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LTC2926CUFD#TRPBF
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LTC2926CUFD#TRPBF

Product Overview

Category

The LTC2926CUFD#TRPBF belongs to the category of power management integrated circuits (PMICs).

Use

It is used for power supply sequencing and monitoring in various electronic devices and systems.

Characteristics

  • Sequencing: Allows for precise power-up and power-down sequencing of multiple voltage rails.
  • Monitoring: Provides accurate monitoring of supply voltages.
  • Fault Protection: Offers fault protection features to safeguard the system from overvoltage and undervoltage conditions.

Package

The LTC2926CUFD#TRPBF is available in a 38-lead QFN package, providing a compact and efficient solution for power management.

Essence

The essence of this product lies in its ability to ensure proper power sequencing and monitoring, contributing to the reliable operation of electronic systems.

Packaging/Quantity

It is typically supplied in reels with a specific quantity per reel, as per the manufacturer's specifications.

Specifications

  • Input Voltage Range: 2.7V to 18V
  • Operating Temperature Range: -40°C to 125°C
  • Number of Channels: 6
  • Output Voltage Range: Programmable via external resistors
  • Accuracy: ±1.5% over temperature
  • Quiescent Current: 50µA per channel

Detailed Pin Configuration

The LTC2926CUFD#TRPBF features a detailed pin configuration with specific pins dedicated to input voltage, output voltage, sequencing control, and monitoring functions. Refer to the datasheet for the complete pinout diagram.

Functional Features

  • Sequencing Control: Enables precise control over the power-up and power-down sequence of multiple voltage rails, ensuring proper system initialization.
  • Voltage Monitoring: Provides accurate monitoring of supply voltages, allowing for timely detection of any deviations from specified levels.
  • Fault Protection: Incorporates features such as overvoltage and undervoltage lockout to protect the system from potential damage due to voltage irregularities.

Advantages and Disadvantages

Advantages

  • Precise power sequencing enhances system reliability.
  • Accurate voltage monitoring contributes to early fault detection.
  • Integrated fault protection safeguards the system from potential damage.

Disadvantages

  • May require careful consideration of external resistor values for optimal performance.
  • Complex applications may necessitate additional external circuitry for comprehensive power management.

Working Principles

The LTC2926CUFD#TRPBF operates by receiving input from external voltage rails and utilizing its internal circuitry to precisely sequence the power-up and power-down of these rails. It continuously monitors the supply voltages and activates fault protection mechanisms when necessary, ensuring the safe and reliable operation of the system.

Detailed Application Field Plans

The LTC2926CUFD#TRPBF finds extensive application in various fields, including: - Telecommunications: Ensuring proper power sequencing and monitoring in communication equipment. - Industrial Automation: Contributing to reliable power management in industrial control systems. - Automotive Electronics: Facilitating precise power-up sequencing in automotive electronic control units.

Detailed and Complete Alternative Models

  • LTC2924: A similar PMIC offering with a different channel configuration.
  • MAX16050: An alternative PMIC with comparable sequencing and monitoring capabilities.

In conclusion, the LTC2926CUFD#TRPBF serves as a crucial component in power management, offering precise sequencing, monitoring, and fault protection features essential for the reliable operation of electronic systems across various industries.

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10個與LTC2926CUFD#TRPBF在技術方案中應用相關的常見問題與解答

  1. What is the LTC2926CUFD#TRPBF?

    • The LTC2926CUFD#TRPBF is a power supply sequencer and supervisor designed to manage the power-up and power-down sequencing of multiple voltage rails in a system.

  2. What are the key features of LTC2926CUFD#TRPBF?

    • The LTC2926CUFD#TRPBF features include 10 outputs, adjustable time delays, fault monitoring, and a wide input voltage range.

  3. How many voltage rails can be sequenced using LTC2926CUFD#TRPBF?

    • The LTC2926CUFD#TRPBF can sequence up to 10 voltage rails, making it suitable for complex systems with multiple power domains.

  4. What is the input voltage range of LTC2926CUFD#TRPBF?

    • The LTC2926CUFD#TRPBF has a wide input voltage range from 2.5V to 30V, allowing it to be used in various applications.

  5. Can the time delays be adjusted in LTC2926CUFD#TRPBF?

    • Yes, the time delays for power-up and power-down sequences can be adjusted using external capacitors, providing flexibility in system design.

  6. What fault monitoring capabilities does LTC2926CUFD#TRPBF offer?

    • The LTC2926CUFD#TRPBF provides fault monitoring for overvoltage, undervoltage, and overcurrent conditions, enhancing system reliability.

  7. Is LTC2926CUFD#TRPBF suitable for automotive applications?

    • Yes, the LTC2926CUFD#TRPBF is suitable for automotive and industrial applications due to its robustness and wide operating temperature range.

  8. What is the typical quiescent current of LTC2926CUFD#TRPBF?

    • The LTC2926CUFD#TRPBF has a low quiescent current of 20μA, contributing to overall system efficiency.

  9. Does LTC2926CUFD#TRPBF support daisy-chaining for multiple devices?

    • Yes, LTC2926CUFD#TRPBF supports daisy-chaining, enabling the sequencing of more than 10 voltage rails in a system.

  10. What package options are available for LTC2926CUFD#TRPBF?

    • The LTC2926CUFD#TRPBF is available in a 38-lead QFN package, offering a compact and thermally efficient solution for space-constrained applications.