BQ24075QRGTRQ1 - English Editing Encyclopedia Entry

Product Overview

Category

BQ24075QRGTRQ1 belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

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

Characteristics

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

Package and Quantity

The BQ24075QRGTRQ1 is available in a small 20-pin VQFN package. It is typically sold in reels with a quantity of 2500 units per reel.

Specifications

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

Pin Configuration

The BQ24075QRGTRQ1 has 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 Supply 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 based on battery voltage and current
• Thermal regulation and protection to prevent overheating
• Battery temperature monitoring for safe charging
• Enable pin for easy control of charging process
• Power Good (PG) pin indicates the status of the charging process
• Small form factor package for space-constrained applications

Advantages and Disadvantages

Advantages

• High charging current capability enables faster charging times
• Integrated power FET reduces external component count and simplifies design
• Programmable charge termination allows customization for different battery chemistries
• Thermal regulation and protection ensure safe charging operation
• Battery temperature monitoring prevents damage to the battery

Disadvantages

• Limited input voltage range may not be suitable for all applications
• Package size may pose challenges for compact designs with tight space constraints

Working Principles

The BQ24075QRGTRQ1 operates by regulating the charging current and voltage to the connected lithium-ion or lithium-polymer battery. It uses an integrated power FET to efficiently transfer power from the input supply to the battery. The charge termination is programmable, allowing customization for different battery chemistries. The device also incorporates thermal regulation and protection mechanisms to prevent overheating during the charging process. Battery temperature is monitored to ensure safe charging and prevent damage to the battery.

Application Field Plans

The BQ24075QRGTRQ1 is widely used in various portable electronic devices that require lithium-ion or lithium-polymer battery charging. Some potential application fields include:

1. Smartphones
2. Tablets
3. Portable media players
4. Wearable devices
5. Bluetooth headsets
6. GPS navigation systems
7. Portable gaming consoles

Alternative Models

For those seeking alternative options, the following models can be considered:

1. BQ24075RGTRQ1
2. BQ24075RGTTQ1
3. BQ24075RGTT

These models offer similar functionality and characteristics to the BQ24075QRGTRQ1 and can be suitable replacements depending on specific requirements.

In conclusion, the BQ24075QRGTRQ1 is an integrated circuit designed for charging lithium-ion or lithium-polymer batteries in portable electronic devices. Its programmable charge termination, thermal regulation, and battery temperature monitoring make it a reliable choice for efficient and safe battery charging.