Thông số kỹ thuật
| thuộc tính | Giá trị |
| Package / Case | Tape & Reel (TR) |
| Part Status | Active |
| Function | Battery Monitor |
| Battery Chemistry | Multi-Chemistry |
| Number of Cells | 9 ~ 15 |
| Fault Protection | Over Current, Over/Under Voltage, Short Circuit |
| Interface | I²C |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Mounting Type | Surface Mount |
Tổng quan
Description
The BQ7694002DBTR is a battery management system (BMS) IC developed by Texas Instruments. It is part of the BQ76940 family, designed for use in lithium-ion battery packs with 9 to 15 cells in series, providing essential functions such as cell voltage monitoring, overcurrent protection, and temperature sensing.
This IC integrates a high-accuracy analog-to-digital converter (ADC) for precise cell voltage readings, which assists in maintaining battery health and state-of-charge (SOC) calculations. Additionally, it features balancing control to ensure uniform charge distribution among cells, enhancing the battery pack's overall lifespan and performance.
The BQ7694002DBTR supports communication via I2C or SMBus interfaces, allowing for easy integration into smart battery systems. It also includes fault detection mechanisms for overvoltage, undervoltage, overcurrent, and short-circuit conditions, contributing to safety and reliability.
With its compact design and robust feature set, this IC is suitable for applications in electric vehicles, energy storage systems, and portable electronics that require comprehensive battery management.
This IC integrates a high-accuracy analog-to-digital converter (ADC) for precise cell voltage readings, which assists in maintaining battery health and state-of-charge (SOC) calculations. Additionally, it features balancing control to ensure uniform charge distribution among cells, enhancing the battery pack's overall lifespan and performance.
The BQ7694002DBTR supports communication via I2C or SMBus interfaces, allowing for easy integration into smart battery systems. It also includes fault detection mechanisms for overvoltage, undervoltage, overcurrent, and short-circuit conditions, contributing to safety and reliability.
With its compact design and robust feature set, this IC is suitable for applications in electric vehicles, energy storage systems, and portable electronics that require comprehensive battery management.
Equivalent
The BQ7694002DBTR is a battery management IC by Texas Instruments designed for monitoring and protecting battery packs. Equivalent products could include the following:
1. LTC6803 by Analog Devices: A battery stack monitor for high voltage battery systems.
2. MAX17823 by Maxim Integrated: A battery management IC for automotive applications.
3. S-8209A/B Series by ABLIC Inc.: A protection IC for Lithium-ion rechargeable batteries.
These alternatives offer similar functionalities but may differ in specifications and features. Always verify compatibility with your specific application.
1. LTC6803 by Analog Devices: A battery stack monitor for high voltage battery systems.
2. MAX17823 by Maxim Integrated: A battery management IC for automotive applications.
3. S-8209A/B Series by ABLIC Inc.: A protection IC for Lithium-ion rechargeable batteries.
These alternatives offer similar functionalities but may differ in specifications and features. Always verify compatibility with your specific application.
Features
The BQ7694002DBTR is a battery management system (BMS) IC designed by Texas Instruments primarily for lithium-ion battery packs. Here are its key features:
1. Cell Monitoring: It supports monitoring of up to 15 series-connected battery cells, making it suitable for medium to large battery packs.
2. Protection: The IC provides overvoltage, undervoltage, overcurrent, and short-circuit protection to ensure battery safety and longevity.
3. Balancing: It includes cell balancing functions to maintain equal charge levels across all cells, enhancing battery performance and health.
4. Communication: The device supports I2C communication, allowing data exchange with microcontrollers for system monitoring and control.
5. Temperature Sensing: It supports multiple thermistor inputs for precise temperature measurement, aiding in thermal management.
6. Low Power Consumption: The BMS IC is designed for minimal power consumption to enhance battery life during standby modes.
7. Integrated ADC: The device features an integrated analog-to-digital converter for accurate voltage and current monitoring.
These features make the BQ7694002DBTR suitable for a wide range of applications, including electric vehicles, energy storage systems, and backup power solutions.
