Electronic Overvoltage and Overcurrent Suppression Components - BQ24311DSGR

BQ24311DSGR Component Product Introduction

Overview

The BQ24311DSGR is a highly integrated power protection IC designed and manufactured by Texas Instruments. This component is specifically engineered for portable devices and consumer electronics, aiming to provide excellent power protection to ensure the safety and reliability of devices.

Key Features

The BQ24311DSGR offers a range of essential features, including:

1. Overvoltage Protection (OVP):

   • Protects the system from damage caused by excessive input voltage.
   • Built-in high-precision overvoltage threshold detection circuit, ensuring a swift cutoff when the voltage exceeds the set value.

2. Overcurrent Protection (OCP):

   • Prevents damage from excessive current that could cause overheating and circuit failure.
   • Accurate current detection and limiting features that respond promptly to overcurrent situations.

3. Short Circuit Protection (SCP):

   • Provides immediate response to short circuit conditions, preventing device damage.
   • Quickly disconnects the power to protect the circuit from the harmful effects of short circuit currents.

4. Thermal Shutdown Protection (TSD):

   • Integrated temperature monitoring that automatically shuts down the device when the temperature exceeds a safe threshold.
   • Ensures the safe operation of the component under extreme temperature conditions.

Technical Specifications

• Input Voltage Range: 4.5V to 28V
• Overvoltage Threshold: 6V or 10.5V (selectable)
• Quiescent Current: Typical value of 50µA
• Package Type: 8-pin WSON package (DSG)
• Operating Temperature Range: -40°C to 85°C

Applications

The BQ24311DSGR is widely used in various portable devices and consumer electronics requiring stringent power protection, such as:

• Smartphones and tablets
• Laptops and ultrabooks
• Portable media players
• Digital cameras and camcorders
• Other electronic devices needing high-reliability power management

Advantages

1. High Integration Design:

   • Integrates multiple protection functions into one component, simplifying power management system design, reducing the need for external components, and saving PCB space.

2. High Reliability:

   • Provides stable and reliable power protection through stringent voltage and current monitoring, extending the device’s lifespan.

3. Low Power Consumption:

   • Ultra-low quiescent current consumption, suitable for battery-powered portable devices, extending battery life.

Summary

The BQ24311DSGR is a powerful and highly integrated power protection IC, suitable for various portable and consumer electronics that require high reliability and efficient power management. Its comprehensive protection features and high integration design make it an ideal choice for power management solutions, effectively ensuring the safety and performance of devices. Whether designing new products or upgrading existing ones, the BQ24311DSGR can provide you with a stable and reliable power protection solution.