BQ7694006DBTR

Product Overview

Category

BQ7694006DBTR belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for battery management in various electronic devices.

Characteristics

• Integrated circuit for battery management
• Provides protection and monitoring functions
• Designed for use with lithium-ion batteries
• Offers high accuracy and reliability

Package

BQ7694006DBTR comes in a small outline transistor (SOT) package.

Essence

The essence of this product lies in its ability to efficiently manage and protect lithium-ion batteries, ensuring their safe and optimal performance.

Packaging/Quantity

Each package of BQ7694006DBTR contains one integrated circuit.

Specifications

• Input Voltage Range: 2.7V to 4.8V
• Operating Temperature Range: -40°C to +85°C
• Number of Cells Supported: Up to 6 series cells
• Communication Interface: I2C
• Protection Functions: Overvoltage, undervoltage, overcurrent, short circuit, and overtemperature protection

Detailed Pin Configuration

1. VSS: Ground connection
2. SDA: Serial data input/output for I2C communication
3. SCL: Serial clock input for I2C communication
4. ALERT: Open-drain output for alert indication
5. BAT: Battery voltage sense input
6. TS1, TS2: Temperature sense inputs
7. VC1 to VC6: Cell voltage sense inputs
8. GPOUT: General-purpose output
9. VDD: Power supply connection

Functional Features

• Overvoltage protection: Monitors cell voltages and triggers protection if any cell exceeds the specified threshold.
• Undervoltage protection: Ensures that no cell voltage drops below the minimum acceptable level.
• Overcurrent protection: Detects excessive current flow and activates protection mechanisms.
• Short circuit protection: Safeguards against short circuits in the battery system.
• Overtemperature protection: Monitors temperature and prevents operation if it exceeds the safe limit.

Advantages and Disadvantages

Advantages

• High accuracy and reliability in battery management
• Comprehensive protection functions ensure battery safety
• Compact size and easy integration into electronic devices
• Efficient communication interface for easy control and monitoring

Disadvantages

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

Working Principles

BQ7694006DBTR operates by continuously monitoring the voltage levels of individual cells within a lithium-ion battery pack. It compares these voltages with predefined thresholds to detect any abnormalities. If a cell voltage exceeds or falls below the specified limits, the IC triggers appropriate protection mechanisms to prevent damage to the battery and connected devices.

Detailed Application Field Plans

BQ7694006DBTR finds extensive application in various fields, including: 1. Electric vehicles (EVs) and hybrid electric vehicles (HEVs) 2. Portable electronic devices such as smartphones and tablets 3. Energy storage systems 4. Uninterruptible power supplies (UPS) 5. Industrial equipment powered by batteries

Detailed and Complete Alternative Models

1. BQ7693000DBTR: Similar battery management IC with support for up to 3 series cells.
2. BQ7692000DBTR: Battery management IC designed for up to 2 series cells.
3. BQ7695000DBTR: Advanced version supporting up to 15 series cells with enhanced features.

Note: The above alternative models are suggested based on similar functionality and specifications.

In conclusion, BQ7694006DBTR is an integrated circuit designed for efficient battery management in various electronic devices. With its comprehensive protection functions and high accuracy, it ensures the safe and optimal performance of lithium-ion batteries. Its compact size and easy integration make it a preferred choice in applications ranging from electric vehicles to portable electronics.