Texas Instruments
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BQ771801DPJT
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BQ771801DPJT

Product Overview

Category

BQ771801DPJT belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for battery management in electronic devices.

Characteristics

  • Integrated circuit designed for battery management
  • Provides various features for efficient battery usage
  • Monitors and controls charging and discharging processes
  • Offers protection against overcharging, over-discharging, and short circuits

Package

BQ771801DPJT comes in a small outline package (SOP) with a specific pin configuration.

Essence

The essence of this product lies in its ability to effectively manage and protect batteries, ensuring optimal performance and safety.

Packaging/Quantity

BQ771801DPJT is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 2.7V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Number of Pins: 20
  • Battery Cell Compatibility: Lithium-ion (Li-ion), Lithium Polymer (LiPo)

Detailed Pin Configuration

  1. VDD: Power supply input
  2. GND: Ground reference
  3. SDA: Serial data input/output
  4. SCL: Serial clock input
  5. ALERT: Interrupt output
  6. TS: Thermistor input
  7. BAT: Battery voltage input
  8. VSS: Negative terminal of the battery
  9. VREF: Reference voltage output
  10. VCC: Supply voltage output
  11. SRP: System reset output
  12. SRN: System reset output
  13. DSG: Discharge FET control output
  14. CHG: Charge FET control output
  15. THERM: Thermistor input
  16. NTC: Negative temperature coefficient input
  17. VSS: Ground reference
  18. VDD: Power supply input
  19. SDA: Serial data input/output
  20. SCL: Serial clock input

Functional Features

  • Battery voltage monitoring and reporting
  • Overcharging protection
  • Over-discharging protection
  • Short circuit protection
  • Temperature monitoring and control
  • Charging and discharging control
  • Communication interface for system integration
  • Interrupt output for status notifications

Advantages and Disadvantages

Advantages

  • Efficient battery management
  • Enhanced battery safety
  • Wide operating voltage range
  • Integrated protection features
  • Compact package size

Disadvantages

  • Limited compatibility with specific battery types
  • Requires external thermistor for accurate temperature monitoring

Working Principles

BQ771801DPJT operates by continuously monitoring the battery voltage, temperature, and charging/discharging currents. It utilizes internal algorithms to determine the appropriate charging and discharging actions, ensuring optimal battery performance and safety. The integrated protection features safeguard against overcharging, over-discharging, and short circuits.

Detailed Application Field Plans

BQ771801DPJT finds applications in various electronic devices that utilize rechargeable batteries, such as: - Smartphones - Tablets - Laptops - Portable gaming consoles - Wearable devices - Power banks

Detailed and Complete Alternative Models

  1. BQ771802DPJT
  2. BQ771803DPJT
  3. BQ771804DPJT
  4. BQ771805DPJT
  5. BQ771806DPJT

These alternative models offer similar functionality and features, providing options for different system requirements.

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Liste 10 almindelige spørgsmål og svar relateret til anvendelsen af BQ771801DPJT i tekniske løsninger

Sure! Here are 10 common questions and answers related to the application of BQ771801DPJT in technical solutions:

  1. Q: What is BQ771801DPJT? A: BQ771801DPJT is a specific model of battery management integrated circuit (IC) designed for use in technical solutions.

  2. Q: What are the key features of BQ771801DPJT? A: Some key features of BQ771801DPJT include cell balancing, voltage monitoring, temperature sensing, and communication interfaces.

  3. Q: How does BQ771801DPJT help in battery management? A: BQ771801DPJT helps in battery management by monitoring individual cell voltages, ensuring balanced charging/discharging, and protecting against overvoltage/undervoltage conditions.

  4. Q: Can BQ771801DPJT be used with different types of batteries? A: Yes, BQ771801DPJT can be used with various types of batteries, including lithium-ion (Li-ion), lithium-polymer (LiPo), and nickel-cadmium (NiCd) batteries.

  5. Q: Does BQ771801DPJT support communication protocols? A: Yes, BQ771801DPJT supports popular communication protocols such as I2C and SMBus, allowing easy integration into existing systems.

  6. Q: What is the maximum number of cells that BQ771801DPJT can monitor? A: BQ771801DPJT can monitor up to 16 individual battery cells simultaneously.

  7. Q: Is BQ771801DPJT suitable for high-current applications? A: Yes, BQ771801DPJT is designed to handle high-current applications, making it suitable for a wide range of technical solutions.

  8. Q: Can BQ771801DPJT provide accurate temperature measurements? A: Yes, BQ771801DPJT incorporates temperature sensing capabilities, allowing accurate monitoring of battery temperature.

  9. Q: Does BQ771801DPJT have built-in protection features? A: Yes, BQ771801DPJT includes built-in protection features such as overvoltage protection, undervoltage protection, and overtemperature protection.

  10. Q: Are there any application-specific considerations when using BQ771801DPJT? A: It is important to consider factors like power supply requirements, system integration, and thermal management when using BQ771801DPJT in specific technical solutions.

Please note that these answers are general and may vary depending on the specific implementation and requirements of your technical solution.