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BQ20Z75DBTR-V160G4
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BQ20Z75DBTR-V160G4

Overview

Product Category: Integrated Circuit (IC)

Use: Battery Fuel Gauge

Characteristics: - Measures and reports battery capacity - Monitors battery health and predicts remaining runtime - Provides accurate information for battery management systems

Package: DBT (Thin Shrink Small Outline Package)

Essence: The BQ20Z75DBTR-V160G4 is a highly integrated IC designed for accurately measuring and reporting battery capacity in various applications.

Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

The BQ20Z75DBTR-V160G4 has the following specifications:

  • Operating Voltage Range: 2.7V to 4.8V
  • Temperature Range: -40°C to +85°C
  • Communication Interface: I2C
  • Battery Capacity Measurement Resolution: 1 mAh
  • Cell Voltage Measurement Resolution: 1 mV
  • Current Measurement Resolution: 50 µA
  • Gas Gauge Accuracy: ±1%
  • Standby Current: 10 µA (typical)
  • Sleep Mode Current: 2 µA (typical)

Pin Configuration

The BQ20Z75DBTR-V160G4 has a total of 16 pins. Here is the detailed pin configuration:

  1. VSS - Ground
  2. SDA - I2C Data Line
  3. SCL - I2C Clock Line
  4. TS1 - Temperature Sense Input 1
  5. TS2 - Temperature Sense Input 2
  6. BAT - Battery Voltage Sense Input
  7. SRP - System Reset Output
  8. SRN - System Reset Input
  9. VDD - Power Supply
  10. DSG - Discharge FET Control Output
  11. DSGND - Discharge FET Control Ground
  12. DSGND - Discharge FET Control Ground
  13. PACK+ - Positive Terminal of Battery Pack
  14. PACK- - Negative Terminal of Battery Pack
  15. TS3 - Temperature Sense Input 3
  16. VSS - Ground

Functional Features

The BQ20Z75DBTR-V160G4 offers the following functional features:

  1. Accurate Battery Capacity Measurement: The IC accurately measures and reports the remaining battery capacity, allowing for precise monitoring of battery health.

  2. Predictive Battery Runtime: By analyzing the battery's discharge characteristics, the IC can predict the remaining runtime, enabling better planning and management of battery-powered devices.

  3. Battery Management System Integration: The IC provides essential information for battery management systems, allowing for efficient utilization and optimization of battery resources.

Advantages and Disadvantages

Advantages: - High accuracy in measuring battery capacity - Predictive runtime estimation enhances user experience - Integration with battery management systems improves efficiency

Disadvantages: - Limited temperature range (-40°C to +85°C) - Requires I2C communication interface support

Working Principles

The BQ20Z75DBTR-V160G4 works by continuously monitoring the battery voltage, current, and temperature. It uses sophisticated algorithms to calculate the remaining battery capacity based on these measurements. The IC communicates this information to the host system through the I2C interface, allowing for real-time monitoring and control.

Application Field Plans

The BQ20Z75DBTR-V160G4 is widely used in various applications, including:

  1. Portable Electronic Devices: Enables accurate battery capacity reporting and runtime prediction in smartphones, tablets, laptops, and other portable devices.

  2. Electric Vehicles: Provides essential battery management information for electric vehicle battery packs, ensuring optimal performance and longevity.

  3. Energy Storage Systems: Monitors and manages battery capacity in renewable energy storage systems, maximizing efficiency and reliability.

  4. Medical Devices: Enables precise monitoring of battery health and runtime estimation in medical devices, ensuring uninterrupted operation during critical procedures.

Alternative Models

Here are some alternative models that offer similar functionality:

  1. BQ34Z100-G1: A highly accurate fuel gauge IC with advanced features for battery management applications.
  2. MAX17055: Integrated fuel gauge IC with high accuracy and low power consumption for portable devices.
  3. LTC2943: Battery gas gauge IC with I2C interface and precision measurement capabilities.

These alternative models can be considered based on specific application requirements and design constraints.

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10 domande e risposte comuni relative all'applicazione di BQ20Z75DBTR-V160G4 nelle soluzioni tecniche

Sure! Here are 10 common questions and answers related to the application of BQ20Z75DBTR-V160G4 in technical solutions:

  1. Question: What is the BQ20Z75DBTR-V160G4?
    Answer: The BQ20Z75DBTR-V160G4 is a battery fuel gauge and protection IC designed for use in portable electronic devices.

  2. Question: What is the purpose of the BQ20Z75DBTR-V160G4?
    Answer: The BQ20Z75DBTR-V160G4 accurately measures the battery's remaining capacity, provides information about its state of charge, and protects it from overcharging or discharging.

  3. Question: What types of devices can the BQ20Z75DBTR-V160G4 be used in?
    Answer: The BQ20Z75DBTR-V160G4 can be used in a wide range of portable electronic devices such as smartphones, tablets, laptops, and wearable devices.

  4. Question: How does the BQ20Z75DBTR-V160G4 measure battery capacity?
    Answer: The BQ20Z75DBTR-V160G4 uses an advanced algorithm that takes into account various factors such as voltage, current, temperature, and battery aging to estimate the remaining capacity.

  5. Question: Can the BQ20Z75DBTR-V160G4 communicate with a microcontroller?
    Answer: Yes, the BQ20Z75DBTR-V160G4 supports communication protocols like I2C and SMBus, allowing it to interface with a microcontroller or host system.

  6. Question: Does the BQ20Z75DBTR-V160G4 provide any safety features?
    Answer: Yes, the BQ20Z75DBTR-V160G4 includes built-in protection features such as overvoltage, undervoltage, and overcurrent protection to ensure safe operation of the battery.

  7. Question: Can the BQ20Z75DBTR-V160G4 be used with different types of batteries?
    Answer: Yes, the BQ20Z75DBTR-V160G4 is compatible with various types of lithium-ion and lithium-polymer batteries, making it versatile for different applications.

  8. Question: How accurate is the battery capacity estimation provided by the BQ20Z75DBTR-V160G4?
    Answer: The accuracy of the battery capacity estimation depends on various factors, but the BQ20Z75DBTR-V160G4 is designed to provide reliable and consistent capacity readings.

  9. Question: Can the BQ20Z75DBTR-V160G4 be customized for specific application requirements?
    Answer: Yes, the BQ20Z75DBTR-V160G4 offers programmable settings and registers that can be configured to meet specific application needs.

  10. Question: Are there any evaluation tools or development kits available for the BQ20Z75DBTR-V160G4?
    Answer: Yes, Texas Instruments provides evaluation modules and software development kits that can help developers quickly prototype and integrate the BQ20Z75DBTR-V160G4 into their designs.

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