BQ2954SNTR

BQ2954SNTR

Product Overview

Category

BQ2954SNTR belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for battery protection in various electronic devices.

Characteristics

• Integrated circuit designed for battery protection
• Provides overvoltage, undervoltage, and overcurrent protection
• Offers accurate voltage and current monitoring capabilities
• Low power consumption
• Compact size for easy integration into electronic devices

Package

BQ2954SNTR is available in a small outline transistor (SOT) package.

Essence

The essence of BQ2954SNTR lies in its ability to safeguard batteries from potential damage caused by voltage fluctuations and excessive current flow.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of BQ2954SNTR ICs.

Specifications

• Input Voltage Range: 2.5V to 26V
• Overvoltage Protection Threshold: Adjustable from 2.7V to 6.8V
• Undervoltage Protection Threshold: Adjustable from 1.5V to 5.5V
• Overcurrent Protection Threshold: Adjustable from 0.5A to 10A
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

BQ2954SNTR features the following pin configuration:

1. VCC: Power supply input
2. GND: Ground connection
3. BAT: Battery connection
4. OUT: Output for protected battery voltage
5. EN: Enable pin for controlling the device's operation
6. OV: Overvoltage threshold adjustment pin
7. UV: Undervoltage threshold adjustment pin
8. OC: Overcurrent threshold adjustment pin

Functional Features

• Overvoltage Protection: Monitors battery voltage and disconnects the battery from the load when it exceeds the set threshold.
• Undervoltage Protection: Cuts off the battery supply to prevent deep discharge when the voltage drops below the set threshold.
• Overcurrent Protection: Detects excessive current flow and interrupts the circuit to avoid damage to the battery and connected devices.
• Accurate Monitoring: Provides precise voltage and current measurements for effective battery management.

Advantages and Disadvantages

Advantages

• Comprehensive protection against overvoltage, undervoltage, and overcurrent scenarios
• Customizable threshold settings for different applications
• Compact size allows for easy integration into electronic devices
• Low power consumption ensures minimal impact on battery life

Disadvantages

• Limited to battery protection applications
• Requires additional external components for complete battery management system implementation

Working Principles

BQ2954SNTR operates based on a combination of voltage and current monitoring techniques. It continuously measures the battery voltage and compares it with the set thresholds. If any of the thresholds are exceeded, the corresponding protection mechanism is triggered, disconnecting the battery from the load or interrupting the circuit.

Detailed Application Field Plans

BQ2954SNTR finds application in various electronic devices that rely on batteries, such as: - Mobile phones - Laptops - Tablets - Portable gaming consoles - Power banks - Electric vehicles

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to BQ2954SNTR include: - BQ2970: Offers enhanced features like temperature monitoring and communication interface. - MAX17040: Provides advanced battery protection capabilities with integrated fuel gauge functionality. - LTC6803: Suitable for multi-cell battery packs, offering comprehensive protection and monitoring for each cell.

Note: The above alternatives are just a few examples, and there are several other models available in the market with varying specifications and features.

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