BQ24064DRCR - English Editing Encyclopedia Entry

Product Overview

Category

BQ24064DRCR belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This IC is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices, to efficiently charge lithium-ion batteries.

Characteristics

• High charging efficiency
• Compact size
• Low power consumption
• Wide input voltage range
• Overvoltage protection
• Thermal regulation

Package

BQ24064DRCR is available in a small 10-pin VSON package, which ensures easy integration into various electronic devices.

Essence

The essence of BQ24064DRCR lies in its ability to provide a reliable and efficient charging solution for lithium-ion batteries, ensuring optimal performance and extended battery life.

Packaging/Quantity

This IC is typically supplied in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Input Voltage Range: 4.35V to 6.45V
• Charging Current Range: 100mA to 1.5A
• Charge Termination Threshold: Programmable
• Preconditioning and Trickle Charge Current: Programmable
• Battery Temperature Monitoring: Yes
• Thermal Regulation: Yes
• Overvoltage Protection: Yes
• Undervoltage Lockout: Yes
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

1. EN (Enable)
2. STAT (Status Output)
3. PG (Power Good Output)
4. TS (Thermal Sense Input)
5. ISET (Charging Current Set)
6. PROG (Charge Termination Threshold Programming)
7. DPM (Dynamic Power Management)
8. BAT (Battery Connection)
9. SYS (System Connection)
10. GND (Ground)

Functional Features

• Enable/Disable control for charging
• Status output indicating charging status
• Power good output to indicate when the battery is fully charged
• Programmable charge termination threshold
• Dynamic Power Management (DPM) for efficient power utilization
• Thermal regulation to prevent overheating
• Overvoltage protection and undervoltage lockout for safe operation

Advantages and Disadvantages

Advantages

• High charging efficiency ensures faster charging times
• Compact size allows for easy integration into small electronic devices
• Low power consumption helps conserve energy
• Wide input voltage range accommodates various power sources
• Overvoltage protection safeguards the battery from damage
• Thermal regulation prevents overheating, ensuring safety

Disadvantages

• Limited charging current range may not be suitable for high-capacity batteries
• Programming charge termination threshold requires additional configuration

Working Principles

BQ24064DRCR operates based on a constant current/constant voltage (CC/CV) charging algorithm. It starts by supplying a constant current to the battery until the charge termination threshold is reached. At this point, the IC switches to a constant voltage mode, maintaining a steady voltage across the battery terminals while reducing the charging current. This ensures a complete and safe charging process.

Detailed Application Field Plans

BQ24064DRCR finds extensive application in various portable electronic devices, including: - Smartphones - Tablets - Wearable devices - Portable media players - Bluetooth headsets - GPS devices

Detailed and Complete Alternative Models

1. BQ24072RGTR: Similar functionality with enhanced charging current range.
2. BQ24075RGTT: Higher charging current capability with additional features like USB OTG support.
3. BQ24079RGTR: Integrated USB On-The-Go (OTG) functionality with adjustable charging current.

These alternative models offer similar functionality to BQ24064DRCR but with varying specifications and additional features, providing flexibility for different application requirements.

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