BQ24259RGET

Product Overview

Category

BQ24259RGET 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 their batteries.

Characteristics

• High charging efficiency
• Fast charging capability
• Multiple protection features for safe charging
• Compact package size
• Low power consumption during standby mode

Package

BQ24259RGET is available in a small 24-pin QFN (Quad Flat No-leads) package, which allows for easy integration into various electronic devices.

Essence

The essence of BQ24259RGET lies in its ability to provide efficient and reliable charging solutions for portable electronic devices, ensuring optimal battery performance and user convenience.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of BQ24259RGET ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input voltage range: 4.35V to 6.45V
• Output voltage range: 3.5V to 4.44V
• Charging current range: 500mA to 2A
• Operating temperature range: -40°C to 85°C
• Integrated thermal regulation and protection mechanisms

Detailed Pin Configuration

1. VBUS: Input voltage pin
2. PGND: Power ground pin
3. TS: Temperature sense input pin
4. STAT: Status output pin
5. ISET: Charging current setting pin
6. EN: Enable control pin
7. CE: Charge enable input pin
8. SDA: I2C data input/output pin
9. SCL: I2C clock input pin
10. BAT: Battery voltage sense input pin
11. TS/NTC: Temperature sense or NTC thermistor input pin
12. VSSOP: Power ground pin
13. VDD: Power supply pin
14. INT: Interrupt output pin
15. ILIM: Input current limit setting pin
16. SDA: I2C data input/output pin
17. SCL: I2C clock input pin
18. TS/NTC: Temperature sense or NTC thermistor input pin
19. VSSOP: Power ground pin
20. VDD: Power supply pin
21. INT: Interrupt output pin
22. ILIM: Input current limit setting pin
23. PGND: Power ground pin
24. VBUS: Input voltage pin

Functional Features

• Integrated battery charging management system
• Automatic detection of USB adapter type
• Dynamic power path management for simultaneous charging and discharging
• Programmable charging parameters through I2C interface
• Fault protection mechanisms to prevent overvoltage, overcurrent, and overheating

Advantages and Disadvantages

Advantages

• High charging efficiency leads to reduced charging time
• Fast charging capability allows for quick battery top-ups
• Multiple protection features ensure safe charging and prevent damage to the device or battery
• Compact package size enables easy integration into space-constrained devices
• Low power consumption during standby mode helps conserve energy

Disadvantages

• Limited compatibility with certain battery chemistries or voltage ranges
• Requires additional external components for complete charging system implementation
• Relatively higher cost compared to basic charging ICs

Working Principles

BQ24259RGET operates based on a switching regulator architecture that efficiently converts the input voltage to the desired output voltage for battery charging. It incorporates various control algorithms and feedback mechanisms to regulate the charging current and voltage, ensuring optimal charging performance while protecting the battery from overcharging or excessive current.

Detailed Application Field Plans

BQ24259RGET finds extensive application in the following fields:

1. Mobile devices: Smartphones, tablets, and portable media players
2. Wearable devices: Smartwatches, fitness trackers, and wireless earbuds
3. Portable gaming consoles
4. IoT (Internet of Things) devices powered by rechargeable batteries
5. Medical devices: Portable diagnostic tools and monitoring devices

Detailed and Complete Alternative Models

1. BQ24250RGET
2. BQ24251RGET
3. BQ24252RGET
4. BQ24253RGET
5. BQ24254RGET
6. BQ24255RGET
7. BQ24256RGET
8. BQ24257RGET
9. BQ24258RGET

These alternative models offer similar functionality and features to BQ24259RGET, with slight variations in specifications and pin configurations.

In conclusion, BQ24259RGET is a highly efficient and versatile integrated circuit designed