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BQ24618RGET
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BQ24618RGET

Product Overview

Category

The BQ24618RGET belongs to the category of battery charge management integrated circuits.

Use

This product is primarily used for managing and charging batteries in various electronic devices.

Characteristics

  • Efficient battery charging
  • Integrated protection features
  • Compact package size
  • Wide input voltage range
  • High charging current capability

Package

The BQ24618RGET is available in a small, surface-mount package.

Essence

The essence of the BQ24618RGET lies in its ability to efficiently charge batteries while providing necessary protection features.

Packaging/Quantity

The BQ24618RGET is typically packaged in reels or tubes, with a quantity of 2500 units per reel/tube.

Specifications

  • Input Voltage Range: 4.5V to 26V
  • Charging Current Range: Up to 8A
  • Charge Termination Options: Voltage-based, timer-based, or temperature-based
  • Operating Temperature Range: -40°C to +85°C
  • Protection Features: Overvoltage protection, overcurrent protection, thermal shutdown, reverse discharge protection

Detailed Pin Configuration

  1. VIN: Input voltage pin
  2. GND: Ground pin
  3. TS: Temperature sense pin
  4. BAT: Battery connection pin
  5. PROG: Programming pin for setting charging parameters
  6. STAT: Status output pin
  7. ISET: Current limit programming pin
  8. VREF: Reference voltage output pin
  9. ILIM: Current limit programming pin
  10. PGND: Power ground pin

Functional Features

  • Constant voltage and constant current charging modes
  • Automatic detection of battery voltage and chemistry
  • Dynamic power management for optimal charging efficiency
  • LED status indication for charging progress
  • Fault detection and reporting

Advantages and Disadvantages

Advantages

  • High charging current capability allows for faster battery charging
  • Wide input voltage range enables compatibility with various power sources
  • Integrated protection features ensure safe and reliable charging
  • Compact package size saves board space in electronic devices

Disadvantages

  • Limited to battery charging applications only
  • Requires external components for complete charging system implementation

Working Principles

The BQ24618RGET operates based on a switching regulator topology. It uses a combination of constant voltage and constant current charging modes to efficiently charge batteries. The integrated circuit monitors the battery voltage, current, and temperature to ensure safe and optimal charging. It dynamically adjusts the charging parameters based on the battery's characteristics.

Detailed Application Field Plans

The BQ24618RGET is widely used in various portable electronic devices, such as smartphones, tablets, laptops, and power banks. It is also utilized in electric vehicles, renewable energy systems, and industrial equipment that require efficient battery charging.

Detailed and Complete Alternative Models

  1. BQ24617RGET: Similar to BQ24618RGET but with a lower charging current capability.
  2. BQ24619RGET: Similar to BQ24618RGET but with additional advanced charging algorithms.
  3. BQ24620RGET: Similar to BQ24618RGET but with higher charging current capability.

These alternative models offer similar functionality and can be chosen based on specific application requirements.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan BQ24618RGET dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of BQ24618RGET in technical solutions:

  1. Q: What is the BQ24618RGET? A: The BQ24618RGET is a battery charger IC designed for single-cell Li-Ion or Li-Polymer batteries.

  2. Q: What is the input voltage range of the BQ24618RGET? A: The BQ24618RGET can accept an input voltage range from 4.5V to 26V.

  3. Q: What is the maximum charging current supported by the BQ24618RGET? A: The BQ24618RGET supports a maximum charging current of 8A.

  4. Q: Can the BQ24618RGET charge multiple batteries simultaneously? A: No, the BQ24618RGET is designed to charge a single-cell battery at a time.

  5. Q: Does the BQ24618RGET have overvoltage protection? A: Yes, the BQ24618RGET has built-in overvoltage protection to prevent damage to the battery.

  6. Q: Is the BQ24618RGET compatible with both Li-Ion and Li-Polymer batteries? A: Yes, the BQ24618RGET is compatible with both Li-Ion and Li-Polymer batteries.

  7. Q: Can the BQ24618RGET be used in automotive applications? A: Yes, the BQ24618RGET is suitable for automotive applications as it meets the necessary standards.

  8. Q: Does the BQ24618RGET support thermal regulation during charging? A: Yes, the BQ24618RGET incorporates thermal regulation to prevent overheating during charging.

  9. Q: What is the typical efficiency of the BQ24618RGET? A: The BQ24618RGET has a typical charging efficiency of around 94%.

  10. Q: Can the BQ24618RGET be used in portable devices like smartphones or tablets? A: Yes, the BQ24618RGET can be used in portable devices that require single-cell battery charging.

Please note that these answers are general and may vary depending on specific application requirements and design considerations.