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BQ2004ESNTRG4
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BQ2004ESNTRG4 - English Editing Encyclopedia Entry

Product Overview

Category

BQ2004ESNTRG4 belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for battery charging applications.

Characteristics

  • BQ2004ESNTRG4 is a high-performance, single-chip battery charger.
  • It offers fast and efficient charging capabilities.
  • The IC is designed to work with various types of batteries, including lithium-ion, nickel-cadmium, and lead-acid batteries.

Package

The BQ2004ESNTRG4 comes in a small outline transistor (SOT) package.

Essence

The essence of this product lies in its ability to provide reliable and efficient charging solutions for different battery types.

Packaging/Quantity

The BQ2004ESNTRG4 is typically packaged in reels, containing a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 28V
  • Charging Current Range: 50mA to 2A
  • Operating Temperature Range: -40°C to +85°C
  • Integrated Safety Features: Overvoltage protection, overcurrent protection, and thermal shutdown

Detailed Pin Configuration

The BQ2004ESNTRG4 has the following pin configuration:

  1. VCC - Power supply input
  2. GND - Ground reference
  3. BAT - Battery connection
  4. TS - Temperature sense input
  5. PROG - Programming pin for setting charging current
  6. STAT - Status output pin
  7. DSG - Discharge control pin
  8. VREF - Reference voltage output

Functional Features

  • Constant current and constant voltage charging modes
  • Automatic detection of battery type
  • Programmable charging current through the PROG pin
  • Temperature monitoring for safe charging
  • Status output pin for charging indication
  • Discharge control pin for battery protection

Advantages and Disadvantages

Advantages

  • Versatile compatibility with different battery types
  • Fast and efficient charging capabilities
  • Integrated safety features for reliable charging
  • Programmable charging current for flexibility

Disadvantages

  • Limited charging current range (50mA to 2A)
  • Requires external temperature sensing for accurate thermal management

Working Principles

The BQ2004ESNTRG4 operates based on a constant current and constant voltage charging algorithm. It automatically detects the connected battery type and adjusts the charging parameters accordingly. The IC provides a programmable charging current through the PROG pin, allowing flexibility in charging different battery capacities. Safety features such as overvoltage protection, overcurrent protection, and thermal shutdown ensure reliable and secure charging.

Detailed Application Field Plans

The BQ2004ESNTRG4 is widely used in various applications, including: 1. Portable electronic devices - smartphones, tablets, and laptops 2. Electric vehicles - battery-powered cars and bikes 3. Renewable energy systems - solar power storage 4. Industrial equipment - backup power supplies

Detailed and Complete Alternative Models

  1. BQ2002SN - Similar functionality with lower charging current range (10mA to 500mA)
  2. BQ2008 - Higher charging current range (100mA to 4A) with additional features like battery authentication
  3. BQ2057 - Integrated charger and system power selector for dual-battery systems

These alternative models offer different specifications and features, providing options for various charging requirements.

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Seznam 10 běžných otázek a odpovědí souvisejících s aplikací BQ2004ESNTRG4 v technických řešeních

Sure! Here are 10 common questions and answers related to the application of BQ2004ESNTRG4 in technical solutions:

  1. Question: What is the BQ2004ESNTRG4?
    Answer: The BQ2004ESNTRG4 is a battery charger IC designed for single-cell Li-Ion or Li-Polymer batteries.

  2. Question: What is the input voltage range supported by the BQ2004ESNTRG4?
    Answer: The BQ2004ESNTRG4 supports an input voltage range of 4.35V to 6.5V.

  3. Question: Can the BQ2004ESNTRG4 charge multiple batteries simultaneously?
    Answer: No, the BQ2004ESNTRG4 is designed to charge a single-cell battery at a time.

  4. Question: What charging current does the BQ2004ESNTRG4 support?
    Answer: The BQ2004ESNTRG4 supports a charging current range from 100mA to 1.5A.

  5. Question: Does the BQ2004ESNTRG4 have overvoltage protection?
    Answer: Yes, the BQ2004ESNTRG4 has built-in overvoltage protection to prevent damage to the battery.

  6. Question: Can the BQ2004ESNTRG4 be used in portable devices?
    Answer: Yes, the BQ2004ESNTRG4 is suitable for use in portable devices such as smartphones, tablets, and wearables.

  7. Question: Does the BQ2004ESNTRG4 support fast charging?
    Answer: Yes, the BQ2004ESNTRG4 supports fast charging with adjustable charging current.

  8. Question: What is the maximum charging voltage supported by the BQ2004ESNTRG4?
    Answer: The BQ2004ESNTRG4 supports a maximum charging voltage of 4.2V.

  9. Question: Can the BQ2004ESNTRG4 be used in automotive applications?
    Answer: Yes, the BQ2004ESNTRG4 is suitable for use in automotive applications that require battery charging.

  10. Question: Does the BQ2004ESNTRG4 have thermal protection?
    Answer: Yes, the BQ2004ESNTRG4 has built-in thermal protection to prevent overheating during charging.

Please note that these answers are general and may vary depending on the specific application and implementation of the BQ2004ESNTRG4.