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BQ2002TSNTR
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BQ2002TSNTR

Product Overview

Category

BQ2002TSNTR belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for battery charging applications.

Characteristics

  • Integrated circuit designed for battery charging
  • High efficiency and accuracy in charging process
  • Compact size and low power consumption
  • Wide operating voltage range
  • Built-in protection features for safe charging

Package

BQ2002TSNTR is available in a small outline transistor (SOT) package.

Essence

The essence of BQ2002TSNTR lies in its ability to efficiently charge batteries while ensuring safety and accuracy.

Packaging/Quantity

This product is typically packaged in reels, with a quantity of 2500 units per reel.

Specifications

  • Input Voltage Range: 4.5V to 26V
  • Charging Current Range: 100mA to 1A
  • Operating Temperature Range: -40°C to +85°C
  • Output Voltage Accuracy: ±1%
  • Charge Termination Options: Timer, Voltage, or Temperature

Detailed Pin Configuration

The BQ2002TSNTR IC has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. BAT: Battery connection
  4. PROG: Programming pin for setting charging parameters
  5. STAT: Status output pin
  6. TEMP: Temperature sensing pin
  7. TIMER: Timer control pin
  8. VREF: Reference voltage output

Functional Features

  • Constant current and constant voltage charging modes
  • Automatic charge termination based on user-defined criteria
  • Temperature monitoring for safe charging
  • Timer-based charge termination option
  • LED status indication for charging progress
  • Programmable charging parameters for customization

Advantages and Disadvantages

Advantages

  • High charging efficiency
  • Accurate and reliable charging process
  • Compact size for space-constrained applications
  • Built-in protection features ensure safe charging

Disadvantages

  • Limited charging current range (100mA to 1A)
  • Requires external components for complete battery charging system

Working Principles

BQ2002TSNTR operates on the principle of constant current and constant voltage charging. It regulates the charging current and voltage to ensure optimal charging efficiency while protecting the battery from overcharging or overheating. The IC continuously monitors the battery's voltage, temperature, and charging time to determine the appropriate charging mode and termination criteria.

Detailed Application Field Plans

BQ2002TSNTR finds applications in various fields, including: 1. Portable electronic devices 2. Battery-powered medical equipment 3. Electric vehicles 4. Solar power systems 5. Industrial automation

Detailed and Complete Alternative Models

Some alternative models to BQ2002TSNTR that offer similar functionality are: 1. MCP73831 2. MAX1555 3. LTC4054 4. TP4056 5. BQ24075

These models provide comparable features and can be considered as alternatives based on specific application requirements.

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Liste 10 perguntas e respostas comuns relacionadas à aplicação de BQ2002TSNTR em soluções técnicas

Sure! Here are 10 common questions and answers related to the application of BQ2002TSNTR in technical solutions:

  1. Question: What is the BQ2002TSNTR?
    Answer: The BQ2002TSNTR 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 BQ2002TSNTR?
    Answer: The BQ2002TSNTR supports an input voltage range of 4.5V to 6.5V.

  3. Question: Can the BQ2002TSNTR charge multiple batteries simultaneously?
    Answer: No, the BQ2002TSNTR is designed to charge a single-cell battery at a time.

  4. Question: What charging current can be set using the BQ2002TSNTR?
    Answer: The BQ2002TSNTR allows you to set the charging current between 100mA and 500mA.

  5. Question: Does the BQ2002TSNTR have built-in overcharge protection?
    Answer: Yes, the BQ2002TSNTR features built-in overcharge protection to prevent damage to the battery.

  6. Question: Can the BQ2002TSNTR be used with other battery chemistries like NiMH or lead-acid?
    Answer: No, the BQ2002TSNTR is specifically designed for Li-Ion or Li-Polymer batteries and may not be suitable for other chemistries.

  7. Question: Is there a thermal shutdown feature in the BQ2002TSNTR?
    Answer: Yes, the BQ2002TSNTR includes a thermal shutdown feature that activates if the IC temperature exceeds a certain threshold.

  8. Question: Can the BQ2002TSNTR be used in portable devices?
    Answer: Yes, the BQ2002TSNTR is commonly used in portable devices like smartphones, tablets, and wearable devices.

  9. Question: Does the BQ2002TSNTR support fast charging?
    Answer: No, the BQ2002TSNTR is not specifically designed for fast charging applications.

  10. Question: Are there any evaluation boards or reference designs available for the BQ2002TSNTR?
    Answer: Yes, Texas Instruments provides evaluation boards and reference designs to help with the implementation of the BQ2002TSNTR in various applications.

Please note that these answers are general and may vary depending on the specific application and requirements. It's always recommended to refer to the datasheet and application notes provided by the manufacturer for detailed information.