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BQ27505YZGR-J3
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BQ27505YZGR-J3

Product Overview

Category

The BQ27505YZGR-J3 belongs to the category of integrated circuits (ICs).

Use

This IC is primarily used for battery fuel gauge applications.

Characteristics

  • Package: The BQ27505YZGR-J3 comes in a small 20-pin VQFN package.
  • Essence: It provides accurate monitoring and reporting of battery capacity, voltage, and temperature.
  • Packaging/Quantity: The BQ27505YZGR-J3 is typically sold in reels with a quantity of 2500 units per reel.

Specifications

The specifications of the BQ27505YZGR-J3 include:

  • Operating Voltage Range: 2.4V to 3.6V
  • Battery Capacity Measurement Range: 0mAh to 65535mAh
  • Temperature Measurement Range: -40°C to +85°C
  • Communication Interface: I2C

Detailed Pin Configuration

The BQ27505YZGR-J3 has a total of 20 pins. Here is the detailed pin configuration:

  1. VSS - Ground
  2. SDA - I2C Data Line
  3. SCL - I2C Clock Line
  4. VDD - Power Supply
  5. TS - Temperature Sense Input
  6. BAT - Battery Voltage Sense Input
  7. SRP - System Reset Output
  8. HDQ - HDQ Serial Interface
  9. DSG - Discharge FET Drive Output
  10. DSGND - Discharge FET Drive Return
  11. PACK+ - Positive Terminal of External Pack
  12. PACK- - Negative Terminal of External Pack
  13. VSS - Ground
  14. VSS - Ground
  15. VSS - Ground
  16. VSS - Ground
  17. VSS - Ground
  18. VSS - Ground
  19. VSS - Ground
  20. VDD - Power Supply

Functional Features

The BQ27505YZGR-J3 offers the following functional features:

  • Accurate battery capacity monitoring and reporting
  • Real-time voltage and temperature measurements
  • Integrated protection against overcharging and over-discharging
  • Support for external pack configurations
  • Low power consumption

Advantages and Disadvantages

Advantages: - Accurate monitoring of battery capacity - Integrated protection features - Flexible external pack configurations

Disadvantages: - Limited operating voltage range - Requires I2C communication interface

Working Principles

The BQ27505YZGR-J3 works by continuously monitoring the battery voltage, current, and temperature to accurately estimate the remaining capacity. It uses sophisticated algorithms to compensate for battery aging and self-discharge, providing reliable capacity information.

Detailed Application Field Plans

The BQ27505YZGR-J3 is widely used in various applications, including: - Portable electronic devices - Medical equipment - Industrial automation - Electric vehicles

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the BQ27505YZGR-J3 include: - BQ27441-G1 - MAX17043G+T - LTC2943IDD#PBF - DS2784G+

These alternative models can be considered based on specific requirements and compatibility with the application.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de BQ27505YZGR-J3 en soluciones técnicas

Sure! Here are 10 common questions and answers related to the application of BQ27505YZGR-J3 in technical solutions:

  1. Q: What is the BQ27505YZGR-J3? A: The BQ27505YZGR-J3 is a fuel gauge integrated circuit (IC) designed for accurately measuring battery capacity in various applications.

  2. Q: What are the key features of the BQ27505YZGR-J3? A: Some key features include accurate voltage, current, temperature measurement, support for multiple battery chemistries, programmable capacity estimation, and communication interfaces like I2C.

  3. Q: How does the BQ27505YZGR-J3 measure battery capacity? A: The IC uses a combination of voltage, current, and temperature measurements to estimate the remaining battery capacity.

  4. Q: Can the BQ27505YZGR-J3 be used with different battery chemistries? A: Yes, the BQ27505YZGR-J3 supports multiple battery chemistries, including lithium-ion, lithium-polymer, and more.

  5. Q: What is the accuracy of the BQ27505YZGR-J3's capacity estimation? A: The BQ27505YZGR-J3 provides accurate capacity estimation with typical errors of less than 1%.

  6. Q: Does the BQ27505YZGR-J3 have any built-in protection features? A: Yes, the IC includes built-in protection features like overvoltage protection, undervoltage protection, and overcurrent protection.

  7. Q: Can the BQ27505YZGR-J3 communicate with a microcontroller or host system? A: Yes, the BQ27505YZGR-J3 has an I2C interface that allows communication with a microcontroller or host system.

  8. Q: What is the operating voltage range of the BQ27505YZGR-J3? A: The IC operates within a voltage range of 2.7V to 4.5V.

  9. Q: Can the BQ27505YZGR-J3 be used in portable devices like smartphones or tablets? A: Yes, the BQ27505YZGR-J3 is suitable for use in various portable devices that require accurate battery capacity measurement.

  10. Q: Are there any evaluation modules or development tools available for the BQ27505YZGR-J3? A: Yes, Texas Instruments provides evaluation modules and software tools to aid in the development and testing of applications using the BQ27505YZGR-J3.

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