BQ24721CRHBTG4 - English Editing Encyclopedia Entry

Product Overview

Category

The BQ24721CRHBTG4 belongs to the category of integrated circuits (ICs) and specifically falls under the power management ICs.

Use

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

Characteristics

• The BQ24721CRHBTG4 is a highly efficient power management IC that offers advanced features for controlling and regulating power supply.
• It provides multiple protection mechanisms to ensure safe operation and prevent damage to the device and its components.
• This IC is designed to optimize battery charging and discharging processes, extending the battery life and enhancing overall system performance.

Package and Quantity

The BQ24721CRHBTG4 is available in a small outline package (SOIC) with a thermal pad. It is supplied in tape and reel packaging, making it suitable for automated assembly processes. The quantity per reel typically ranges from 2500 to 3000 units.

Specifications

• Input Voltage Range: 4.5V to 24V
• Output Voltage Range: 2.5V to 25.2V
• Maximum Charging Current: 8A
• Operating Temperature Range: -40°C to +85°C
• Control Interface: I2C

Pin Configuration

The BQ24721CRHBTG4 has a total of 32 pins. Here is a detailed pin configuration:

1. VIN: Input voltage pin
2. GND: Ground pin
3. VBST: Boost converter output voltage pin
4. ACOK: AC adapter present indication pin
5. ACST: AC adapter status indication pin
6. ACDET: AC adapter detection pin
7. SRN: Serial data input pin
8. SCL: Serial clock input pin
9. INT: Interrupt output pin
10. TS: Temperature sense input pin
11. BAT: Battery voltage sense input pin
12. VREF: Reference voltage output pin
13. ISET: Charging current set pin
14. SRP: System reset output pin
15. SRSET: System reset input pin
16. SRN: Serial data input pin
17. SCL: Serial clock input pin
18. INT: Interrupt output pin
19. TS: Temperature sense input pin
20. BAT: Battery voltage sense input pin
21. VREF: Reference voltage output pin
22. ISET: Charging current set pin
23. SRP: System reset output pin
24. SRSET: System reset input pin
25. VIN: Input voltage pin
26. GND: Ground pin
27. VBST: Boost converter output voltage pin
28. ACOK: AC adapter present indication pin
29. ACST: AC adapter status indication pin
30. ACDET: AC adapter detection pin
31. NC: No connection
32. NC: No connection

Functional Features

• Advanced charging algorithms for optimal battery charging and discharging.
• Integrated protection mechanisms against overvoltage, overcurrent, and overtemperature conditions.
• I2C interface for easy control and monitoring of the IC's operation.
• High efficiency power conversion for reduced energy loss and improved battery life.
• Flexible charging profiles to support various battery chemistries and capacities.

Advantages and Disadvantages

Advantages

• Efficient power management leading to extended battery life.
• Multiple protection mechanisms ensure device safety.
• Versatile charging profiles for different battery types.
• Easy control and monitoring through the I2C interface.

Disadvantages

• Limited maximum charging current (8A).
• Requires proper configuration and setup for optimal performance.

Working Principles

The BQ24721CRHBTG4 operates by regulating the power flow between the input source (AC adapter) and the battery. It employs advanced charging algorithms to optimize the charging and discharging processes, ensuring maximum efficiency and battery life. The IC continuously monitors various parameters such as voltage, current, and temperature to provide accurate control and protection.

Application Field Plans

The BQ24721CRHBTG4 is widely used in the following application fields:

1. Laptops and notebooks
2. Tablets and smartphones
3. Portable electronic devices
4. Power banks and chargers
5. Industrial equipment requiring efficient power management

Alternative Models

Here are some alternative models that offer similar functionality:

1. BQ24725CRHBTG4
2. BQ24727CRHBTG4
3. BQ24730CRHBTG4
4. BQ24735CRHBTG4
5. BQ24740CRHBTG4

These models can be considered as alternatives based on specific requirements and compatibility with the target application.