BQ2002EPN

Product Overview

Category

BQ2002EPN belongs to the category of integrated circuits (ICs).

Use

The BQ2002EPN IC is primarily used for battery charging applications.

Characteristics

• Integrated circuit designed for battery charging
• High efficiency and accuracy
• Compact size for easy integration
• Wide operating voltage range
• Low power consumption

Package

BQ2002EPN is available in a standard 8-pin plastic dual in-line package (PDIP).

Essence

The essence of BQ2002EPN lies in its ability to efficiently and accurately charge batteries, making it an essential component in various electronic devices.

Packaging/Quantity

BQ2002EPN is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 4.5V to 26V
• Charging Current Range: 50mA to 1A
• Operating Temperature Range: -40°C to +85°C
• Output Voltage Accuracy: ±1%
• Charge Termination Options: Timer, Voltage, or Temperature

Detailed Pin Configuration

The BQ2002EPN IC features the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. BAT: Battery connection
4. PROG: Programming pin for setting charging parameters
5. THERM: Temperature sensing input
6. TIMER: Timer control input
7. STAT: Status output pin
8. VREF: Reference voltage output

Functional Features

1. Battery Charging Control: BQ2002EPN provides precise control over the charging process, ensuring optimal charging performance.
2. Charge Termination Options: The IC offers multiple charge termination options such as timer, voltage, or temperature, allowing flexibility in charging strategies.
3. Temperature Sensing: BQ2002EPN incorporates temperature sensing capabilities to prevent overcharging and ensure safe operation.
4. Status Output: The status output pin provides information about the charging process, enabling monitoring and control.

Advantages and Disadvantages

Advantages

• High efficiency charging
• Accurate voltage regulation
• Multiple charge termination options
• Compact size for easy integration
• Wide operating voltage range

Disadvantages

• Limited maximum charging current (1A)
• Requires external programming for specific charging parameters

Working Principles

BQ2002EPN utilizes a sophisticated charging algorithm that regulates the charging current and voltage based on the battery's characteristics. It continuously monitors the battery's state and adjusts the charging parameters accordingly. The IC ensures efficient charging while preventing overcharging or undercharging, thereby extending the battery's lifespan.

Detailed Application Field Plans

The BQ2002EPN IC finds applications in various fields, including: 1. Portable electronic devices (e.g., smartphones, tablets) 2. Power tools 3. Electric vehicles 4. Medical devices 5. Renewable energy systems

Detailed and Complete Alternative Models

Some alternative models to BQ2002EPN include: 1. BQ2000EPN 2. BQ2001EPN 3. BQ2003EPN 4. BQ2004EPN

These models offer similar functionality and can be considered as alternatives depending on specific requirements.

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