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LT3651IUHE-4.1#TRPBF
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LT3651IUHE-4.1#TRPBF

Product Overview

Category

LT3651IUHE-4.1#TRPBF belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in battery charging applications.

Characteristics

  • Input Voltage Range: 4V to 32V
  • Output Voltage: 4.1V
  • Charging Current: Up to 2A
  • Package Type: QFN-28
  • Essence: High Efficiency Battery Charger
  • Packaging/Quantity: Tape & Reel, 2500 pieces per reel

Specifications

The specifications for LT3651IUHE-4.1#TRPBF are as follows:

  • Input Voltage Range: 4V to 32V
  • Output Voltage: 4.1V ±1%
  • Charging Current: Up to 2A
  • Charge Termination: Programmable
  • Maximum Float Voltage: 4.2V
  • Efficiency: Up to 94%
  • Operating Temperature Range: -40°C to 125°C
  • Package Type: QFN-28

Detailed Pin Configuration

The pin configuration for LT3651IUHE-4.1#TRPBF is as follows:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. PROG: Programming pin for charge termination current
  4. ISET: Programming pin for charge current
  5. STAT: Status output pin
  6. FLT: Fault indicator pin
  7. TS: Thermal shutdown pin
  8. VFB: Feedback voltage pin
  9. BAT: Battery connection pin
  10. ILIM: Current limit programming pin
  11. PGND: Power ground pin
  12. VCC: Supply voltage pin
  13. SDA: I2C data pin
  14. SCL: I2C clock pin
  15. NC: No connection
  16. NC: No connection
  17. NC: No connection
  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
  25. NC: No connection
  26. NC: No connection
  27. NC: No connection
  28. NC: No connection

Functional Features

The LT3651IUHE-4.1#TRPBF offers the following functional features:

  • Wide input voltage range allows for versatile use in various applications.
  • High charging current capability of up to 2A enables fast charging of batteries.
  • Programmable charge termination current and maximum float voltage provide flexibility in charging different battery types.
  • Efficient operation with up to 94% efficiency minimizes power loss during charging.
  • Fault indicator pin (FLT) provides a signal when a fault condition occurs.
  • Thermal shutdown pin (TS) protects the device from overheating.

Advantages and Disadvantages

Advantages

  • Wide input voltage range allows for compatibility with different power sources.
  • High charging current capability enables fast charging of batteries.
  • Programmable charge termination and float voltage offer flexibility for different battery chemistries.
  • Efficient operation reduces power loss during charging.
  • Fault indicator pin provides easy fault detection.

Disadvantages

  • Limited availability of alternative models.
  • May require additional external components for specific applications.

Working Principles

The LT3651IUHE-4.1#TRPBF is a high-efficiency battery charger IC that utilizes a switching regulator topology. It operates by converting the input voltage to a regulated output voltage suitable for charging batteries. The charging process involves multiple stages, including pre-conditioning, constant current charging, and constant voltage charging. The IC incorporates various protection features to ensure safe and reliable charging.

Detailed Application Field Plans

The LT3651IUHE-4.1#TRPBF is commonly used in the following application fields:

  1. Portable electronic devices
  2. Battery-powered equipment
  3. Solar-powered systems
  4. Electric vehicles
  5. Industrial automation

Detailed and Complete Alternative Models

While the LT3651IUHE-4.1#TRPBF is a highly capable battery charger IC, alternative models with similar functionalities include:

  1. LTC4000-1: High Efficiency Battery Charger IC
  2. MAX8903A: Standalone Battery Charger IC
  3. BQ24650: Synchronous Switch-Mode Battery Charge Controller

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

In conclusion, the LT3651IUHE-4.1#TRPBF is a versatile integrated circuit designed for efficient battery charging applications. With its wide input voltage range, high charging current capability, and programmable features, it offers flexibility and reliability in various application fields. While alternative models exist,

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng LT3651IUHE-4.1#TRPBF trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of LT3651IUHE-4.1#TRPBF in technical solutions:

Q1: What is the LT3651IUHE-4.1#TRPBF? A1: The LT3651IUHE-4.1#TRPBF is a high-efficiency, low-quiescent current, standalone Li-Ion battery charger with a programmable charge current up to 2A.

Q2: What is the input voltage range for the LT3651IUHE-4.1#TRPBF? A2: The input voltage range is from 4.95V to 32V, making it suitable for a wide range of power sources.

Q3: Can the LT3651IUHE-4.1#TRPBF charge multiple batteries simultaneously? A3: No, the LT3651IUHE-4.1#TRPBF is designed to charge a single Li-Ion battery at a time.

Q4: What is the maximum charge current that can be programmed for the LT3651IUHE-4.1#TRPBF? A4: The LT3651IUHE-4.1#TRPBF supports programmable charge currents up to 2A.

Q5: Does the LT3651IUHE-4.1#TRPBF have built-in thermal protection? A5: Yes, the LT3651IUHE-4.1#TRPBF features thermal regulation and protection to prevent overheating during charging.

Q6: Can the LT3651IUHE-4.1#TRPBF operate in a wide temperature range? A6: Yes, the LT3651IUHE-4.1#TRPBF is designed to operate in a temperature range of -40°C to 125°C.

Q7: Does the LT3651IUHE-4.1#TRPBF support battery temperature monitoring? A7: Yes, the LT3651IUHE-4.1#TRPBF has a dedicated pin for battery temperature monitoring.

Q8: Can the LT3651IUHE-4.1#TRPBF be used in portable devices? A8: Yes, the LT3651IUHE-4.1#TRPBF is suitable for various portable applications such as smartphones, tablets, and portable medical devices.

Q9: What is the typical efficiency of the LT3651IUHE-4.1#TRPBF? A9: The LT3651IUHE-4.1#TRPBF has a high typical efficiency of up to 94%.

Q10: Is the LT3651IUHE-4.1#TRPBF RoHS compliant? A10: Yes, the LT3651IUHE-4.1#TRPBF is RoHS compliant, ensuring it meets environmental regulations.

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 technical experts for accurate information.