BQ24314DSGR

Product Overview

Category

BQ24314DSGR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is commonly used in battery charging and protection systems, providing efficient and reliable power management solutions.

Characteristics

• High efficiency: BQ24314DSGR offers a high charging efficiency, ensuring optimal use of power.
• Protection features: It includes various protection mechanisms such as overvoltage protection, overcurrent protection, and thermal shutdown, safeguarding both the device and the battery.
• Compact package: The IC comes in a small form factor package, making it suitable for space-constrained applications.
• Low power consumption: BQ24314DSGR minimizes power consumption during operation, enhancing overall system efficiency.

Package and Quantity

The BQ24314DSGR IC is available in a surface-mount package. Each package contains a single IC.

Specifications

• Input voltage range: 4.5V to 26V
• Output voltage range: 3.5V to 18V
• Charging current: Up to 2A
• Operating temperature range: -40°C to +85°C
• Package type: VSON-10

Pin Configuration

The BQ24314DSGR IC has the following pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. PG: Power good indicator pin
4. STAT: Status output pin
5. TS: Thermal shutdown pin
6. ISET: Current limit setting pin
7. BAT: Battery voltage sense pin
8. VBUS: USB input voltage sense pin
9. D+/D-: USB data pins
10. EN: Enable pin

Functional Features

• Overvoltage protection: Automatically detects and protects against excessive input voltage.
• Overcurrent protection: Monitors the charging current and prevents it from exceeding safe limits.
• Thermal shutdown: Activates when the temperature exceeds a predefined threshold, preventing damage to the IC.
• Power good indicator: Provides a signal indicating the availability of regulated output voltage.

Advantages

• Efficient power management: BQ24314DSGR optimizes power usage, resulting in improved battery life.
• Comprehensive protection: The IC offers multiple protection features, ensuring the safety of both the device and the battery.
• Compact size: Its small form factor makes it suitable for space-constrained applications.

Disadvantages

• Limited charging current: The maximum charging current of 2A may not be sufficient for high-capacity batteries.
• Single package option: The IC is only available in the VSON-10 package, limiting flexibility in certain designs.

Working Principles

BQ24314DSGR operates by regulating the input voltage and controlling the charging current to ensure safe and efficient charging of the battery. It continuously monitors various parameters such as voltage, current, and temperature to provide reliable power management.

Application Field Plans

The BQ24314DSGR IC finds applications in various fields, including: 1. Portable electronic devices: Used in smartphones, tablets, and portable gaming consoles for battery charging and protection. 2. Wearable devices: Enables efficient power management in smartwatches, fitness trackers, and other wearable gadgets. 3. Industrial equipment: Integrated into battery-powered industrial devices to optimize power usage and protect against voltage fluctuations.

Alternative Models

For those seeking alternative options, the following models offer similar functionality: 1. BQ24075RGTR 2. LTC4054LES5-4.2 3. MCP73831T-2ATI/OT

These alternatives can be considered based on specific requirements and design constraints.

In conclusion, the BQ24314DSGR IC is a versatile power management solution designed for battery charging and protection applications. Its high efficiency, comprehensive protection features, and compact size make it an ideal choice for various portable electronic devices and industrial equipment. However, the limited charging current and single package option should be taken into consideration when selecting this IC for specific designs.