사양
| 속성 | 가치 |
| Package | Tape & Reel (TR),Cut Tape (CT),Bulk |
| ProductStatus | Active |
| Function | Multi-Function Controller |
| BatteryChemistry | Lithium Ion/Polymer |
| NumberofCells | 3 ~ 6 |
| FaultProtection | Over Current, Over Temperature, Over/Under Voltage |
| Interface | I²C |
| OperatingTemperature | -25°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 20-TSSOP (0.173, 4.40mm Width) |
개요
Description
The BQ76925PWR is a precision analog front-end (AFE) device designed by Texas Instruments for battery management systems, particularly in lithium-ion or lithium-polymer battery packs. It is optimized for use in applications requiring real-time monitoring of battery cell voltage and temperature to ensure safety and efficiency. The device features cell balancing capabilities, which help in maintaining equal charge levels across all cells, thereby enhancing the battery lifespan and performance.
Key features include a built-in multiplexer and ADC (Analog-to-Digital Converter) that facilitate accurate voltage measurement across multiple cells, and an integrated temperature sensor interface for thermal monitoring. The BQ76925PWR supports connecting up to six series-connected battery cells, making it suitable for various battery configurations.
The device operates over a wide range of voltages and temperatures, ensuring reliability in diverse environments. Its low power consumption is particularly advantageous in portable and energy-sensitive applications. Additionally, the BQ76925PWR’s compact PowerPad™ package aids in efficient thermal management and ease of integration into compact battery management systems.
Key features include a built-in multiplexer and ADC (Analog-to-Digital Converter) that facilitate accurate voltage measurement across multiple cells, and an integrated temperature sensor interface for thermal monitoring. The BQ76925PWR supports connecting up to six series-connected battery cells, making it suitable for various battery configurations.
The device operates over a wide range of voltages and temperatures, ensuring reliability in diverse environments. Its low power consumption is particularly advantageous in portable and energy-sensitive applications. Additionally, the BQ76925PWR’s compact PowerPad™ package aids in efficient thermal management and ease of integration into compact battery management systems.
Equivalent
The BQ76925PWR is a battery monitor designed by Texas Instruments. Equivalent products with similar functionalities include the MAX14921 from Maxim Integrated, the LTC6803 from Analog Devices, and the ISL94203 from Renesas Electronics. These alternatives provide battery monitoring and protection features, suitable for multi-cell battery packs in applications like electric vehicles and energy storage systems. When choosing an equivalent, consider specific features, pin compatibility, and performance requirements.
Features
The BQ76925PWR is a battery monitor and protector designed by Texas Instruments for managing lithium-ion (Li-ion) and lithium iron phosphate (LiFePO4) battery packs. It supports 3 to 6 series cell configurations. Key features include:
1. Cell Monitoring: It provides precise voltage measurement for each cell in a battery pack, helping to ensure balanced and safe charging and discharging.
2. Overvoltage and Undervoltage Protection: The device includes mechanisms to prevent overcharging or excessive discharge, which can damage cells and reduce battery life.
3. Integrated LDO Regulator: This feature supports powering external components, simplifying overall system design.
4. Temperature Sensing: It allows for external temperature sensor integration to monitor battery temperature and enhance safety.
5. Serial Interface: The device features an I2C-compatible interface for communication with external microcontrollers, enabling easy data retrieval and configuration.
6. Low Power Consumption: Designed for efficiency, it minimizes power draw to extend battery life.
7. Compact Package: Available in a TSSOP package, it supports space-constrained applications.
These features make the BQ76925PWR suitable for applications in portable electronics, electric vehicles, and energy storage systems.
1. Cell Monitoring: It provides precise voltage measurement for each cell in a battery pack, helping to ensure balanced and safe charging and discharging.
2. Overvoltage and Undervoltage Protection: The device includes mechanisms to prevent overcharging or excessive discharge, which can damage cells and reduce battery life.
