Texas Instruments

BQ51020YFPR  

Specialized Power Management

The BQ51020YFPR is a highly integrated battery management system (BMS) microcontroller (MCU) from Texas Instruments (TI) designed for use in lithium-ion and lithium-polymer battery-powered applications. This MCU is specifically designed to provide precise and efficient battery management, ensuring optimal performance and safety for a wide range of applications.

Description:

The BQ51020YFPR is a system-on-chip (SoC) solution that integrates a high-performance MCU with various peripheral components, including a fuel gauge, a charging controller, and a power path switch. It is available in a 40-pin QFN package and operates over a wide temperature range of -40°C to +105°C.

Features:

1. Integrated MCU: The BQ51020YFPR features a high-performance MCU with flexible software support, allowing for custom battery management algorithms and easy integration with other system components.
2. Fuel Gauge: The fuel gauge provides accurate state-of-charge (SoC) and state-of-health (SoH) monitoring, ensuring optimal battery performance and longevity.
3. Charging Controller: The integrated charging controller supports constant current/constant voltage (CC/CV) charging, as well as various charging protocols such as USB Power Delivery (PD), Quick Charge, and Battery Charging Specification (BC1.2).
4. Power Path Switch: The power path switch allows for efficient power routing between the battery and external power sources, minimizing power loss and improving overall system efficiency.
5. Safety Features: The BQ51020YFPR includes various safety features such as overcharge protection, over-discharge protection, overcurrent protection, short-circuit protection, and thermal protection.
6. Communication Interfaces: The MCU offers multiple communication interfaces, including I2C, SPI, and UART, for easy integration with other system components and external devices.
7. Programmable Alerts: The device supports programmable alerts and interrupts, allowing for real-time monitoring and control of battery parameters.
8. Wide Operating Voltage Range: The BQ51020YFPR can operate with a wide input voltage range of 2.7V to 5.5V, making it suitable for various battery chemistries and configurations.

Applications:

The BQ51020YFPR is suitable for a wide range of applications that require precise and efficient battery management, including:

1. Portable Electronics: Smartphones, tablets, laptops, and other portable devices.
2. Wearable Devices: Smartwatches, fitness trackers, and other wearable electronics.
3. IoT Devices: Smart home devices, sensors, and other Internet of Things (IoT) applications.
4. Medical Devices: Portable medical equipment, such as (blood glucose monitors) and (insulin pumps).
5. Industrial Equipment: Portable power tools, drones, and other industrial equipment with battery-powered systems.
6. Energy Storage Systems: Small-scale energy storage systems, such as backup power supplies and solar energy storage systems.

The BQ51020YFPR's highly integrated design, advanced features, and flexible software support make it an ideal choice for developers looking to implement efficient and reliable battery management solutions in their applications.

BQ51020YFPR Documents

Download datasheets and manufacturer documentation for BQ51020YFPR

Datasheets :

BQ51020,BQ51021      

PCN Packaging :

WCSP Pin Indicator 15/Jan/2021       Carrier Tape 28/Aug/2018      

PCN Design/Specification :

DSBGA/Usip 14/Sep/2016       DSBGA/uSIP 22/Jun/2016