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BQ24751RHDR
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BQ24751RHDR - English Editing Encyclopedia Entry

Product Overview

Category: Integrated Circuits (ICs)

Use: Battery Charger Controller

Characteristics: - High-efficiency synchronous switch-mode charger - Supports multiple battery chemistries - Programmable charge current and voltage - Wide input voltage range - Advanced safety features

Package: 32-VQFN (5x5)

Essence: The BQ24751RHDR is a battery charger controller IC designed for high-efficiency charging of various battery chemistries.

Packaging/Quantity: Tape & Reel, 2500 units per reel

Specifications

The BQ24751RHDR has the following specifications:

  • Input Voltage Range: 3.6V to 24V
  • Charge Voltage Range: 2.4V to 25.2V
  • Charge Current Range: Up to 8A
  • Efficiency: Up to 98%
  • Operating Temperature Range: -40°C to 85°C

Pin Configuration

The BQ24751RHDR has a 32-pin VQFN package with the following pin configuration:

  1. ACIN
  2. ACOK
  3. ACDET
  4. BAT
  5. TS
  6. SRN
  7. SRP
  8. ISET
  9. PROG
  10. VREF
  11. VSS
  12. VSS
  13. VSS
  14. VSS
  15. VSS
  16. VSS
  17. VSS
  18. VSS
  19. VSS
  20. VSS
  21. VSS
  22. VSS
  23. VSS
  24. VSS
  25. VSS
  26. VSS
  27. VSS
  28. VSS
  29. VSS
  30. VSS
  31. VSS
  32. VDD

Functional Features

The BQ24751RHDR offers the following functional features:

  1. High-efficiency charging: The synchronous switch-mode charger ensures efficient power transfer during the charging process.
  2. Battery chemistry support: The IC is compatible with multiple battery chemistries, allowing flexibility in charging different types of batteries.
  3. Programmable charge current and voltage: Users can adjust the charge current and voltage settings according to their specific requirements.
  4. Wide input voltage range: The IC supports a wide input voltage range, making it suitable for various power sources.
  5. Advanced safety features: The BQ24751RHDR incorporates safety mechanisms such as overvoltage protection, overcurrent protection, and thermal regulation to ensure safe charging operations.

Advantages and Disadvantages

Advantages: - High charging efficiency - Compatibility with multiple battery chemistries - Flexibility in charge current and voltage settings - Wide input voltage range for versatile usage - Enhanced safety features for reliable charging

Disadvantages: - Limited pin configuration options - Requires additional external components for complete charging circuit implementation

Working Principles

The BQ24751RHDR operates based on a switch-mode charging principle. It regulates the charging process by controlling the charge current and voltage according to the programmed settings. The synchronous switching mechanism ensures high efficiency by minimizing power losses during charging. Safety features protect against potential hazards such as overvoltage, overcurrent, and excessive temperature.

Detailed Application Field Plans

The BQ24751RHDR finds applications in various fields, including: 1. Portable electronic devices: Smartphones, tablets, laptops, etc. 2. Power banks: External battery packs for charging mobile devices on-the-go. 3. Electric vehicles: Battery charging systems for electric cars, scooters, and bicycles. 4. Industrial equipment: Battery-powered tools, machinery, and devices.

Detailed and Complete Alternative Models

  1. BQ24753RHDR
  2. BQ24757RHDR
  3. BQ24758RHDR
  4. BQ24759RHDR
  5. BQ24760RHDR

These alternative models offer similar functionalities and can be considered as alternatives to the BQ24751RHDR for specific application requirements.

Word Count: 408 words

Liệt kê 10 câu hỏi và câu trả lời thường gặp liên quan đến ứng dụng BQ24751RHDR trong giải pháp kỹ thuật

Sure! Here are 10 common questions and answers related to the application of BQ24751RHDR in technical solutions:

  1. Question: What is the BQ24751RHDR?
    Answer: The BQ24751RHDR is a battery charger IC designed for use in portable devices, such as laptops and tablets.

  2. Question: What is the input voltage range supported by the BQ24751RHDR?
    Answer: The BQ24751RHDR supports an input voltage range of 4.5V to 24V.

  3. Question: What is the maximum charging current provided by the BQ24751RHDR?
    Answer: The BQ24751RHDR can provide a maximum charging current of up to 8A.

  4. Question: Can the BQ24751RHDR charge multiple batteries simultaneously?
    Answer: Yes, the BQ24751RHDR has the capability to charge multiple batteries in series or parallel configurations.

  5. Question: Does the BQ24751RHDR support fast charging?
    Answer: Yes, the BQ24751RHDR supports various fast charging protocols, such as USB PD and Qualcomm Quick Charge.

  6. Question: Is the BQ24751RHDR compatible with different battery chemistries?
    Answer: Yes, the BQ24751RHDR is compatible with a wide range of battery chemistries, including Li-Ion, Li-Polymer, and NiMH.

  7. Question: Does the BQ24751RHDR have built-in safety features?
    Answer: Yes, the BQ24751RHDR incorporates several safety features, such as overvoltage protection, overcurrent protection, and thermal shutdown.

  8. Question: Can the BQ24751RHDR be controlled and monitored through a microcontroller?
    Answer: Yes, the BQ24751RHDR has an I2C interface that allows for control and monitoring of charging parameters through a microcontroller.

  9. Question: What is the operating temperature range of the BQ24751RHDR?
    Answer: The BQ24751RHDR can operate within a temperature range of -40°C to 85°C.

  10. Question: Is the BQ24751RHDR available in different package options?
    Answer: Yes, the BQ24751RHDR is available in a small outline package (SOP) with exposed thermal pad for efficient heat dissipation.

Please note that these answers are general and may vary depending on the specific implementation and datasheet of the BQ24751RHDR.