BQ2085DBTR-V1P2

Product Overview

Category

BQ2085DBTR-V1P2 belongs to the category of integrated circuits (ICs) specifically designed for battery management.

Use

This product is primarily used for monitoring and controlling rechargeable batteries in various electronic devices, such as laptops, smartphones, and electric vehicles.

Characteristics

• Integrated circuit for battery management
• Monitors battery voltage, current, and temperature
• Controls charging and discharging processes
• Provides protection against overcharging, over-discharging, and short circuits

Package

BQ2085DBTR-V1P2 is available in a small outline transistor (SOT) package, which ensures easy integration into electronic devices.

Essence

The essence of BQ2085DBTR-V1P2 lies in its ability to accurately monitor and control battery parameters, ensuring optimal performance and safety.

Packaging/Quantity

This product 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 Capacity Range: Up to 5000mAh
• Communication Interface: I2C
• Dimensions: 3mm x 3mm x 0.8mm

Detailed Pin Configuration

1. VSS: Ground connection
2. SDA: Serial data input/output for communication
3. SCL: Serial clock input for communication
4. ALERT: Interrupt output for system status indication
5. BAT: Battery voltage sense input
6. TS: Temperature sense input
7. SRP: System reset output
8. SDA2: Second serial data input/output for communication
9. SCL2: Second serial clock input for communication

Functional Features

1. Battery Monitoring: BQ2085DBTR-V1P2 continuously monitors battery voltage, current, and temperature to ensure safe operation.
2. Charging Control: It regulates the charging process, preventing overcharging and optimizing battery life.
3. Discharging Control: The IC manages the discharging process, protecting the battery from over-discharge and extending its lifespan.
4. Protection Mechanisms: BQ2085DBTR-V1P2 incorporates various protection features, including short circuit protection and thermal shutdown, ensuring the safety of the battery and the device.

Advantages and Disadvantages

Advantages

• Accurate battery monitoring and control
• Enhanced safety through protection mechanisms
• Compact size for easy integration
• Wide operating temperature range

Disadvantages

• Limited compatibility with certain battery chemistries
• Requires I2C communication interface support in the host device

Working Principles

BQ2085DBTR-V1P2 operates by continuously measuring battery voltage, current, and temperature using dedicated sensing inputs. It communicates with the host device through the I2C interface, providing real-time information about the battery's state. Based on this data, the IC controls the charging and discharging processes, ensuring optimal performance and safety.

Detailed Application Field Plans

BQ2085DBTR-V1P2 finds applications in a wide range of electronic devices that utilize rechargeable batteries. Some notable application fields include:

1. Laptops and Tablets: Ensures accurate battery monitoring and extends battery life.
2. Smartphones and Wearables: Provides precise battery management and enhances user safety.
3. Electric Vehicles: Controls battery charging and discharging, optimizing performance and longevity.
4. Power Banks: Monitors battery parameters and protects against overcharging and over-discharging.

Detailed and Complete Alternative Models

1. BQ2084DBTR-V1P2: Similar to BQ2085DBTR-V1P2, but with slightly different specifications.
2. BQ40Z50R-V1P2: Offers advanced battery management features and increased compatibility.
3. MAX17043G+T: Alternative IC with similar functionality, suitable for low-power applications.

(Note: The above alternative models are provided for reference purposes and may have varying specifications and characteristics.)

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