

  8. Q: Can TC647VPA protect against overvoltage and undervoltage conditions? A: Yes, TC647VPA has built-in protection circuits that can detect and respond to overvoltage and undervoltage conditions, helping to safeguard the connected components.

  9. Q: Are there any specific design considerations when using TC647VPA? A: It is important to consider factors such as input voltage range, output configuration, noise immunity, and power supply stability when designing with TC647VPA.

  10. Q: Where can I find more information about TC647VPA and its application notes? A: You can refer to the datasheet and application notes provided by the manufacturer of TC647VPA for detailed information on its usage and application-specific guidelines.

Please note that the answers provided here are general and may vary depending on the specific requirements and implementation of TC647VPA in different technical solutions.