3. Integrated LDO Regulator: This feature supports powering external components, simplifying overall system design.
4. Temperature Sensing: It allows for external temperature sensor integration to monitor battery temperature and enhance safety.
5. Serial Interface: The device features an I2C-compatible interface for communication with external microcontrollers, enabling easy data retrieval and configuration.
6. Low Power Consumption: Designed for efficiency, it minimizes power draw to extend battery life.
7. Compact Package: Available in a TSSOP package, it supports space-constrained applications.
These features make the BQ76925PWR suitable for applications in portable electronics, electric vehicles, and energy storage systems.
Pinout
The BQ76925PWR is a battery monitor and protector IC from Texas Instruments. It typically comes in a TSSOP (Thin Shrink Small Outline Package) with a 16-pin configuration.
The primary functions of the BQ76925PWR include:
- Monitoring cell voltages in battery packs, particularly useful for lithium-ion and lithium-polymer batteries.
- Providing protection by detecting over-voltage, under-voltage, and over-temperature conditions.
- Facilitating cell balancing to maintain uniform charge levels across all cells in a battery pack.
- Communicating with a host controller via an I2C interface for data exchange and status reporting.
The IC is designed for use in battery management systems to ensure safe and efficient operation of multi-cell battery packs. The compact design and multiple features make it suitable for applications in power tools, e-bikes, uninterruptible power supplies (UPS), and other battery-powered devices.
The primary functions of the BQ76925PWR include:
- Monitoring cell voltages in battery packs, particularly useful for lithium-ion and lithium-polymer batteries.
- Providing protection by detecting over-voltage, under-voltage, and over-temperature conditions.
- Facilitating cell balancing to maintain uniform charge levels across all cells in a battery pack.
- Communicating with a host controller via an I2C interface for data exchange and status reporting.
The IC is designed for use in battery management systems to ensure safe and efficient operation of multi-cell battery packs. The compact design and multiple features make it suitable for applications in power tools, e-bikes, uninterruptible power supplies (UPS), and other battery-powered devices.
Manufacturer
The BQ76925PWR is manufactured by Texas Instruments Incorporated (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components. The company is renowned for its development and production of analog chips and embedded processors, which are used in a variety of electronic systems and devices. TI serves a diverse range of industries, including automotive, industrial, personal electronics, communications, and enterprise systems.
Application
The BQ76925PWR is a precision battery monitor and protector designed for lithium-ion and lithium-polymer battery packs. Its primary application areas include:
1. Battery Management Systems (BMS): Used in electric vehicles, energy storage systems, and portable electronics to monitor cell voltage and temperature, ensuring safe operation.
2. Consumer Electronics: Ensures reliable battery performance in devices like laptops, tablets, and smartphones.
3. Power Tools: Monitors battery status in cordless tools, enhancing safety and efficiency.
4. Uninterruptible Power Supplies (UPS): Provides battery protection and monitoring to maintain power reliability.
5. Medical Devices: Ensures safe and efficient battery use in critical healthcare equipment.
These applications benefit from its precision monitoring, balancing, and protection features.
1. Battery Management Systems (BMS): Used in electric vehicles, energy storage systems, and portable electronics to monitor cell voltage and temperature, ensuring safe operation.
2. Consumer Electronics: Ensures reliable battery performance in devices like laptops, tablets, and smartphones.
3. Power Tools: Monitors battery status in cordless tools, enhancing safety and efficiency.
4. Uninterruptible Power Supplies (UPS): Provides battery protection and monitoring to maintain power reliability.
5. Medical Devices: Ensures safe and efficient battery use in critical healthcare equipment.
These applications benefit from its precision monitoring, balancing, and protection features.
Package
The BQ76925PWR is a battery monitor IC from Texas Instruments, and it comes in a TSSOP (Thin Shrink Small Outline Package) with 24 pins, commonly referred to as PW package type. It is designed for compact and efficient battery management applications.
