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BQ7692000PWR

BQ7692000PWR

Product Overview

Category

BQ7692000PWR belongs to the category of integrated circuits (ICs) used in battery management systems.

Use

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

Characteristics

  • High accuracy voltage and temperature monitoring
  • Overvoltage, undervoltage, and overtemperature protection
  • Cell balancing functionality
  • Communication interface for system integration
  • Low power consumption

Package

The BQ7692000PWR IC is available in a small form factor TSSOP package.

Essence

The essence of BQ7692000PWR lies in its ability to ensure the safe and efficient operation of lithium-ion and lithium-polymer battery packs by providing comprehensive monitoring and protection features.

Packaging/Quantity

The IC is typically sold in reels containing a specified quantity, such as 2500 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 16V
  • Number of Cells Monitored: Up to 15 series cells
  • Voltage Measurement Accuracy: ±10mV
  • Temperature Measurement Accuracy: ±1°C
  • Balancing Current: Up to 100mA per cell
  • Communication Interface: I2C

Detailed Pin Configuration

The BQ7692000PWR IC has a total of 24 pins. The pin configuration is as follows:

  1. VDD - Power supply input
  2. GND - Ground reference
  3. SDA - I2C data line
  4. SCL - I2C clock line
  5. ALERT - Interrupt output
  6. CB1 - Cell balance control
  7. CB2 - Cell balance control
  8. CB3 - Cell balance control
  9. CB4 - Cell balance control
  10. CB5 - Cell balance control
  11. CB6 - Cell balance control
  12. CB7 - Cell balance control
  13. CB8 - Cell balance control
  14. CB9 - Cell balance control
  15. CB10 - Cell balance control
  16. CB11 - Cell balance control
  17. CB12 - Cell balance control
  18. CB13 - Cell balance control
  19. CB14 - Cell balance control
  20. CB15 - Cell balance control
  21. VSS - Negative supply voltage
  22. TS1 - Temperature sense input
  23. TS2 - Temperature sense input
  24. VREF - Reference voltage output

Functional Features

  • Accurate monitoring of individual cell voltages and temperatures
  • Overvoltage protection to prevent cell damage
  • Undervoltage protection to avoid deep discharge
  • Overtemperature protection for safe operation
  • Cell balancing to equalize charge levels among cells
  • I2C interface for easy integration with battery management systems

Advantages and Disadvantages

Advantages

  • High accuracy monitoring ensures optimal battery performance
  • Comprehensive protection features enhance battery safety
  • Cell balancing functionality extends battery pack lifespan
  • Low power consumption minimizes energy loss
  • Easy integration with existing battery management systems

Disadvantages

  • Limited to lithium-ion and lithium-polymer battery packs
  • Requires additional external components for complete battery management system implementation

Working Principles

The BQ7692000PWR IC works by continuously monitoring the voltage and temperature of each cell in a lithium-ion or lithium-polymer battery pack. It compares these measurements against predefined thresholds to detect abnormal conditions such as overvoltage, undervoltage, or overtemperature. In case of an abnormal condition, the IC triggers appropriate protection mechanisms, such as disconnecting the load or activating cell balancing. The IC communicates the status and measurement data through the I2C interface, allowing integration with a battery management system.

Detailed Application Field Plans

The BQ7692000PWR IC finds applications in various fields, including: - Electric vehicles - Portable electronic devices - Energy storage systems - Uninterruptible power supplies (UPS) - Solar power systems

Detailed and Complete Alternative Models

  1. BQ7693000PWR: Similar to BQ7692000PWR but supports up to 16 series cells.
  2. BQ7694000PWR: Enhanced version with additional protection features and support for up to 20 series cells.
  3. BQ7695000PWR: Advanced model with extended communication capabilities and support for up to 24 series cells.

These alternative models offer similar functionality but cater to different battery pack configurations and specific requirements.

In conclusion, the BQ7692000PWR IC is a versatile and reliable component used in battery management systems for lithium-ion and lithium-polymer battery packs. Its accurate monitoring, comprehensive protection features, and cell balancing functionality make it an essential choice for ensuring the safe and efficient operation of various applications.

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แสดงรายการคำถามและคำตอบทั่วไป 10 ข้อที่เกี่ยวข้องกับการใช้ BQ7692000PWR ในโซลูชันทางเทคนิค

Sure! Here are 10 common questions and answers related to the application of BQ7692000PWR in technical solutions:

  1. Question: What is the BQ7692000PWR?
    Answer: The BQ7692000PWR is a battery monitor and protector IC designed for use in battery management systems.

  2. Question: What is the maximum number of cells that can be monitored using the BQ7692000PWR?
    Answer: The BQ7692000PWR can monitor up to 15 series-connected lithium-ion cells.

  3. Question: What is the operating voltage range of the BQ7692000PWR?
    Answer: The BQ7692000PWR operates within a voltage range of 2.5V to 4.8V.

  4. Question: Can the BQ7692000PWR measure individual cell voltages?
    Answer: Yes, the BQ7692000PWR can measure the voltage of each individual cell in a battery pack.

  5. Question: Does the BQ7692000PWR provide overvoltage protection?
    Answer: Yes, the BQ7692000PWR has built-in overvoltage protection to prevent damage to the battery cells.

  6. Question: Can the BQ7692000PWR detect undervoltage conditions?
    Answer: Yes, the BQ7692000PWR can detect undervoltage conditions and trigger an alert or shutdown if necessary.

  7. Question: Is the BQ7692000PWR capable of balancing the cell voltages?
    Answer: Yes, the BQ7692000PWR supports active cell balancing to equalize the voltages across the battery cells.

  8. Question: What communication interface does the BQ7692000PWR support?
    Answer: The BQ7692000PWR supports I2C communication interface for easy integration with microcontrollers.

  9. Question: Can the BQ7692000PWR measure battery temperature?
    Answer: Yes, the BQ7692000PWR has a built-in temperature sensor to measure the battery temperature.

  10. Question: What is the typical power consumption of the BQ7692000PWR?
    Answer: The typical power consumption of the BQ7692000PWR is around 1.5mA during normal operation.

Please note that these answers are general and may vary depending on the specific implementation and configuration of the BQ7692000PWR in a technical solution.