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BQ2084DBT-V133
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BQ2084DBT-V133

Product Overview

Category

BQ2084DBT-V133 belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

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

Package

BQ2084DBT-V133 is available in a small outline transistor (SOT) package.

Essence

The essence of this product lies in its ability to accurately monitor and control various parameters of rechargeable batteries, ensuring their safe and efficient operation.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

  • Supply Voltage: 2.7V to 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Communication Interface: I2C
  • Battery Capacity Measurement Resolution: 1 mAh
  • Overvoltage Protection Threshold: Adjustable
  • Undervoltage Protection Threshold: Adjustable
  • Overcurrent Protection Threshold: Adjustable
  • Standby Current: 10 µA (typical)

Detailed Pin Configuration

The BQ2084DBT-V133 IC has the following pin configuration:

  1. VSS - Ground
  2. SDA - I2C Serial Data
  3. SCL - I2C Serial Clock
  4. ALERT - Interrupt Output
  5. VDD - Supply Voltage
  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

  1. Battery Monitoring: The BQ2084DBT-V133 continuously measures battery voltage, current, temperature, and capacity.
  2. Charging Control: It regulates the charging process to prevent overcharging and optimize battery life.
  3. Discharging Control: It manages the discharging process to prevent over-discharging and ensure safe operation.
  4. Protection Mechanisms: This IC provides protection against overvoltage, undervoltage, and over-temperature conditions, enhancing battery safety.
  5. Communication Interface: The I2C interface allows for easy integration with microcontrollers or other devices.

Advantages and Disadvantages

Advantages

  • Accurate battery monitoring and control
  • Comprehensive protection mechanisms
  • Flexible adjustable thresholds
  • Low standby current consumption
  • Easy integration with microcontrollers

Disadvantages

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

Working Principles

The BQ2084DBT-V133 operates by continuously sampling battery voltage, current, and temperature. It uses these measurements to calculate the battery's state of charge (SOC) and state of health (SOH). Based on these parameters, it controls the charging and discharging processes to maintain optimal battery performance and prevent any potential damage.

Detailed Application Field Plans

The BQ2084DBT-V133 is widely used in various applications involving rechargeable batteries, including: - Electric vehicles - Portable electronic devices - Energy storage systems - Uninterruptible power supplies (UPS) - Solar power systems

Detailed and Complete Alternative Models

  1. BQ2084DBT-V132: Similar to BQ2084DBT-V133 but with different communication interface options.
  2. BQ2084DBT-V134: Enhanced version with additional features such as fuel gauge functionality.
  3. BQ2084DBT-V135: Higher voltage variant suitable for specific battery chemistries.

These alternative models offer similar functionality and compatibility, providing options to suit different application requirements.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением BQ2084DBT-V133 в технических решениях.

Sure! Here are 10 common questions and answers related to the application of BQ2084DBT-V133 in technical solutions:

  1. Question: What is the BQ2084DBT-V133?
    Answer: The BQ2084DBT-V133 is a battery management IC designed for use in portable electronic devices.

  2. Question: What are the key features of the BQ2084DBT-V133?
    Answer: Some key features include accurate battery fuel gauging, voltage and temperature monitoring, and support for various battery chemistries.

  3. Question: Can the BQ2084DBT-V133 be used with lithium-ion batteries?
    Answer: Yes, the BQ2084DBT-V133 is compatible with lithium-ion batteries, as well as other battery chemistries like lithium polymer and nickel-metal hydride.

  4. Question: How does the BQ2084DBT-V133 accurately gauge battery capacity?
    Answer: The IC uses advanced algorithms and measurements of voltage, current, and temperature to estimate the remaining battery capacity.

  5. Question: Can the BQ2084DBT-V133 communicate with a microcontroller or host system?
    Answer: Yes, the IC supports communication via I2C interface, allowing it to interact with a microcontroller or host system.

  6. Question: What is the operating voltage range of the BQ2084DBT-V133?
    Answer: The IC operates within a voltage range of 2.7V to 4.8V.

  7. Question: Does the BQ2084DBT-V133 have built-in protection features?
    Answer: Yes, the IC includes overvoltage, undervoltage, and overcurrent protection to ensure safe operation of the battery.

  8. Question: Can the BQ2084DBT-V133 be used in high-temperature environments?
    Answer: The IC has a wide operating temperature range of -40°C to 85°C, making it suitable for use in various environments.

  9. Question: Is the BQ2084DBT-V133 suitable for single-cell or multi-cell battery applications?
    Answer: The IC is designed for single-cell battery applications, but it can also be used in multi-cell configurations with appropriate external circuitry.

  10. Question: Are there any evaluation boards or reference designs available for the BQ2084DBT-V133?
    Answer: Yes, Texas Instruments provides evaluation modules and reference designs that can help developers quickly integrate the BQ2084DBT-V133 into their systems.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.