BQ7694000DBT

The BQ7694000DBT is a precision analog front-end (AFE) IC designed for battery management systems. It integrates a host of features, including voltage, current, and temperature measurement, making it ideal for monitoring and protecting battery packs in various applications.

Pinout

(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

• A0: Analog voltage input or digital I2C address select
• A1: Analog voltage input or digital I2C address select
• A2: Analog voltage input or digital I2C address select
• VC: Voltage cell input for voltage measurement
• CC: Current input for current measurement
• DM: Data monitor output
• CLK: Clock input for serial interface
• DATA: Data input/output for serial interface
• CS: Chip select input for serial interface
• TS1: Positive thermal sensor input
• TS2: Negative thermal sensor input
• TEMP: Digital temperature output
• GND: Power ground
• VCC: Positive power supply

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the BQ7694000DBT IC for a visual representation.

Key Features

• Battery Management AFE: The BQ7694000DBT serves as a comprehensive AFE for battery management, offering precise measurement and monitoring capabilities.
• Voltage, Current, and Temperature Measurement: This IC facilitates accurate measurement of cell voltages, battery current, and temperature for effective battery monitoring.
• Digital Interface: Equipped with a serial interface, allowing seamless communication with a microcontroller or system processor.
• Data Monitoring: Provides a dedicated data monitor output for real-time data monitoring and analysis.
• Thermal Monitoring: Integrates inputs for positive and negative thermal sensors to ensure reliable temperature measurements.

Note: For detailed technical specifications, please refer to the BQ7694000DBT datasheet.

Application

• Battery Packs: Ideal for monitoring and protecting battery packs in electric vehicles, energy storage systems, and portable electronic devices.
• Power Tools: Suitable for use in power tool battery management systems to ensure safe and efficient operation.
• Solar Energy Storage: Used in battery management systems for solar energy storage applications, enabling reliable performance and longevity of battery packs.

Functionality

The BQ7694000DBT functions as a precision analog front-end for battery management, offering comprehensive voltage, current, and temperature measurement to enable robust monitoring and protection of battery packs.

Usage Guide

• Power Supply: Connect VCC (Pin 14) to the positive power supply and GND (Pin 13) to the power ground.
• Sensor Connections: Interface with the appropriate voltage, current, and temperature sensors based on the application requirements.
• Digital Interface: Utilize the serial interface (CLK, DATA, CS) for seamless communication with a microcontroller or processor.

Frequently Asked Questions

Q: Can the BQ7694000DBT measure individual cell voltages in a battery pack?
A: Yes, the BQ7694000DBT is capable of measuring individual cell voltages, enabling accurate monitoring of each cell within a battery pack.

Q: Is the BQ7694000DBT suitable for high-temperature environments?
A: The BQ7694000DBT is designed to support thermal monitoring and can be used in applications with elevated temperatures, ensuring reliable performance.