BQ2084RTTT-V140

Product Overview

Category

BQ2084RTTT-V140 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in battery management systems (BMS) for monitoring and controlling rechargeable batteries.

Characteristics

• BQ2084RTTT-V140 is a highly reliable and efficient IC designed specifically for battery management.
• It offers advanced features such as accurate voltage and temperature monitoring, charge control, and capacity estimation.
• The IC is capable of communicating with external devices through various interfaces, enabling seamless integration into larger systems.

Package

BQ2084RTTT-V140 is available in a compact and industry-standard package, making it suitable for easy integration onto circuit boards.

Essence

The essence of BQ2084RTTT-V140 lies in its ability to accurately monitor and manage battery performance, ensuring optimal charging and discharging cycles.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input Voltage Range: 2.7V to 3.6V
• Operating Temperature Range: -40°C to +85°C
• Communication Interfaces: I2C, SMBus
• Battery Capacity Measurement Accuracy: ±1%
• Overvoltage Protection Threshold: Adjustable
• Undervoltage Protection Threshold: Adjustable
• Charge Control Modes: Constant Current, Constant Voltage

Detailed Pin Configuration

1. VCC: Power supply input
2. GND: Ground reference
3. SDA: Serial data line for I2C communication
4. SCL: Serial clock line for I2C communication
5. ALERT: Interrupt output for system status indication
6. BAT: Battery voltage sense input
7. TS: Temperature sense input
8. PACK+: Positive terminal of the battery pack
9. PACK-: Negative terminal of the battery pack

Functional Features

1. Accurate Battery Monitoring: BQ2084RTTT-V140 provides precise voltage and temperature measurements, ensuring reliable battery performance monitoring.
2. Charge Control: The IC supports constant current and constant voltage charge control modes, allowing for efficient and safe charging of batteries.
3. Capacity Estimation: By analyzing battery voltage and current characteristics, the IC estimates the remaining capacity of the battery accurately.
4. Overvoltage/Undervoltage Protection: BQ2084RTTT-V140 offers adjustable thresholds for overvoltage and undervoltage protection, safeguarding the battery from potential damage.
5. Communication Interfaces: The IC supports I2C and SMBus interfaces, enabling seamless integration with other devices in a battery management system.

Advantages and Disadvantages

Advantages

• High accuracy in battery monitoring and capacity estimation.
• Flexible charge control modes for efficient charging.
• Adjustable overvoltage and undervoltage protection thresholds.
• Seamless integration with other devices through communication interfaces.

Disadvantages

• Limited to battery management applications only.
• Requires additional external components for complete battery management system implementation.

Working Principles

BQ2084RTTT-V140 operates by continuously monitoring the battery voltage and temperature. It uses this information to estimate the battery's remaining capacity and control the charging process. The IC communicates with external devices through I2C or SMBus interfaces, providing real-time battery status updates and receiving commands for charge control.

Detailed Application Field Plans

BQ2084RTTT-V140 finds extensive application in various fields, including: - Electric vehicles (EVs) and hybrid electric vehicles (HEVs) - Portable electronic devices such as smartphones and tablets - Renewable energy systems utilizing rechargeable batteries - Industrial equipment powered by batteries

Detailed and Complete Alternative Models

1. BQ2085RTTT-V140: Similar to BQ2084RTTT-V140, but with additional features for enhanced battery management.
2. BQ2086RTTT-V140: Advanced version of BQ2084RTTT-V140 with extended communication capabilities and higher accuracy in capacity estimation.

These alternative models offer similar functionality to BQ2084RTTT-V140 while providing additional features or improved performance based on specific application requirements.

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