Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| BatteryChemistry | Lithium Ion |
| NumberofCells | 1 ~ 4 |
| Current-Charging | Constant - Programmable |
| FaultProtection | Over Current, Over Voltage, Short Circuit |
| BatteryPackVoltage | 19.2V (Max) |
| Voltage-Supply(Max) | 24V |
| Interface | I²C |
| OperatingTemperature | 0°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 20-VFQFN Exposed Pad |
Обзор
Description
The BQ24725ARGRR is an integrated circuit (IC) developed by Texas Instruments, designed for battery management applications. It functions as a host-controlled, multi-cell battery charge controller optimized for devices with lithium-ion or lithium-polymer batteries. This IC manages battery charging through an SMBus (System Management Bus) interface, allowing for precise control over charge parameters such as current and voltage.
Key features of the BQ24725ARGRR include bootstrapped drivers for efficiency, programmable charge current and voltage, and automatic system power source selection from either adapter or battery. It also provides safety features like over-voltage protection, over-current protection, and thermal regulation, ensuring safe operation under various conditions.
The IC is typically used in portable electronic devices, including notebooks, tablets, and other battery-operated gadgets, where advanced power management is crucial. Its compact design and efficient power conversion help extend battery life and improve device performance, making it a reliable choice for modern electronic applications.
Key features of the BQ24725ARGRR include bootstrapped drivers for efficiency, programmable charge current and voltage, and automatic system power source selection from either adapter or battery. It also provides safety features like over-voltage protection, over-current protection, and thermal regulation, ensuring safe operation under various conditions.
The IC is typically used in portable electronic devices, including notebooks, tablets, and other battery-operated gadgets, where advanced power management is crucial. Its compact design and efficient power conversion help extend battery life and improve device performance, making it a reliable choice for modern electronic applications.
Equivalent
The BQ24725ARGRR is a battery charge controller manufactured by Texas Instruments. Equivalent products from other manufacturers include:
1. Maxim Integrated: MAX8724
2. Linear Technology (now part of Analog Devices): LTC4006
3. Microchip Technology: MCP73871
4. ON Semiconductor: NCP187
While these products offer similar functionalities, always verify specific features and compatibility for your application.
1. Maxim Integrated: MAX8724
2. Linear Technology (now part of Analog Devices): LTC4006
3. Microchip Technology: MCP73871
4. ON Semiconductor: NCP187
While these products offer similar functionalities, always verify specific features and compatibility for your application.
Features
The BQ24725ARGRR is a highly integrated charge management IC designed for notebook and ultrabook computers. Key features include:
1. Synchronous Buck Converter: It utilizes a high-efficiency synchronous buck converter to deliver optimal power conversion efficiency.
2. Dynamic Power Management (DPM): This feature adjusts the charge current automatically to avoid overloading the adaptor.
3. Input Voltage Range: Supports a wide input voltage range suitable for various power adapters.
4. Battery Detection: Includes automatic battery detection and supports charging of 1-4 series Li-ion/Li-polymer cells.
5. I2C Interface: Offers an I2C interface for programmable charge parameters and status monitoring.
6. Safety Protections: Provides overvoltage, overcurrent, and thermal protection to ensure safe operation.
7. Power Path Management: Allows the system to switch between the battery and adapter seamlessly, ensuring the device remains powered in all scenarios.
8. Low Quiescent Current: Features low quiescent current to enhance battery life during idle times.
These features make the BQ24725ARGRR an efficient and reliable choice for managing charging in portable computing applications.
1. Synchronous Buck Converter: It utilizes a high-efficiency synchronous buck converter to deliver optimal power conversion efficiency.
2. Dynamic Power Management (DPM): This feature adjusts the charge current automatically to avoid overloading the adaptor.
3. Input Voltage Range: Supports a wide input voltage range suitable for various power adapters.
4. Battery Detection: Includes automatic battery detection and supports charging of 1-4 series Li-ion/Li-polymer cells.
5. I2C Interface: Offers an I2C interface for programmable charge parameters and status monitoring.
6. Safety Protections: Provides overvoltage, overcurrent, and thermal protection to ensure safe operation.
7. Power Path Management: Allows the system to switch between the battery and adapter seamlessly, ensuring the device remains powered in all scenarios.
8. Low Quiescent Current: Features low quiescent current to enhance battery life during idle times.
These features make the BQ24725ARGRR an efficient and reliable choice for managing charging in portable computing applications.
Pinout
The BQ24725ARGRR is a battery charge controller IC from Texas Instruments, typically used in notebook and portable devices. It comes in a 20-pin package.
Key functions of the BQ24725ARGRR include:
1. Battery Charging Control: It manages battery charging with high accuracy for single and multi-cell battery packs.
2. Input Current Optimization: The IC supports dynamic power management to optimize input current utilization.
3. Host-Controlled: Charging parameters can be adjusted via a system management bus (SMBus).
4. Protection Features: It includes protections such as over-voltage, over-current, and thermal shutdown.
5. Adaptive Regulation: Implements adaptive charge regulation based on system power requirements.
These features make the BQ24725ARGRR suitable for efficiently charging and managing modern batteries in a variety of portable electronic devices.
Key functions of the BQ24725ARGRR include:
1. Battery Charging Control: It manages battery charging with high accuracy for single and multi-cell battery packs.
2. Input Current Optimization: The IC supports dynamic power management to optimize input current utilization.
3. Host-Controlled: Charging parameters can be adjusted via a system management bus (SMBus).
4. Protection Features: It includes protections such as over-voltage, over-current, and thermal shutdown.
5. Adaptive Regulation: Implements adaptive charge regulation based on system power requirements.
These features make the BQ24725ARGRR suitable for efficiently charging and managing modern batteries in a variety of portable electronic devices.
Manufacturer
The BQ24725ARGRR is manufactured by Texas Instruments (TI), a global leader in the semiconductor industry. Founded in 1930 and headquartered in Dallas, Texas, TI designs and produces a wide range of semiconductor products, including integrated circuits, analog electronics, and embedded processors. The company serves various sectors such as automotive, industrial, consumer electronics, communications equipment, and enterprise systems. TI is known for its innovations in analog technology, power management, and digital signal processing, making it a key player in the electronics hardware landscape.
Application
The BQ24725ARGRR is a battery charge controller designed for applications in portable electronics. It is commonly used in:
1. Laptops and Notebooks: Managing battery charging efficiently in portable computing devices.
2. Tablets: Providing optimized battery charging solutions for extended battery life.
3. Portable Medical Devices: Ensuring reliable power management for critical medical equipment.
4. Power Banks: Controlling charging operations in external battery packs.
5. Consumer Electronics: Supporting various devices that require intelligent battery management.
Its features, such as SMBus communication and synchronous PWM controller, make it suitable for devices requiring precise charge control and monitoring.
1. Laptops and Notebooks: Managing battery charging efficiently in portable computing devices.
2. Tablets: Providing optimized battery charging solutions for extended battery life.
3. Portable Medical Devices: Ensuring reliable power management for critical medical equipment.
4. Power Banks: Controlling charging operations in external battery packs.
5. Consumer Electronics: Supporting various devices that require intelligent battery management.
Its features, such as SMBus communication and synchronous PWM controller, make it suitable for devices requiring precise charge control and monitoring.
Package
The BQ24725ARGRR is a battery charger controller IC from Texas Instruments, and it comes in a VQFN (Very Thin Quad Flat No-Lead) package with 24 pins. The specific package type for the BQ24725ARGRR is the 24-VQFN (RGR), which typically includes a small, leadless, and thermally efficient design suitable for compact electronic devices.
