BQ24081DRCT

Product Overview

The BQ24081DRCT belongs to the category of battery charge management ICs. It is commonly used in portable electronic devices such as smartphones, tablets, and portable media players. The BQ24081DRCT is known for its compact size, high efficiency, and integrated features. It is available in a small package, making it suitable for space-constrained applications. The essence of this product lies in its ability to efficiently manage the charging process of lithium-ion or lithium-polymer batteries. The BQ24081DRCT is typically packaged in a small outline package (SOP) with a specified quantity per reel.

Specifications

• Input Voltage Range: 4.5V to 6.5V
• Charge Voltage: 4.2V
• Maximum Charge Current: 1A
• Operating Temperature Range: -40°C to 85°C
• Integrated Thermal Regulation and Protection

Detailed Pin Configuration

The BQ24081DRCT features a standard pin configuration with input, output, and control pins. The detailed pinout includes: 1. VIN (Input Voltage) 2. GND (Ground) 3. TS (Thermal Sense) 4. PROG (Charge Current Programming) 5. STAT (Charge Status Output) 6. CE (Charge Enable) 7. BAT (Battery Connection) 8. SYS (System Connection)

Functional Features

• Integrated Power FET for Charging
• Automatic Recharge
• Battery Temperature Monitoring
• Safety Timer
• Thermal Regulation

Advantages and Disadvantages

Advantages

• Compact Size
• High Efficiency
• Integrated Protection Features
• Automatic Recharge Functionality

Disadvantages

• Limited Maximum Charge Current
• Restricted Input Voltage Range

Working Principles

The BQ24081DRCT operates by regulating the charging current and voltage to ensure safe and efficient charging of lithium-ion or lithium-polymer batteries. It incorporates thermal regulation to prevent overheating and includes safety timers to protect against overcharging. The device also monitors the battery temperature to optimize the charging process.

Detailed Application Field Plans

The BQ24081DRCT is widely used in various portable electronic devices, including smartphones, tablets, handheld gaming consoles, and wearable devices. Its compact size and integrated features make it suitable for applications where space and power efficiency are crucial.

Detailed and Complete Alternative Models

• BQ24075: Similar functionality with a different package
• BQ24072: Lower maximum charge current but compatible with wider input voltage range
• BQ24070: Higher maximum charge current with similar features

In conclusion, the BQ24081DRCT is a versatile battery charge management IC designed for portable electronic devices. Its compact size, integrated features, and efficient operation make it an ideal choice for various applications requiring reliable battery charging.

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