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BQ2084DBTR-V133
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BQ2084DBTR-V133

Product Overview

Category

BQ2084DBTR-V133 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in battery management systems for various applications.

Characteristics

  • Package: DBT (SOT-23-6)
  • Essence: Battery fuel gauge and protection IC
  • Packaging/Quantity: Tape and Reel, 3000 pieces per reel

Specifications

The BQ2084DBTR-V133 has the following specifications:

  • Operating Voltage Range: 2.5V to 3.6V
  • Operating Temperature Range: -40°C to +85°C
  • Battery Capacity Measurement Range: 0mAh to 65,535mAh
  • Communication Interface: I2C
  • Cell Balancing: Yes
  • Overvoltage Protection: Yes
  • Undervoltage Protection: Yes
  • Overcurrent Protection: Yes
  • Short Circuit Protection: Yes

Detailed Pin Configuration

The BQ2084DBTR-V133 has a total of six pins arranged as follows:

  1. VSS: Ground
  2. SDA: Serial Data Input/Output
  3. SCL: Serial Clock Input
  4. ALERT: Interrupt Output
  5. VDD: Power Supply
  6. BAT: Battery Connection

Functional Features

The BQ2084DBTR-V133 offers the following functional features:

  • Accurate measurement of battery capacity
  • Real-time monitoring of battery voltage and current
  • Overvoltage and undervoltage protection
  • Overcurrent and short circuit protection
  • Cell balancing for multi-cell battery packs
  • Low power consumption
  • Integrated temperature sensor for thermal management

Advantages and Disadvantages

Advantages: - Accurate battery capacity measurement - Comprehensive protection features - Cell balancing capability - Low power consumption

Disadvantages: - Limited battery capacity measurement range - Requires external microcontroller for full functionality

Working Principles

The BQ2084DBTR-V133 works by continuously monitoring the battery voltage, current, and temperature. It uses this information to accurately estimate the remaining battery capacity. The IC also provides various protection mechanisms to prevent overvoltage, undervoltage, overcurrent, and short circuits. Additionally, it supports cell balancing to ensure uniform charging and discharging of multi-cell battery packs.

Detailed Application Field Plans

The BQ2084DBTR-V133 is widely used in applications that require accurate monitoring and management of battery systems. Some common application fields include:

  1. Portable electronic devices (e.g., smartphones, tablets)
  2. Electric vehicles and hybrid electric vehicles
  3. Energy storage systems
  4. Medical devices
  5. Industrial equipment

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the BQ2084DBTR-V133 are:

  1. BQ34Z100-G1: Battery fuel gauge and protection IC with extended capacity measurement range.
  2. MAX17043G+U: High-accuracy fuel gauge IC with integrated current sensing.
  3. LTC2945IMS#PBF: Multicell battery gas gauge with I2C interface and programmable alerts.

These alternative models provide different features and specifications, allowing users to choose the most suitable option for their specific requirements.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением BQ2084DBTR-V133 в технических решениях.

Sure! Here are 10 common questions and answers related to the application of BQ2084DBTR-V133 in technical solutions:

  1. Q: What is the BQ2084DBTR-V133? A: The BQ2084DBTR-V133 is a battery management system (BMS) IC designed for use in rechargeable battery packs.

  2. Q: What are the key features of the BQ2084DBTR-V133? A: The key features include voltage and current monitoring, temperature sensing, cell balancing, and communication interfaces.

  3. Q: How does the BQ2084DBTR-V133 monitor voltage and current? A: The IC uses integrated ADCs to measure the voltage and current of each individual cell in the battery pack.

  4. Q: Can the BQ2084DBTR-V133 handle different types of battery chemistries? A: Yes, the IC supports various battery chemistries such as lithium-ion, lithium-polymer, and nickel-based batteries.

  5. Q: Does the BQ2084DBTR-V133 have built-in protection features? A: Yes, it includes overvoltage protection, undervoltage protection, overcurrent protection, and short circuit protection.

  6. Q: How does the BQ2084DBTR-V133 perform cell balancing? A: The IC can actively balance the charge between cells by diverting excess energy from higher voltage cells to lower voltage cells.

  7. Q: What communication interfaces does the BQ2084DBTR-V133 support? A: It supports I2C and SMBus interfaces for communication with a microcontroller or host system.

  8. Q: Can the BQ2084DBTR-V133 provide accurate temperature measurements? A: Yes, it has an integrated temperature sensor that provides accurate readings for thermal management.

  9. Q: Is the BQ2084DBTR-V133 suitable for automotive applications? A: Yes, it is designed to meet the stringent requirements of automotive applications, including safety and reliability standards.

  10. Q: Are there any evaluation boards or reference designs available for the BQ2084DBTR-V133? A: Yes, Texas Instruments provides evaluation modules and reference designs to help developers quickly prototype and integrate the IC into their systems.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.