BQ7694002DBTR

Product Overview

Category

BQ7694002DBTR belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• BQ7694002DBTR is a highly reliable and efficient battery management IC.
• It offers advanced protection features for batteries, ensuring their safe operation.
• The IC incorporates multiple functions such as voltage monitoring, current sensing, and temperature measurement.
• It supports communication interfaces like I2C and SMBus for easy integration into different systems.

Package

BQ7694002DBTR comes in a small outline transistor (SOT) package, which ensures compactness and ease of installation.

Essence

The essence of BQ7694002DBTR lies in its ability to accurately monitor and protect batteries, extending their lifespan and enhancing overall system performance.

Packaging/Quantity

This IC is typically packaged in reels, with each reel containing a specific quantity of BQ7694002DBTR units. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V - 16V
• Operating Temperature Range: -40°C to +85°C
• Communication Interface: I2C, SMBus
• Number of Cells Supported: Up to 15 cells
• Overvoltage Protection Threshold: Adjustable
• Undervoltage Protection Threshold: Adjustable
• Overcurrent Protection Threshold: Adjustable
• Balancing Current: Up to 100mA per cell

Detailed Pin Configuration

1. VSS: Ground
2. SDA: I2C Data Line
3. SCL: I2C Clock Line
4. ALERT: Interrupt Output
5. BAT: Battery Connection
6. TS1: Temperature Sensor 1 Input
7. TS2: Temperature Sensor 2 Input
8. TS3: Temperature Sensor 3 Input
9. TS4: Temperature Sensor 4 Input
10. VDD: Power Supply

Functional Features

• Accurate voltage monitoring for each battery cell
• Overvoltage and undervoltage protection
• Overcurrent protection
• Temperature monitoring and protection
• Cell balancing to equalize charge levels
• Fault detection and reporting
• Communication interface for system integration

Advantages and Disadvantages

Advantages

• High level of battery protection
• Flexible configuration options
• Compact package size
• Wide operating temperature range
• Easy integration into various systems

Disadvantages

• Limited number of supported cells (up to 15)
• Requires external temperature sensors for accurate temperature monitoring

Working Principles

BQ7694002DBTR operates by continuously monitoring the voltage, current, and temperature of each battery cell. It compares these values with pre-set thresholds to detect any abnormal conditions. In case of overvoltage, undervoltage, overcurrent, or excessive temperature, the IC triggers appropriate protection mechanisms to safeguard the battery and the system.

The IC also supports cell balancing, which redistributes charge among cells to ensure they are all at similar voltage levels. This helps in maximizing the overall capacity and lifespan of the battery pack.

Detailed Application Field Plans

BQ7694002DBTR finds applications in a wide range of electronic devices that utilize rechargeable batteries. Some common application fields include: - Electric vehicles - Portable medical devices - Uninterruptible power supplies (UPS) - Energy storage systems - Industrial equipment

Detailed and Complete Alternative Models

1. BQ7692000DBTR: Similar functionality but supports up to 10 cells.
2. BQ7693000DBTR: Similar functionality but supports up to 12 cells.
3. BQ7695000DBTR: Similar functionality but supports up to 16 cells.

These alternative models offer similar features and can be considered based on the specific requirements of the application.

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