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BQ24271RGET
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BQ24271RGET

Product Overview

Category

BQ24271RGET belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

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

Characteristics

  • High efficiency: BQ24271RGET incorporates advanced charging algorithms to maximize the charging efficiency.
  • Fast charging: It supports various fast charging protocols, enabling quick charging of the battery.
  • Thermal regulation: The IC includes a thermal regulation feature to prevent overheating during charging.
  • Input voltage protection: BQ24271RGET has built-in protection against overvoltage conditions, ensuring safe operation.
  • Battery temperature monitoring: It monitors the battery temperature to prevent charging if it exceeds safe limits.

Package and Quantity

BQ24271RGET is available in a small 24-pin QFN package. It is typically sold in reels containing a specified quantity, usually around 2500 units per reel.

Specifications

  • Input voltage range: 3.9V to 6.45V
  • Charging current range: Up to 2A
  • Programmable charging voltage: 4.1V to 4.44V
  • Operating temperature range: -40°C to +85°C
  • Standby current: Less than 100µA

Pin Configuration

The BQ24271RGET IC has a total of 24 pins. Here is a detailed pin configuration:

  1. VBUS: Input voltage from the power source
  2. AC/DPDM: Adapter detection input
  3. TS: Temperature sense input
  4. STAT: Status output
  5. PG: Power good output
  6. ISET: Charging current setting input
  7. EN/UVLO: Enable input/Undervoltage lockout input
  8. CE: Charge enable input
  9. SRN: System reset output
  10. SDA: I2C data input/output
  11. SCL: I2C clock input
  12. BAT: Battery voltage sense input
  13. TS/NTC: Temperature sense input/Thermistor input
  14. VSS: Ground
  15. VSS: Ground
  16. VSS: Ground
  17. VSS: Ground
  18. VSS: Ground
  19. VSS: Ground
  20. VSS: Ground
  21. VSS: Ground
  22. VSS: Ground
  23. VDD: Power supply
  24. VDD: Power supply

Functional Features

  • Advanced charging algorithms for efficient battery charging.
  • Support for various fast charging protocols, including Quick Charge and USB Power Delivery.
  • Thermal regulation to prevent overheating during charging.
  • Input voltage protection to safeguard against overvoltage conditions.
  • Battery temperature monitoring to ensure safe charging.

Advantages and Disadvantages

Advantages

  • High charging efficiency
  • Fast charging capability
  • Comprehensive protection features
  • Compact package size
  • Wide operating temperature range

Disadvantages

  • Limited charging current compared to some other models
  • Requires external components for complete charging circuit implementation

Working Principles

BQ24271RGET operates by regulating the charging current and voltage supplied to the lithium-ion battery. It utilizes advanced charging algorithms to optimize the charging process and maximize efficiency. The IC continuously monitors the battery temperature and adjusts the charging parameters accordingly to prevent overheating and ensure safe charging.

Application Field Plans

BQ24271RGET is widely used in various portable electronic devices, including smartphones, tablets, smartwatches, and wireless earphones. Its fast charging capabilities and comprehensive protection features make it suitable for applications where quick and safe battery charging is essential.

Alternative Models

  • BQ24272RGET
  • BQ24273RGET
  • BQ24274RGET
  • BQ24275RGET

These alternative models offer similar functionality and can be used as replacements for BQ24271RGET in various applications.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BQ24271RGET i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of BQ24271RGET in technical solutions:

  1. Q: What is the BQ24271RGET? A: The BQ24271RGET is a highly integrated single-cell Li-Ion battery charger with power path management for portable applications.

  2. Q: What is power path management? A: Power path management allows simultaneous charging of the battery and powering the system from a USB port or an adapter.

  3. Q: What is the input voltage range supported by the BQ24271RGET? A: The BQ24271RGET supports an input voltage range of 4.35V to 6.45V.

  4. Q: What is the maximum charge current supported by the BQ24271RGET? A: The BQ24271RGET supports a maximum charge current of 2A.

  5. Q: Can the BQ24271RGET charge multiple battery chemistries? A: No, the BQ24271RGET is designed specifically for single-cell Li-Ion batteries.

  6. Q: Does the BQ24271RGET have overvoltage protection? A: Yes, the BQ24271RGET has built-in overvoltage protection to prevent damage to the battery.

  7. Q: Can the BQ24271RGET operate in a wide temperature range? A: Yes, the BQ24271RGET can operate in a temperature range of -40°C to +85°C.

  8. Q: Does the BQ24271RGET support thermal regulation? A: Yes, the BQ24271RGET has a built-in thermal regulation feature to prevent overheating during charging.

  9. Q: Can the BQ24271RGET be used in portable devices with USB Type-C ports? A: Yes, the BQ24271RGET is compatible with USB Type-C ports and can be used in such devices.

  10. Q: Does the BQ24271RGET support battery temperature monitoring? A: Yes, the BQ24271RGET has a built-in battery temperature monitoring feature for safe charging.

Please note that these answers are general and may vary depending on the specific implementation and configuration of the BQ24271RGET in a technical solution.