BQ24305DSGR

Product Overview

Category

BQ24305DSGR 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 circuits, providing efficient and reliable power management solutions.

Characteristics

• High efficiency: BQ24305DSGR 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.
• Compact package: The IC comes in a small form factor package, making it suitable for space-constrained applications.
• Low power consumption: BQ24305DSGR consumes minimal power during operation, enhancing overall system efficiency.

Package and Quantity

BQ24305DSGR is available in a surface-mount package, specifically the DSGR package. It is typically sold in reels or tubes containing a specified quantity of ICs per package.

Specifications

• Input voltage range: 3.5V - 26V
• Output voltage range: 3.5V - 26V
• Charging current: Up to 2A
• Operating temperature range: -40°C to +85°C
• Standby current: <1µA

Pin Configuration

The BQ24305DSGR IC has the following pin configuration:

Pin 1: VBUS Pin 2: GND Pin 3: STAT Pin 4: TS Pin 5: BAT Pin 6: PG Pin 7: EN Pin 8: ILIM

Functional Features

• Overvoltage protection: BQ24305DSGR safeguards the connected device by preventing voltage spikes beyond the specified limit.
• Overcurrent protection: It monitors the charging current and automatically cuts off power if it exceeds the set threshold.
• Thermal shutdown: The IC shuts down when the temperature rises above a certain level, preventing damage due to overheating.
• Charge status indication: The STAT pin provides information about the charging status, enabling easy monitoring.

Advantages

• Efficient power management: BQ24305DSGR optimizes power usage, ensuring maximum charging efficiency.
• Comprehensive protection: It offers multiple protection mechanisms, safeguarding both the device and the battery from potential damage.
• Compact size: The small package size makes it suitable for applications with limited space requirements.
• Low power consumption: The IC consumes minimal power during operation, reducing energy wastage.

Disadvantages

• Limited charging current: The maximum charging current of 2A may not be sufficient for high-power devices or fast charging requirements.
• Lack of advanced features: BQ24305DSGR does not incorporate advanced functionalities such as wireless charging or USB Type-C support.

Working Principles

BQ24305DSGR operates by regulating the charging current and voltage supplied to the connected battery. It continuously monitors the input voltage, output voltage, and charging current to ensure safe and efficient charging. The IC also incorporates various protection mechanisms to prevent overvoltage, overcurrent, and thermal issues.

Application Field Plans

BQ24305DSGR finds extensive application in various fields, including: 1. Portable electronic devices: Smartphones, tablets, and portable gaming consoles. 2. Wearable devices: Smartwatches, fitness trackers, and wireless earbuds. 3. IoT devices: Wireless sensors, smart home devices, and industrial monitoring systems. 4. Automotive electronics: Battery-powered accessories, electric vehicles, and hybrid vehicles.

Alternative Models

For those seeking alternative options, the following models provide similar functionality: - BQ24075RGTR - LTC4055XEDD - MCP73871-2CCI/MLI

These models offer comparable features and can be considered as alternatives to BQ24305DSGR.

In conclusion, BQ24305DSGR is a versatile integrated circuit designed for efficient power management in battery charging applications. With its compact size, comprehensive protection mechanisms, and high efficiency, it serves as a reliable solution for various electronic devices across different industries.

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