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BQ29716DSET
Product Overview
Category
BQ29716DSET belongs to the category of integrated circuits (ICs) specifically designed for battery protection.
Use
This product is primarily used for protecting lithium-ion and lithium-polymer batteries from overcharging, over-discharging, and short-circuiting.
Characteristics
- Integrated circuit for battery protection
- Designed for lithium-ion and lithium-polymer batteries
- Protects against overcharging, over-discharging, and short-circuiting
Package
BQ29716DSET is available in a small outline package (SOT) with 8 pins.
Essence
The essence of BQ29716DSET lies in its ability to safeguard lithium-ion and lithium-polymer batteries by preventing potential hazards such as overcharging, over-discharging, and short-circuiting.
Packaging/Quantity
This product is typically sold in reels or tubes containing a specific quantity of units. The exact packaging and quantity may vary depending on the supplier.
Specifications
- Input Voltage Range: 2.5V to 28V
- Overvoltage Threshold: Adjustable from 3.6V to 4.7V
- Undervoltage Threshold: Adjustable from 1.8V to 3.5V
- Overcurrent Detection Threshold: Adjustable from 10mV to 100mV
- Operating Temperature Range: -40°C to +85°C
Detailed Pin Configuration
- VDD: Power supply input
- GND: Ground reference
- BAT: Battery connection
- PROTECT: Output signal indicating battery protection status
- SDA: I2C serial data input/output
- SCL: I2C serial clock input
- ALERT: Open-drain output for alert indication
- TS: Thermistor input for temperature monitoring
Functional Features
- Overvoltage protection: Prevents the battery voltage from exceeding a safe threshold.
- Undervoltage protection: Ensures that the battery voltage does not drop below a critical level.
- Overcurrent detection: Monitors the current flow and triggers protection mechanisms if it exceeds a specified threshold.
- Temperature monitoring: Allows for temperature-based protection by monitoring the thermistor input.
Advantages and Disadvantages
Advantages
- Comprehensive battery protection against overcharging, over-discharging, and short-circuiting.
- Adjustable thresholds for customization based on specific battery requirements.
- Integrated I2C interface for easy communication with microcontrollers or other devices.
Disadvantages
- Limited to lithium-ion and lithium-polymer batteries; not suitable for other battery chemistries.
- Requires additional components for complete battery protection system implementation.
Working Principles
BQ29716DSET operates by continuously monitoring the battery voltage, current, and temperature. It compares these values against user-defined thresholds to determine if any protection measures need to be activated. The integrated I2C interface allows for configuration and communication with external devices.
Detailed Application Field Plans
BQ29716DSET finds applications in various fields where lithium-ion and lithium-polymer batteries are used, including: 1. Portable electronic devices such as smartphones, tablets, and laptops. 2. Electric vehicles and hybrid electric vehicles. 3. Energy storage systems. 4. Uninterruptible power supplies (UPS). 5. Medical devices. 6. Industrial equipment.
Detailed and Complete Alternative Models
- BQ29718DSET: Similar to BQ29716DSET but with additional features like cell balancing and fuel gauge functionality.
- BQ297xx series: A family of battery protection ICs from Texas Instruments offering different specifications and features to cater to various battery protection needs.
In conclusion, BQ29716DSET is an integrated circuit designed for battery protection, specifically for lithium-ion and lithium-polymer batteries. It offers comprehensive protection against overcharging, over-discharging, and short-circuiting. With its adjustable thresholds and integrated I2C interface, it provides flexibility and ease of use in various applications.
Listen Sie 10 häufige Fragen und Antworten im Zusammenhang mit der Anwendung von BQ29716DSET in technischen Lösungen auf
Sure! Here are 10 common questions and answers related to the application of BQ29716DSET in technical solutions:
Q: What is the BQ29716DSET? A: The BQ29716DSET is a battery protection and authentication IC designed for use in lithium-ion battery packs.
Q: What is the purpose of the BQ29716DSET? A: The BQ29716DSET provides overvoltage, undervoltage, and overcurrent protection for lithium-ion battery cells, ensuring safe operation and preventing damage.
Q: How does the BQ29716DSET protect against overvoltage? A: The BQ29716DSET monitors the voltage of each battery cell and disconnects the load if any cell exceeds the overvoltage threshold.
Q: Can the BQ29716DSET handle high currents? A: Yes, the BQ29716DSET can handle high continuous discharge currents up to 10A.
Q: Does the BQ29716DSET support balancing of battery cells? A: No, the BQ29716DSET does not have built-in cell balancing functionality. It focuses on protection and authentication features.
Q: How does the BQ29716DSET authenticate battery packs? A: The BQ29716DSET uses an internal memory to store unique pack information, allowing it to verify the authenticity of the battery pack.
Q: Can the BQ29716DSET be used in automotive applications? A: Yes, the BQ29716DSET is suitable for automotive applications as it meets the necessary safety and reliability standards.
Q: Is the BQ29716DSET compatible with different battery chemistries? A: No, the BQ29716DSET is specifically designed for lithium-ion battery packs and may not be compatible with other chemistries.
Q: What is the operating voltage range of the BQ29716DSET? A: The BQ29716DSET operates within a voltage range of 2.5V to 4.8V.
Q: Are there any evaluation boards or reference designs available for the BQ29716DSET? A: Yes, Texas Instruments provides evaluation modules and reference designs that can help in the development and testing of applications using the BQ29716DSET.
Please note that these answers are general and it's always recommended to refer to the datasheet and application notes provided by the manufacturer for specific details and guidelines.