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LTC4223IGN-2#PBF
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LTC4223IGN-2#PBF

Product Overview

Category

The LTC4223IGN-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 and protection applications in various electronic systems. It provides features that ensure safe and reliable power delivery, making it suitable for a wide range of applications.

Characteristics

  • Power management IC with advanced protection features
  • High efficiency and low power consumption
  • Compact package for space-constrained designs
  • Robust design for reliable operation in harsh environments

Package

The LTC4223IGN-2#PBF is available in an industry-standard 16-pin SSOP (Shrink Small Outline Package) package. This package offers excellent thermal performance and ease of integration into circuit boards.

Essence

The essence of the LTC4223IGN-2#PBF lies in its ability to protect sensitive electronic components from power-related issues such as overvoltage, undervoltage, and reverse polarity. It ensures safe and uninterrupted power supply to critical systems.

Packaging/Quantity

The LTC4223IGN-2#PBF is typically packaged in reels or tubes, depending on the manufacturer's preference. The quantity per reel/tube may vary but is usually around 250 units.

Specifications

  • Input Voltage Range: 2.9V to 18V
  • Operating Temperature Range: -40°C to 85°C
  • Quiescent Current: 50μA (typical)
  • Overvoltage Protection Threshold: Adjustable
  • Undervoltage Protection Threshold: Adjustable
  • Reverse Polarity Protection: Yes
  • Fault Detection and Reporting: Yes
  • Maximum Output Current: 2A

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground reference pin
  3. FLT: Fault output pin
  4. EN: Enable pin
  5. OVSET: Overvoltage protection threshold setting pin
  6. UVSET: Undervoltage protection threshold setting pin
  7. VOUT: Output voltage pin
  8. PGND: Power ground reference pin
  9. SENSE+: Positive current sense input pin
  10. SENSE-: Negative current sense input pin
  11. RSENSE: Current sense resistor connection pin
  12. SS: Soft-start capacitor connection pin
  13. FB: Feedback pin
  14. OCSET: Overcurrent protection threshold setting pin
  15. GATE: Gate drive output pin
  16. VCC: Supply voltage pin

Functional Features

  1. Power Supply Protection: The LTC4223IGN-2#PBF offers comprehensive protection against overvoltage, undervoltage, and reverse polarity conditions. It ensures that the connected system remains safe from potential damage caused by power supply issues.

  2. Fault Detection and Reporting: This IC continuously monitors the input and output voltages, as well as the current flowing through it. In case of any fault condition, it generates a fault signal on the FLT pin, allowing the system to take appropriate action.

  3. Adjustable Protection Thresholds: The overvoltage and undervoltage protection thresholds can be adjusted using external resistors connected to the OVSET and UVSET pins. This flexibility enables customization according to specific application requirements.

  4. Efficient Power Management: With its low quiescent current and high efficiency, the LTC4223IGN-2#PBF minimizes power losses and maximizes battery life in portable devices or energy-conscious applications.

Advantages and Disadvantages

Advantages

  • Comprehensive power supply protection
  • Adjustable protection thresholds
  • Fault detection and reporting capability
  • High efficiency and low power consumption
  • Compact package for space-constrained designs

Disadvantages

  • Limited maximum output current (2A)
  • Requires external resistors for threshold adjustment

Working Principles

The LTC4223IGN-2#PBF operates by continuously monitoring the input voltage, output voltage, and current flowing through it. It compares these values with the user-defined protection thresholds to detect any fault conditions. In case of an overvoltage, undervoltage, or reverse polarity event, the IC quickly shuts down the power path to prevent damage to the connected system. It also generates a fault signal on the FLT pin to notify the system about the fault condition.

Detailed Application Field Plans

The LTC4223IGN-2#PBF finds applications in various fields where reliable power supply protection is crucial. Some of the potential application areas include:

  1. Industrial Automation: This IC can be used in industrial control systems, PLCs (Programmable Logic Controllers), and motor drives to ensure uninterrupted power supply and protect critical components from power-related issues.

  2. Telecommunications: In telecom infrastructure equipment such as base stations, routers, and switches, the LTC422

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av LTC4223IGN-2#PBF i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of LTC4223IGN-2#PBF in technical solutions:

  1. Q: What is LTC4223IGN-2#PBF? A: LTC4223IGN-2#PBF is a dual ideal diode controller designed for power supply ORing applications.

  2. Q: What is the purpose of LTC4223IGN-2#PBF? A: LTC4223IGN-2#PBF allows multiple power sources to be connected in parallel, providing seamless power transfer and protection against reverse current flow.

  3. Q: How does LTC4223IGN-2#PBF work? A: LTC4223IGN-2#PBF uses MOSFETs to control the direction of current flow, ensuring that power is drawn from the highest voltage source while preventing reverse current flow.

  4. Q: What are the key features of LTC4223IGN-2#PBF? A: Some key features include low voltage drop, adjustable current limit, fault detection, thermal shutdown, and enable inputs for each channel.

  5. Q: Can LTC4223IGN-2#PBF handle high currents? A: Yes, LTC4223IGN-2#PBF can handle high currents up to several amps, depending on the external MOSFETs used.

  6. Q: Is LTC4223IGN-2#PBF suitable for automotive applications? A: Yes, LTC4223IGN-2#PBF is suitable for automotive applications due to its wide input voltage range, fault detection, and thermal shutdown features.

  7. Q: Can I use LTC4223IGN-2#PBF with different types of power sources? A: Yes, LTC4223IGN-2#PBF can be used with various types of power sources, including batteries, AC/DC adapters, and other DC power supplies.

  8. Q: How do I set the current limit on LTC4223IGN-2#PBF? A: The current limit can be adjusted by selecting appropriate external sense resistors connected to the ILIM pins of LTC4223IGN-2#PBF.

  9. Q: Does LTC4223IGN-2#PBF provide any fault indication? A: Yes, LTC4223IGN-2#PBF provides a fault output pin that can be used to indicate overcurrent or reverse voltage conditions.

  10. Q: Can I use LTC4223IGN-2#PBF in parallel for higher current applications? A: Yes, multiple LTC4223IGN-2#PBF devices can be used in parallel to handle higher current requirements by connecting their inputs and outputs together.

Please note that these answers are general and may vary depending on the specific application and design considerations. It is always recommended to refer to the LTC4223IGN-2#PBF datasheet and consult the manufacturer's technical support for detailed information.