BQ24300DSGR

Product Overview

Category

BQ24300DSGR belongs to the category of integrated circuits (ICs) specifically designed for power management applications.

Use

This IC is primarily used for battery charging and protection in portable electronic devices such as smartphones, tablets, and wearable devices.

Characteristics

• Efficient power management: The BQ24300DSGR offers a high level of efficiency in charging and protecting batteries.
• Compact package: It comes in a small form factor package, making it suitable for space-constrained designs.
• Advanced protection features: This IC provides various protection mechanisms, including overvoltage protection, overcurrent protection, and thermal shutdown.
• Flexible charging options: It supports multiple charging modes, such as constant current and constant voltage.

Package and Quantity

The BQ24300DSGR is available in a small 10-pin VSON package. It is typically sold in reels containing a specified quantity of ICs.

Specifications

• Input Voltage Range: 3.5V - 6.45V
• Charging Current Range: 100mA - 2A
• Operating Temperature Range: -40°C to +85°C
• Output Voltage Range: 4.2V - 4.35V
• Quiescent Current: 25µA (typical)

Pin Configuration

The BQ24300DSGR has the following pin configuration:

1. EN (Enable)
2. PG (Power Good)
3. STAT (Status)
4. ISET (Charging Current Set)
5. TS (Thermal Shutdown)
6. GND (Ground)
7. BAT (Battery Connection)
8. SYS (System Connection)
9. VBUS (USB Power Input)
10. VREG (Regulated Output Voltage)

Functional Features

• Overvoltage Protection: The IC monitors the input voltage and protects the battery from excessive voltage levels.
• Overcurrent Protection: It safeguards the battery by limiting the charging current to prevent damage due to high currents.
• Thermal Shutdown: In case of excessive temperature, the IC shuts down to protect itself and the connected devices.
• Charging Status Indication: The STAT pin provides information about the charging status, such as charging in progress or complete.
• Charging Current Control: The ISET pin allows the user to set the desired charging current based on the battery's specifications.

Advantages and Disadvantages

Advantages

• Efficient power management ensures optimal battery charging.
• Compact package size enables integration into small electronic devices.
• Advanced protection features safeguard the battery and connected devices.
• Flexible charging options cater to different battery types and requirements.

Disadvantages

• Limited charging current range may not be suitable for high-capacity batteries.
• Lack of built-in communication protocols may limit compatibility with certain devices.

Working Principles

The BQ24300DSGR operates by monitoring the input voltage and regulating the charging current to ensure safe and efficient battery charging. It employs various protection mechanisms to prevent overvoltage, overcurrent, and excessive temperature conditions. The IC also provides charging status indication through the STAT pin.

Application Field Plans

The BQ24300DSGR is widely used in portable electronic devices that require battery charging and protection. Some specific application fields include: - Smartphones - Tablets - Wearable devices (smartwatches, fitness trackers) - Portable gaming consoles - Bluetooth headphones

Alternative Models

For those seeking alternative models with similar functionality, the following options are available: - BQ24075RGTR - MCP73831T-2ACI/OT - LTC4054LES5-4.2#PBF - MAX1551EZK+T

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

Word count: 456 words