BQ24115RHLR

Product Overview

Category

The BQ24115RHLR belongs to the category of battery charging and management integrated circuits (ICs).

Use

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

Characteristics

• The BQ24115RHLR is a highly efficient and compact charging solution.
• It offers a wide input voltage range, making it suitable for various power sources.
• The IC incorporates multiple safety features to protect the battery during charging.
• It supports fast charging protocols, enabling quick and efficient battery replenishment.

Package

The BQ24115RHLR is available in a small outline package (SOP) with a thermal pad for enhanced heat dissipation.

Essence

The essence of the BQ24115RHLR lies in its ability to provide reliable and efficient charging for lithium-ion and lithium-polymer batteries.

Packaging/Quantity

The BQ24115RHLR is typically sold in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 4.35V to 26V
• Charging Voltage Range: 3.5V to 4.44V
• Charging Current Range: Up to 2A
• Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The BQ24115RHLR has the following pin configuration:

1. EN (Enable)
2. STAT (Status)
3. PG (Power Good)
4. TS (Thermal Sense)
5. VBUS (Input Power Source)
6. SYS (System Output)
7. BAT (Battery Connection)
8. GND (Ground)

Functional Features

• Integrated power FETs for efficient charging.
• Dynamic power path management allows simultaneous charging and system operation.
• Thermal regulation and protection to prevent overheating.
• Battery temperature monitoring for enhanced safety.
• Automatic battery detection and charging profile selection.

Advantages and Disadvantages

Advantages

• High charging efficiency leads to reduced charging times.
• Compact size and thermal pad enhance space utilization and heat dissipation.
• Multiple safety features protect the battery from overcharging, overcurrent, and overheating.
• Wide input voltage range allows compatibility with various power sources.

Disadvantages

• Limited charging current compared to some other ICs in the market.
• Requires external components for complete charging circuit implementation.

Working Principles

The BQ24115RHLR operates by regulating the charging current and voltage supplied to the connected lithium-ion or lithium-polymer battery. It employs a combination of power FETs, thermal regulation, and battery monitoring to ensure safe and efficient charging. The IC dynamically manages the power path between the input source and the battery, allowing simultaneous charging and system operation.

Detailed Application Field Plans

The BQ24115RHLR finds applications in various portable electronic devices that utilize single-cell lithium-ion or lithium-polymer batteries. Some common application fields include:

1. Smartphones and tablets
2. Portable media players
3. Wearable devices
4. Bluetooth headsets
5. Portable gaming consoles

Detailed and Complete Alternative Models

1. BQ24075RGTR: Similar functionality with higher charging current capability.
2. BQ24210DGNR: Offers additional USB OTG support along with battery charging.
3. MCP73831T-2ACI/OT: Competitor IC with comparable specifications and features.

Please note that the above alternative models are provided as examples and there may be other suitable alternatives available in the market.

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