BQ25015RHLTG4 - English Editing Encyclopedia Entry

Product Overview

Category

BQ25015RHLTG4 belongs to the category of integrated circuits (ICs).

Use

This product is primarily used as a battery charger IC.

Characteristics

• BQ25015RHLTG4 is a high-performance, single-cell Li-Ion battery charger.
• It offers a compact and efficient solution for charging lithium-ion batteries.
• The IC incorporates various safety features to ensure reliable and safe charging.
• It supports a wide input voltage range, making it suitable for various applications.

Package and Quantity

BQ25015RHLTG4 is available in a small outline package (SOT-23) with a quantity of 3000 units per reel.

Essence

The essence of BQ25015RHLTG4 lies in its ability to provide a reliable and efficient charging solution for single-cell Li-Ion batteries.

Packaging/Quantity

The product is packaged in a small outline package (SOT-23) and comes in reels containing 3000 units.

Specifications

• Input Voltage Range: 4.35V to 6.5V
• Charging Current: Up to 1.5A
• Charge Termination Voltage: 4.2V ± 1%
• Precharge Threshold Voltage: 2.9V ± 1%
• Operating Temperature Range: -40°C to +85°C
• Integrated Safety Features: Overvoltage protection, overcurrent protection, thermal shutdown, and reverse polarity protection.

Detailed Pin Configuration

The BQ25015RHLTG4 IC has the following pin configuration:

1. VDD - Power supply input
2. GND - Ground reference
3. PROG - Programming pin for setting charge current
4. STAT - Status output pin indicating charging status
5. TS - Temperature sense input pin
6. BAT - Battery connection pin

Functional Features

• Constant current and constant voltage charging modes for optimal battery charging.
• Programmable charge current through the PROG pin.
• Integrated thermal regulation to prevent overheating during charging.
• Charge status indication through the STAT pin.
• Automatic recharge feature to maintain battery capacity.

Advantages and Disadvantages

Advantages

• High-performance charging solution for single-cell Li-Ion batteries.
• Wide input voltage range allows compatibility with various power sources.
• Compact package size enables space-efficient designs.
• Integrated safety features ensure reliable and safe charging.

Disadvantages

• Limited to single-cell Li-Ion battery charging applications.
• Not suitable for multi-cell battery charging requirements.

Working Principles

BQ25015RHLTG4 operates based on a constant current and constant voltage charging algorithm. It regulates the charging current and voltage to ensure efficient and safe charging of single-cell Li-Ion batteries. The IC incorporates safety features such as overvoltage protection, overcurrent protection, thermal shutdown, and reverse polarity protection to safeguard the battery and charging circuitry.

Detailed Application Field Plans

BQ25015RHLTG4 finds application in various portable electronic devices that utilize single-cell Li-Ion batteries. Some potential application fields include: - Smartphones and tablets - Portable medical devices - Wearable devices - Wireless communication devices - Portable audio/video players

Detailed and Complete Alternative Models

1. BQ24075RGTR - Single-cell Li-Ion battery charger IC with similar specifications and features.
2. MCP73831T-2ACI/OT - Another alternative IC for single-cell Li-Ion battery charging.
3. LTC4054LES5-4.2#TRMPBF - Integrated circuit offering similar functionality for single-cell Li-Ion battery charging.

These alternative models provide similar charging capabilities and safety features, offering flexibility in design choices.

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