BQ24113ARHLRG4

Product Overview

Category

BQ24113ARHLRG4 belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging lithium-ion batteries in various electronic devices such as smartphones, tablets, portable media players, and other portable electronic devices.

Characteristics

• Integrated circuit designed for battery charging applications
• Supports fast charging of lithium-ion batteries
• Compact package for space-constrained designs
• High efficiency charging with low power dissipation
• Multiple protection features for safe charging

Package

BQ24113ARHLRG4 is available in a small outline package (SOP) with a thermal pad for enhanced heat dissipation. The package type is 20-VQFN.

Essence

The essence of BQ24113ARHLRG4 lies in its ability to efficiently charge lithium-ion batteries while ensuring safety and reliability. It incorporates advanced charging algorithms and protection mechanisms to optimize battery performance and extend its lifespan.

Packaging/Quantity

This product 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: Up to 1.5A
• Operating Temperature Range: -40°C to +85°C
• Standby Current: < 100µA
• Battery Regulation Accuracy: ±0.5%
• Charge Termination Accuracy: ±5%

Detailed Pin Configuration

The BQ24113ARHLRG4 IC has the following pin configuration:

1. VBUS: Input voltage from the USB port or external power source.
2. GND: Ground reference for the IC.
3. STAT: Status output pin indicating charging status.
4. TS: Thermistor input for temperature monitoring.
5. PROG: Pin used to set the charging current.
6. PG: Power good output indicating successful charging.
7. EN: Enable pin to control the charging operation.
8. BAT: Battery connection pin.
9. SYS: System output voltage pin.
10. ISET: Current sense resistor connection pin.

Functional Features

• Constant current/constant voltage (CC/CV) charging algorithm
• Thermal regulation and protection
• Overvoltage and overcurrent protection
• Battery temperature monitoring
• Charge termination based on battery voltage and current thresholds
• Automatic recharge feature after battery discharge

Advantages and Disadvantages

Advantages

• Efficient charging with low power dissipation
• Compact package suitable for space-constrained designs
• Multiple protection features ensure safe charging
• Wide input voltage range allows compatibility with various power sources

Disadvantages

• Limited charging current capacity (up to 1.5A)
• Requires external components for complete charging system implementation

Working Principles

BQ24113ARHLRG4 utilizes a CC/CV charging algorithm to charge lithium-ion batteries. It starts with a constant current phase until the battery voltage reaches a predetermined threshold. Then, it switches to a constant voltage phase to maintain the battery voltage while gradually reducing the charging current. The IC continuously monitors the battery temperature and adjusts the charging parameters accordingly to prevent overheating and ensure safe charging.

Detailed Application Field Plans

BQ24113ARHLRG4 is widely used in various portable electronic devices that require efficient and reliable battery charging. Some of the common application fields include:

1. Smartphones and tablets
2. Portable media players
3. Wearable devices
4. Bluetooth headphones and speakers
5. GPS navigation systems
6. Portable gaming consoles

Detailed and Complete Alternative Models

1. BQ24110RHLRG4
2. BQ24112ARHLRG4
3. BQ24116RHLRG4
4. BQ24118RHLRG4
5. BQ24119RHLRG4

These alternative models offer similar functionality and features, providing options for different design requirements and specifications.

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