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BQ25600CYFFT
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BQ25600CYFFT - English Editing Encyclopedia Entry

Product Overview

Category

The BQ25600CYFFT belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This IC is primarily used for battery charging applications in various electronic devices, such as smartphones, tablets, portable media players, and other portable electronic devices.

Characteristics

  • The BQ25600CYFFT is a highly efficient single-cell Li-Ion battery charger.
  • It supports input voltages ranging from 3.9V to 14V, making it compatible with a wide range of power sources.
  • This IC offers a programmable charge current up to 3A, allowing for fast charging capabilities.
  • It incorporates various safety features like thermal regulation, overvoltage protection, and short-circuit protection to ensure safe and reliable charging.

Package and Quantity

The BQ25600CYFFT is available in a small form factor package known as VQFN (Very Thin Quad Flat No-Lead). It consists of 24 pins and has a compact size of 4mm x 4mm. The IC is typically sold in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 3.9V to 14V
  • Charge Current Range: Up to 3A (programmable)
  • Charging Efficiency: Up to 95%
  • Operating Temperature Range: -40°C to +85°C
  • Battery Voltage Regulation Accuracy: ±0.5%
  • Standby Current: <100µA

Pin Configuration

The BQ25600CYFFT features a total of 24 pins, each serving a specific function. Here is a detailed pin configuration:

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. TS: Thermal sense pin
  4. ISET: Charge current setting pin
  5. STAT: Status indication pin
  6. PG: Power good indication pin
  7. VBUS: USB input voltage pin
  8. SDA: I2C data pin
  9. SCL: I2C clock pin
  10. BAT: Battery voltage pin
  11. TS1: Thermistor input 1
  12. TS2: Thermistor input 2
  13. TS3: Thermistor input 3
  14. TS4: Thermistor input 4
  15. TS5: Thermistor input 5
  16. TS6: Thermistor input 6
  17. TS7: Thermistor input 7
  18. TS8: Thermistor input 8
  19. TS9: Thermistor input 9
  20. TS10: Thermistor input 10
  21. TS11: Thermistor input 11
  22. TS12: Thermistor input 12
  23. TS13: Thermistor input 13
  24. TS14: Thermistor input 14

Functional Features

  • Fast Charging: The BQ25600CYFFT supports high charge currents, enabling fast charging of Li-Ion batteries.
  • Thermal Regulation: It incorporates a thermal regulation feature to prevent overheating during charging, ensuring safe operation.
  • Input Voltage Protection: The IC includes overvoltage protection, safeguarding the device from potential damage caused by excessive input voltages.
  • Charge Status Indication: The STAT pin provides real-time status information about the charging process, allowing users to monitor the battery's charge level.

Advantages and Disadvantages

Advantages

  • High charging efficiency, resulting in reduced charging times.
  • Compact size and small form factor package enable easy integration into various electronic devices.
  • Programmable charge current allows flexibility in charging different battery capacities.
  • Comprehensive safety features ensure reliable and safe charging.

Disadvantages

  • Limited to single-cell Li-Ion battery charging applications.
  • Requires additional external components for complete battery charging solutions.

Working Principles

The BQ25600CYFFT operates based on a switching charger architecture. It utilizes a high-frequency switching regulator to convert the input voltage into a regulated charging voltage suitable for the connected Li-Ion battery. The IC employs a constant current/constant voltage (CC/CV) charging algorithm to efficiently charge the battery while maintaining its safety and longevity.

Detailed Application Field Plans

The BQ25600CYFFT finds extensive application in various portable electronic devices, including: - Smartphones - Tablets - Portable media players - Bluetooth headsets - Wearable devices - Digital cameras - Handheld gaming consoles

Detailed and Complete Alternative Models

  1. BQ25601CYFFT: Similar to BQ25600CYFFT but with additional USB On-The-Go (OTG) support.
  2. BQ25602CYFFT: Offers dual-cell Li-Ion battery charging capabilities.
  3. BQ25603CYFFT: Provides enhanced thermal

Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von BQ25600CYFFT in technischen Lösungen auf

  1. Q: What is the input voltage range of BQ25600CYFFT? A: The input voltage range of BQ25600CYFFT is 3.9V to 6.2V.

  2. Q: What is the maximum charge current supported by BQ25600CYFFT? A: BQ25600CYFFT supports a maximum charge current of 3A.

  3. Q: Can BQ25600CYFFT be used for charging single-cell Li-Ion or Li-Polymer batteries? A: Yes, BQ25600CYFFT is designed for charging single-cell Li-Ion or Li-Polymer batteries.

  4. Q: What is the thermal regulation feature in BQ25600CYFFT? A: BQ25600CYFFT includes thermal regulation to optimize the charge rate based on the device temperature.

  5. Q: Does BQ25600CYFFT support USB On-The-Go (OTG) functionality? A: Yes, BQ25600CYFFT supports USB OTG functionality for powering external devices.

  6. Q: What is the standby quiescent current of BQ25600CYFFT? A: The standby quiescent current of BQ25600CYFFT is typically 15µA.

  7. Q: Can BQ25600CYFFT operate in a wide temperature range? A: Yes, BQ25600CYFFT can operate in a wide temperature range from -40°C to 85°C.

  8. Q: What are the key protection features of BQ25600CYFFT? A: BQ25600CYFFT includes protection features such as input overvoltage protection, thermal shutdown, and battery temperature monitoring.

  9. Q: Is BQ25600CYFFT suitable for portable electronic devices? A: Yes, BQ25600CYFFT is suitable for a wide range of portable electronic devices including smartphones, tablets, and portable speakers.

  10. Q: What is the typical efficiency of BQ25600CYFFT? A: The typical efficiency of BQ25600CYFFT is around 92% under typical operating conditions.