BQ24312DSGR

Product Overview

Category

BQ24312DSGR 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: The BQ24312DSGR offers high charging efficiency, ensuring optimal use of power.
• Protection features: It incorporates various protection mechanisms such as overvoltage protection, overcurrent protection, and thermal shutdown, safeguarding the battery and the system.
• Compact package: The IC comes in a small form factor package, making it suitable for space-constrained applications.
• Low power consumption: It consumes minimal power during operation, contributing to energy efficiency.

Package and Quantity

The BQ24312DSGR is available in a surface-mount package. It is typically supplied in reels or tubes, with quantities varying based on customer requirements.

Specifications

• Input voltage range: 4.5V to 26V
• Output voltage range: 3.5V to 25V
• Charging current: Up to 2A
• Operating temperature range: -40°C to +85°C
• Package type: VSON-10

Pin Configuration

The BQ24312DSGR features the following pin configuration:

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

Functional Features

• Overvoltage protection: Monitors the input voltage and disconnects the battery if it exceeds a predefined threshold.
• Overcurrent protection: Detects excessive current flow and interrupts the charging process to prevent damage to the battery or system.
• Thermal shutdown: Activates when the IC's temperature reaches a critical level, protecting it from overheating.
• Power good indicator: Provides a signal indicating the successful completion of the charging process.
• Status output: Communicates the charging status to external devices.
• Current limit setting: Allows users to adjust the maximum charging current according to their requirements.
• Enable pin: Controls the IC's operation, enabling or disabling the charging process.
• USB power input: Accepts power from a USB source for battery charging.

Advantages

• Efficient power management: The BQ24312DSGR ensures optimal use of power, maximizing battery life.
• Comprehensive protection: It incorporates multiple protection mechanisms, safeguarding the battery and the system from potential damage.
• Compact form factor: The small package size makes it suitable for space-constrained applications.
• Versatile charging options: The IC supports various charging modes, including constant voltage and constant current.

Disadvantages

• Limited charging current: The maximum charging current is limited to 2A, which may not be sufficient for high-capacity batteries or fast charging requirements.
• Lack of advanced features: Compared to some higher-end power management ICs, the BQ24312DSGR may lack certain advanced functionalities.

Working Principles

The BQ24312DSGR operates by monitoring the input voltage, battery voltage, and charging current. It regulates the charging process based on these parameters, ensuring safe and efficient charging. The IC continuously checks for overvoltage, overcurrent, and thermal conditions, taking appropriate actions to protect the battery and the system.

Application Field Plans

The BQ24312DSGR 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: Provides power management solutions for smartwatches, fitness trackers, and other wearable gadgets. 3. Industrial equipment: Integrated into battery-powered industrial devices to manage the charging process and protect the batteries. 4. Automotive systems: Used in electric vehicles and hybrid cars for battery charging and protection.

Alternative Models

For those seeking alternative options, the following models offer similar functionality: 1. BQ24314DSGT 2. BQ24316DSGR 3. BQ24318DSGT

These alternatives provide comparable features and can be considered based on specific requirements.

In conclusion, the BQ24312DSGR is a versatile power management IC designed for battery charging and protection applications. With its high efficiency, comprehensive protection mechanisms, and compact package, it offers an efficient and reliable solution for various electronic devices.