BQ24315DSGR

Product Overview

Category

BQ24315DSGR 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: BQ24315DSGR offers high charging efficiency, minimizing energy loss during the charging process.
• Overvoltage protection: It includes built-in overvoltage protection, safeguarding the connected devices from potential damage.
• Thermal regulation: The IC incorporates thermal regulation mechanisms to prevent overheating during operation.
• Fast charging support: BQ24315DSGR supports fast charging protocols, enabling quick and efficient charging of compatible devices.

Package

The BQ24315DSGR IC is available in a small form factor package, allowing for easy integration into various electronic devices.

Essence

The essence of BQ24315DSGR lies in its ability to efficiently manage power flow during battery charging, ensuring safe and optimal charging conditions.

Packaging/Quantity

This IC is typically packaged in reels or tubes, with each reel/tube containing a specific quantity of BQ24315DSGR ICs. The exact quantity may vary depending on the supplier.

Specifications

• Input voltage range: 4.5V - 26V
• Output voltage range: 3.5V - 22V
• Charging current: Up to 2A
• Operating temperature range: -40°C to 85°C
• Package type: VSON-10

Detailed Pin Configuration

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

Functional Features

1. Overvoltage protection: BQ24315DSGR safeguards the connected devices by monitoring and preventing voltage spikes beyond the safe operating range.
2. Thermal regulation: The IC incorporates thermal shutdown mechanisms to prevent overheating, ensuring safe operation even under high ambient temperatures.
3. Charging current control: It allows for precise control of the charging current, optimizing the charging process for different battery types and capacities.
4. Power good indicator: The power good (PG) pin provides a signal indicating the availability of a stable output voltage, ensuring proper device functionality.

Advantages and Disadvantages

Advantages

• High charging efficiency, minimizing energy loss
• Built-in overvoltage protection for device safety
• Compact form factor for easy integration
• Support for fast charging protocols

Disadvantages

• Limited output voltage range
• Requires external components for complete charging circuit implementation

Working Principles

BQ24315DSGR operates based on a combination of voltage and current sensing mechanisms. It continuously monitors the input and output voltages, adjusting the charging current accordingly to maintain optimal charging conditions. The IC also incorporates various protection features to ensure safe operation and prevent damage to the connected devices.

Detailed Application Field Plans

BQ24315DSGR finds applications in various electronic devices that require efficient battery charging and protection. Some potential application fields include: - Smartphones and tablets - Portable gaming consoles - Wearable devices - Power banks - IoT devices

Detailed and Complete Alternative Models

1. BQ24075RGTR: Similar power management IC with additional features such as load sharing and thermal regulation.
2. LTC4055XEMSE-4.2: Alternative IC offering similar functionalities with extended input voltage range and higher charging current capability.
3. MAX1555EZK+T: Integrated circuit with comparable features, suitable for low-power applications.

Note: The above alternative models are provided as examples and may vary based on specific requirements and availability in the market.

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