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BQ27350PW
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BQ27350PW

Product Overview

Category

BQ27350PW 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 performance of rechargeable batteries in various applications, such as portable electronic devices, electric vehicles, and renewable energy systems.

Characteristics

  • High accuracy battery fuel gauge
  • Integrated protection features
  • Low power consumption
  • Compact size
  • Wide operating temperature range

Package

The BQ27350PW is available in a small outline package (SOP) with 16 pins. The package is designed to ensure easy integration into circuit boards and provides reliable electrical connections.

Essence

The essence of BQ27350PW lies in its ability to accurately measure the state of charge (SOC) and other important parameters of a battery, ensuring optimal performance and safety.

Packaging/Quantity

The BQ27350PW is typically packaged in reels or tubes, containing a specific quantity of ICs per package. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Operating Voltage: 2.7V to 4.5V
  • Battery Capacity Range: 100mAh to 10,000mAh
  • Communication Interface: I2C
  • Temperature Measurement Range: -40°C to +85°C
  • Accuracy: ±1% SOC
  • Protection Features: Overvoltage, undervoltage, overcurrent, short circuit

Detailed Pin Configuration

The BQ27350PW has 16 pins, each serving a specific function. The pin configuration is as follows:

  1. VSS - Ground
  2. SDA - I2C Serial Data
  3. SCL - I2C Serial Clock
  4. TS - Temperature Sense
  5. BAT - Battery Voltage Sense
  6. VDD - Power Supply
  7. VSS - Ground
  8. GPOUT - General Purpose Output
  9. VSS - Ground
  10. VSS - Ground
  11. VSS - Ground
  12. VSS - Ground
  13. VSS - Ground
  14. VSS - Ground
  15. VSS - Ground
  16. VDD - Power Supply

Functional Features

  • Accurate measurement of battery SOC, voltage, and temperature
  • Real-time monitoring of battery health and performance
  • Integrated protection against overvoltage, undervoltage, overcurrent, and short circuit
  • Low power consumption for extended battery life
  • Configurable settings for different battery chemistries and capacities
  • I2C communication interface for easy integration with microcontrollers

Advantages and Disadvantages

Advantages

  • High accuracy in measuring battery SOC
  • Comprehensive protection features enhance battery safety
  • Compact size allows for easy integration into various devices
  • Wide operating temperature range enables usage in extreme environments
  • Low power consumption prolongs battery life

Disadvantages

  • Limited compatibility with certain battery chemistries or capacities
  • Requires proper calibration for optimal performance
  • Relatively higher cost compared to simpler battery management solutions

Working Principles

The BQ27350PW utilizes advanced algorithms and sensing techniques to accurately measure the state of charge (SOC) of a battery. It continuously monitors the battery voltage, current, and temperature to estimate the remaining capacity. The IC also incorporates protection features to prevent overcharging, overdischarging, and other potentially harmful conditions.

Detailed Application Field Plans

The BQ27350PW finds applications in various fields, including:

  1. Portable Electronic Devices: Enables accurate battery monitoring and optimization in smartphones, tablets, wearables, and other portable gadgets.
  2. Electric Vehicles: Facilitates precise monitoring of battery performance and health in electric cars, ensuring efficient utilization and extending battery life.
  3. Renewable Energy Systems: Provides reliable battery management in solar power systems, wind energy storage, and other renewable energy applications.

Detailed and Complete Alternative Models

  1. BQ27441-G1: Similar to BQ27350PW with additional features like coulomb counting and impedance tracking.
  2. MAX17043G+: Offers similar functionality with enhanced accuracy and extended temperature range.
  3. LTC2945: Provides comprehensive battery monitoring capabilities along with an integrated Coulomb counter.

These alternative models offer similar functionalities to the BQ27350PW while catering to specific requirements or preferences of different users.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BQ27350PW v technických řešeních

Sure! Here are 10 common questions and answers related to the application of BQ27350PW in technical solutions:

  1. Q: What is the BQ27350PW? A: The BQ27350PW is a fuel gauge integrated circuit (IC) designed for battery-powered applications.

  2. Q: What is the purpose of the BQ27350PW? A: The BQ27350PW is used to accurately measure and monitor the state of charge (SOC) and remaining capacity of a battery.

  3. Q: What type of batteries is the BQ27350PW compatible with? A: The BQ27350PW is compatible with single-cell lithium-ion (Li-ion) or lithium-polymer (LiPo) batteries.

  4. Q: How does the BQ27350PW communicate with the host system? A: The BQ27350PW communicates with the host system using an I2C interface.

  5. Q: Can the BQ27350PW be used in portable electronic devices? A: Yes, the BQ27350PW is commonly used in portable electronic devices such as smartphones, tablets, and wearables.

  6. Q: Does the BQ27350PW provide accurate battery capacity estimation? A: Yes, the BQ27350PW uses advanced algorithms to provide accurate battery capacity estimation even under varying conditions.

  7. Q: Can the BQ27350PW protect the battery from overcharging or over-discharging? A: Yes, the BQ27350PW includes built-in protection features to prevent overcharging and over-discharging of the battery.

  8. Q: Is the BQ27350PW easy to integrate into existing designs? A: Yes, the BQ27350PW comes in a small form factor and is designed for easy integration into existing electronic designs.

  9. Q: Can the BQ27350PW be used in automotive applications? A: Yes, the BQ27350PW can be used in automotive applications that require accurate battery monitoring and management.

  10. Q: Are there any evaluation tools or software available for the BQ27350PW? A: Yes, Texas Instruments provides evaluation modules and software development kits to assist with the integration and testing of the BQ27350PW in technical solutions.

Please note that these answers are general and may vary depending on specific application requirements and design considerations.