BQ2085DBT - English Editing Encyclopedia Entry

Product Overview

Category

BQ2085DBT 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

• BQ2085DBT is a highly reliable and efficient battery management IC.
• It offers advanced features for accurate battery monitoring, protection, and charging control.
• The IC is designed to optimize battery performance and extend its lifespan.

Package

BQ2085DBT is available in a compact and industry-standard package, making it suitable for integration into various electronic devices.

Essence

The essence of BQ2085DBT lies in its ability to provide comprehensive battery management solutions, ensuring safe and efficient operation of rechargeable batteries.

Packaging/Quantity

This product is typically supplied in tape and reel packaging, with a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Battery Capacity Measurement Accuracy: ±10mAh
• Communication Interface: I2C
• Supported Battery Types: Li-Ion, Li-Polymer

Detailed Pin Configuration

1. VSS - Ground
2. SDA - I2C Serial Data
3. SCL - I2C Serial Clock
4. BAT - Battery Connection
5. TS - Temperature Sense
6. VDD - Power Supply
7. ALERT - Interrupt Output
8. N/C - No Connection

Functional Features

• Accurate battery voltage and current measurement
• Temperature sensing for thermal management
• Overcharge and over-discharge protection
• Short-circuit and reverse polarity protection
• Integrated fuel gauge for battery capacity estimation
• Communication interface for data exchange with the host device

Advantages and Disadvantages

Advantages

• High accuracy in battery capacity measurement
• Comprehensive protection features ensure battery safety
• Efficient charging control for optimal battery performance
• Compact package allows for easy integration into various devices

Disadvantages

• Limited compatibility with certain battery chemistries
• Relatively higher cost compared to basic battery management solutions

Working Principles

BQ2085DBT operates by continuously monitoring the battery voltage, current, and temperature. It utilizes these measurements to estimate the battery's state of charge and capacity. The IC also incorporates various protection mechanisms to prevent overcharging, over-discharging, and other potentially harmful conditions.

Detailed Application Field Plans

BQ2085DBT finds extensive application in the following fields:

1. Consumer Electronics: Used in smartphones, tablets, laptops, and portable media players.
2. Electric Vehicles: Integrated into battery management systems for electric cars and hybrid vehicles.
3. Energy Storage Systems: Employed in grid-scale energy storage solutions utilizing rechargeable batteries.
4. Medical Devices: Utilized in medical equipment requiring reliable battery management.

Detailed and Complete Alternative Models

1. BQ20Z45DBTR-V150 - Similar battery management IC with enhanced communication capabilities.
2. BQ40Z50-R1 - Advanced model offering additional features like impedance tracking and cell balancing.
3. MAX17048G+ - Alternative IC providing similar battery management functionalities.

In conclusion, BQ2085DBT is a highly reliable and efficient battery management IC designed for accurate monitoring, protection, and charging control of rechargeable batteries. Its comprehensive features, compact package, and wide range of applications make it an ideal choice for various electronic devices and industries.

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