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LTC4224IDDB-2#TRMPBF
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LTC4224IDDB-2#TRMPBF

Product Overview

Category: Integrated Circuits (ICs)

Use: Power Management IC

Characteristics: - Dual Ideal Diode Controller and PowerPath Selector - Low Voltage Drop - Reverse Current Blocking - Overvoltage Protection - Undervoltage Lockout - Fault Indication - Thermal Shutdown - Small Footprint

Package: DFN-10

Essence: The LTC4224IDDB-2#TRMPBF is an integrated circuit that serves as a dual ideal diode controller and power path selector. It offers low voltage drop, reverse current blocking, overvoltage protection, undervoltage lockout, fault indication, and thermal shutdown features. The small footprint of the DFN-10 package makes it suitable for space-constrained applications.

Packaging/Quantity: Tape & Reel, 2500 pieces per reel

Specifications

  • Input Voltage Range: 2.9V to 18V
  • Operating Temperature Range: -40°C to 85°C
  • Quiescent Current: 30µA
  • Maximum Continuous Current: 6A
  • Reverse Current: 1µA
  • Overvoltage Threshold: 5% above VIN
  • Undervoltage Threshold: 5% below VIN
  • Fault Indication Threshold: 5% below VIN
  • Thermal Shutdown Temperature: 150°C

Detailed Pin Configuration

  1. GATE1: Gate Drive Output for Channel 1
  2. SOURCE1: Source Connection for Channel 1
  3. GND: Ground
  4. GATE2: Gate Drive Output for Channel 2
  5. SOURCE2: Source Connection for Channel 2
  6. FLT1: Fault Indicator Output for Channel 1
  7. FLT2: Fault Indicator Output for Channel 2
  8. VIN: Input Voltage
  9. VCC: Supply Voltage
  10. VOUT: Output Voltage

Functional Features

  • Dual Ideal Diode Controller: Enables seamless power path selection between two input sources.
  • Low Voltage Drop: Minimizes power loss and improves efficiency.
  • Reverse Current Blocking: Prevents current flow from the output to the input source.
  • Overvoltage Protection: Safeguards against excessive voltage levels.
  • Undervoltage Lockout: Ensures proper operation within specified voltage range.
  • Fault Indication: Provides indication of fault conditions.
  • Thermal Shutdown: Protects the device from overheating.

Advantages and Disadvantages

Advantages: - Efficient power management solution - Reliable reverse current blocking - Comprehensive protection features - Compact package size - Easy integration into various applications

Disadvantages: - Limited maximum continuous current capacity (6A) - Restricted operating temperature range (-40°C to 85°C)

Working Principles

The LTC4224IDDB-2#TRMPBF operates by controlling the gate drive outputs (GATE1 and GATE2) to enable or disable the power paths between the input sources and the load. It utilizes ideal diode characteristics to ensure low voltage drop and prevent reverse current flow. The device continuously monitors the input voltage, providing overvoltage protection, undervoltage lockout, and fault indication when necessary. In case of excessive temperature, the thermal shutdown feature activates to protect the IC.

Detailed Application Field Plans

The LTC4224IDDB-2#TRMPBF finds applications in various fields where power management and source selection are critical. Some potential application areas include: - Battery-powered devices - Portable electronics - Industrial control systems - Automotive electronics - Telecommunications equipment - Medical devices

Detailed and Complete Alternative Models

  1. LTC4412ES6#TRMPBF: Single Ideal Diode Controller and PowerPath Selector
  2. LTC4357IDCB#TRMPBF: Dual Low Voltage Ideal Diode ORing Controller
  3. LTC4370IMS#PBF: High Voltage Surge Stopper with Ideal Diode

These alternative models offer similar functionality and can be considered based on specific application requirements.

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Énumérez 10 questions et réponses courantes liées à l'application de LTC4224IDDB-2#TRMPBF dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of LTC4224IDDB-2#TRMPBF in technical solutions:

  1. Q: What is LTC4224IDDB-2#TRMPBF? A: LTC4224IDDB-2#TRMPBF is a specific model number for a power supply IC (integrated circuit) manufactured by Linear Technology (now part of Analog Devices). It is designed for hot-swappable applications and provides protection against reverse voltage, overcurrent, and overvoltage conditions.

  2. Q: What are the key features of LTC4224IDDB-2#TRMPBF? A: Some key features of LTC4224IDDB-2#TRMPBF include dual ideal diode controllers, adjustable current limit, reverse voltage protection, undervoltage lockout, and fault reporting.

  3. Q: How can LTC4224IDDB-2#TRMPBF be used in technical solutions? A: LTC4224IDDB-2#TRMPBF can be used in various technical solutions where hot-swapping of power sources is required, such as redundant power supplies, battery backup systems, or server racks.

  4. Q: What is the maximum operating voltage supported by LTC4224IDDB-2#TRMPBF? A: The maximum operating voltage supported by LTC4224IDDB-2#TRMPBF is typically around 80V.

  5. Q: Can LTC4224IDDB-2#TRMPBF handle high currents? A: Yes, LTC4224IDDB-2#TRMPBF is capable of handling high currents, with an adjustable current limit that can be set according to the application requirements.

  6. Q: Does LTC4224IDDB-2#TRMPBF provide any protection against reverse voltage? A: Yes, LTC4224IDDB-2#TRMPBF provides reverse voltage protection, ensuring that the power supply is not damaged if the input voltage is connected in reverse.

  7. Q: How does LTC4224IDDB-2#TRMPBF handle fault reporting? A: LTC4224IDDB-2#TRMPBF has a fault output pin that can be used to indicate various fault conditions, such as overcurrent or overvoltage events.

  8. Q: Can LTC4224IDDB-2#TRMPBF be used with both AC and DC power sources? A: Yes, LTC4224IDDB-2#TRMPBF can be used with both AC and DC power sources, making it versatile for different applications.

  9. Q: Is LTC4224IDDB-2#TRMPBF suitable for automotive applications? A: Yes, LTC4224IDDB-2#TRMPBF is suitable for automotive applications as it can handle the wide voltage range typically found in automotive systems.

  10. Q: Are there any evaluation boards or reference designs available for LTC4224IDDB-2#TRMPBF? A: Yes, Analog Devices provides evaluation boards and reference designs for LTC4224IDDB-2#TRMPBF, which can help users quickly prototype and implement their technical solutions.

Please note that the answers provided here are general and may vary depending on the specific application and requirements. It is always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.