BQ7693001DBT - English Editing Encyclopedia Entry

Product Overview

Category

BQ7693001DBT belongs to the category of integrated circuits (ICs) specifically designed for battery management systems.

Use

This product is primarily used in applications where accurate monitoring and protection of lithium-ion battery packs are required. It ensures safe and efficient operation by providing essential features for battery management.

Characteristics

• Integrated circuit for battery management systems
• Accurate monitoring and protection of lithium-ion battery packs
• Ensures safe and efficient battery operation
• Provides essential features for battery management

Package

BQ7693001DBT is available in a compact and industry-standard package, making it suitable for various electronic devices and systems.

Essence

The essence of BQ7693001DBT lies in its ability to monitor and protect lithium-ion battery packs, 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

• Input Voltage Range: 2.7V to 4.8V
• Operating Temperature Range: -40°C to +85°C
• Number of Cells Supported: Up to 15 series-connected cells
• Communication Interface: I2C
• Fault Detection and Protection Features: Overvoltage, undervoltage, overcurrent, short circuit, and overtemperature protection

Detailed Pin Configuration

The BQ7693001DBT IC has the following pin configuration:

1. VSS - Ground
2. SDA - I2C Serial Data
3. SCL - I2C Serial Clock
4. ALERT - Alert Output
5. BAT - Battery Pack Positive Terminal
6. TS1 - Thermistor Input 1
7. TS2 - Thermistor Input 2
8. TS3 - Thermistor Input 3
9. TS4 - Thermistor Input 4
10. VC1 to VC15 - Cell Voltage Inputs

Functional Features

• Accurate cell voltage monitoring
• Overvoltage and undervoltage protection
• Overcurrent detection and protection
• Short circuit protection
• Overtemperature protection
• I2C communication interface for easy integration with microcontrollers
• Alert output for system notifications

Advantages and Disadvantages

Advantages

• Provides comprehensive battery management features
• Accurate monitoring ensures safe battery operation
• Flexible integration with microcontrollers through the I2C interface
• Compact package suitable for various applications

Disadvantages

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

Working Principles

BQ7693001DBT operates by continuously monitoring the voltage levels of individual cells within a lithium-ion battery pack. It compares these voltages against predefined thresholds to detect abnormal conditions such as overvoltage, undervoltage, overcurrent, and short circuits. Upon detecting a fault, it triggers appropriate protection mechanisms to safeguard the battery pack.

Detailed Application Field Plans

The BQ7693001DBT IC finds applications in various fields, including: 1. Electric vehicles (EVs) and hybrid electric vehicles (HEVs) 2. Portable electronic devices 3. Energy storage systems 4. Uninterruptible power supplies (UPS) 5. Solar power systems

Detailed and Complete Alternative Models

1. BQ7692000DBT: Similar functionality but supports up to 10 series-connected cells.
2. BQ7694000DBT: Enhanced version with additional features such as cell balancing and fuel gauge functionality.
3. LTC6804: Alternative IC from Linear Technology Corporation with similar battery management capabilities.

Note: This is not an exhaustive list, and there may be other alternative models available in the market.

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