Спецификации
| Атрибут | Ценность |
| Package | Tape & Reel (TR),Cut Tape (CT) |
| ProductStatus | Active |
| Function | Battery Protection |
| BatteryChemistry | Lithium Ion |
| NumberofCells | 2 ~ 5 |
| FaultProtection | Over Voltage |
| OperatingTemperature | -40°C ~ 110°C (TA) |
| MountingType | Surface Mount |
| Package/Case | 8-WDFN Exposed Pad |
Обзор
Description
The BQ771817DPJR is a battery protection integrated circuit (IC) designed by Texas Instruments, specifically to safeguard lithium-ion and lithium-polymer battery packs. This device is part of the BQ7718 series, which are overvoltage protection ICs featuring precise overvoltage detection to prevent overcharging conditions that could lead to battery damage or hazards. It is typically used in multi-cell battery applications such as electric vehicles, consumer electronics, and power tools.
The BQ771817DPJR is notable for its compact size and low power consumption, making it suitable for space-constrained applications. It includes features like a wide range of operating voltages, accurate overvoltage thresholds, and a low leakage current. The IC is designed to trigger protective actions such as disconnecting the charging source when overvoltage conditions are detected, thus enhancing the safety and longevity of the battery pack. With its robust performance and reliability, the BQ771817DPJR is an essential component in the design of safe and efficient battery management systems.
The BQ771817DPJR is notable for its compact size and low power consumption, making it suitable for space-constrained applications. It includes features like a wide range of operating voltages, accurate overvoltage thresholds, and a low leakage current. The IC is designed to trigger protective actions such as disconnecting the charging source when overvoltage conditions are detected, thus enhancing the safety and longevity of the battery pack. With its robust performance and reliability, the BQ771817DPJR is an essential component in the design of safe and efficient battery management systems.
Equivalent
The BQ771817DPJR is an overvoltage protection IC by Texas Instruments. Equivalent products from other manufacturers may include:
1. LTC2965 by Analog Devices: Offers similar overvoltage protection features.
2. S-8254A series by ABLIC: Provides comparable battery protection functionalities.
3. AP9214 by Diodes Incorporated: Targets similar battery management applications.
Always verify specifications to ensure compatibility with your specific requirements.
1. LTC2965 by Analog Devices: Offers similar overvoltage protection features.
2. S-8254A series by ABLIC: Provides comparable battery protection functionalities.
3. AP9214 by Diodes Incorporated: Targets similar battery management applications.
Always verify specifications to ensure compatibility with your specific requirements.
Features
The BQ771817DPJR is a battery management device, specifically a lithium-ion battery protection integrated circuit. Here are its key features:
1. Overvoltage Protection: It monitors cell voltage and provides overvoltage protection to prevent damage.
2. Precision Thresholds: Features precise voltage thresholds for reliable battery management.
3. Low Power Consumption: Designed for minimal power usage, enhancing battery life.
4. Multi-Cell Support: Can manage multiple cells in a series, suitable for various battery configurations.
5. Compact Package: Available in a small package for space-constrained applications.
6. Temperature Range: Operates across a wide temperature range, ensuring reliability in different environments.
7. Easy Integration: Simple design for easy integration into battery management systems.
8. Fail-Safe Design: Ensures a fail-safe operation to protect against potential battery faults.
These features make the BQ771817DPJR suitable for applications requiring reliable and efficient lithium-ion battery protection.
1. Overvoltage Protection: It monitors cell voltage and provides overvoltage protection to prevent damage.
2. Precision Thresholds: Features precise voltage thresholds for reliable battery management.
3. Low Power Consumption: Designed for minimal power usage, enhancing battery life.
4. Multi-Cell Support: Can manage multiple cells in a series, suitable for various battery configurations.
5. Compact Package: Available in a small package for space-constrained applications.
6. Temperature Range: Operates across a wide temperature range, ensuring reliability in different environments.
7. Easy Integration: Simple design for easy integration into battery management systems.
8. Fail-Safe Design: Ensures a fail-safe operation to protect against potential battery faults.
These features make the BQ771817DPJR suitable for applications requiring reliable and efficient lithium-ion battery protection.
Pinout
The BQ771817DPJR is a battery protection integrated circuit manufactured by Texas Instruments. It is part of the BQ7718 series, designed for overvoltage protection in lithium-ion and lithium polymer battery packs.
The BQ771817DPJR comes in a 6-pin WSON package. The pins and their functions are typically as follows:
1. VDD - Power supply pin.
2. VSS - Ground pin.
3. OUT - Output pin that often interfaces with an external N-channel MOSFET to disconnect the battery in overvoltage conditions.
4. BAT - Battery connection pin, used to sense the voltage of the battery cells.
5. NC - No internal connection; may be used for additional functions or left unconnected depending on the specific application and design.
6. NC - Another pin with no internal connection.
This IC is focused on providing essential safety features by monitoring the voltage of individual cells in a battery pack and disconnecting the load to prevent overvoltage conditions, enhancing overall battery safety and reliability.
The BQ771817DPJR comes in a 6-pin WSON package. The pins and their functions are typically as follows:
1. VDD - Power supply pin.
2. VSS - Ground pin.
3. OUT - Output pin that often interfaces with an external N-channel MOSFET to disconnect the battery in overvoltage conditions.
4. BAT - Battery connection pin, used to sense the voltage of the battery cells.
5. NC - No internal connection; may be used for additional functions or left unconnected depending on the specific application and design.
6. NC - Another pin with no internal connection.
This IC is focused on providing essential safety features by monitoring the voltage of individual cells in a battery pack and disconnecting the load to prevent overvoltage conditions, enhancing overall battery safety and reliability.
Manufacturer
The BQ771817DPJR is manufactured by Texas Instruments (TI). Texas Instruments is a global semiconductor company that designs and produces a wide range of electronic components and integrated circuits. TI is known for its innovations in analog and embedded processing, and its products are used in various applications, including automotive, industrial, personal electronics, and communications equipment. The company is headquartered in Dallas, Texas, and has a significant presence worldwide.
Application
The BQ771817DPJR is a voltage protection IC primarily used in battery management systems. Its main application areas include:
1. Lithium-Ion Battery Packs: Provides overvoltage protection for individual cells, ensuring safe operation and longevity.
2. Consumer Electronics: Used in devices like smartphones, laptops, and tablets to safeguard battery integrity.
3. Power Tools: Protects high-drain lithium-ion batteries in cordless tools.
4. Electric Vehicles: Contributes to the safety and reliability of battery systems in electric and hybrid vehicles.
5. Energy Storage Systems: Ensures safe operation of large-scale storage solutions, such as those used in solar or backup power systems.
These applications rely on its ability to prevent overcharging, thus enhancing safety and performance.
1. Lithium-Ion Battery Packs: Provides overvoltage protection for individual cells, ensuring safe operation and longevity.
2. Consumer Electronics: Used in devices like smartphones, laptops, and tablets to safeguard battery integrity.
3. Power Tools: Protects high-drain lithium-ion batteries in cordless tools.
4. Electric Vehicles: Contributes to the safety and reliability of battery systems in electric and hybrid vehicles.
5. Energy Storage Systems: Ensures safe operation of large-scale storage solutions, such as those used in solar or backup power systems.
These applications rely on its ability to prevent overcharging, thus enhancing safety and performance.
Package
The BQ771817DPJR is packaged in a TSSOP (Thin Shrink Small Outline Package) with 14 pins. This package type is known for its compact size and is commonly used in integrated circuits for space-saving applications.
