BQ24260YFFT - English Editing Encyclopedia Entry

Product Overview

Category

The BQ24260YFFT belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

This product is primarily used for managing power in portable electronic devices such as smartphones, tablets, and other battery-powered devices.

Characteristics

• The BQ24260YFFT is a highly efficient power management IC that offers advanced charging capabilities.
• It supports various charging modes, including fast charging, trickle charging, and USB On-The-Go (OTG) charging.
• This IC incorporates multiple protection features to ensure safe charging and prevent damage to the device or battery.
• It is designed to optimize charging efficiency and reduce power dissipation, thereby extending battery life.

Package and Quantity

The BQ24260YFFT is available in a small form factor package, typically a 20-pin QFN (Quad Flat No-Lead) package. It is supplied in reels or tubes, with a standard quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 3.9V to 6.45V
• Charging Voltage Range: 3.5V to 4.44V
• Charging Current Range: Up to 2A
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 95%
• Protection Features: Overvoltage protection, overcurrent protection, thermal regulation, and battery temperature monitoring.

Pin Configuration

The BQ24260YFFT has a total of 20 pins, each serving a specific function. Here is a detailed pin configuration:

1. VIN: Input voltage pin
2. VBUS: USB input voltage pin
3. PGND: Power ground pin
4. SYS: System output voltage pin
5. TS: Thermistor input pin for battery temperature monitoring
6. ISET: Charging current setting pin
7. STAT: Status output pin
8. CE: Charge enable pin
9. SDA: I2C data pin
10. SCL: I2C clock pin
11. TS/NTC: Thermistor input or NTC thermistor input pin
12. VSSOP: Power ground pin
13. VBAT: Battery voltage pin
14. VOUT: Output voltage pin
15. ILIM: Input current limit setting pin
16. EN2: Enable 2 pin
17. EN1: Enable 1 pin
18. TMR: Timer pin
19. INT: Interrupt output pin
20. VSS: Power ground pin

Functional Features

The BQ24260YFFT offers several functional features that enhance its performance and usability:

• Advanced Charging Algorithms: The IC incorporates sophisticated charging algorithms to optimize the charging process, ensuring fast and efficient charging while maintaining battery health.
• USB OTG Support: It supports USB On-The-Go (OTG) functionality, allowing the device to act as a host or peripheral, expanding its capabilities.
• Battery Temperature Monitoring: The IC monitors the battery temperature through an external thermistor or NTC thermistor, preventing overheating and ensuring safe charging.
• Status Indication: The STAT pin provides status information, indicating various charging states such as charging, fully charged, or fault conditions.
• Protection Mechanisms: The BQ24260YFFT includes built-in protection mechanisms like overvoltage, overcurrent, and thermal regulation, safeguarding the device and battery from potential damage.

Advantages and Disadvantages

Advantages

• High charging efficiency, reducing power dissipation and extending battery life.
• Versatile charging modes cater to different device requirements.
• Compact package size allows for easy integration into various electronic devices.
• Multiple protection features ensure safe and reliable charging.

Disadvantages

• Limited availability of alternative models from other manufacturers.
• Requires careful consideration of external components for optimal performance.

Working Principles

The BQ24260YFFT operates based on a combination of power management techniques. It regulates the charging process by monitoring input voltage, battery voltage, and temperature. The IC adjusts charging parameters dynamically to optimize efficiency and protect the battery from overcharging or overheating.

When connected to a power source, the IC detects the input voltage and initiates the charging process. It continuously monitors the battery voltage and adjusts the charging current accordingly. The integrated algorithms ensure that the battery is charged efficiently while preventing any potential damage.

Application Field Plans

The BQ24260YFFT finds applications in a wide range of portable electronic devices, including but not limited to: - Smartphones - Tablets - Wearable devices - Portable gaming consoles - Bluetooth speakers - Digital cameras

Its versatile charging capabilities and compact form factor make it suitable for various battery-powered devices requiring efficient and reliable power management.

Alternative Models

While