BQ24630RGET - English Editing Encyclopedia Entry

Product Overview

Category

BQ24630RGET belongs to the category of integrated circuits (ICs) and specifically falls under the battery management ICs.

Use

This product is primarily used for battery charging and management in various electronic devices, such as smartphones, tablets, laptops, and portable power banks.

Characteristics

• BQ24630RGET is a highly efficient and compact battery management IC.
• It offers advanced charging algorithms and protection features.
• The IC supports multiple battery chemistries, including lithium-ion (Li-ion), lithium-polymer (Li-Po), and nickel-cadmium (Ni-Cd).
• It provides accurate voltage and current regulation during charging cycles.
• BQ24630RGET incorporates thermal regulation to prevent overheating during charging.

Package and Quantity

The BQ24630RGET IC is available in a small outline package (SOP) with 20 pins. It is typically sold in reels or tubes containing a specified quantity, usually around 250 units per reel.

Specifications

• Input Voltage Range: 4.5V to 26V
• Charging Voltage Range: 3.6V to 24V
• Maximum Charging Current: 10A
• Operating Temperature Range: -40°C to +85°C
• Efficiency: Up to 98%

Pin Configuration

The BQ24630RGET IC has the following pin configuration:

1. VREF: Reference voltage output
2. ISET: Charging current setting pin
3. TS: Temperature sense input
4. BAT: Battery voltage sense input
5. AC/DC: AC adapter or DC input voltage sense input
6. STAT1: Charge status indication output
7. STAT2: Charge status indication output
8. PGND: Power ground
9. VSS: Analog ground
10. VCC: Digital supply voltage
11. SDA: I2C data input/output
12. SCL: I2C clock input
13. ILIM: Input current limit setting pin
14. TS/OCV: Temperature sense or open-circuit voltage sense input
15. SRN: Serial resistor network connection
16. SRP: Serial resistor network connection
17. SRSET: Serial resistor network connection
18. SRPSET: Serial resistor network connection
19. SRNSET: Serial resistor network connection
20. VBAT: Battery voltage sense input

Functional Features

1. Advanced Charging Algorithms: BQ24630RGET incorporates sophisticated charging algorithms that optimize the charging process for different battery chemistries, ensuring efficient and safe charging.

2. Protection Mechanisms: The IC provides comprehensive protection features, including overvoltage protection, overcurrent protection, short circuit protection, and thermal regulation. These safeguards prevent damage to the battery and the charging circuitry.

3. I2C Communication Interface: BQ24630RGET supports I2C communication, allowing for easy integration with microcontrollers or other control systems. This enables monitoring and control of the charging process.

4. Wide Input Voltage Range: With an input voltage range of 4.5V to 26V, the IC can be used with various power sources, such as AC adapters, USB ports, or external power supplies.

Advantages and Disadvantages

Advantages

• High charging efficiency results in faster charging times.
• Wide input voltage range allows for versatile usage scenarios.
• Comprehensive protection mechanisms ensure safe charging.
• Compatibility with multiple battery chemistries increases its applicability.
• I2C communication interface enables easy integration and control.

Disadvantages

• Limited maximum charging current (10A) may not be suitable for high-power devices.
• Requires additional external components for complete battery charging circuitry.

Working Principles

BQ24630RGET operates based on a combination of voltage and current regulation techniques. It continuously monitors the battery voltage, input voltage, and temperature to determine the optimal charging parameters. The IC adjusts the charging current and voltage levels accordingly to ensure efficient and safe charging. It also incorporates feedback mechanisms to maintain accurate regulation throughout the charging cycle.

Application Field Plans

The BQ24630RGET IC finds applications in various electronic devices that require battery charging and management. Some potential application fields include: - Smartphones and tablets - Laptops and ultrabooks - Portable power banks and chargers - Wearable devices - Electric vehicles (for auxiliary battery charging)

Alternative Models

For those seeking alternative options, the following battery management ICs can be considered: 1. BQ24650RGET 2. BQ24618RGET 3. LTC4000-1

These models offer similar functionalities and characteristics to the BQ24630RGET, providing flexibility in choosing the most suitable option for specific