Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 1 |
| Current-Charging | Constant - Programmable |
| ProgrammableFeatures | Current |
| FaultProtection | Over Temperature, Over Voltage, Short Circuit |
| ChargeCurrent-Max | 300mA |
| BatteryPackVoltage | 4.2V |
| Voltage-Supply(Max) | 5.5V |
| Interface | I²C |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 25-XFBGA, DSBGA |
Tổng quan
Description
The BQ25120AYFPR is an ultra-low power battery management IC designed by Texas Instruments, primarily for wearable and portable applications requiring efficient battery charging and power management solutions. It integrates a linear battery charger, a buck converter, and several power path management features to optimize power usage and extend battery life. The device supports single-cell Li-Ion and Li-Polymer batteries and offers a programmable charge current up to 500 mA, making it suitable for small battery applications.
Key features include a high-efficiency buck converter, low quiescent current, dynamic power path management, and multiple safety features such as over-voltage and over-temperature protection. It also provides various configurable options through I2C interface, allowing precise control over charging parameters and power path priorities. The BQ25120AYFPR is packaged in a compact 20-pin DSBGA, making it conducive for space-constrained designs. This IC is ideal for applications like fitness trackers, smartwatches, and other portable electronics where size, efficiency, and power management are critical considerations.
Key features include a high-efficiency buck converter, low quiescent current, dynamic power path management, and multiple safety features such as over-voltage and over-temperature protection. It also provides various configurable options through I2C interface, allowing precise control over charging parameters and power path priorities. The BQ25120AYFPR is packaged in a compact 20-pin DSBGA, making it conducive for space-constrained designs. This IC is ideal for applications like fitness trackers, smartwatches, and other portable electronics where size, efficiency, and power management are critical considerations.
Equivalent
The BQ25120AYFPR is a highly-integrated battery management IC from Texas Instruments. Equivalent products include:
1. Microchip MCP73123 - A single-cell Li-Ion/Li-Polymer charge management controller.
2. Analog Devices LTC4041 - A backup power management system for single-cell Li-Ion batteries.
3. Maxim Integrated MAX77650 - A single-inductor, multiple-output power management IC for low-power applications.
Each offers unique features, so reviewing datasheets for specifications and compatibility is recommended.
1. Microchip MCP73123 - A single-cell Li-Ion/Li-Polymer charge management controller.
2. Analog Devices LTC4041 - A backup power management system for single-cell Li-Ion batteries.
3. Maxim Integrated MAX77650 - A single-inductor, multiple-output power management IC for low-power applications.
Each offers unique features, so reviewing datasheets for specifications and compatibility is recommended.
Features
The BQ25120AYFPR is a highly efficient battery management and power management integrated circuit (PMIC) designed for low-power applications. Key features include:
1. Battery Charger: It supports single-cell Li-Ion and Li-Polymer batteries, with a charging current of up to 300 mA.
2. Ultra-Low Quiescent Current: This IC is optimized for low-power operations, enhancing battery life even in sleep modes.
3. Integrated LDO and Buck Converter: Provides efficient power regulation with an LDO (Low Dropout Regulator) and a buck converter.
4. Power Path Management: Allows seamless transition between power sources, including USB and battery.
5. Fuel Gauge: It offers a simple battery fuel gauge for accurate battery capacity monitoring.
6. Flexible Interface: Configurable via an I2C interface for tailored power management.
7. Protection Features: Includes over-voltage, over-current, and thermal protection to ensure device safety.
8. Compact Package: Comes in a small 2.5 mm x 2.5 mm package, ideal for space-constrained applications.
These features make it suitable for wearable devices, fitness trackers, and other portable electronics.
1. Battery Charger: It supports single-cell Li-Ion and Li-Polymer batteries, with a charging current of up to 300 mA.
2. Ultra-Low Quiescent Current: This IC is optimized for low-power operations, enhancing battery life even in sleep modes.
3. Integrated LDO and Buck Converter: Provides efficient power regulation with an LDO (Low Dropout Regulator) and a buck converter.
4. Power Path Management: Allows seamless transition between power sources, including USB and battery.
5. Fuel Gauge: It offers a simple battery fuel gauge for accurate battery capacity monitoring.
6. Flexible Interface: Configurable via an I2C interface for tailored power management.
7. Protection Features: Includes over-voltage, over-current, and thermal protection to ensure device safety.
8. Compact Package: Comes in a small 2.5 mm x 2.5 mm package, ideal for space-constrained applications.
These features make it suitable for wearable devices, fitness trackers, and other portable electronics.
Pinout
The BQ25120AYFPR is a highly integrated battery management IC from Texas Instruments, specifically designed for small form factor Li-Ion and Li-Polymer rechargeable batteries. It is used in portable and wearable applications due to its compact size and efficiency.
The BQ25120AYFPR comes in a 20-pin DSBGA (0.4 mm pitch) package. The device integrates a linear charger, a highly efficient buck converter, a low-dropout regulator (LDO), and a load switch, allowing for efficient power management in small devices. It supports a wide input voltage range and provides features like battery protection, fuel gauging, and temperature monitoring.
Key functions of the BQ25120AYFPR include:
1. Battery charging management with programmable termination.
2. Efficient power conversion with buck converter and LDO.
3. Battery protection and safety features.
4. Integrated power path management to ensure continuous power supply.
5. Low quiescent current for extended battery life.
These features make the BQ25120AYFPR suitable for space-constrained applications, enabling longer battery life while maintaining safety and efficiency.
The BQ25120AYFPR comes in a 20-pin DSBGA (0.4 mm pitch) package. The device integrates a linear charger, a highly efficient buck converter, a low-dropout regulator (LDO), and a load switch, allowing for efficient power management in small devices. It supports a wide input voltage range and provides features like battery protection, fuel gauging, and temperature monitoring.
Key functions of the BQ25120AYFPR include:
1. Battery charging management with programmable termination.
2. Efficient power conversion with buck converter and LDO.
3. Battery protection and safety features.
4. Integrated power path management to ensure continuous power supply.
5. Low quiescent current for extended battery life.
These features make the BQ25120AYFPR suitable for space-constrained applications, enabling longer battery life while maintaining safety and efficiency.
Manufacturer
The BQ25120AYFPR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company based in Dallas, Texas. TI designs and manufactures a wide range of electronic components, with a strong focus on analog and embedded processing products. The company serves various industries, including automotive, industrial, consumer electronics, and communications equipment, providing innovative solutions to enhance performance, efficiency, and reliability in electronic systems.
Application
The BQ25120AYFPR is a highly integrated battery management solution designed for small, portable electronics. Its application areas include wearables like fitness trackers, smartwatches, and medical sensors; hearing aids; wireless headsets; and other compact devices requiring efficient power management. This IC offers battery charging, system power management, and protection features while supporting single-cell Li-Ion and Li-Polymer batteries. Its ultra-low quiescent current and small footprint make it ideal for space-constrained applications needing extended battery life.
Package
The BQ25120AYFPR is a battery management IC from Texas Instruments. It is available in a 20-pin DSBGA (Die-Size Ball Grid Array) package type, which is compact and designed for space-constrained applications.
