BQ2084DBT-V123

Product Overview

Category

BQ2084DBT-V123 belongs to the category of integrated circuits (ICs) specifically designed for battery management systems.

Use

This product is primarily used for monitoring and controlling rechargeable batteries in various applications, such as portable electronic devices, electric vehicles, and renewable energy systems.

Characteristics

• Integrated circuit designed for battery management
• Monitors battery voltage, current, temperature, and state of charge
• Controls charging and discharging processes
• Provides protection against overcharging, over-discharging, and over-temperature conditions

Package

BQ2084DBT-V123 is available in a small outline transistor (SOT) package, which ensures easy integration into electronic devices.

Essence

The essence of this product lies in its ability to accurately monitor and control battery parameters, ensuring optimal performance and safety.

Packaging/Quantity

BQ2084DBT-V123 is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of ICs. The exact packaging and quantity may vary depending on the manufacturer.

Specifications

• Input Voltage Range: 2.7V to 4.5V
• Operating Temperature Range: -40°C to +85°C
• Battery Voltage Measurement Accuracy: ±10mV
• Current Measurement Accuracy: ±1%
• Communication Interface: I2C/SMBus

Detailed Pin Configuration

The BQ2084DBT-V123 IC has the following pin configuration:

1. VSS: Ground
2. SDA: Serial Data Line (I2C/SMBus)
3. SCL: Serial Clock Line (I2C/SMBus)
4. ALERT: Alert Output
5. TS: Temperature Sense Input
6. BAT: Battery Voltage Sense Input
7. SRP: System Reset Output
8. VDD: Power Supply

Functional Features

1. Battery Monitoring: The IC continuously measures battery voltage, current, and temperature to accurately determine the state of charge and health of the battery.
2. Charging Control: It regulates the charging process by monitoring the charging current and voltage, ensuring safe and efficient charging.
3. Discharging Control: The IC prevents over-discharging of the battery by monitoring the discharge current and voltage, protecting the battery from damage.
4. Protection Mechanisms: BQ2084DBT-V123 incorporates various protection features, including overcharge, over-discharge, and over-temperature protection, safeguarding the battery and the device it powers.

Advantages and Disadvantages

Advantages

• Accurate battery monitoring and control
• Comprehensive protection mechanisms
• Compact package for easy integration
• Wide operating temperature range

Disadvantages

• Limited compatibility with certain battery chemistries
• Requires additional external components for complete battery management system implementation

Working Principles

BQ2084DBT-V123 operates based on the principles of measuring battery parameters, comparing them against predefined thresholds, and controlling the charging and discharging processes accordingly. It communicates with the host system through the I2C/SMBus interface, providing real-time battery information and receiving commands for control.

Detailed Application Field Plans

BQ2084DBT-V123 finds applications in a wide range of fields, including: 1. Portable Electronic Devices: Smartphones, tablets, laptops, and wearable devices benefit from accurate battery monitoring and protection. 2. Electric Vehicles: Battery management is crucial for electric vehicles to ensure optimal performance, range, and safety. 3. Renewable Energy Systems: Solar power systems, wind turbines, and energy storage solutions rely on effective battery management for efficient utilization of renewable energy.

Detailed and Complete Alternative Models

1. BQ2085DBT-V123: Similar to BQ2084DBT-V123, but with additional features for enhanced battery management.
2. BQ2086DBT-V123: Advanced version with extended compatibility and improved performance characteristics.

Note: The above alternative models are provided as examples and may vary depending on the manufacturer.

This entry provides a comprehensive overview of the BQ2084DBT-V123 integrated circuit, including its product category, use, characteristics, package, specifications, pin configuration, functional features, advantages and disadvantages, working principles, application field plans, and alternative models.