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BQ7694202PFBR
+Lista de Materiais3-SERIES TO 10-SERIES MULTICELL
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FabricanteTexas Instruments
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Peça do Fabricante #BQ7694202PFBR
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Pacote TQFP (PFB)-48
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Especificações
| Atributo | Valor |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Multi-Function Controller |
| BatteryChemistry | LiFePO4/Li-ion |
| NumberofCells | 3 ~ 10 |
| FaultProtection | Over Current, Over Temperature, Over Voltage, Short Circuit |
| Interface | I²C |
| OperatingTemperature | -40°C ~ 85°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 48-TQFP |
Visão Geral
Description
Key features include:
1. Cell Monitoring: Provides precise voltage and temperature measurements for each cell, ensuring safe operation.
2. Protection Features: Includes overvoltage, undervoltage, overcurrent, short-circuit, and overtemperature protection.
3. Cell Balancing: Supports passive balancing for improved battery life and performance.
4. Communication: Utilizes an I²C interface for easy integration with microcontrollers and other systems.
5. Low Power Consumption: Designed for minimal power usage to extend battery life.
The BQ7694202PFBR is ideal for applications requiring reliable and efficient battery management, enhancing safety and extending the lifespan of battery systems.
Equivalent
1. LTC6811 by Analog Devices: A high-voltage battery stack monitor.
2. MAX14921 by Maxim Integrated: A battery management IC for high-voltage applications.
3. ISL94212 by Renesas Electronics: A battery pack monitor and protection IC.
4. MC33771 by NXP Semiconductors: A battery cell controller.
These alternatives offer similar functionalities for battery management and protection systems.
Features
1. Cell Monitoring: Supports up to 20 series-connected cells with integrated ADCs for precise voltage and temperature measurement.
2. Protection Features: Offers overvoltage, undervoltage, overcurrent, and short-circuit protection to ensure battery safety.
3. Balance Functions: Includes passive cell balancing to maintain uniform charge levels across all cells.
4. Communication: Utilizes I²C or SPI interfaces for communication with microcontrollers, allowing for robust data exchange and system control.
5. Integrated Diagnostics: Offers fault diagnostics and reporting capabilities, facilitating quick identification and resolution of issues.
6. Power Management: Incorporates low-power modes to reduce energy consumption when the system is idle.
7. Scalability: Can be combined with multiple devices for managing larger battery packs.
8. Operating Temperature: Designed to function efficiently across a wide temperature range, suitable for various applications.
These features make it ideal for applications in electric vehicles, energy storage systems, and portable electronics where reliable battery management is crucial.
Pinout
Key functions of the BQ7694202 include:
1. Cell Monitoring: Monitors individual cell voltages in a battery pack to ensure balanced charging and discharging.
2. Overvoltage and Undervoltage Protection: Protects against cells being overcharged or excessively discharged.
3. Overcurrent and Short-Circuit Protection: Safeguards the battery pack from excessive current flow or short-circuit conditions.
4. Temperature Monitoring: Includes thermistor inputs for monitoring battery temperature to prevent overheating.
5. Communication Interface: Supports I2C communication for data exchange with a host microcontroller or processor.
This IC is commonly used in applications like power tools, electric bicycles, and energy storage systems where robust battery management is crucial. For complete details, refer to the manufacturer's datasheet.
Manufacturer
Application
1. Electric Vehicles (EVs) and Hybrid Electric Vehicles (HEVs): Provides crucial battery management for performance and safety.
2. Energy Storage Systems (ESS): Ensures efficient energy management and safety in large-scale storage solutions.
3. Uninterruptible Power Supplies (UPS): Protects and manages battery packs for reliable backup power.
4. Portable Power Tools: Enhances performance and safety in high-drain battery-operated tools.
5. E-bikes and Scooters: Offers efficient management for smaller battery packs.
These applications benefit from the IC's features such as cell balancing, overcurrent protection, and state-of-charge estimation.