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LTC4012IUF-1#PBF
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LTC4012IUF-1#PBF

Product Overview

Category

The LTC4012IUF-1#PBF belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, laptops, and portable power banks.

Characteristics

  • Integrated circuit for battery charging
  • Specifically designed for lithium-ion batteries
  • High efficiency charging algorithm
  • Wide input voltage range
  • Multiple charging modes
  • Overvoltage and overcurrent protection
  • Temperature monitoring and thermal shutdown

Package

The LTC4012IUF-1#PBF is available in a compact 32-pin QFN (Quad Flat No-Lead) package. This package offers excellent thermal performance and ease of integration into electronic devices.

Essence

The essence of the LTC4012IUF-1#PBF lies in its ability to efficiently charge lithium-ion batteries while providing various protection mechanisms to ensure safe and reliable operation.

Packaging/Quantity

The LTC4012IUF-1#PBF is typically supplied in tape and reel packaging. The quantity per reel may vary depending on the manufacturer's specifications.

Specifications

  • Input Voltage Range: 4.5V to 36V
  • Charging Current Range: Up to 4A
  • Charging Voltage Range: 3.6V to 4.2V
  • Operating Temperature Range: -40°C to 85°C
  • Efficiency: Up to 95%
  • Charge Termination Options: C/10 or timer
  • Battery Temperature Monitoring Range: -40°C to 125°C

Detailed Pin Configuration

The LTC4012IUF-1#PBF features a total of 32 pins. The pin configuration is as follows:

  1. VIN: Input voltage
  2. GND: Ground
  3. VCC: Supply voltage for internal circuitry
  4. BAT: Battery connection
  5. TS: Temperature sense input
  6. PROG: Programming pin for setting charging parameters
  7. ISET: Charging current set pin
  8. STAT1: Status indicator 1
  9. STAT2: Status indicator 2
  10. STAT3: Status indicator 3
  11. STAT4: Status indicator 4
  12. STAT5: Status indicator 5
  13. STAT6: Status indicator 6
  14. STAT7: Status indicator 7
  15. STAT8: Status indicator 8
  16. STAT9: Status indicator 9
  17. STAT10: Status indicator 10
  18. STAT11: Status indicator 11
  19. STAT12: Status indicator 12
  20. STAT13: Status indicator 13
  21. STAT14: Status indicator 14
  22. STAT15: Status indicator 15
  23. STAT16: Status indicator 16
  24. STAT17: Status indicator 17
  25. STAT18: Status indicator 18
  26. STAT19: Status indicator 19
  27. STAT20: Status indicator 20
  28. STAT21: Status indicator 21
  29. STAT22: Status indicator 22
  30. STAT23: Status indicator 23
  31. STAT24: Status indicator 24
  32. STAT25: Status indicator 25

Functional Features

  • High-efficiency charging algorithm ensures fast and efficient battery charging.
  • Wide input voltage range allows compatibility with various power sources.
  • Multiple charging modes (constant current, constant voltage) for optimal charging performance.
  • Overvoltage and overcurrent protection mechanisms safeguard the battery and the charging circuitry.
  • Temperature monitoring and thermal shutdown prevent overheating and ensure safe operation.

Advantages and Disadvantages

Advantages

  • Efficient charging algorithm results in faster charging times.
  • Wide input voltage range allows for versatile use in different applications.
  • Multiple charging modes provide flexibility for various battery types.
  • Comprehensive protection mechanisms ensure safe and reliable charging.

Disadvantages

  • Limited to lithium-ion battery charging applications.
  • Requires proper programming and configuration for optimal performance.

Working Principles

The LTC4012IUF-1#PBF operates based on a high-efficiency charging algorithm. It regulates the charging current and voltage to ensure optimal charging of lithium-ion batteries. The integrated circuit continuously monitors the battery's voltage, temperature, and charging status to adjust the charging parameters accordingly. This ensures efficient and safe charging while protecting the battery from overvoltage, overcurrent, and overheating conditions.

Detailed Application Field Plans

The LTC4012IUF-1#PBF is widely used in various electronic devices that require lithium-ion battery charging capabilities. Some common application fields include:

  1. Smartphones and tablets
  2. Laptops and ultrabooks
  3. Portable power banks
  4. Wearable devices 5

10個與LTC4012IUF-1#PBF在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of LTC4012IUF-1#PBF in technical solutions:

Q1: What is the LTC4012IUF-1#PBF? A1: The LTC4012IUF-1#PBF is a high-performance standalone linear charger for single-cell Lithium-Ion batteries.

Q2: What is the input voltage range for the LTC4012IUF-1#PBF? A2: The input voltage range is from 4.5V to 6.5V.

Q3: What is the maximum charge current supported by LTC4012IUF-1#PBF? A3: The LTC4012IUF-1#PBF supports a maximum charge current of 4A.

Q4: Can the LTC4012IUF-1#PBF charge other types of batteries apart from Lithium-Ion? A4: No, the LTC4012IUF-1#PBF is specifically designed for charging single-cell Lithium-Ion batteries.

Q5: Does the LTC4012IUF-1#PBF have built-in thermal regulation? A5: Yes, the LTC4012IUF-1#PBF has built-in thermal regulation to prevent overheating during charging.

Q6: What is the operating temperature range for the LTC4012IUF-1#PBF? A6: The LTC4012IUF-1#PBF can operate within a temperature range of -40°C to +85°C.

Q7: Can the LTC4012IUF-1#PBF be used in automotive applications? A7: Yes, the LTC4012IUF-1#PBF is suitable for automotive applications as it meets AEC-Q100 standards.

Q8: Does the LTC4012IUF-1#PBF support battery temperature monitoring? A8: Yes, the LTC4012IUF-1#PBF supports battery temperature monitoring for safe charging.

Q9: Can the LTC4012IUF-1#PBF be used in portable devices? A9: Yes, the LTC4012IUF-1#PBF is suitable for portable devices due to its compact size and low power consumption.

Q10: Is there any protection mechanism in place to prevent overcharging or overvoltage? A10: Yes, the LTC4012IUF-1#PBF has built-in protection features like overvoltage protection and overcurrent protection to ensure safe charging.

Please note that these answers are based on general information about the LTC4012IUF-1#PBF. For specific technical details and application requirements, it is recommended to refer to the datasheet or consult the manufacturer's documentation.