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LTC2953IDD-2#PBF
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LTC2953IDD-2#PBF

Product Overview

Category

The LTC2953IDD-2#PBF belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for power supply monitoring and system control applications.

Characteristics

  • Integrated power supply monitor and push-button controller
  • Low quiescent current consumption
  • Wide input voltage range
  • Adjustable reset timeout period
  • Programmable push-button debounce time
  • Small form factor package

Package

The LTC2953IDD-2#PBF is available in a 10-lead DFN (Dual Flat No-Lead) package.

Essence

The essence of the LTC2953IDD-2#PBF lies in its ability to provide reliable power supply monitoring and control functions in a compact and efficient manner.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 26.5V
  • Quiescent Current: 12µA
  • Reset Timeout Period: Adjustable from 1ms to 10s
  • Push-Button Debounce Time: Programmable from 0ms to 10ms
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The LTC2953IDD-2#PBF features the following pin configuration:

  1. VIN - Power Supply Input
  2. GND - Ground
  3. NIRQ - Active-Low Interrupt Output
  4. NRST - Active-Low Reset Output
  5. DEB - Push-Button Debounce Control
  6. PWRGD - Power Good Output
  7. VCC - Supply Voltage Input
  8. VBAT - Battery Backup Input
  9. VOUT - Regulated Output Voltage
  10. NC - No Connection

Functional Features

  • Power supply monitoring and control
  • Push-button debounce functionality
  • Reset output generation
  • Power good output indication
  • Battery backup support

Advantages and Disadvantages

Advantages

  • Integrated power supply monitor and push-button controller reduce component count and board space requirements.
  • Wide input voltage range allows for versatile applications.
  • Low quiescent current consumption minimizes power wastage.
  • Adjustable reset timeout period and push-button debounce time provide flexibility in system design.

Disadvantages

  • Limited number of pins may restrict the number of external components that can be connected directly to the LTC2953IDD-2#PBF.
  • The small form factor package may require careful handling during assembly and soldering processes.

Working Principles

The LTC2953IDD-2#PBF operates by continuously monitoring the input voltage and generating appropriate outputs based on predefined thresholds and user-programmable settings. It provides a reset output when the input voltage falls below a certain level or when a push-button is pressed for a specified duration. The push-button debounce feature ensures reliable detection of button presses, while the power good output indicates the status of the power supply. The device also supports battery backup functionality for uninterrupted operation during power outages.

Detailed Application Field Plans

The LTC2953IDD-2#PBF finds applications in various fields, including but not limited to:

  1. Embedded systems
  2. Industrial automation
  3. Internet of Things (IoT) devices
  4. Consumer electronics
  5. Automotive electronics

In embedded systems, it can be used for power supply monitoring and control in microcontroller-based designs. In industrial automation, it enables reliable system shutdown and restart procedures. IoT devices benefit from its ability to manage power supply transitions effectively. In consumer electronics, it ensures proper power sequencing and protection. Automotive electronics utilize it for power management in vehicle control units.

Detailed and Complete Alternative Models

  1. LTC2952IDD-1#PBF: Similar to LTC2953IDD-2#PBF but with a different pin configuration.
  2. LTC2954IDD-3#PBF: Offers additional features such as adjustable reset threshold voltage and watchdog timer functionality.
  3. LTC2955IDD-4#PBF: Provides enhanced power supply monitoring capabilities with adjustable undervoltage and overvoltage thresholds.

These alternative models offer similar functionalities with slight variations, allowing designers to choose the most suitable option based on their specific requirements.

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技術ソリューションにおける LTC2953IDD-2#PBF の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of LTC2953IDD-2#PBF in technical solutions:

  1. Q: What is the LTC2953IDD-2#PBF? A: The LTC2953IDD-2#PBF is a power supply monitor and push-button controller IC.

  2. Q: What is the purpose of the LTC2953IDD-2#PBF? A: It is designed to monitor the power supply voltage and control the system's power-up and power-down sequences.

  3. Q: What is the input voltage range supported by LTC2953IDD-2#PBF? A: The input voltage range is typically between 2.7V and 26V.

  4. Q: Can the LTC2953IDD-2#PBF handle multiple power supplies? A: Yes, it can monitor and control up to two independent power supplies.

  5. Q: How does the LTC2953IDD-2#PBF detect power failures? A: It monitors the power supply voltage and triggers an interrupt or reset signal when the voltage falls below a certain threshold.

  6. Q: Can the LTC2953IDD-2#PBF be used to implement a power-on reset (POR) function? A: Yes, it has a built-in POR circuit that generates a reset signal during power-up.

  7. Q: Does the LTC2953IDD-2#PBF support manual power control? A: Yes, it has a push-button input that allows for manual power control.

  8. Q: Can the LTC2953IDD-2#PBF be used in battery-powered applications? A: Yes, it has a low quiescent current and can operate in battery-powered systems.

  9. Q: What is the operating temperature range of LTC2953IDD-2#PBF? A: It can operate in a temperature range of -40°C to 85°C.

  10. Q: Is the LTC2953IDD-2#PBF available in different package options? A: Yes, it is available in a 10-lead DFN package.

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