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BQ27750DRZR
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BQ27750DRZR

Product Overview

Category

BQ27750DRZR belongs to the category of battery fuel gauges.

Use

This product is primarily used for accurately measuring and monitoring the remaining capacity of rechargeable batteries.

Characteristics

  • Accurate capacity measurement
  • Real-time monitoring
  • Low power consumption
  • Compact size

Package

The BQ27750DRZR comes in a small, surface-mount package.

Essence

The essence of this product lies in its ability to provide accurate and reliable information about the remaining capacity of rechargeable batteries.

Packaging/Quantity

The BQ27750DRZR is typically packaged in reels and is available in large quantities.

Specifications

  • Input voltage range: 2.5V - 4.8V
  • Operating temperature range: -40°C to +85°C
  • Communication interface: I2C
  • Battery capacity measurement accuracy: ±1%
  • Standby current: <10µA

Detailed Pin Configuration

The BQ27750DRZR has the following pin configuration:

  1. VSS - Ground
  2. SDA - I2C data line
  3. SCL - I2C clock line
  4. ALERT - Interrupt output
  5. BAT - Battery voltage input
  6. TS - Temperature sense input

Functional Features

  • Accurate capacity measurement: The BQ27750DRZR utilizes advanced algorithms to accurately measure the remaining capacity of batteries.
  • Real-time monitoring: It provides real-time information about the battery's state of charge, allowing users to make informed decisions.
  • Low power consumption: The device itself consumes very little power, ensuring minimal impact on battery life.
  • Compact size: The small form factor of the BQ27750DRZR makes it suitable for integration into various portable devices.

Advantages and Disadvantages

Advantages

  • Accurate capacity measurement ensures reliable battery performance.
  • Real-time monitoring allows for better battery management.
  • Low power consumption minimizes the impact on battery life.
  • Compact size enables easy integration into portable devices.

Disadvantages

  • Limited compatibility with certain battery chemistries.
  • Requires I2C communication interface support in the host device.

Working Principles

The BQ27750DRZR works by continuously monitoring the battery voltage and current, along with temperature measurements. It utilizes sophisticated algorithms to calculate the remaining capacity based on these parameters. The device communicates this information to the host device through the I2C interface.

Detailed Application Field Plans

The BQ27750DRZR is widely used in various applications, including: - Smartphones and tablets - Laptops and notebooks - Portable medical devices - Wearable devices - Power banks

Detailed and Complete Alternative Models

Some alternative models to the BQ27750DRZR include: - BQ27541-G1 - MAX17043G+ - LTC2943CMS#PBF - DS2784G+

These models offer similar functionality and can be considered as alternatives depending on specific requirements.

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10個與BQ27750DRZR在技術方案中應用相關的常見問題與解答

Sure! Here are 10 common questions and answers related to the application of BQ27750DRZR in technical solutions:

  1. Q: What is the BQ27750DRZR? A: The BQ27750DRZR is a fuel gauge and protector IC (Integrated Circuit) designed for use in battery-powered applications.

  2. Q: What is the purpose of the BQ27750DRZR? A: The BQ27750DRZR is used to accurately measure and monitor the state of charge, voltage, and temperature of a battery, ensuring optimal performance and safety.

  3. Q: What types of batteries can the BQ27750DRZR be used with? A: The BQ27750DRZR is compatible with various types of rechargeable lithium-ion (Li-Ion) and lithium-polymer (Li-Po) batteries.

  4. Q: How does the BQ27750DRZR communicate with the host system? A: The BQ27750DRZR uses an I2C interface to communicate with the host microcontroller or system.

  5. Q: Can the BQ27750DRZR support multi-cell battery packs? A: Yes, the BQ27750DRZR can support single-cell as well as multi-cell battery packs by using external cell balancing circuitry.

  6. Q: Does the BQ27750DRZR provide accurate battery capacity estimation? A: Yes, the BQ27750DRZR utilizes advanced algorithms to provide accurate capacity estimation, taking into account factors like temperature and aging.

  7. Q: Can the BQ27750DRZR protect the battery from overcharging and over-discharging? A: Yes, the BQ27750DRZR includes built-in protection features to prevent overcharging, over-discharging, and excessive current draw.

  8. Q: Is the BQ27750DRZR suitable for portable electronic devices? A: Yes, the BQ27750DRZR is commonly used in portable electronic devices like smartphones, tablets, laptops, and wearable devices.

  9. Q: Does the BQ27750DRZR support battery authentication? A: Yes, the BQ27750DRZR includes features for battery authentication, ensuring that only genuine batteries are used.

  10. Q: Are there any evaluation tools or development kits available for the BQ27750DRZR? A: Yes, Texas Instruments provides evaluation modules and software development kits to help engineers evaluate and integrate the BQ27750DRZR into their designs.

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