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LTC4000IUFD#PBF

LTC4000IUFD#PBF

Product Overview

Category

LTC4000IUFD#PBF belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for battery charging applications.

Characteristics

  • High efficiency
  • Wide input voltage range
  • Programmable charging current
  • Accurate voltage and current regulation
  • Thermal shutdown protection

Package

LTC4000IUFD#PBF is available in a 28-lead QFN package.

Essence

The essence of LTC4000IUFD#PBF lies in its ability to efficiently charge batteries while providing accurate voltage and current regulation.

Packaging/Quantity

This product is typically packaged in reels, with 250 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 60V
  • Charging Current Range: 10mA to 50A
  • Regulation Accuracy: ±1%
  • Operating Temperature Range: -40°C to 125°C
  • Package Dimensions: 5mm x 5mm

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. VREF: Reference voltage pin
  4. ISET: Charging current set pin
  5. STAT: Status output pin
  6. PROG: Programming pin
  7. TSNS: Temperature sense pin
  8. BAT: Battery connection pin
  9. VCC: Supply voltage pin
  10. ILIM: Current limit pin
  11. FLT: Fault indicator pin
  12. SDA: I2C data pin
  13. SCL: I2C clock pin
  14. INTVCC: Internal supply voltage pin
  15. VSENSE: Voltage sense pin
  16. VOUT: Output voltage pin
  17. PGND: Power ground pin
  18. PGOOD: Power good indicator pin
  19. VREF2: Reference voltage 2 pin
  20. ITH: Thermal shutdown pin
  21. IADJ: Current adjust pin
  22. VADJ: Voltage adjust pin
  23. VFB: Feedback voltage pin
  24. COMP: Compensation pin
  25. SS: Soft-start pin
  26. FB2: Feedback voltage 2 pin
  27. BST: Boost pin
  28. SW: Switching pin

Functional Features

  • Wide input voltage range allows for versatile applications.
  • Programmable charging current enables customization based on battery requirements.
  • Accurate voltage and current regulation ensure precise charging.
  • Thermal shutdown protection prevents damage due to excessive heat.

Advantages and Disadvantages

Advantages

  • High efficiency leads to reduced power loss.
  • Wide input voltage range accommodates various power sources.
  • Accurate regulation ensures optimal battery charging.
  • Thermal shutdown protection enhances safety.

Disadvantages

  • Limited availability of alternative models.
  • Relatively complex pin configuration may require additional design considerations.

Working Principles

LTC4000IUFD#PBF operates by converting the input voltage into a regulated output voltage suitable for charging batteries. It utilizes a combination of control circuitry, feedback loops, and power switching components to achieve efficient and accurate charging.

Detailed Application Field Plans

LTC4000IUFD#PBF finds application in various fields, including: 1. Electric vehicles 2. Portable electronics 3. Renewable energy systems 4. Industrial equipment 5. Medical devices

Detailed and Complete Alternative Models

While LTC4000IUFD#PBF is a highly capable battery charger IC, there are alternative models available in the market that offer similar functionality. Some notable alternatives include: 1. LTC4011 2. MAX8903A 3. BQ24650

These alternative models provide comparable features and can be considered based on specific application requirements.

In conclusion, LTC4000IUFD#PBF is a versatile integrated circuit designed for efficient battery charging applications. With its wide input voltage range, programmable charging current, and accurate regulation, it offers significant advantages in various fields. However, designers should consider the relatively complex pin configuration and limited availability of alternative models when selecting this product for their applications.

10 domande e risposte comuni relative all'applicazione di LTC4000IUFD#PBF nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of LTC4000IUFD#PBF in technical solutions:

  1. Q: What is LTC4000IUFD#PBF? A: LTC4000IUFD#PBF is a high-performance battery charger controller IC designed for various battery chemistries and charging profiles.

  2. Q: What are the key features of LTC4000IUFD#PBF? A: Some key features include wide input voltage range, high efficiency, precision charge current regulation, temperature compensation, and programmable charging algorithms.

  3. Q: Which battery chemistries does LTC4000IUFD#PBF support? A: LTC4000IUFD#PBF supports a wide range of battery chemistries including Li-Ion, LiFePO4, lead-acid, and nickel-based chemistries.

  4. Q: Can LTC4000IUFD#PBF handle multiple batteries simultaneously? A: Yes, LTC4000IUFD#PBF can be configured to charge multiple batteries in series or parallel configurations.

  5. Q: How does LTC4000IUFD#PBF ensure safe charging? A: LTC4000IUFD#PBF incorporates various safety features such as overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe charging operations.

  6. Q: Is LTC4000IUFD#PBF suitable for fast charging applications? A: Yes, LTC4000IUFD#PBF supports fast charging with its high charge current capability and programmable charging algorithms.

  7. Q: Can LTC4000IUFD#PBF operate in a wide temperature range? A: Yes, LTC4000IUFD#PBF has a wide operating temperature range, typically from -40°C to 85°C, making it suitable for various environments.

  8. Q: Does LTC4000IUFD#PBF provide any communication interfaces? A: No, LTC4000IUFD#PBF does not have built-in communication interfaces. It is a standalone battery charger controller.

  9. Q: Can LTC4000IUFD#PBF be used in portable devices? A: Yes, LTC4000IUFD#PBF is commonly used in portable devices such as smartphones, tablets, and handheld instruments.

  10. Q: Are there any evaluation boards or reference designs available for LTC4000IUFD#PBF? A: Yes, Linear Technology (now part of Analog Devices) provides evaluation boards and reference designs that can help users quickly prototype and implement LTC4000IUFD#PBF in their applications.

Please note that the specific details and features of LTC4000IUFD#PBF may vary, so it's always recommended to refer to the datasheet and application notes for accurate information.