BQ24113RHLRG4 - English Editing Encyclopedia Entry

Product Overview

Category

The BQ24113RHLRG4 belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This IC is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices, to efficiently charge lithium-ion batteries.

Characteristics

• High charging efficiency
• Compact size
• Low power consumption
• Wide input voltage range
• Overvoltage protection
• Thermal regulation

Package

The BQ24113RHLRG4 is available in a small outline package (SOP) with a thermal pad for enhanced heat dissipation.

Essence

The essence of the BQ24113RHLRG4 lies in its ability to provide a reliable and efficient charging solution for lithium-ion batteries in portable electronic devices.

Packaging/Quantity

This IC is typically supplied in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Input Voltage Range: 4.35V to 6.45V
• Charging Voltage Range: 3.5V to 4.44V
• Charging Current Range: 500mA to 2A
• Operating Temperature Range: -40°C to 85°C
• Standby Current: < 100µA
• Battery Regulation Accuracy: ±1%
• Charge Termination Accuracy: ±5%

Detailed Pin Configuration

The BQ24113RHLRG4 features a total of 20 pins, each serving a specific function. The pin configuration is as follows:

1. VBUS: Input voltage from USB port
2. AC/DC: Input voltage from AC adapter
3. PGND: Power ground
4. STAT: Charging status indicator
5. ISET: Charging current setting
6. TS: Temperature sense input
7. VSSOP: Ground
8. VDD: Power supply voltage
9. EN/UVLO: Enable and undervoltage lockout control
10. CE: Charge enable control
11. SDA: I2C data line
12. SCL: I2C clock line
13. INT: Interrupt output
14. ILIM: Input current limit setting
15. BAT: Battery voltage output
16. SYS: System voltage output
17. TS1: Thermistor input 1
18. TS2: Thermistor input 2
19. TS3: Thermistor input 3
20. TS4: Thermistor input 4

Functional Features

• Constant current and constant voltage charging modes
• Thermal regulation to prevent overheating
• Automatic charge termination upon completion
• Overvoltage protection for battery safety
• Programmable charging current limit
• I2C interface for advanced configuration and monitoring

Advantages and Disadvantages

Advantages

• High charging efficiency leads to faster charging times
• Compact size allows for integration into small devices
• Low power consumption reduces energy waste
• Wide input voltage range provides compatibility with various power sources
• Overvoltage protection ensures safe charging
• Thermal regulation prevents damage from excessive heat

Disadvantages

• Limited charging current range may not be suitable for high-capacity batteries
• Requires additional external components for complete charging circuit implementation
• Relatively higher cost compared to simpler charging solutions

Working Principles

The BQ24113RHLRG4 operates based on a switching regulator architecture. It utilizes a combination of constant current and constant voltage charging modes to efficiently charge lithium-ion batteries. The IC monitors the battery voltage, temperature, and charging current to ensure safe and optimal charging conditions. It also incorporates thermal regulation to prevent overheating during the charging process.

Detailed Application Field Plans

The BQ24113RHLRG4 is widely used in various portable electronic devices, including but not limited to: - Smartphones - Tablets - Wearable devices (smartwatches, fitness trackers) - Portable gaming consoles - Bluetooth headphones

Detailed and Complete Alternative Models

1. BQ24116RHLRG4: Similar functionality with additional power path management feature.
2. BQ24118RHLRG4: Higher charging current range for faster charging times.
3. BQ24120RHLRG4: Integrated USB On-The-Go (OTG) support for device-to-device charging.

These alternative models offer similar capabilities to the BQ24113RHLRG4 while providing additional features or improved specifications.

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