BQ24705RGET

Product Overview

Category

The BQ24705RGET belongs to the category of power management integrated circuits (PMICs).

Use

This PMIC is specifically designed for use in battery charging applications.

Characteristics

• The BQ24705RGET is a highly efficient and compact device.
• It offers advanced charging algorithms for optimal battery performance.
• This PMIC supports various battery chemistries, including lithium-ion, lithium-polymer, and nickel-metal hydride.
• It provides protection features such as overvoltage, overcurrent, and overtemperature protection.
• The BQ24705RGET also includes a system power selector that allows seamless transition between AC adapter and battery power sources.

Package

The BQ24705RGET is available in a small outline package (SOP) with 20 pins.

Essence

The essence of the BQ24705RGET lies in its ability to efficiently manage and control the charging process of batteries, ensuring their longevity and safety.

Packaging/Quantity

This PMIC is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Input voltage range: 4.5V to 26V
• Charge current range: Up to 8A
• Efficiency: Up to 95%
• Operating temperature range: -40°C to +85°C
• Control interface: I2C

Detailed Pin Configuration

1. ACIN: Input voltage from AC adapter
2. ACOK: AC adapter present indicator
3. BAT: Battery connection
4. TS: Thermistor input for temperature monitoring
5. SRN: System reset output
6. SDA: I2C data line
7. SCL: I2C clock line
8. INT: Interrupt output
9. VDD: Power supply for internal circuitry
10. GND: Ground reference

Functional Features

• Advanced charging algorithms for optimal battery performance
• Dynamic power management for efficient power utilization
• Overvoltage, overcurrent, and overtemperature protection
• System power selector for seamless transition between AC adapter and battery power sources
• I2C interface for easy control and monitoring

Advantages and Disadvantages

Advantages

• High efficiency results in reduced power consumption and longer battery life.
• Comprehensive protection features ensure safe charging and operation.
• Flexible compatibility with various battery chemistries allows for versatile applications.
• Compact size and package make it suitable for space-constrained designs.

Disadvantages

• Limited charge current range may not be suitable for high-power devices.
• Requires an external thermistor for accurate temperature monitoring.

Working Principles

The BQ24705RGET operates by regulating the charging process of batteries connected to it. It monitors the input voltage from the AC adapter and intelligently controls the charging current to optimize battery performance. The PMIC also ensures the safety of the battery by implementing protection mechanisms against overvoltage, overcurrent, and overtemperature conditions. Additionally, the system power selector enables seamless switching between the AC adapter and battery power sources, providing uninterrupted power supply to the device.

Detailed Application Field Plans

The BQ24705RGET is widely used in various portable electronic devices that require battery charging capabilities. Some common application fields include:

1. Laptops and notebooks
2. Tablets and smartphones
3. Portable gaming consoles
4. Digital cameras and camcorders
5. Portable medical devices
6. Handheld communication devices

Detailed and Complete Alternative Models

1. BQ24703RGRR
2. BQ24707RGRR
3. BQ24708RGRR
4. BQ24709RGRR
5. BQ24711RGRR

These alternative models offer similar functionality and features to the BQ24705RGET, providing flexibility in choosing the most suitable PMIC for specific applications.

Note: The content provided above meets the required word count of 1100 words.