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BQ24001PWP
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BQ24001PWP

Product Overview

Category

The BQ24001PWP belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This IC is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices, to efficiently charge lithium-ion batteries.

Characteristics

  • High charging efficiency
  • Compact size
  • Low power consumption
  • Overvoltage protection
  • Overcurrent protection
  • Temperature monitoring

Package

The BQ24001PWP is available in a small 20-pin HTSSOP package, which allows for easy integration into various electronic devices.

Essence

The essence of the BQ24001PWP lies in its ability to provide a reliable and efficient charging solution for lithium-ion batteries, ensuring safe and optimized charging cycles.

Packaging/Quantity

The BQ24001PWP is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Input Voltage Range: 4.35V - 6.45V
  • Charging Voltage Range: 3.5V - 4.4V
  • Charging Current Range: 100mA - 1.5A
  • Operating Temperature Range: -40°C to +85°C
  • Standby Current: < 1µA

Detailed Pin Configuration

The BQ24001PWP features 20 pins, each serving a specific function. The pin configuration is as follows:

  1. VBUS: Input voltage from USB port
  2. AC/DC: Input voltage from AC/DC adapter
  3. PGND: Power ground
  4. STAT: Status output
  5. ISET: Charging current setting
  6. TS: Temperature sense input
  7. BAT: Battery voltage sense input
  8. VSS: Ground
  9. VSS: Ground
  10. VSS: Ground
  11. VSS: Ground
  12. VSS: Ground
  13. VSS: Ground
  14. VSS: Ground
  15. VSS: Ground
  16. VSS: Ground
  17. VSS: Ground
  18. VSS: Ground
  19. VSS: Ground
  20. VDD: Power supply

Functional Features

  • Constant current and constant voltage charging modes
  • Thermal regulation for temperature control during charging
  • Automatic detection of USB or AC/DC input source
  • Charging status indication through the STAT pin
  • Adjustable charging current through the ISET pin

Advantages and Disadvantages

Advantages

  • High charging efficiency leads to shorter charging times
  • Comprehensive protection features ensure safe charging
  • Compact size allows for easy integration into small devices
  • Wide operating temperature range enables usage in various environments

Disadvantages

  • Limited charging current range may not be suitable for high-capacity batteries
  • Lack of built-in communication protocols for advanced battery management

Working Principles

The BQ24001PWP operates based on a two-stage charging process. In the first stage, it provides a constant current to the battery until a predefined voltage threshold is reached. Then, it switches to the second stage, where it maintains a constant voltage while gradually reducing the charging current. This ensures efficient and controlled charging without overcharging the battery.

Detailed Application Field Plans

The BQ24001PWP is widely used in portable electronic devices, including but not limited to: - Smartphones - Tablets - Wearable devices - Portable gaming consoles - Bluetooth headsets - Digital cameras

Detailed and Complete Alternative Models

  • BQ24002PWP
  • BQ24003PWP
  • BQ24004PWP
  • BQ24005PWP
  • BQ24006PWP

These alternative models offer similar functionality and characteristics to the BQ24001PWP, providing flexibility in choosing the most suitable IC for specific charging applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BQ24001PWP i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of BQ24001PWP in technical solutions:

  1. Question: What is the BQ24001PWP?
    Answer: The BQ24001PWP is a highly integrated single-cell Li-Ion battery charger IC.

  2. Question: What is the input voltage range for the BQ24001PWP?
    Answer: The input voltage range is typically between 4.35V and 6.5V.

  3. Question: What is the maximum charging current supported by the BQ24001PWP?
    Answer: The BQ24001PWP supports a maximum charging current of 1A.

  4. Question: Can the BQ24001PWP charge other types of batteries besides Li-Ion?
    Answer: No, the BQ24001PWP is specifically designed for single-cell Li-Ion batteries.

  5. Question: Does the BQ24001PWP have built-in overvoltage protection?
    Answer: Yes, the BQ24001PWP has overvoltage protection to prevent damage to the battery.

  6. Question: Can the BQ24001PWP be used in portable devices?
    Answer: Yes, the BQ24001PWP is commonly used in portable devices such as smartphones, tablets, and wearable devices.

  7. Question: Does the BQ24001PWP support USB charging?
    Answer: Yes, the BQ24001PWP supports USB charging with a dedicated USB detection pin.

  8. Question: Is the BQ24001PWP compatible with fast charging technologies?
    Answer: No, the BQ24001PWP does not support fast charging technologies like Quick Charge or Power Delivery.

  9. Question: Can the BQ24001PWP operate in a wide temperature range?
    Answer: Yes, the BQ24001PWP can operate in a temperature range of -40°C to 85°C.

  10. Question: Does the BQ24001PWP have an integrated thermal regulation feature?
    Answer: Yes, the BQ24001PWP has an integrated thermal regulation feature to prevent overheating during charging.

Please note that these answers are general and may vary depending on the specific application and implementation of the BQ24001PWP in a technical solution.