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BQ2084DBT-V133G4
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BQ2084DBT-V133G4

Product Overview

Category

BQ2084DBT-V133G4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used in battery management systems (BMS) for various applications, including portable electronic devices, electric vehicles, and renewable energy systems.

Characteristics

  • BQ2084DBT-V133G4 is a highly reliable and efficient IC designed for accurate monitoring and control of battery parameters.
  • It offers advanced features such as voltage and temperature monitoring, charge and discharge control, and capacity estimation.
  • The IC is capable of communicating with external microcontrollers or host systems through standard communication protocols.
  • It operates over a wide temperature range and supports multiple battery chemistries.

Package

BQ2084DBT-V133G4 is available in a compact and industry-standard package, making it suitable for integration into various electronic devices and systems.

Essence

The essence of BQ2084DBT-V133G4 lies in its ability to ensure safe and optimized operation of batteries by providing precise monitoring and control functions.

Packaging/Quantity

This product is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage: 2.7V to 28V
  • Operating Temperature Range: -40°C to +85°C
  • Communication Interface: I2C, SMBus
  • Battery Chemistry Support: Li-Ion, Li-Polymer, NiMH, NiCd
  • Cell Balancing: Yes
  • Overvoltage Protection: Yes
  • Undervoltage Protection: Yes
  • Overcurrent Protection: Yes
  • Capacity Estimation Accuracy: ±5%

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. TS1: Temperature Sense Input 1
  7. TS2: Temperature Sense Input 2
  8. BAT: Battery Voltage Sense Input
  9. PACK+: Positive Terminal of Battery Pack
  10. PACK-: Negative Terminal of Battery Pack

Functional Features

  • Accurate voltage and temperature monitoring for enhanced safety.
  • Charge and discharge control to optimize battery performance.
  • Cell balancing functionality to ensure uniform cell voltages.
  • Overvoltage, undervoltage, and overcurrent protection for battery safety.
  • Capacity estimation algorithm for accurate battery capacity prediction.
  • Communication interface for seamless integration with host systems.

Advantages and Disadvantages

Advantages

  • High accuracy in monitoring battery parameters.
  • Wide operating temperature range.
  • Support for multiple battery chemistries.
  • Advanced protection features for battery safety.
  • Reliable communication interface for system integration.

Disadvantages

  • Limited capacity estimation accuracy (±5%).
  • Requires external microcontroller or host system for full functionality.

Working Principles

BQ2084DBT-V133G4 operates by continuously monitoring the battery voltage, temperature, and current. It uses this information to regulate the charging and discharging processes, ensuring optimal battery performance and safety. The IC also incorporates a cell balancing mechanism to equalize the voltages across individual cells within the battery pack. By communicating with an external microcontroller or host system, it provides real-time data and allows for advanced battery management strategies.

Detailed Application Field Plans

BQ2084DBT-V133G4 finds extensive application in various fields, including: 1. Portable electronic devices such as smartphones, tablets, and laptops. 2. Electric vehicles, including hybrid and fully electric cars. 3. Renewable energy systems like solar power storage. 4. Industrial equipment utilizing rechargeable batteries. 5. Medical devices requiring reliable battery management.

Detailed and Complete Alternative Models

  1. BQ2084DBT-V133G3: Similar to BQ2084DBT-V133G4, but with a different communication interface.
  2. BQ2084DBT-V133G5: Enhanced version with improved capacity estimation accuracy.
  3. BQ2084DBT-V133G6: Higher voltage range support for specific applications.

These alternative models offer similar functionality and can be considered based on specific requirements and compatibility with the target system.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af BQ2084DBT-V133G4 i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of BQ2084DBT-V133G4 in technical solutions:

  1. Question: What is the BQ2084DBT-V133G4?
    Answer: The BQ2084DBT-V133G4 is a battery fuel gauge and protection IC designed for use in portable electronic devices.

  2. Question: What is the purpose of the BQ2084DBT-V133G4?
    Answer: The BQ2084DBT-V133G4 is used to accurately measure and monitor the state of charge and capacity of a battery, as well as provide protection against overcharging, over-discharging, and short circuits.

  3. Question: What type of batteries is the BQ2084DBT-V133G4 compatible with?
    Answer: The BQ2084DBT-V133G4 is compatible with lithium-ion (Li-Ion) and lithium-polymer (Li-Po) batteries.

  4. Question: How does the BQ2084DBT-V133G4 communicate with the host system?
    Answer: The BQ2084DBT-V133G4 uses an I2C interface to communicate with the host system, allowing for easy integration into various applications.

  5. Question: Can the BQ2084DBT-V133G4 support multiple cells in series?
    Answer: Yes, the BQ2084DBT-V133G4 can support up to 4 cells in series, making it suitable for a wide range of battery pack configurations.

  6. Question: Does the BQ2084DBT-V133G4 have built-in temperature sensing capabilities?
    Answer: Yes, the BQ2084DBT-V133G4 features integrated temperature sensing, which helps in accurate estimation of battery capacity under different temperature conditions.

  7. Question: Can the BQ2084DBT-V133G4 be used in fast-charging applications?
    Answer: Yes, the BQ2084DBT-V133G4 supports fast-charging protocols and can accurately track the charge/discharge current to ensure safe and efficient charging.

  8. Question: Does the BQ2084DBT-V133G4 provide any protection features for the battery?
    Answer: Yes, the BQ2084DBT-V133G4 offers various protection features such as overvoltage protection, undervoltage protection, and short circuit protection to safeguard the battery.

  9. Question: Is there any software or firmware required to use the BQ2084DBT-V133G4?
    Answer: Yes, the BQ2084DBT-V133G4 requires software/firmware development to configure its settings, read battery information, and perform other functions.

  10. Question: Are there any evaluation modules or reference designs available for the BQ2084DBT-V133G4?
    Answer: Yes, Texas Instruments provides evaluation modules and reference designs that can help developers quickly prototype and integrate the BQ2084DBT-V133G4 into their applications.

Please note that these questions and answers are general in nature and may vary depending on specific application requirements and implementation details.