BQ2954SNTRG4 - English Editing Encyclopedia Entry

Product Overview

Category

BQ2954SNTRG4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for voltage protection and monitoring in various electronic devices.

Characteristics

• Voltage protection and monitoring capabilities
• Compact size
• Low power consumption
• Wide operating temperature range
• High accuracy

Package

BQ2954SNTRG4 is available in a small outline transistor (SOT) package.

Essence

The essence of this product lies in its ability to protect electronic devices from overvoltage, undervoltage, and other voltage-related issues. It also provides accurate voltage monitoring for optimal performance.

Packaging/Quantity

BQ2954SNTRG4 is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V to 26V
• Overvoltage Threshold: Adjustable from 2.7V to 25.6V
• Undervoltage Threshold: Adjustable from 1.8V to 24.9V
• Accuracy: ±1%
• Quiescent Current: 10µA (typical)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

BQ2954SNTRG4 features the following pin configuration:

1. VCC: Power supply input
2. GND: Ground reference
3. EN: Enable pin for controlling the IC's operation
4. OV: Overvoltage threshold adjustment pin
5. UV: Undervoltage threshold adjustment pin
6. FLT: Fault output indicating voltage protection status

Functional Features

1. Voltage Protection: BQ2954SNTRG4 safeguards electronic devices by monitoring the input voltage and triggering protection mechanisms when it exceeds or falls below the set thresholds.
2. Accurate Voltage Monitoring: The IC provides precise voltage monitoring, allowing for efficient performance optimization.
3. Adjustable Thresholds: The overvoltage and undervoltage thresholds can be easily adjusted to suit specific application requirements.
4. Fault Indication: The FLT pin signals the status of voltage protection, providing a convenient way to monitor the system's health.

Advantages and Disadvantages

Advantages

• Effective voltage protection for electronic devices
• Accurate voltage monitoring
• Adjustable thresholds for customization
• Compact size allows for easy integration
• Low power consumption ensures energy efficiency

Disadvantages

• Limited voltage range (2.5V to 26V)
• Requires external components for complete functionality

Working Principles

BQ2954SNTRG4 operates based on a comparator circuit that continuously compares the input voltage with the set thresholds. When the voltage exceeds the overvoltage threshold or falls below the undervoltage threshold, the IC triggers the appropriate protection mechanism. The FLT pin indicates the fault status, enabling timely response and system recovery.

Detailed Application Field Plans

BQ2954SNTRG4 finds applications in various fields, including but not limited to: 1. Power supply units 2. Battery management systems 3. Industrial automation 4. Automotive electronics 5. Consumer electronics

Detailed and Complete Alternative Models

1. BQ2954SNTRG3: Similar to BQ2954SNTRG4, but with slightly different specifications.
2. BQ2954SNTRG5: Upgraded version with extended voltage range and additional features.
3. BQ2954SNTRG6: High-temperature variant suitable for harsh environments.

These alternative models offer similar voltage protection and monitoring capabilities, catering to different application requirements.

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