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BQ24076RGTR
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BQ24076RGTR

Product Overview

Category

BQ24076RGTR belongs to the category of integrated circuits (ICs) specifically designed for battery charging applications.

Use

This product is commonly used in portable electronic devices, such as smartphones, tablets, and wearable devices, to efficiently charge lithium-ion batteries.

Characteristics

  • High charging efficiency
  • Compact size
  • Low power consumption
  • Wide input voltage range
  • Overvoltage protection
  • Thermal regulation

Package

BQ24076RGTR is available in a small outline transistor (SOT) package, which ensures easy integration into various electronic devices.

Essence

The essence of BQ24076RGTR lies in its ability to provide a reliable and efficient charging solution for lithium-ion batteries, ensuring optimal performance and extended battery life.

Packaging/Quantity

This product is typically packaged in reels, with each reel containing a specific quantity of BQ24076RGTR ICs. The exact quantity may vary depending on the manufacturer's specifications.

Specifications

  • Input Voltage Range: 4.35V - 6.45V
  • Charging Current: Up to 1.5A
  • Battery Regulation Voltage: 4.2V
  • Precharge Current: 100mA
  • Operating Temperature Range: -40°C to +85°C
  • Package Type: SOT-23

Detailed Pin Configuration

  1. VBUS: Input voltage pin for the charger.
  2. PG: Power good output pin indicating the charging status.
  3. STAT: Status output pin providing information about the charging process.
  4. TS: Thermistor input pin for thermal regulation.
  5. BAT: Battery voltage sense pin.
  6. GND: Ground pin.
  7. PROG: Programming pin for setting the charging current.
  8. ISET: Current limit programming pin.

Functional Features

  • Integrated power FETs for charging control.
  • Automatic battery detection and charging initiation.
  • Programmable charging current.
  • Thermal regulation to prevent overheating.
  • Charging status indication through the STAT pin.
  • Overvoltage protection for safe charging.

Advantages and Disadvantages

Advantages

  • High charging efficiency ensures faster battery charging.
  • Compact size allows for easy integration into small electronic devices.
  • Wide input voltage range enables compatibility with various power sources.
  • Overvoltage protection safeguards the battery from potential damage.
  • Thermal regulation prevents overheating during the charging process.

Disadvantages

  • Limited maximum charging current may not be suitable for high-capacity batteries.
  • Lack of advanced features, such as wireless charging or USB Type-C support.

Working Principles

BQ24076RGTR operates based on a constant current/constant voltage (CC/CV) charging algorithm. It automatically detects the connected battery and initiates the charging process accordingly. The integrated power FETs control the charging current and voltage to ensure optimal charging efficiency and battery safety. The thermal regulation feature monitors the temperature and adjusts the charging parameters to prevent overheating.

Detailed Application Field Plans

BQ24076RGTR is widely used in various portable electronic devices, including smartphones, tablets, smartwatches, and Bluetooth earphones. Its compact size, high efficiency, and reliable performance make it an ideal choice for these applications. Additionally, it can be utilized in power banks and other battery-powered devices that require efficient charging solutions.

Detailed and Complete Alternative Models

  1. BQ24075RGTR: Similar to BQ24076RGTR but with a lower charging current capability.
  2. BQ24077RGTR: Similar to BQ24076RGTR but with additional features like USB OTG support.
  3. MCP73831T-2ACI/OT: An alternative IC with similar charging characteristics and package type.

These alternative models provide similar functionality to BQ24076RGTR and can be considered as suitable replacements depending on specific application requirements.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan BQ24076RGTR dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of BQ24076RGTR:

  1. Q: What is the BQ24076RGTR? A: The BQ24076RGTR is a battery charger IC designed for single-cell Li-Ion or Li-Polymer batteries.

  2. Q: What is the input voltage range supported by the BQ24076RGTR? A: The BQ24076RGTR supports an input voltage range of 4.35V to 6.5V.

  3. Q: What is the maximum charging current provided by the BQ24076RGTR? A: The BQ24076RGTR can provide a maximum charging current of 1.5A.

  4. Q: Does the BQ24076RGTR support USB On-The-Go (OTG) functionality? A: No, the BQ24076RGTR does not support USB OTG functionality.

  5. Q: Can the BQ24076RGTR operate with a floating ground system? A: No, the BQ24076RGTR requires a grounded system for proper operation.

  6. Q: Is the BQ24076RGTR capable of thermal regulation during charging? A: Yes, the BQ24076RGTR features thermal regulation to prevent overheating during charging.

  7. Q: What is the purpose of the power good (PG) pin on the BQ24076RGTR? A: The PG pin is used to indicate when the battery charging is complete and the output voltage is within regulation limits.

  8. Q: Can the BQ24076RGTR be used in fast charging applications? A: Yes, the BQ24076RGTR supports fast charging with its programmable charge current and voltage options.

  9. Q: Does the BQ24076RGTR have built-in protection features for overvoltage and overcurrent? A: Yes, the BQ24076RGTR includes built-in protection against overvoltage, overcurrent, and short-circuit conditions.

  10. Q: What is the typical efficiency of the BQ24076RGTR during charging? A: The BQ24076RGTR has a typical charging efficiency of around 90-95%.

Please note that these answers are general and may vary depending on the specific application and implementation of the BQ24076RGTR. It's always recommended to refer to the datasheet and consult the manufacturer for detailed information.