BQ24260YFFR

Product Overview

Category

BQ24260YFFR belongs to the category of battery charging and management integrated circuits (ICs).

Use

This IC is primarily used for managing and charging single-cell lithium-ion or lithium-polymer batteries.

Characteristics

• The BQ24260YFFR offers a compact and efficient solution for battery charging applications.
• It provides various protection features such as overvoltage, overcurrent, and thermal protection.
• The IC supports USB On-The-Go (OTG) functionality, enabling charging of external devices.
• It incorporates a high-efficiency synchronous switching charger with power path management.

Package

The BQ24260YFFR is available in a small 20-pin, 3.5mm x 4.5mm, thin QFN package.

Essence

The essence of the BQ24260YFFR lies in its ability to provide reliable and efficient charging solutions for single-cell lithium-ion or lithium-polymer batteries.

Packaging/Quantity

The BQ24260YFFR is typically sold in reels, with 2500 units per reel.

Specifications

• Input Voltage Range: 3.9V to 6.45V
• Charge Voltage Range: 3.5V to 4.44V
• Charge Current Range: Up to 2A
• Operating Temperature Range: -40°C to +85°C
• Standby Current: < 100µA

Detailed Pin Configuration

1. EN: Enable Pin
2. STAT: Status Output Pin
3. PG: Power Good Output Pin
4. TS: Thermistor Input Pin
5. ISET: Charge Current Programming Pin
6. VBUS: USB Input Supply Pin
7. SYS: System Output Pin
8. BAT: Battery Connection Pin
9. TS/DPDM: Thermistor Input / USB D+/D- Detection Pin
10. SRN: Suspend Request Input Pin
11. ILIM: Input Current Limit Programming Pin
12. VSS: Ground Pin
13. VDD: Power Supply Pin
14. IINDPM: Input Current Detection Pin
15. TS2: Second Thermistor Input Pin
16. TS1: First Thermistor Input Pin
17. VBUS_STAT: USB Input Status Pin
18. INT: Interrupt Output Pin
19. SDA: I2C Data Pin
20. SCL: I2C Clock Pin

Functional Features

1. High-efficiency charging with power path management.
2. Integrated synchronous switching charger for improved efficiency.
3. USB OTG functionality for charging external devices.
4. Comprehensive protection features including overvoltage, overcurrent, and thermal protection.
5. Programmable charge current and input current limit.
6. I2C interface for configuration and monitoring.

Advantages and Disadvantages

Advantages

• Compact and efficient charging solution.
• Supports USB OTG functionality.
• Comprehensive protection features ensure safe charging.
• Programmable charge current and input current limit offer flexibility.
• I2C interface allows for easy configuration and monitoring.

Disadvantages

• Limited to single-cell lithium-ion or lithium-polymer batteries.
• Requires additional external components for complete charging system implementation.

Working Principles

The BQ24260YFFR operates by efficiently converting the input voltage from a USB source into a regulated charging voltage for the connected battery. It utilizes a synchronous switching charger to minimize power loss during the charging process. The IC also incorporates power path management, allowing simultaneous charging of the battery and powering of external devices.

Detailed Application Field Plans

The BQ24260YFFR finds applications in various portable electronic devices, including smartphones, tablets, portable media players, and wearable devices. It is particularly suitable for devices that require efficient and reliable charging solutions for single-cell lithium-ion or lithium-polymer batteries.

Detailed and Complete Alternative Models

1. BQ24250YFFR
2. BQ24251YFFR
3. BQ24252YFFR
4. BQ24253YFFR
5. BQ24254YFFR

These alternative models offer similar functionality and features to the BQ24260YFFR, providing options for different charging requirements and system designs.

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