Texas Instruments
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BQ4802LYPW
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BQ4802LYPW

Product Overview

Category

The BQ4802LYPW belongs to the category of integrated circuits (ICs) and specifically falls under the family of battery management.

Use

This product is used for managing and monitoring battery charging and discharging in various electronic devices, including portable electronics, power tools, and electric vehicles.

Characteristics

  • The BQ4802LYPW features high accuracy in voltage and current measurements.
  • It offers advanced protection features to ensure safe and efficient battery operation.
  • The product is designed for low power consumption, making it suitable for energy-efficient applications.

Package

The BQ4802LYPW is available in a small outline package (SOP) with a specified pin configuration.

Essence

The essence of this product lies in its ability to accurately monitor and manage battery performance, ensuring safety and efficiency in various applications.

Packaging/Quantity

The BQ4802LYPW is typically supplied in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input Voltage Range: 3V to 18V
  • Operating Temperature Range: -40°C to 85°C
  • Number of Cells Supported: 1 to 4 series cells
  • Communication Interface: I2C

Detailed Pin Configuration

The detailed pin configuration of the BQ4802LYPW includes input/output pins for voltage and current sensing, communication interface pins, and control pins for setting operational parameters.

Functional Features

  • Accurate voltage and current measurement
  • Overvoltage and undervoltage protection
  • Overcurrent protection
  • Temperature monitoring
  • Communication interface for data exchange

Advantages and Disadvantages

Advantages

  • High accuracy in battery monitoring
  • Advanced protection features
  • Low power consumption
  • Compact package size

Disadvantages

  • Limited support for a specific number of series cells
  • Requires an external microcontroller for full system integration

Working Principles

The BQ4802LYPW operates by continuously monitoring the voltage, current, and temperature of the connected battery. It utilizes its internal circuitry to provide accurate measurements and trigger protection mechanisms when necessary.

Detailed Application Field Plans

The BQ4802LYPW is suitable for a wide range of applications, including: - Portable electronics such as smartphones and tablets - Power tools and cordless devices - Electric vehicles and hybrid electric vehicles - Energy storage systems

Detailed and Complete Alternative Models

Some alternative models to the BQ4802LYPW include: - BQ76930: Multi-cell battery monitor and protector - LTC6803: Battery stack monitor - MAX14921: Battery management IC with integrated protector

In conclusion, the BQ4802LYPW is a versatile battery management IC with advanced features for accurate monitoring and protection. Its compact size and low power consumption make it suitable for various battery-powered applications.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BQ4802LYPW v technických řešeních

  1. What is BQ4802LYPW?

    • BQ4802LYPW is a precision integrated circuit for monitoring and controlling the charge and discharge of rechargeable batteries.

  2. What is the typical application of BQ4802LYPW?

    • The typical application of BQ4802LYPW includes battery management in portable devices, power tools, and other electronic systems.

  3. What is the input voltage range for BQ4802LYPW?

    • The input voltage range for BQ4802LYPW is typically between 2.7V to 18V.

  4. What are the key features of BQ4802LYPW?

    • Some key features of BQ4802LYPW include precision voltage and current regulation, temperature monitoring, and communication interfaces for data exchange.

  5. How does BQ4802LYPW help in battery management?

    • BQ4802LYPW helps in battery management by providing accurate monitoring of battery parameters such as voltage, current, and temperature, and by enabling precise control of charging and discharging processes.

  6. Can BQ4802LYPW be used in automotive applications?

    • Yes, BQ4802LYPW can be used in automotive applications for managing the battery system in electric vehicles and hybrid vehicles.

  7. What communication interfaces does BQ4802LYPW support?

    • BQ4802LYPW supports communication interfaces such as I2C and SMBus for data exchange with microcontrollers or host systems.

  8. What are the typical protection features of BQ4802LYPW?

    • Typical protection features of BQ4802LYPW include overvoltage protection, overcurrent protection, and thermal shutdown to ensure safe operation of the battery system.

  9. Is BQ4802LYPW suitable for low-power applications?

    • Yes, BQ4802LYPW is suitable for low-power applications due to its low quiescent current and power-saving modes.

  10. Where can I find the detailed datasheet and application notes for BQ4802LYPW?

    • The detailed datasheet and application notes for BQ4802LYPW can be found on the manufacturer's website or through authorized distributors.