BQ2085DBT-V1P3

Product Overview

Category

BQ2085DBT-V1P3 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 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

BQ2085DBT-V1P3 is available in a small outline transistor (SOT) package, which ensures compactness and ease of integration into different electronic systems.

Essence

The essence of BQ2085DBT-V1P3 lies in its ability to accurately monitor and control battery parameters, ensuring optimal performance, safety, and longevity of rechargeable batteries.

Packaging/Quantity

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

Specifications

• Operating Voltage: 2.7V to 4.5V
• Battery Voltage Measurement Range: 0V to 5V
• Temperature Measurement Range: -40°C to +85°C
• Communication Interface: I2C
• Dimensions: 4mm x 4mm x 0.75mm

Detailed Pin Configuration

1. VSS: Ground
2. SDA: Serial Data Line
3. SCL: Serial Clock Line
4. ALERT: Interrupt Output
5. VDD: Power Supply
6. TS: Temperature Sense Input
7. BAT: Battery Voltage Sense Input
8. PACK+: Positive Terminal of Battery Pack
9. PACK-: Negative Terminal of Battery Pack

Functional Features

• Accurate measurement of battery voltage, current, temperature, and state of charge
• Real-time monitoring and reporting of battery status
• Overcharge protection to prevent damage to the battery
• Over-discharge protection to prolong battery life
• Over-temperature protection for safe operation
• Communication interface for data exchange with external systems
• Low power consumption for energy efficiency

Advantages and Disadvantages

Advantages

• Precise battery monitoring and control
• Comprehensive protection mechanisms
• Compact size for easy integration
• Efficient communication interface
• Low power consumption

Disadvantages

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

Working Principles

BQ2085DBT-V1P3 operates by continuously measuring the battery voltage, current, and temperature using dedicated sensing inputs. It utilizes an internal algorithm to calculate the state of charge based on these measurements. The IC communicates with an external microcontroller or host system through the I2C interface, providing real-time battery information and receiving commands for charging and discharging control.

Detailed Application Field Plans

BQ2085DBT-V1P3 finds applications in various fields, including: 1. Portable electronic devices (e.g., smartphones, tablets, laptops) 2. Electric vehicles (EVs) and hybrid electric vehicles (HEVs) 3. Renewable energy systems (e.g., solar power storage) 4. Uninterruptible power supplies (UPS) 5. Medical devices (e.g., portable monitors, defibrillators)

Detailed and Complete Alternative Models

1. BQ20Z80DBTR-V1: Similar battery management IC with enhanced features and extended temperature range.
2. BQ76940DBTR-V1: Battery management IC specifically designed for multi-cell lithium-ion battery packs.
3. LTC6804-1: High-performance battery monitoring IC with stackable architecture for large battery systems.

These alternative models offer similar functionalities and can be considered based on specific application requirements.

In conclusion, BQ2085DBT-V1P3 is a versatile integrated circuit designed for battery management systems. Its accurate monitoring, comprehensive protection mechanisms, and efficient communication interface make it suitable for various applications in portable electronics, electric vehicles, renewable energy systems, and more.