1. Cell Monitoring: It supports monitoring of up to 15 series-connected battery cells, making it suitable for medium to large battery packs.
2. Protection: The IC provides overvoltage, undervoltage, overcurrent, and short-circuit protection to ensure battery safety and longevity.
3. Balancing: It includes cell balancing functions to maintain equal charge levels across all cells, enhancing battery performance and health.
4. Communication: The device supports I2C communication, allowing data exchange with microcontrollers for system monitoring and control.
5. Temperature Sensing: It supports multiple thermistor inputs for precise temperature measurement, aiding in thermal management.
6. Low Power Consumption: The BMS IC is designed for minimal power consumption to enhance battery life during standby modes.
7. Integrated ADC: The device features an integrated analog-to-digital converter for accurate voltage and current monitoring.
These features make the BQ7694002DBTR suitable for a wide range of applications, including electric vehicles, energy storage systems, and backup power solutions.
Pinout
The BQ7694002DBTR is a battery management IC from Texas Instruments, designed for monitoring and protecting lithium-ion battery packs. It typically comes in a 30-pin TSSOP package. Key functions include:
1. Cell Monitoring: Monitors up to 15 series-connected cells for voltage.
2. Temperature Sensing: Supports external temperature sensors for thermal management.
3. Overcurrent Protection: Detects and responds to overcurrent conditions.
4. Balancing: Supports passive cell balancing to maintain equal charge levels across cells.
5. Communication: Uses I2C interface for communication with a host microcontroller.
6. Fault Detection: Detects various fault conditions such as overvoltage, undervoltage, and overtemperature.
The specific pin configuration can be found in the datasheet, which provides detailed information on each pin's function, including power supply, communication interfaces, and cell connections.
1. Cell Monitoring: Monitors up to 15 series-connected cells for voltage.
2. Temperature Sensing: Supports external temperature sensors for thermal management.
3. Overcurrent Protection: Detects and responds to overcurrent conditions.
4. Balancing: Supports passive cell balancing to maintain equal charge levels across cells.
5. Communication: Uses I2C interface for communication with a host microcontroller.
6. Fault Detection: Detects various fault conditions such as overvoltage, undervoltage, and overtemperature.
The specific pin configuration can be found in the datasheet, which provides detailed information on each pin's function, including power supply, communication interfaces, and cell connections.
Manufacturer
The BQ7694002DBTR is manufactured by Texas Instruments (TI). Texas Instruments is an American technology company that designs and manufactures semiconductors and various integrated circuits, which are used in electronic products globally. TI is known for its innovation in the field of analog and embedded processing, and it serves a wide range of markets, including industrial, automotive, personal electronics, communications equipment, and enterprise systems.
Application
The BQ7694002DBTR is a battery management system (BMS) integrated circuit typically used in applications requiring efficient battery monitoring and protection. It is commonly applied in:
1. Lithium-ion and lithium-polymer battery packs.
2. Electric vehicles (EVs) and hybrid electric vehicles (HEVs).
3. Energy storage systems (ESS).
4. Uninterruptible power supplies (UPS).
5. Power tools and garden equipment.
6. E-bikes and e-scooters.
7. Portable medical devices.
8. Industrial and consumer electronics requiring battery management.
Its features, such as cell balancing, over-voltage, under-voltage, over-current, and temperature protection, make it suitable for ensuring safety and longevity of battery systems in these applications.
1. Lithium-ion and lithium-polymer battery packs.
2. Electric vehicles (EVs) and hybrid electric vehicles (HEVs).
3. Energy storage systems (ESS).
4. Uninterruptible power supplies (UPS).
5. Power tools and garden equipment.
6. E-bikes and e-scooters.
7. Portable medical devices.
8. Industrial and consumer electronics requiring battery management.
Its features, such as cell balancing, over-voltage, under-voltage, over-current, and temperature protection, make it suitable for ensuring safety and longevity of battery systems in these applications.
Package
The BQ7694002DBTR is a battery management device from Texas Instruments, and it comes in a TSSOP (Thin Shrink Small Outline Package) package type with 30 pins. This package format is known for its compact size, making it suitable for space-constrained applications.
