BQ78PL114RGZR
Product Overview
Category
BQ78PL114RGZR belongs to the category of integrated circuits (ICs).
Use
This IC is primarily used for battery management in various electronic devices.
Characteristics
- High precision voltage and current monitoring
- Integrated protection features
- Efficient power management capabilities
Package
BQ78PL114RGZR is available in a small outline package (SOP) with 20 pins.
Essence
The essence of this product lies in its ability to accurately monitor and manage battery performance, ensuring optimal usage and safety.
Packaging/Quantity
BQ78PL114RGZR is typically packaged in reels, with each reel containing a specific quantity of ICs. The exact quantity may vary depending on the manufacturer's specifications.
Specifications
- Input Voltage Range: 2.7V to 28V
- Operating Temperature Range: -40°C to +85°C
- Battery Cell Compatibility: Lithium-ion (Li-ion), Lithium Iron Phosphate (LiFePO4), Nickel Metal Hydride (NiMH)
Detailed Pin Configuration
- VSS - Ground
- VDD - Power Supply
- SDA - I2C Serial Data
- SCL - I2C Serial Clock
- ALERT - Interrupt Output
- BAT - Battery Voltage Sense
- TS - Temperature Sense
- STAT - Status Output
- CHG - Charge Enable
- DSG - Discharge Enable
- PACK+ - Positive Terminal of Battery Pack
- PACK- - Negative Terminal of Battery Pack
- VREF - Reference Voltage Output
- VREG - Regulated Output Voltage
- VCC - Power Supply for Internal Circuitry
- NC - No Connection
- NC - No Connection
- NC - No Connection
- NC - No Connection
- NC - No Connection
Functional Features
- Accurate voltage and current monitoring for battery management
- Overvoltage and undervoltage protection
- Overcurrent protection
- Temperature monitoring and protection
- Charge and discharge control
- Communication through I2C interface
- Status indication through interrupt output
Advantages and Disadvantages
Advantages
- High precision monitoring ensures optimal battery performance
- Integrated protection features enhance safety
- Efficient power management capabilities extend battery life
- Versatile compatibility with different battery cell types
Disadvantages
- Limited to I2C communication interface
- Requires external components for complete battery management system
Working Principles
BQ78PL114RGZR operates by continuously monitoring the voltage, current, and temperature of the connected battery. It utilizes these measurements to implement various protection mechanisms and control the charging and discharging processes. The IC communicates with the host system through the I2C interface, providing real-time status updates and enabling efficient battery management.
Detailed Application Field Plans
BQ78PL114RGZR finds applications in a wide range of electronic devices that rely on battery power. Some potential application fields include: - Portable consumer electronics (e.g., smartphones, tablets) - Wearable devices (e.g., smartwatches, fitness trackers) - Medical devices (e.g., portable monitors, insulin pumps) - Industrial equipment (e.g., handheld tools, measurement devices) - Electric vehicles (e.g., electric bikes, scooters)
Detailed and Complete Alternative Models
- BQ76930 - Battery Management System IC
- LTC6804 - Multicell Battery Monitor IC
- MAX14920 - Battery Pack Monitor IC
- ISL94203 - Battery Management IC
- MCP73871 - Single Cell Li-ion/Li-polymer Charge Management Controller
These alternative models offer similar functionalities and can be considered as alternatives to BQ78PL114RGZR based on specific requirements and application needs.
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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af BQ78PL114RGZR i tekniske løsninger
Sure! Here are 10 common questions and answers related to the application of BQ78PL114RGZR in technical solutions:
Question: What is the BQ78PL114RGZR?
Answer: The BQ78PL114RGZR is a battery management system (BMS) integrated circuit designed for use in technical solutions.Question: What are the key features of the BQ78PL114RGZR?
Answer: The key features of the BQ78PL114RGZR include cell balancing, voltage and temperature monitoring, current sensing, and communication interfaces.Question: How does the BQ78PL114RGZR help with cell balancing?
Answer: The BQ78PL114RGZR monitors individual cell voltages and can actively balance the cells by transferring charge between them, ensuring optimal performance and longevity of the battery pack.Question: Can the BQ78PL114RGZR monitor battery temperature?
Answer: Yes, the BQ78PL114RGZR has built-in temperature sensors that can monitor the temperature of the battery pack, allowing for thermal management and protection.Question: What communication interfaces are supported by the BQ78PL114RGZR?
Answer: The BQ78PL114RGZR supports I2C and SMBus interfaces, enabling easy integration with microcontrollers or other control systems.Question: Is the BQ78PL114RGZR suitable for high-current applications?
Answer: Yes, the BQ78PL114RGZR can handle high currents and provides accurate current sensing capabilities for precise monitoring and control.Question: Can the BQ78PL114RGZR be used in automotive applications?
Answer: Yes, the BQ78PL114RGZR is automotive-grade and can be used in electric vehicles, hybrid vehicles, and other automotive applications.Question: Does the BQ78PL114RGZR support overvoltage and undervoltage protection?
Answer: Yes, the BQ78PL114RGZR has built-in protection features to prevent overvoltage and undervoltage conditions, ensuring the safety and reliability of the battery pack.Question: Can the BQ78PL114RGZR be used with different types of batteries?
Answer: Yes, the BQ78PL114RGZR is compatible with various battery chemistries, including lithium-ion, lithium-polymer, and lithium iron phosphate (LiFePO4).Question: Are evaluation boards or reference designs available for the BQ78PL114RGZR?
Answer: Yes, Texas Instruments provides evaluation boards and reference designs that can help developers quickly prototype and integrate the BQ78PL114RGZR into their technical solutions.
Please note that these answers are general and may vary depending on the specific application and requirements.