BQ24232RGTTG4

Product Overview

Category

BQ24232RGTTG4 belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

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

Characteristics

• Input voltage range: 3.9V to 6.45V
• Output voltage range: 3.9V to 6.2V
• Charging current range: Up to 2A
• Programmable charge current limit
• Integrated power path management
• Thermal regulation and protection
• Battery temperature monitoring
• Status indication outputs
• Small form factor package

Package

The BQ24232RGTTG4 is available in a small 16-pin QFN (Quad Flat No-Lead) package, which provides excellent thermal performance and compact size suitable for space-constrained applications.

Essence

The essence of the BQ24232RGTTG4 lies in its ability to efficiently and safely charge lithium-ion and lithium-polymer batteries while providing essential features like power path management, thermal regulation, and status indication outputs.

Packaging/Quantity

This product is typically sold in reels containing a quantity of 250 units per reel.

Specifications

• Input Voltage Range: 3.9V to 6.45V
• Output Voltage Range: 3.9V to 6.2V
• Charging Current Range: Up to 2A
• Operating Temperature Range: -40°C to +85°C
• Package Type: 16-pin QFN

Detailed Pin Configuration

1. EN (Enable)
2. STAT (Status Indication)
3. PG (Power Good)
4. TS (Thermal Sense)
5. ISET (Charge Current Setting)
6. VBUS (Input Voltage)
7. GND (Ground)
8. BAT (Battery Connection)
9. SYS (System Connection)
10. ILIM (Current Limit Setting)
11. PROG (Programming Input)
12. TS/NTC (Thermal Sense or NTC Thermistor)
13. SDA (I2C Data)
14. SCL (I2C Clock)
15. INT (Interrupt Output)
16. VREG (Output Voltage)

Functional Features

1. Integrated power path management allows simultaneous charging of the battery and powering the system.
2. Programmable charge current limit enables flexibility in charging different battery capacities.
3. Thermal regulation and protection prevent overheating and ensure safe operation.
4. Battery temperature monitoring ensures optimal charging conditions.
5. Status indication outputs provide visual feedback on the charging process.
6. Small form factor package enables space-saving designs.

Advantages and Disadvantages

Advantages

• Efficient and safe charging of lithium-ion and lithium-polymer batteries.
• Integrated power path management for simultaneous charging and system operation.
• Programmable charge current limit for flexibility.
• Thermal regulation and protection for safe operation.
• Battery temperature monitoring for optimal charging conditions.
• Compact size suitable for space-constrained applications.

Disadvantages

• Limited to charging lithium-ion and lithium-polymer batteries only.
• Requires additional external components for complete charging circuit implementation.

Working Principles

The BQ24232RGTTG4 operates by regulating the input voltage from a power source and converting it into an appropriate charging voltage for the connected lithium-ion or lithium-polymer battery. It incorporates power path management, allowing the battery to be charged while simultaneously powering the system. The charge current can be programmed to suit different battery capacities. The device also includes thermal regulation and protection features to prevent overheating and ensure safe operation. Battery temperature monitoring ensures that the charging process occurs under optimal conditions.

Detailed Application Field Plans

The BQ24232RGTTG4 is widely used in various portable electronic devices, including but not limited to: - Smartphones - Tablets - Portable media players - Wearable devices - Bluetooth headsets - GPS devices - Digital cameras

Detailed and Complete Alternative Models

1. BQ24230RGTTG4: Similar to BQ24232RGTTG4 but with a lower charging current limit of 1.5A.
2. BQ24231RGTTG4: Similar to BQ24232RGTTG4 but with a different pin configuration.
3. BQ24233RGTTG4: Similar to BQ24232RGTTG4 but with additional features like USB OTG support.

These alternative models provide similar functionality and can be considered as replacements depending on specific application requirements.

In conclusion, the BQ24232RGTTG4 is an integrated circuit designed for efficient and safe charging of lithium-ion and lithium-polymer batteries. Its compact size