BQ24030IRHLRQ1 - English Editing Encyclopedia Entry

Product Overview

Category

BQ24030IRHLRQ1 belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is primarily used for charging single-cell lithium-ion or lithium-polymer batteries in various portable electronic devices, such as smartphones, tablets, and wearable devices.

Characteristics

• Input voltage range: 4.35V to 6.45V
• Output voltage range: 3.5V to 4.44V
• Charging current: Up to 1.5A
• Programmable charge termination current
• Thermal regulation and protection
• Integrated power FET
• Small form factor package

Package and Quantity

The BQ24030IRHLRQ1 is available in a compact 20-pin VQFN package. It is typically sold in reels containing a quantity of 2500 units.

Specifications

• Input Voltage Range: 4.35V to 6.45V
• Output Voltage Range: 3.5V to 4.44V
• Charging Current: Up to 1.5A
• Charge Termination Current: Programmable
• Operating Temperature Range: -40°C to +85°C
• Package Type: 20-pin VQFN

Pin Configuration

The BQ24030IRHLRQ1 features the following pin configuration:

1. EN (Enable)
2. STAT (Status)
3. PG (Power Good)
4. TS (Thermal Sense)
5. ISET (Charge Current Set)
6. VSS (Ground)
7. VSS (Ground)
8. VSS (Ground)
9. VSS (Ground)
10. VBAT (Battery Voltage)
11. VBUS (Input Voltage)
12. VSS (Ground)
13. VSS (Ground)
14. VSS (Ground)
15. VSS (Ground)
16. VSS (Ground)
17. VSS (Ground)
18. VSS (Ground)
19. VSS (Ground)
20. VDD (Supply Voltage)

Functional Features

• Integrated power FET for efficient charging
• Programmable charge termination current for flexible battery charging
• Thermal regulation and protection to prevent overheating
• Enable pin for easy control of charging process
• Status and power good pins for monitoring charging status

Advantages and Disadvantages

Advantages

• High charging current capability allows for faster charging times
• Programmable charge termination current enables customization for different battery types
• Integrated power FET simplifies circuit design and reduces external component count
• Thermal regulation and protection ensure safe and reliable charging

Disadvantages

• Limited input voltage range may not be suitable for all applications
• Package size may pose challenges in space-constrained designs

Working Principles

The BQ24030IRHLRQ1 operates by regulating the charging current and voltage supplied to the connected lithium-ion or lithium-polymer battery. It utilizes an integrated power FET to efficiently transfer power from the input source to the battery. The charge termination current can be programmed to suit different battery capacities, ensuring optimal charging performance. The device also incorporates thermal regulation and protection mechanisms to prevent overheating and ensure safe operation.

Application Field Plans

The BQ24030IRHLRQ1 is widely used in various portable electronic devices that require single-cell lithium-ion or lithium-polymer battery charging capabilities. Some specific application fields include:

1. Smartphones and tablets
2. Wearable devices (smartwatches, fitness trackers)
3. Portable medical devices
4. Portable audio players
5. Handheld gaming consoles

Alternative Models

For those seeking alternative options, the following models provide similar functionality to the BQ24030IRHLRQ1:

1. MCP73831T-2ACI/OT
2. MAX1555EZK+T
3. LTC4054LES5-4.2#TRMPBF
4. TPS2513EVM-001

These alternatives offer comparable charging capabilities and features, providing flexibility in choosing the most suitable solution for specific applications.

In conclusion, the BQ24030IRHLRQ1 is a versatile integrated circuit designed for efficient and reliable charging of single-cell lithium-ion or lithium-polymer batteries. Its programmable charge termination current, thermal regulation, and compact package make it an ideal choice for various portable electronic devices.