사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Multi-Function Controller |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 1 ~ 4 |
| FaultProtection | Over Current, Over Temperature, Over/Under Voltage, Short Circuit |
| Interface | SMBus |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 32-VFQFN Exposed Pad |
개요
Description
The BQ4050RSMR is a highly integrated battery management system (BMS) from Texas Instruments, designed to optimize the performance, safety, and longevity of lithium-ion battery packs. This fuel gauge and battery monitor IC incorporates advanced algorithms for precise state-of-charge (SoC) and state-of-health (SoH) calculation, ensuring accurate tracking and reporting of battery conditions. Key features include impedance track technology for improved accuracy, protection against overvoltage, undervoltage, overcurrent, and short-circuit conditions, and integrated cell balancing to maintain battery health. The BQ4050RSMR supports up to four series cells and is suitable for a variety of applications such as portable electronics, power tools, and medical devices. Its compact design and robust feature set make it an ideal choice for developers seeking to implement efficient battery management solutions. Additionally, it offers communication interfaces like I2C for easy integration with microcontrollers and host systems. Overall, the BQ4050RSMR provides a reliable and efficient solution for managing modern battery-powered devices.
Equivalent
The BQ4050RSMR is a battery management IC from Texas Instruments. Equivalent products would typically include battery management ICs with similar functionalities such as those from other manufacturers like Analog Devices, Maxim Integrated, or Renesas. Specific models may vary based on features like cell count, communication interface, and protection features. Always compare datasheets to ensure compatibility with your application requirements.
Features
The BQ4050RSMR is a highly integrated battery management solution designed for smart battery packs. Key features include:
1. Fuel Gauging: It utilizes Impedance Track™ technology for accurate battery fuel gauging, estimating available capacity, state of charge, and time-to-empty.
2. Protection Features: Offers robust protection against over-voltage, under-voltage, over-current, short circuit, and over-temperature conditions to ensure battery safety.
3. Cell Balancing: Supports passive cell balancing to maintain the health and longevity of multi-cell battery packs.
4. Communication: Complies with SMBus v1.1 and SBS v1.1 smart battery specifications, enabling seamless communication with host systems.
5. Authentication: Features SHA-1/HMAC authentication for enhanced security of the battery pack.
6. Configurable: Highly configurable with programmable firmware, allowing customization to suit various applications and battery chemistries.
7. Low Power Consumption: Designed for low power consumption to maximize battery runtime in portable devices.
These features make the BQ4050RSMR suitable for a wide range of applications, including consumer electronics, medical devices, and industrial equipment.
1. Fuel Gauging: It utilizes Impedance Track™ technology for accurate battery fuel gauging, estimating available capacity, state of charge, and time-to-empty.
2. Protection Features: Offers robust protection against over-voltage, under-voltage, over-current, short circuit, and over-temperature conditions to ensure battery safety.
3. Cell Balancing: Supports passive cell balancing to maintain the health and longevity of multi-cell battery packs.
4. Communication: Complies with SMBus v1.1 and SBS v1.1 smart battery specifications, enabling seamless communication with host systems.
5. Authentication: Features SHA-1/HMAC authentication for enhanced security of the battery pack.
6. Configurable: Highly configurable with programmable firmware, allowing customization to suit various applications and battery chemistries.
7. Low Power Consumption: Designed for low power consumption to maximize battery runtime in portable devices.
These features make the BQ4050RSMR suitable for a wide range of applications, including consumer electronics, medical devices, and industrial equipment.
Pinout
The BQ4050RSMR is a battery management controller from Texas Instruments designed for use in battery pack applications. It is housed in a 24-pin VQFN (Very Thin Quad Flat No-lead) package. The device performs fuel gauging, protection, and health monitoring functions for lithium-ion and lithium-polymer batteries.
Key functions include:
1. Fuel Gauging: Utilizes the Impedance Track™ technology for accurate state-of-charge (SOC) calculation.
2. Protection: Offers over-voltage, under-voltage, over-current, short-circuit, and over-temperature protection features.
3. Battery Health Monitoring: Supports monitoring of battery parameters to evaluate battery life and capacity.
4. Communication: Includes an SMBus/I2C interface for communication with the host system.
This concise summary provides an overview of the pin count and primary functions of the BQ4050RSMR. For detailed specifications and pin configurations, refer to the official datasheet from Texas Instruments.
Key functions include:
1. Fuel Gauging: Utilizes the Impedance Track™ technology for accurate state-of-charge (SOC) calculation.
2. Protection: Offers over-voltage, under-voltage, over-current, short-circuit, and over-temperature protection features.
3. Battery Health Monitoring: Supports monitoring of battery parameters to evaluate battery life and capacity.
4. Communication: Includes an SMBus/I2C interface for communication with the host system.
This concise summary provides an overview of the pin count and primary functions of the BQ4050RSMR. For detailed specifications and pin configurations, refer to the official datasheet from Texas Instruments.
Manufacturer
The BQ4050RSMR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and manufactures a wide range of analog and embedded processing chips. They serve various industries, including automotive, industrial, personal electronics, communications equipment, and enterprise systems. TI is well-known for its innovation in the semiconductor field and provides components that are essential for electronics that enhance both performance and efficiency.
Application
The BQ4050RSMR is primarily used in battery management applications. It functions as a high-precision gauging and protection system for rechargeable battery packs. Its main application areas include portable electronics, medical devices, power tools, and energy storage systems. The chip ensures accurate battery monitoring and management, offering features such as state-of-charge and state-of-health calculations, cell balancing, and protection against over-current, over-voltage, and overheating. This makes it suitable for ensuring the reliability and longevity of battery-operated devices.
Package
The BQ4050RSMR is packaged in a VQFN (Very Thin Quad Flat No-Lead) package, specifically with a 32-pin configuration. This package type is compact and suitable for applications requiring efficient use of space, common in battery management systems.
