Texas Instruments
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BQ24080DRCTG4
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BQ24080DRCTG4

Product Overview

Category

BQ24080DRCTG4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for battery charging applications in various electronic devices.

Characteristics

  • Integrated circuit designed for battery charging
  • High efficiency and low power dissipation
  • Compact size and lightweight
  • Wide input voltage range
  • Multiple protection features for safe charging

Package

BQ24080DRCTG4 is available in a small outline package (SOP) with 10 pins.

Essence

The essence of BQ24080DRCTG4 lies in its ability to efficiently charge batteries while ensuring safety and reliability.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of BQ24080DRCTG4 ICs.

Specifications

  • Input Voltage Range: 4.35V - 6.45V
  • Output Voltage Range: 3.5V - 4.4V
  • Charging Current: Up to 1.5A
  • Operating Temperature Range: -40°C to +85°C
  • Number of Pins: 10
  • Package Type: SOP

Detailed Pin Configuration

  1. VBUS: Input voltage pin for the charger.
  2. PG: Power good output indicating the charging status.
  3. STAT: Status output pin providing information about charging progress.
  4. TS: Thermal shutdown pin for over-temperature protection.
  5. EN: Enable pin to control the charging operation.
  6. ISET: Pin to set the charging current limit.
  7. GND: Ground reference pin.
  8. BAT: Battery connection pin.
  9. SYS: System connection pin.
  10. VSS: Negative supply pin.

Functional Features

  • Constant current and constant voltage charging modes
  • Thermal regulation for temperature control
  • Charge termination based on battery voltage and current thresholds
  • Reverse current protection to prevent discharge from the battery
  • Overvoltage and overcurrent protection for safe charging

Advantages and Disadvantages

Advantages

  • High charging efficiency
  • Compact size suitable for portable devices
  • Wide input voltage range allows compatibility with various power sources
  • Multiple protection features ensure safe charging

Disadvantages

  • Limited charging current compared to some other models
  • May require additional external components for certain applications

Working Principles

BQ24080DRCTG4 operates by regulating the charging current and voltage to charge batteries efficiently. It employs a constant current mode initially to rapidly charge the battery until a predefined voltage threshold is reached. Then, it switches to constant voltage mode to maintain a steady voltage while reducing the charging current. The charger continuously monitors the battery status and adjusts the charging parameters accordingly.

Detailed Application Field Plans

BQ24080DRCTG4 finds applications in various electronic devices requiring battery charging capabilities. Some potential application fields include: 1. Smartphones and tablets 2. Portable media players 3. Wearable devices 4. Wireless headphones 5. IoT devices

Detailed and Complete Alternative Models

  1. BQ24075RGTR: Similar functionality with a different package type (QFN).
  2. BQ24081DRCT: Higher charging current capability (up to 2A) with similar specifications.
  3. BQ24090DGQR: Integrated USB OTG functionality along with battery charging capabilities.

These alternative models offer similar features and can be considered as alternatives to BQ24080DRCTG4 based on specific requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BQ24080DRCTG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of BQ24080DRCTG4 in technical solutions:

  1. Q: What is the BQ24080DRCTG4? A: The BQ24080DRCTG4 is a highly integrated single-cell Li-Ion battery charger IC with power path management.

  2. Q: What is power path management? A: Power path management allows simultaneous charging of the battery and powering the system from a USB port or an external supply.

  3. Q: What is the input voltage range for the BQ24080DRCTG4? A: The input voltage range is typically between 4.35V and 6.45V, making it suitable for various power sources.

  4. Q: Can the BQ24080DRCTG4 charge multiple types of batteries? A: No, it is designed specifically for single-cell Li-Ion or Li-Polymer batteries.

  5. Q: What is the maximum charging current supported by the BQ24080DRCTG4? A: The maximum charging current is programmable up to 1.5A, allowing flexibility based on the battery's requirements.

  6. Q: Does the BQ24080DRCTG4 have overvoltage protection? A: Yes, it has built-in overvoltage protection to prevent damage to the battery during charging.

  7. Q: Is there any thermal regulation in the BQ24080DRCTG4? A: Yes, it includes thermal regulation to prevent overheating and ensure safe operation.

  8. Q: Can the BQ24080DRCTG4 operate in a low-power mode? A: Yes, it has a low-power mode that reduces quiescent current consumption when the battery is not charging.

  9. Q: Does the BQ24080DRCTG4 support USB On-The-Go (OTG) functionality? A: Yes, it supports USB OTG, allowing the system to act as a host or peripheral device.

  10. Q: What are some typical applications for the BQ24080DRCTG4? A: The BQ24080DRCTG4 is commonly used in portable devices such as smartphones, tablets, and wearable devices for efficient battery charging and power management.

Please note that these answers are general and may vary based on specific datasheet specifications and application requirements.