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TPS3808G33DBVR

TPS3808G33DBVR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Supervisor
  • Characteristics: Low Power, Precision Monitoring, Reset Output
  • Package: SOT-23 (Small Outline Transistor)
  • Essence: Monitors voltage levels and provides a reset signal when necessary
  • Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

  • Supply Voltage Range: 1.6V to 6.5V
  • Threshold Voltage Options: 2.93V, 3.08V, 3.3V, 4.38V
  • Operating Temperature Range: -40°C to +85°C
  • Quiescent Current: 1.5µA (typical)

Detailed Pin Configuration

The TPS3808G33DBVR has the following pin configuration:

```


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

  • VDD: Power supply input
  • GND: Ground reference
  • MR: Manual Reset input (active low)
  • RESET: Reset output

Functional Features

  • Monitors the voltage level of the power supply
  • Generates a reset signal when the voltage falls below the threshold
  • Provides manual reset capability through the MR pin
  • Low quiescent current for power efficiency
  • Precision monitoring with selectable threshold options

Advantages and Disadvantages

Advantages: - Wide supply voltage range allows for versatile applications - Low power consumption for energy-efficient designs - Small package size enables space-saving on PCBs - Precision monitoring ensures reliable operation

Disadvantages: - Limited threshold voltage options may not suit all applications - Lack of advanced features compared to more specialized voltage supervisors

Working Principles

The TPS3808G33DBVR operates by continuously monitoring the voltage level of the power supply. When the voltage falls below the selected threshold, it triggers the reset output pin, signaling a system reset. The manual reset input allows for additional control over the reset function.

Detailed Application Field Plans

The TPS3808G33DBVR is commonly used in various applications where voltage supervision and reset functionality are required. Some potential application fields include: - Microcontrollers and microprocessors - Embedded systems - Battery-powered devices - Industrial automation - Automotive electronics

Detailed and Complete Alternative Models

  • TPS3808G01DBVR: Similar voltage supervisor with different threshold options (1.6V, 2.5V, 3V, 4.1V)
  • TPS3809K33DBVR: Voltage supervisor with adjustable threshold voltage and watchdog timer functionality
  • TPS3839K33DBVR: Ultra-low quiescent current voltage supervisor with adjustable threshold voltage

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de TPS3808G33DBVR em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of TPS3808G33DBVR in technical solutions:

  1. Q: What is TPS3808G33DBVR? A: TPS3808G33DBVR is a voltage supervisor and reset IC manufactured by Texas Instruments.

  2. Q: What is the purpose of TPS3808G33DBVR? A: TPS3808G33DBVR is used to monitor the voltage level of a system and generate a reset signal when the voltage falls below a certain threshold.

  3. Q: What is the operating voltage range of TPS3808G33DBVR? A: The operating voltage range of TPS3808G33DBVR is typically between 1.6V and 6.5V.

  4. Q: How does TPS3808G33DBVR generate a reset signal? A: TPS3808G33DBVR monitors the voltage using an internal voltage reference and comparator. When the voltage drops below the threshold, it pulls the RESET pin low.

  5. Q: Can TPS3808G33DBVR be used with both digital and analog systems? A: Yes, TPS3808G33DBVR can be used with both digital and analog systems as long as the voltage levels are within its operating range.

  6. Q: What is the typical reset time delay of TPS3808G33DBVR? A: The typical reset time delay of TPS3808G33DBVR is around 200ms.

  7. Q: Can TPS3808G33DBVR be used in battery-powered applications? A: Yes, TPS3808G33DBVR can be used in battery-powered applications as it has a low quiescent current and operates at low voltages.

  8. Q: Does TPS3808G33DBVR have any built-in protection features? A: Yes, TPS3808G33DBVR has built-in hysteresis to prevent false triggering due to voltage fluctuations or noise.

  9. Q: Can TPS3808G33DBVR be used in automotive applications? A: Yes, TPS3808G33DBVR is suitable for automotive applications as it meets the AEC-Q100 qualification requirements.

  10. Q: What package options are available for TPS3808G33DBVR? A: TPS3808G33DBVR is available in a small SOT-23 package, which is commonly used in space-constrained designs.

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