Texas Instruments
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BQ24103ARHLT
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BQ24103ARHLT

Product Overview

Category

BQ24103ARHLT 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
  • Fast charging capability
  • Overvoltage protection
  • Overcurrent protection
  • Thermal regulation
  • Compact size

Package

BQ24103ARHLT is available in a small 20-pin VQFN package, which allows for easy integration into various electronic devices.

Essence

The essence of BQ24103ARHLT lies in its ability to provide a reliable and efficient charging solution for lithium-ion batteries, ensuring optimal performance and safety.

Packaging/Quantity

This IC is typically sold in reels or tubes, with each reel or tube containing a specific quantity of BQ24103ARHLT ICs. The exact quantity may vary depending on the supplier.

Specifications

  • Input voltage range: 4.35V - 6.45V
  • Charging current range: 500mA - 2A
  • Output voltage range: 3.5V - 4.44V
  • Operating temperature range: -40°C to +85°C
  • Efficiency: Up to 94%
  • Standby current: <100µA

Detailed Pin Configuration

  1. EN (Enable)
  2. STAT (Status)
  3. PG (Power Good)
  4. ISET (Charging Current Set)
  5. TS (Thermal Sense)
  6. VBUS (Input Voltage)
  7. VSS (Ground)
  8. VBAT (Battery Voltage)
  9. SRN (System Reset)
  10. SCL (I2C Serial Clock)
  11. SDA (I2C Serial Data)
  12. VDD (Power Supply)
  13. TS1 (Thermal Sense 1)
  14. TS2 (Thermal Sense 2)
  15. TS3 (Thermal Sense 3)
  16. TS4 (Thermal Sense 4)
  17. TS5 (Thermal Sense 5)
  18. TS6 (Thermal Sense 6)
  19. TS7 (Thermal Sense 7)
  20. TS8 (Thermal Sense 8)

Functional Features

  • Constant current/constant voltage charging
  • Battery temperature monitoring
  • Charging status indication
  • Overvoltage and overcurrent protection
  • Thermal regulation for safe operation
  • I2C interface for configuration and control

Advantages and Disadvantages

Advantages

  • High charging efficiency ensures faster charging times.
  • Comprehensive protection features safeguard the battery and device.
  • Compact size allows for easy integration into various electronic devices.
  • I2C interface enables flexible configuration and control.

Disadvantages

  • Limited input voltage range may not be suitable for all applications.
  • Requires external components for complete charging circuit implementation.

Working Principles

BQ24103ARHLT operates based on a constant current/constant voltage charging algorithm. It regulates the charging current and voltage to ensure optimal charging efficiency while protecting the battery from overvoltage, overcurrent, and excessive temperature.

The IC continuously monitors the battery temperature and adjusts the charging parameters accordingly. It also provides status indications through the STAT pin, allowing the device to communicate the charging progress to the user.

Detailed Application Field Plans

BQ24103ARHLT is widely used in various portable electronic devices, including smartphones, tablets, smartwatches, and other wearable devices. Its compact size, high efficiency, and comprehensive protection features make it an ideal choice for these applications.

Detailed and Complete Alternative Models

  • BQ24103ARHDT
  • BQ24103ARHLR
  • BQ24103ARHLTG
  • BQ24103ARHLTV

These alternative models offer similar functionality and characteristics to BQ24103ARHLT, providing flexibility in choosing the most suitable IC for specific applications.

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Énumérez 10 questions et réponses courantes liées à l'application de BQ24103ARHLT dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of BQ24103ARHLT in technical solutions:

  1. Question: What is the input voltage range for BQ24103ARHLT?
    Answer: The input voltage range for BQ24103ARHLT is typically between 3.9V and 6.2V.

  2. Question: What is the maximum charging current supported by BQ24103ARHLT?
    Answer: BQ24103ARHLT supports a maximum charging current of 1.5A.

  3. Question: Can BQ24103ARHLT charge multiple battery chemistries?
    Answer: No, BQ24103ARHLT is specifically designed for single-cell Li-Ion or Li-Polymer batteries.

  4. Question: Does BQ24103ARHLT have overvoltage protection?
    Answer: Yes, BQ24103ARHLT has built-in overvoltage protection to prevent damage to the battery.

  5. Question: What is the thermal regulation feature in BQ24103ARHLT?
    Answer: The thermal regulation feature in BQ24103ARHLT adjusts the charging current based on the temperature to prevent overheating.

  6. Question: Can BQ24103ARHLT operate in a trickle charge mode?
    Answer: Yes, BQ24103ARHLT supports trickle charge mode for low-current charging when the battery is almost full.

  7. Question: Is BQ24103ARHLT compatible with USB Type-C?
    Answer: No, BQ24103ARHLT does not support USB Type-C interface. It is designed for standard USB-A connections.

  8. Question: What is the purpose of the power path management feature in BQ24103ARHLT?
    Answer: The power path management feature allows the device to simultaneously power the system and charge the battery.

  9. Question: Does BQ24103ARHLT have a programmable charge termination current?
    Answer: No, BQ24103ARHLT does not have a programmable charge termination current. It uses a fixed value for charge termination.

  10. Question: Can BQ24103ARHLT be used in portable devices like smartphones or tablets?
    Answer: Yes, BQ24103ARHLT is commonly used in portable devices to provide efficient charging for single-cell Li-Ion or Li-Polymer batteries.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.