BQ2002DSNTRG4

Product Overview

Category

BQ2002DSNTRG4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for battery charging applications.

Characteristics

• Integrated circuit designed for battery charging
• Offers various charging modes and protection features
• Efficient and reliable performance

Package

BQ2002DSNTRG4 is available in a small outline package (SOP) with a specific pin configuration.

Essence

The essence of BQ2002DSNTRG4 lies in its ability to efficiently charge batteries while providing necessary protection mechanisms.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a specified quantity per package.

Specifications

• Input voltage range: 4.5V to 26V
• Charging current range: 100mA to 1.5A
• Operating temperature range: -40°C to +85°C
• Battery voltage accuracy: ±1%
• Charge termination accuracy: ±0.5%

Detailed Pin Configuration

BQ2002DSNTRG4 has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. BAT: Battery connection
4. TS: Temperature sense input
5. PROG: Programming input
6. STAT: Status output
7. TMR: Timer input
8. VREF: Reference voltage output

Functional Features

• Multiple charging modes: BQ2002DSNTRG4 supports constant current, constant voltage, and trickle charging modes.
• Charge termination: The IC includes an accurate charge termination mechanism to prevent overcharging and ensure battery safety.
• Temperature monitoring: It incorporates temperature sensing to adjust charging parameters based on ambient conditions.
• LED status indication: The status output pin provides visual indication of the charging process.
• Timer control: The timer input allows for precise control over charging duration.

Advantages and Disadvantages

Advantages

• Versatile charging modes cater to different battery types and requirements.
• Accurate charge termination prevents overcharging, extending battery life.
• Temperature monitoring ensures safe charging in various environmental conditions.
• LED status indication simplifies user interface and enhances user experience.

Disadvantages

• Limited charging current range may not be suitable for high-capacity batteries.
• Programming input may require additional external components for customization.

Working Principles

BQ2002DSNTRG4 operates by regulating the charging current and voltage based on the programmed parameters. It continuously monitors the battery voltage, temperature, and charging time to ensure optimal charging performance. Once the battery reaches the desired voltage or charging time exceeds a specified limit, the IC terminates the charging process to prevent overcharging.

Detailed Application Field Plans

BQ2002DSNTRG4 finds applications in various fields, including: 1. Portable electronic devices: Used for charging batteries in smartphones, tablets, and portable media players. 2. Power tools: Enables efficient charging of batteries in cordless power tools. 3. Electric vehicles: Facilitates the charging of electric vehicle batteries. 4. Renewable energy systems: Integrates with solar or wind power systems for battery charging.

Detailed and Complete Alternative Models

1. BQ2000DSNTRG4: Similar functionality with minor differences in specifications.
2. BQ2002CSNTRG4: Alternate package option with the same features as BQ2002DSNTRG4.
3. BQ2004DSNTRG4: Advanced version with additional features such as battery authentication.

Note: This is not an exhaustive list, and there may be other alternative models available in the market.

In conclusion, BQ2002DSNTRG4 is a versatile integrated circuit designed for battery charging applications. With its multiple charging modes, accurate charge termination, and temperature monitoring, it offers efficient and reliable performance. It finds applications in various fields, including portable electronic devices, power tools, electric vehicles, and renewable energy systems.