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LTC4242CG#TRPBF
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LTC4242CG#TRPBF

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: Power Management
  • Characteristics: High Efficiency, Low Quiescent Current
  • Package: 24-Lead SSOP
  • Essence: PowerPath Controller and Ideal Diode
  • Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

  • Input Voltage Range: 2.7V to 38V
  • Output Voltage Range: 0V to 38V
  • Maximum Continuous Output Current: 5A
  • Quiescent Current: 50µA
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

  1. VIN: Input Voltage
  2. GND: Ground
  3. VOUT: Output Voltage
  4. EN: Enable Pin
  5. FLT: Fault Indicator
  6. PG: Power Good Indicator
  7. ITH: Current Sense Threshold
  8. ILIM: Current Limit Set
  9. VREF: Reference Voltage
  10. VFB: Feedback Voltage
  11. VSENSE: Current Sense Voltage
  12. VCC: Supply Voltage
  13. SDA: I²C Serial Data
  14. SCL: I²C Serial Clock
  15. ADIN: Analog Input
  16. ADOUT: Analog Output
  17. INTVCC: Internal Supply Voltage
  18. NC: No Connection
  19. NC: No Connection
  20. NC: No Connection
  21. NC: No Connection
  22. NC: No Connection
  23. NC: No Connection
  24. NC: No Connection

Functional Features

  • PowerPath Controller with Ideal Diode
  • Seamless Transition between Input and Battery Power Sources
  • Overvoltage Protection
  • Undervoltage Lockout
  • Adjustable Current Limit
  • Programmable Soft-Start
  • I²C Interface for Configuration and Monitoring

Advantages and Disadvantages

Advantages: - Efficient Power Management - Seamless Transition between Power Sources - Overvoltage Protection - Adjustable Current Limit - Programmable Soft-Start

Disadvantages: - Requires External Components for Complete Functionality - Limited Maximum Continuous Output Current (5A)

Working Principles

The LTC4242CG#TRPBF is a power management IC that combines a PowerPath controller and an ideal diode. It allows for seamless transition between input and battery power sources, ensuring uninterrupted power supply to the load. The device features overvoltage protection, undervoltage lockout, adjustable current limit, and programmable soft-start functionality.

The PowerPath controller ensures that the load is powered by the higher voltage source, while the ideal diode prevents reverse current flow from the battery to the input source. This enables efficient power management and protects the circuit from potential damage.

The IC can be configured and monitored through the I²C interface, providing flexibility in adjusting parameters such as current limit and soft-start time.

Detailed Application Field Plans

The LTC4242CG#TRPBF is widely used in various applications where reliable power management is crucial. Some of the common application fields include:

  1. Battery-Powered Systems: Portable devices, such as smartphones, tablets, and laptops, benefit from the seamless transition between battery and external power sources provided by the LTC4242CG#TRPBF.

  2. Industrial Automation: The IC is suitable for controlling power supply in industrial automation systems, ensuring uninterrupted operation and protecting sensitive equipment from voltage fluctuations.

  3. Automotive Electronics: In automotive applications, the LTC4242CG#TRPBF can be utilized for managing power distribution between the vehicle's battery and other power sources, optimizing efficiency and reliability.

  4. Renewable Energy Systems: The IC can be integrated into renewable energy systems, such as solar or wind power installations, to efficiently manage the power generated and ensure smooth operation.

Detailed and Complete Alternative Models

  1. LTC4412ES6#TRMPBF: PowerPath Controller with Reverse Blocking Diode
  2. LTC4413EDD#PBF: Dual Input PowerPath Controller
  3. LTC4414EMS8E#PBF: Low Loss PowerPath Controller
  4. LTC4415EDD#PBF: Dual Input PowerPath Controller with Ideal Diode
  5. LTC4417EDD#PBF: Dual Input PowerPath Controller with Adjustable Current Limit

These alternative models offer similar functionality to the LTC4242CG#TRPBF and can be considered based on specific application requirements.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan LTC4242CG#TRPBF dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of LTC4242CG#TRPBF in technical solutions:

  1. Q: What is LTC4242CG#TRPBF? A: LTC4242CG#TRPBF is a power management IC (integrated circuit) designed for hot-swappable applications, providing protection and control for high-power systems.

  2. Q: What are the key features of LTC4242CG#TRPBF? A: Some key features include overvoltage protection, undervoltage lockout, current limiting, thermal shutdown, and reverse current blocking.

  3. Q: How does LTC4242CG#TRPBF provide overvoltage protection? A: LTC4242CG#TRPBF monitors the voltage across an external sense resistor and shuts off the power path if the voltage exceeds a set threshold, protecting downstream components.

  4. Q: Can LTC4242CG#TRPBF handle high currents? A: Yes, LTC4242CG#TRPBF can handle high currents up to 8A, making it suitable for various high-power applications.

  5. Q: What is undervoltage lockout (UVLO)? A: UVLO is a feature that ensures the input voltage is above a certain threshold before enabling the power path, preventing operation at insufficient voltages.

  6. Q: Does LTC4242CG#TRPBF support reverse current blocking? A: Yes, LTC4242CG#TRPBF incorporates a MOSFET-based reverse current blocking circuitry to prevent current flow from the output back to the input.

  7. Q: Can LTC4242CG#TRPBF be used in battery charging applications? A: Yes, LTC4242CG#TRPBF can be used in battery charging applications, providing protection and control during the charging process.

  8. Q: What is thermal shutdown? A: Thermal shutdown is a safety feature that protects the IC by shutting down the power path when the temperature exceeds a certain threshold, preventing damage due to overheating.

  9. Q: Is LTC4242CG#TRPBF suitable for automotive applications? A: Yes, LTC4242CG#TRPBF is designed to meet automotive-grade specifications, making it suitable for use in automotive systems.

  10. Q: Are there any evaluation boards or reference designs available for LTC4242CG#TRPBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs for LTC4242CG#TRPBF, which can help users quickly prototype their applications.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with the manufacturer for detailed information.