Texas Instruments
Imej mungkin representasi.
Lihat spesifikasi untuk butiran produk.
TPS3808G15DBVR
Lihat Butiran Helaian data

TPS3808G15DBVR

Basic Information Overview

  • Category: Integrated Circuit (IC)
  • Use: Voltage Supervisor
  • Characteristics: Low Power, Precision Monitoring, Programmable Delay Time
  • Package: SOT-23-5
  • Essence: Monitors voltage levels and provides a reset signal when the voltage falls below a certain threshold.
  • 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, 3.63V, 4.38V, 4.63V, 4.88V, 5.13V, 5.38V
  • Reset Timeout Period: 1.6ms, 10ms, 100ms, 200ms, 400ms, 800ms, 1.6s, 3.2s
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The TPS3808G15DBVR has a total of 5 pins:

  1. GND: Ground pin
  2. VDD: Supply voltage input
  3. MR: Manual Reset input
  4. RESET: Reset output
  5. N/C: No Connection

Functional Features

  • Precision Monitoring: The TPS3808G15DBVR accurately monitors the supply voltage and provides a reset signal when it falls below the programmed threshold.
  • Programmable Delay Time: The device allows users to select the desired reset timeout period, providing flexibility in system design.
  • Low Power Consumption: The IC operates with low quiescent current, making it suitable for battery-powered applications.

Advantages and Disadvantages

Advantages: - Precise voltage monitoring ensures reliable system operation. - Programmable delay time allows customization for specific applications. - Low power consumption extends battery life in portable devices.

Disadvantages: - Limited threshold voltage options may not cover all voltage requirements. - The SOT-23-5 package may not be suitable for all PCB layouts.

Working Principles

The TPS3808G15DBVR operates by continuously monitoring the supply voltage. When the voltage falls below the programmed threshold, the reset output is asserted, indicating a power failure or an out-of-range condition. The reset signal remains active until the voltage rises above the threshold and the reset timeout period elapses.

Detailed Application Field Plans

The TPS3808G15DBVR is commonly used in various applications, including:

  1. Microcontrollers: Ensures reliable operation by resetting the microcontroller when the supply voltage drops below a certain level.
  2. Power Management Systems: Monitors the input voltage to protect sensitive components from undervoltage conditions.
  3. Battery-Powered Devices: Provides low-power voltage supervision to prevent excessive discharge and extend battery life.
  4. Industrial Control Systems: Ensures proper system initialization by resetting critical components during power-up.

Detailed and Complete Alternative Models

  1. TPS3808G01DBVR: Similar functionality with different threshold voltage options.
  2. TPS3808G33DBVR: Higher threshold voltage options for specific applications.
  3. TPS3808G25DBVR: Lower threshold voltage options for specific applications.
  4. TPS3808G30DBVR: Extended reset timeout periods for specific applications.

(Note: This list is not exhaustive and other alternative models may exist.)

Word count: 346 words

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi TPS3808G15DBVR dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of TPS3808G15DBVR in technical solutions:

  1. Q: What is TPS3808G15DBVR? A: TPS3808G15DBVR is a voltage supervisor IC (integrated circuit) that monitors the power supply voltage and provides a reset signal to the microcontroller or other digital devices when the voltage falls below a certain threshold.

  2. Q: What is the operating voltage range of TPS3808G15DBVR? A: The operating voltage range of TPS3808G15DBVR is typically between 0.7V and 5.5V.

  3. Q: How does TPS3808G15DBVR help in preventing system malfunction due to low voltage? A: TPS3808G15DBVR continuously monitors the power supply voltage and asserts a reset signal when the voltage drops below a predefined threshold, ensuring that the system remains in a known state during low voltage conditions.

  4. Q: Can TPS3808G15DBVR be used with both analog and digital systems? A: Yes, TPS3808G15DBVR can be used with both analog and digital systems as it operates independently of the system's architecture.

  5. Q: What is the typical reset threshold voltage of TPS3808G15DBVR? A: The typical reset threshold voltage of TPS3808G15DBVR is 1.575V.

  6. Q: Does TPS3808G15DBVR have an adjustable reset threshold voltage? A: No, TPS3808G15DBVR has a fixed reset threshold voltage and does not provide an option for adjustment.

  7. Q: Can TPS3808G15DBVR be used in battery-powered applications? A: Yes, TPS3808G15DBVR can be used in battery-powered applications as it has a low quiescent current and operates over a wide voltage range.

  8. Q: What is the typical response time of TPS3808G15DBVR? A: The typical response time of TPS3808G15DBVR is 20µs.

  9. Q: Can TPS3808G15DBVR tolerate voltage spikes or transients? A: Yes, TPS3808G15DBVR has built-in hysteresis and can tolerate voltage spikes or transients within its specified operating range.

  10. Q: Is TPS3808G15DBVR available in different package options? A: Yes, TPS3808G15DBVR is available in various package options, including SOT-23 and SC-70, providing flexibility for different application requirements.

Please note that the answers provided here are general and may vary depending on the specific datasheet and manufacturer's specifications of TPS3808G15DBVR.