BQ24266RGER

BQ24266RGER

Product Overview

Category

BQ24266RGER 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: BQ24266RGER incorporates advanced charging algorithms and power management techniques to maximize charging efficiency.
• Fast charging: It supports various fast charging protocols, including USB Battery Charging Specification (BC 1.2), Chinese Telecommunication Industry Standard YD/T 1591-2009, and others.
• Thermal regulation: The IC includes a built-in thermal regulation feature to prevent overheating during charging.
• Safety features: BQ24266RGER integrates multiple safety mechanisms, such as overvoltage protection, overcurrent protection, and short-circuit protection, ensuring safe and reliable charging.

Package

BQ24266RGER is available in a small outline package (SON) with 24 pins.

Essence

The essence of BQ24266RGER lies in its ability to provide efficient and reliable charging solutions for lithium-ion batteries in portable electronic devices.

Packaging/Quantity

This product is typically sold in reels, with each reel containing a specific quantity of BQ24266RGER ICs. The exact quantity may vary depending on the supplier.

Specifications

• Input voltage range: 3.9V to 6.45V
• Output voltage range: 3.9V to 6.45V
• Charging current range: Up to 3A
• Operating temperature range: -40°C to 85°C
• Integrated power FETs: Yes
• Charge termination: Automatic
• Battery temperature monitoring: Yes
• Status indication: LED or GPIO

Detailed Pin Configuration

1. VBUS: Input voltage from USB power source
2. AC/DC: Input voltage from an AC/DC adapter
3. TS: Battery temperature sense input
4. STAT: Status indication output
5. PG: Power good indication output
6. CE: Charge enable input
7. ISET: Charging current setting input
8. PROG: Programming resistor connection
9. BAT: Battery positive terminal
10. SYS: System load output
11. GND: Ground reference
12. TS/NTC: Battery temperature sense or NTC thermistor connection
13. TS/NTC: Battery temperature sense or NTC thermistor connection
14. TS/NTC: Battery temperature sense or NTC thermistor connection
15. TS/NTC: Battery temperature sense or NTC thermistor connection
16. TS/NTC: Battery temperature sense or NTC thermistor connection
17. TS/NTC: Battery temperature sense or NTC thermistor connection
18. TS/NTC: Battery temperature sense or NTC thermistor connection
19. TS/NTC: Battery temperature sense or NTC thermistor connection
20. TS/NTC: Battery temperature sense or NTC thermistor connection
21. TS/NTC: Battery temperature sense or NTC thermistor connection
22. TS/NTC: Battery temperature sense or NTC thermistor connection
23. TS/NTC: Battery temperature sense or NTC thermistor connection
24. TS/NTC: Battery temperature sense or NTC thermistor connection

Functional Features

• Constant current (CC) and constant voltage (CV) charging modes
• Automatic charge termination based on battery voltage and current thresholds
• Thermal regulation to prevent overheating
• Dynamic power management for optimal charging efficiency
• Support for various fast charging protocols
• Safety features including overvoltage, overcurrent, and short-circuit protection

Advantages and Disadvantages

Advantages

• High charging efficiency
• Fast charging capability
• Integrated safety mechanisms
• Compact package size
• Wide input and output voltage range

Disadvantages

• Limited pin configuration options
• Requires external programming resistor for certain functionalities

Working Principles

BQ24266RGER operates based on a combination of charging algorithms and power management techniques. It regulates the charging current and voltage to ensure efficient and safe charging of lithium-ion batteries. The IC monitors battery parameters such as voltage, current, and temperature to determine the appropriate charging mode and termination conditions.

Detailed Application Field Plans

BQ24266RGER is widely used in various portable electronic devices, including smartphones, tablets, smartwatches, and wireless earbuds. Its fast charging capabilities and integrated safety features make it suitable for applications where quick and reliable battery charging is essential.

Detailed and Complete Alternative Models

1. BQ24267RGER: Similar to BQ24266RGER with additional support for USB On-The-Go (