BQ294512DRVR

Product Overview

Category

BQ294512DRVR belongs to the category of integrated circuits (ICs) specifically designed for battery protection.

Use

This product is primarily used in battery management systems to ensure the safe and efficient operation of rechargeable batteries.

Characteristics

• Integrated circuit designed for battery protection
• Provides overvoltage, undervoltage, and overcurrent protection
• Offers accurate voltage and current monitoring capabilities
• Low power consumption
• Compact package size
• RoHS compliant

Package

BQ294512DRVR is available in a small outline package (SOT-23) which allows for easy integration into various electronic devices.

Essence

The essence of BQ294512DRVR lies in its ability to protect batteries from potential damage caused by overvoltage, undervoltage, and overcurrent conditions. It ensures the longevity and safety of rechargeable batteries.

Packaging/Quantity

This product is typically packaged in reels or tubes, with each reel or tube containing a specific quantity of BQ294512DRVR ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

• Input Voltage Range: 2.5V to 18V
• Overvoltage Protection Threshold: Adjustable from 2.7V to 5.5V
• Undervoltage Protection Threshold: Adjustable from 1.8V to 4.5V
• Overcurrent Detection Threshold: Adjustable from 0.5A to 10A
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 20µA (typical)

Detailed Pin Configuration

BQ294512DRVR features a total of six pins:

1. GND: Ground connection
2. VDD: Power supply input
3. VSS: Negative voltage input
4. VOUT: Output voltage
5. OV: Overvoltage detection pin
6. UV: Undervoltage detection pin

Functional Features

1. Overvoltage Protection: Monitors the input voltage and triggers a protection mechanism when it exceeds the set threshold.
2. Undervoltage Protection: Monitors the input voltage and activates protection measures when it falls below the specified threshold.
3. Overcurrent Detection: Detects excessive current flow and initiates protective actions to prevent damage to the battery or connected devices.
4. Accurate Monitoring: Provides precise voltage and current monitoring capabilities for accurate battery management.
5. Low Power Consumption: Consumes minimal power during operation, ensuring energy efficiency.

Advantages and Disadvantages

Advantages

• Comprehensive battery protection against overvoltage, undervoltage, and overcurrent conditions
• Accurate voltage and current monitoring
• Compact package size allows for easy integration into various electronic devices
• RoHS compliant, ensuring environmental friendliness

Disadvantages

• Limited to specific battery management applications
• Requires proper configuration and setup for optimal performance

Working Principles

BQ294512DRVR operates based on a combination of voltage and current monitoring techniques. It continuously monitors the input voltage and current levels, comparing them to the predefined thresholds. When any of these thresholds are exceeded, the IC triggers the appropriate protection mechanism to safeguard the battery and connected devices.

Detailed Application Field Plans

BQ294512DRVR finds applications in various fields where battery protection is crucial. Some of the potential application areas include:

1. Electric Vehicles (EVs): Ensures the safety and longevity of EV batteries by providing comprehensive protection against voltage and current anomalies.
2. Portable Electronics: Protects rechargeable batteries in smartphones, tablets, and other portable devices from potential damage caused by overvoltage or overcurrent situations.
3. Energy Storage Systems: Safeguards batteries used in renewable energy storage systems, preventing damage due to voltage fluctuations or excessive current flow.

Detailed and Complete Alternative Models

1. BQ294512DRVT: Similar to BQ294512DRVR, but available in a different package (SOT-23-6).
2. BQ294512DRVTG4: Another alternative with the same functionality as BQ294512DRVR, but offered in a tape and reel packaging option.
3. BQ294512DRVRG4: Similar to BQ294512DRVR, but supplied in a reel packaging format.

These alternative models provide flexibility in terms of package options and packaging formats while maintaining the same core functionality as BQ294512DRVR.

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