BQ25155YFPR

The BQ25155YFPR is a highly integrated battery management IC designed for portable applications. It is primarily used for charging single-cell lithium-ion and lithium-polymer batteries. Key features include an I2C interface for configuration and monitoring, integrated power path management, and support for various charging methods including constant current/constant voltage (CC/CV) charging.
This device supports input voltages from USB and other sources, enabling efficient power management. It includes safety features like thermal regulation, over-voltage, and over-current protection to ensure safe operation. The BQ25155YFPR also supports low-power modes, making it suitable for battery-operated devices.
With its compact design and versatility, the BQ25155YFPR is ideal for smartphones, wearables, and IoT devices, providing effective battery management to enhance performance and longevity.

The BQ25155YFPR is a highly integrated battery management device designed primarily for lithium-ion (Li-ion) and lithium-polymer batteries. Key features include:
1. Battery Charger: Supports various charging profiles, including linear charge and programmable charge current.
2. Power Path Management: Seamlessly manages power distribution between the battery and system load.
3. Input Voltage Range: Compatible with a wide input voltage range (from USB sources).
4. Integrated Fuel Gauge: Monitors battery status and remaining capacity accurately.
5. Programmable Parameters: Allows customization of charge current, voltage, and termination settings through I2C interface.
6. Low Quiescent Current: Optimized for low power consumption, extending battery life in portable applications.
7. Thermal Protection: Includes built-in safety features to prevent overheating during charging.
8. Compact Package: Available in a small 3mm x 3mm QFN package, suitable for space-constrained designs.
These features make the BQ25155YFPR ideal for wearable devices, IoT applications, and other portable electronics.

The BQ25155YFPR is packaged in a 20-pin VQFN (Very Thin Quad Flat No-lead) package. This compact package type is designed for efficient thermal performance and space-saving in applications such as battery management systems.

The BQ25155YFPR is a lithium-ion battery charger and power management IC with a total of 20 pins. Its primary functions include battery charging, power path management, and system power supply. The pin configuration supports various functionalities such as input power management, battery voltage sensing, and status indication.
Key pins include:
1. BAT: Battery connection.
2. GND: Ground reference.
3. VIN: Input voltage supply.
4. TS: Temperature sensing for battery protection.
5. CE: Chip enable.
6. ISET: Current setting for charge current.
7. STAT: Charge status output.
8. SYS: System load output.
The BQ25155YFPR is designed for applications requiring efficient battery management and is suitable for portable devices. Its integrated features enable compact designs and enhance battery lifespan.

The BQ25155YFPR is manufactured by Texas Instruments (TI), a leading global semiconductor company headquartered in Dallas, Texas. Texas Instruments designs and produces a wide range of analog and digital semiconductor solutions, including embedded processors, analog chips, and mixed-signal devices. The company is known for its innovative products used in various applications, such as automotive, industrial, communications, and consumer electronics. TI has a strong reputation for reliability and high-performance products, and it invests significantly in research and development to advance technology in the semiconductor industry.

The BQ25155YFPR is a highly integrated battery management IC primarily used in portable devices. Its application areas include smartphones, wearables, IoT devices, and wireless sensors. It features a buck-boost converter for efficient battery charging and management, supporting single-cell lithium-ion or lithium-polymer batteries, making it suitable for applications requiring compact, low-power energy solutions.

The BQ25155YFPR is a battery management and charging IC. Equivalent products include the BQ25150, BQ25151, and BQ25152, which offer similar functionalities with varying features such as input voltage range, charging current, and battery type support. For specific applications, check the datasheets for compatibility and electrical characteristics.