Texas Instruments
L'image peut être une représentation.
Voir les spécifications pour les détails du produit.
BQ27750DRZT
Voir les détails DataSheets

BQ27750DRZT - English Editing Encyclopedia Entry

Product Overview

Category

BQ27750DRZT belongs to the category of integrated circuits (ICs) specifically designed for battery management systems.

Use

This product is primarily used for monitoring and controlling the charging and discharging processes of rechargeable batteries. It ensures optimal performance, safety, and longevity of the battery.

Characteristics

  • Integrated circuit designed for battery management
  • Monitors and controls charging and discharging processes
  • Ensures optimal battery performance, safety, and longevity

Package

BQ27750DRZT comes in a small form factor package, typically a 10-pin VSON (Very Small Outline No-Lead) package. This package offers compactness and ease of integration into various electronic devices.

Essence

The essence of BQ27750DRZT lies in its ability to accurately monitor battery parameters, such as voltage, current, temperature, and state of charge. It also provides protection features like overvoltage and overcurrent protection.

Packaging/Quantity

BQ27750DRZT is commonly available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 4.8V
  • Operating Temperature Range: -40°C to +85°C
  • Battery Capacity Measurement Resolution: 1μAh
  • Communication Interface: I2C
  • Dimensions: 3mm x 3mm

Detailed Pin Configuration

  1. VSS - Ground
  2. SDA - I2C Serial Data
  3. SCL - I2C Serial Clock
  4. ALERT - Interrupt Output
  5. TS - Thermistor Input
  6. BAT - Battery Voltage Sense
  7. SRP - System Reset Output
  8. SRN - System Reset Input
  9. VDD - Power Supply
  10. VSS - Ground

Functional Features

  • Accurate battery voltage, current, temperature, and state of charge monitoring
  • Overvoltage and overcurrent protection
  • Battery capacity measurement with high resolution
  • I2C communication interface for easy integration with microcontrollers
  • System reset functionality for safe operation

Advantages and Disadvantages

Advantages

  • Precise monitoring ensures optimal battery performance and longevity
  • Protection features safeguard the battery and connected devices
  • High-resolution capacity measurement enables accurate battery life estimation
  • Compact package allows for easy integration into various electronic devices

Disadvantages

  • Limited to I2C communication interface, may not be compatible with all systems
  • Operating temperature range may restrict usage in extreme environments

Working Principles

BQ27750DRZT operates by continuously monitoring the battery's voltage, current, and temperature using internal sensing circuits. It communicates this information to the host system through the I2C interface. The integrated protection circuitry ensures that the battery remains within safe operating limits by triggering appropriate actions, such as disconnecting the load or stopping the charging process.

Detailed Application Field Plans

BQ27750DRZT finds applications in a wide range of battery-powered devices, including: - Smartphones and tablets - Laptops and notebooks - Portable medical devices - Wearable electronics - Electric vehicles

Detailed and Complete Alternative Models

  1. BQ27741DRZT: Similar functionality but with a lower input voltage range (2.3V to 4.8V).
  2. BQ27742DRZT: Higher input voltage range (2.5V to 5.5V) and additional features like fuel gauge calibration.

In conclusion, BQ27750DRZT is an integrated circuit designed for battery management, offering precise monitoring, protection features, and high-resolution capacity measurement. Its compact package and versatile applications make it a valuable component in various battery-powered devices.

Word count: 540 words

Énumérez 10 questions et réponses courantes liées à l'application de BQ27750DRZT dans les solutions techniques

Sure! Here are 10 common questions and answers related to the application of BQ27750DRZT in technical solutions:

  1. Q: What is the BQ27750DRZT? A: The BQ27750DRZT is a fuel gauge and protector for single-cell Li-Ion or Li-Polymer batteries.

  2. Q: What is the maximum voltage range supported by BQ27750DRZT? A: The BQ27750DRZT supports a maximum voltage range of 2.5V to 4.8V.

  3. Q: Can I use BQ27750DRZT with multiple cells in series? A: No, the BQ27750DRZT is designed for single-cell battery applications only.

  4. Q: How accurate is the fuel gauge measurement provided by BQ27750DRZT? A: The BQ27750DRZT provides highly accurate fuel gauge measurements with less than 1% error.

  5. Q: Does BQ27750DRZT support temperature monitoring? A: Yes, the BQ27750DRZT has an integrated temperature sensor for accurate temperature monitoring.

  6. Q: Can BQ27750DRZT be used in portable devices like smartphones or tablets? A: Yes, BQ27750DRZT is suitable for various portable devices that use single-cell Li-Ion or Li-Polymer batteries.

  7. Q: Does BQ27750DRZT have built-in protection features for overcharging or over-discharging? A: Yes, BQ27750DRZT includes built-in protection features to prevent overcharging and over-discharging of the battery.

  8. Q: Is BQ27750DRZT compatible with different battery chemistries? A: No, BQ27750DRZT is specifically designed for Li-Ion and Li-Polymer batteries and may not be compatible with other chemistries.

  9. Q: Can BQ27750DRZT communicate with a microcontroller or host system? A: Yes, BQ27750DRZT supports I2C communication interface to communicate with a microcontroller or host system.

  10. Q: What are the typical applications of BQ27750DRZT? A: BQ27750DRZT is commonly used in applications such as smartphones, tablets, portable medical devices, and other portable electronics that use single-cell Li-Ion or Li-Polymer batteries.

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