BQ24088DRCR - English Editing Encyclopedia Entry

Product Overview

Category

BQ24088DRCR 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: 4.35V to 6.45V
• Output voltage range: 3.5V to 4.44V
• Charging current up to 1.5A
• Integrated power FETs for efficient charging
• Thermal regulation and protection features
• Programmable charge termination and safety timers
• Status indication through LED or GPIO
• Compact and space-saving package

Package and Quantity

The BQ24088DRCR is available in a small outline package (SON) with dimensions of 3mm x 3mm. It is typically sold in reels or tubes, 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
• Charge Termination Options: Programmable
• Safety Timers: Programmable
• Power Efficiency: Up to 92%
• Standby Current: Less than 100µA
• Package Type: SON-10

Pin Configuration

The BQ24088DRCR has a total of 10 pins arranged as follows:

```

---

| | | U1 | |___________|

Pin Configuration:

1. VBUS
2. PGND
3. STAT
4. CE
5. TS
6. ISET
7. SRN
8. SRP
9. BAT
   1. SYS ```

Functional Features

• Integrated power FETs for efficient charging: The BQ24088DRCR incorporates power FETs that minimize power dissipation during the charging process, resulting in higher charging efficiency.
• Programmable charge termination and safety timers: This feature allows customization of the charging process based on specific battery requirements, ensuring safe and optimal charging.
• Thermal regulation and protection features: The IC includes built-in thermal regulation to prevent overheating during charging. It also provides protection against overvoltage, overcurrent, and short circuits.
• Status indication through LED or GPIO: The BQ24088DRCR offers options for indicating the charging status through either an LED or a general-purpose input/output (GPIO) pin.

Advantages and Disadvantages

Advantages

• High charging efficiency due to integrated power FETs.
• Customizable charge termination and safety timers.
• Built-in thermal regulation and protection features ensure safe charging.
• Compact package size saves space in electronic devices.

Disadvantages

• Limited input voltage range may not be suitable for all applications.
• Charging current limited to 1.5A, which may not be sufficient for high-capacity batteries.

Working Principles

The BQ24088DRCR operates by converting the input voltage from a power source into a regulated output voltage suitable for charging lithium-ion and lithium-polymer batteries. It utilizes a switching regulator to efficiently control the charging process while maintaining the desired voltage levels. The integrated power FETs minimize power dissipation, maximizing charging efficiency. The IC also includes safety features such as thermal regulation, overvoltage protection, and timers to ensure safe and optimal charging.

Detailed Application Field Plans

The BQ24088DRCR is widely used in various portable electronic devices that require battery charging capabilities. Some of the common application fields include:

1. Smartphones: The IC is utilized in smartphone designs to provide efficient and safe charging for the built-in lithium-ion batteries.
2. Tablets: Tablet devices often rely on the BQ24088DRCR to enable fast and reliable charging of their lithium-polymer batteries.
3. Portable Media Players: This product is commonly integrated into portable media players to facilitate convenient battery charging for extended playback times.
4. Wearable Devices: The compact size and efficient charging capabilities make the BQ24088DRCR suitable for wearable devices like smartwatches and fitness trackers.
5. Portable Gaming Consoles: Gaming consoles with rechargeable batteries benefit from the IC's charging efficiency and safety features.

Detailed and Complete Alternative Models

1. BQ24075RGTR: Similar to BQ24088DRCR, this IC offers a slightly