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BQ20Z90DBTR-V110G4
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BQ20Z90DBTR-V110G4

Product Overview

Category

The BQ20Z90DBTR-V110G4 belongs to the category of integrated circuits (ICs) specifically designed for battery management systems.

Use

This product is primarily used in applications where accurate monitoring and control of battery parameters are essential, such as in portable electronic devices, electric vehicles, and renewable energy systems.

Characteristics

  • Integrated circuit for battery management
  • Accurate measurement of battery voltage, current, and temperature
  • Real-time monitoring of battery state-of-charge (SOC) and state-of-health (SOH)
  • Protection features against overcharging, over-discharging, and short-circuiting
  • Communication interface for data exchange with external systems

Package

The BQ20Z90DBTR-V110G4 is available in a small form factor package, typically a thin quad flat no-leads (QFN) package. This package ensures efficient heat dissipation and ease of integration into various electronic systems.

Essence

The essence of the BQ20Z90DBTR-V110G4 lies in its ability to accurately measure and monitor battery parameters, ensuring optimal performance and safety of the battery system.

Packaging/Quantity

This product is typically supplied in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the supplier and customer requirements.

Specifications

  • Operating Voltage: 2.7V to 4.5V
  • Temperature Range: -40°C to +85°C
  • Communication Interface: I2C or SMBus
  • Battery Capacity Measurement Range: Up to 1000mAh
  • Accuracy:
    • Voltage Measurement: ±10mV
    • Current Measurement: ±50mA
    • Temperature Measurement: ±1°C

Detailed Pin Configuration

The BQ20Z90DBTR-V110G4 has a specific pin configuration that enables its functionality. The following table provides a detailed overview of the pin assignments:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 1 | VSS | Ground | | 2 | SDA | I2C Data | | 3 | SCL | I2C Clock| | 4 | ALERT | Alert Output | | 5 | VDD | Power Supply | | 6 | TS | Temperature Sense | | 7 | BAT | Battery Voltage | | 8 | PACK | Pack Voltage | | 9 | SRP | System Reset | | 10 | SDAI | I2C Slave Address Input | | 11 | SCLI | I2C Slave Address Input | | 12 | THERM | Thermistor Input |

Functional Features

The BQ20Z90DBTR-V110G4 offers several functional features that enhance battery management capabilities:

  • Accurate measurement and monitoring of battery voltage, current, and temperature
  • Real-time calculation of battery state-of-charge (SOC) and state-of-health (SOH)
  • Protection against overcharging, over-discharging, and short-circuiting
  • Communication interface for data exchange with external systems
  • Low-power consumption for efficient battery operation
  • Built-in memory for storing battery-related information

Advantages and Disadvantages

Advantages

  • Accurate and reliable battery parameter measurement
  • Comprehensive protection features ensure battery safety
  • Efficient communication interface for seamless integration with external systems
  • Compact form factor allows for easy integration into various applications
  • Low-power consumption prolongs battery life

Disadvantages

  • Limited battery capacity measurement range (up to 1000mAh)
  • Requires additional external components for complete battery management system implementation
  • Relatively higher cost compared to simpler battery management solutions

Working Principles

The BQ20Z90DBTR-V110G4 operates based on the principles of voltage, current, and temperature measurement. It utilizes internal algorithms to calculate the battery's state-of-charge (SOC) and state-of-health (SOH) based on these measurements. The IC also incorporates protection mechanisms to prevent overcharging, over-discharging, and short-circuiting, ensuring safe battery operation.

Detailed Application Field Plans

The BQ20Z90DBTR-V110G4 finds extensive application in various fields, including:

  1. Portable Electronic Devices:

    • Smartphones
    • Tablets
    • Laptops
    • Wearable devices

  2. Electric Vehicles:

    • Battery electric vehicles (BEVs)
    • Hybrid electric vehicles (HEVs)
    • Plug-in hybrid electric vehicles (PHEVs)

  3. Renewable Energy Systems:

    • Solar power systems
    • Wind power systems
    • Energy storage systems

  4. Industrial Equipment:

技術ソリューションにおける BQ20Z90DBTR-V110G4 の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of BQ20Z90DBTR-V110G4 in technical solutions:

  1. Question: What is the BQ20Z90DBTR-V110G4?
    Answer: The BQ20Z90DBTR-V110G4 is a battery fuel gauge and protection IC designed for use in portable electronic devices.

  2. Question: What is the purpose of the BQ20Z90DBTR-V110G4?
    Answer: The purpose of this IC is to accurately measure the remaining capacity of a battery and provide information about its state of charge.

  3. Question: What types of batteries can be used with the BQ20Z90DBTR-V110G4?
    Answer: This IC is compatible with lithium-ion (Li-Ion) and lithium-polymer (Li-Po) batteries.

  4. Question: How does the BQ20Z90DBTR-V110G4 measure battery capacity?
    Answer: It uses an integrated coulomb counter to measure the amount of charge flowing in and out of the battery.

  5. Question: Can the BQ20Z90DBTR-V110G4 protect the battery from overcharging or over-discharging?
    Answer: Yes, it has built-in protection features to prevent overcharging, over-discharging, and short circuits.

  6. Question: How accurate is the BQ20Z90DBTR-V110G4 in measuring battery capacity?
    Answer: It has a high level of accuracy, typically within ±1% of the true capacity.

  7. Question: Does the BQ20Z90DBTR-V110G4 support communication protocols?
    Answer: Yes, it supports I2C communication protocol for easy integration into various systems.

  8. Question: Can the BQ20Z90DBTR-V110G4 provide real-time battery information?
    Answer: Yes, it can provide real-time data such as voltage, current, temperature, and remaining capacity.

  9. Question: Is the BQ20Z90DBTR-V110G4 suitable for low-power applications?
    Answer: Yes, it has a low quiescent current and is designed to minimize power consumption.

  10. Question: Are there any evaluation tools available for the BQ20Z90DBTR-V110G4?
    Answer: Yes, Texas Instruments provides evaluation modules and software tools to assist in the development and testing of solutions using this IC.

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