Texas Instruments
Bild kan vara representation.
Se specifikationer för produktinformation.
BQ7693003DBT
Visa detalj Datablad

BQ7693003DBT

Product Overview

Category

BQ7693003DBT belongs to the category of integrated circuits (ICs) used in battery management systems.

Use

This product is specifically designed for monitoring and protecting lithium-ion battery packs.

Characteristics

  • Integrated circuit for battery management
  • Monitors individual cell voltages and temperatures
  • Provides overvoltage, undervoltage, and overtemperature protection
  • Enables balancing of cell voltages
  • Supports communication with external microcontrollers

Package

BQ7693003DBT is available in a small outline transistor (SOT) package.

Essence

The essence of this product lies in its ability to ensure the safe and efficient operation of lithium-ion battery packs by monitoring and protecting individual cells.

Packaging/Quantity

The BQ7693003DBT is typically sold in reels containing a specified quantity of ICs.

Specifications

  • Operating Voltage: 2.7V to 16V
  • Cell Voltage Measurement Range: 0V to 5V
  • Temperature Measurement Range: -40°C to +125°C
  • Communication Interface: I2C
  • Balancing Current: Up to 100mA per cell
  • Fault Detection and Reporting: Overvoltage, undervoltage, overtemperature, and short circuit

Detailed Pin Configuration

  1. VSS: Ground
  2. SDA: I2C Data Line
  3. SCL: I2C Clock Line
  4. ALERT: Interrupt Output
  5. BAT: Battery Pack Positive Terminal
  6. VCxP: Cell Voltage Measurement Positive Terminal
  7. VCxN: Cell Voltage Measurement Negative Terminal
  8. TS: Temperature Sensor Input
  9. CBAT: Capacitor Connection for Internal Reference
  10. VDD: Supply Voltage

Functional Features

  • Cell voltage monitoring and balancing
  • Temperature monitoring
  • Overvoltage and undervoltage protection
  • Overtemperature protection
  • Communication with external microcontrollers for data exchange and control

Advantages and Disadvantages

Advantages

  • Comprehensive battery protection features
  • High accuracy in cell voltage and temperature measurements
  • Efficient cell balancing capability
  • Compact package size
  • Easy integration with microcontrollers

Disadvantages

  • Limited balancing current capacity
  • Requires additional external components for complete battery management system implementation

Working Principles

The BQ7693003DBT operates by continuously measuring the voltages and temperatures of individual battery cells. It compares these values against predefined thresholds to detect abnormal conditions such as overvoltage, undervoltage, or overtemperature. In case of a fault, it triggers appropriate actions like activating the balancing circuitry or generating an interrupt signal.

Detailed Application Field Plans

The BQ7693003DBT is widely used in various applications involving lithium-ion battery packs, including: - Electric vehicles - Portable electronic devices - Energy storage systems - Uninterruptible power supplies (UPS) - Solar power systems

Detailed and Complete Alternative Models

  1. BQ7692000DBT: Similar functionality but with lower cell voltage measurement range.
  2. BQ7694000DBT: Higher cell voltage measurement range and increased balancing current capacity.
  3. BQ7695000DBT: Enhanced communication capabilities and additional protection features.

These alternative models offer different specifications and features to cater to specific application requirements.

Word count: 520 words

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av BQ7693003DBT i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of BQ7693003DBT in technical solutions:

  1. Question: What is the BQ7693003DBT?
    Answer: The BQ7693003DBT is a battery management system (BMS) IC designed for multi-cell lithium-ion or lithium-polymer battery packs.

  2. Question: What is the maximum number of cells that can be managed by the BQ7693003DBT?
    Answer: The BQ7693003DBT can manage up to 16 series-connected cells.

  3. Question: What are the key features of the BQ7693003DBT?
    Answer: Some key features include cell voltage monitoring, overvoltage/undervoltage protection, short-circuit detection, temperature monitoring, and communication interfaces.

  4. Question: How does the BQ7693003DBT communicate with the host microcontroller?
    Answer: The BQ7693003DBT supports I2C communication interface for easy integration with the host microcontroller.

  5. Question: Can the BQ7693003DBT handle balancing of individual cells?
    Answer: Yes, the BQ7693003DBT has built-in cell balancing functionality to equalize the charge levels of individual cells in a battery pack.

  6. Question: What is the operating voltage range of the BQ7693003DBT?
    Answer: The BQ7693003DBT operates within a voltage range of 2.7V to 4.8V.

  7. Question: Does the BQ7693003DBT have any built-in safety features?
    Answer: Yes, the BQ7693003DBT provides various safety features such as overvoltage protection, undervoltage protection, and short-circuit detection.

  8. Question: Can the BQ7693003DBT measure battery temperature?
    Answer: Yes, the BQ7693003DBT has a built-in temperature sensor to monitor the battery temperature.

  9. Question: Is the BQ7693003DBT suitable for automotive applications?
    Answer: Yes, the BQ7693003DBT is designed to meet the requirements of automotive applications and can be used in electric vehicles or hybrid vehicles.

  10. Question: Are there any evaluation modules or development kits available for the BQ7693003DBT?
    Answer: Yes, Texas Instruments provides evaluation modules and development kits that can help in the evaluation and prototyping of the BQ7693003DBT in various applications.

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