Texas Instruments
Gambar mungkin merupakan representasi.
Lihat spesifikasi untuk detail produk.
BQ2002CSNG4
Lihat Detail Lembar Data

BQ2002CSNG4

Product Overview

Category

BQ2002CSNG4 belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for battery charging applications.

Characteristics

  • Integrated circuit designed for battery charging
  • High efficiency and accuracy
  • Compact size
  • Low power consumption

Package

BQ2002CSNG4 is available in a small outline package (SOP) or a thin shrink small outline package (TSSOP).

Essence

The essence of BQ2002CSNG4 lies in its ability to efficiently charge batteries while ensuring accuracy and reliability.

Packaging/Quantity

This product is typically packaged in reels or tubes, with quantities varying based on customer requirements.

Specifications

  • Input voltage range: 4.5V to 26V
  • Charging current range: 50mA to 1A
  • Operating temperature range: -40°C to +85°C
  • Output voltage accuracy: ±1%
  • Charge termination methods: voltage-based, timer-based, and temperature-based

Detailed Pin Configuration

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

Functional Features

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

Advantages and Disadvantages

Advantages

  • High charging efficiency
  • Accurate and reliable charging
  • Compact size for space-constrained applications
  • Low power consumption for energy efficiency

Disadvantages

  • Limited charging current range (50mA to 1A)
  • Requires external components for complete battery charging system

Working Principles

BQ2002CSNG4 operates based on a constant current and constant voltage charging algorithm. It regulates the charging current and voltage to ensure optimal charging of the battery. The charge termination methods, such as voltage-based, timer-based, and temperature-based, prevent overcharging and ensure safe operation.

Detailed Application Field Plans

BQ2002CSNG4 finds applications in various fields, including: 1. Portable electronic devices 2. Power tools 3. Electric vehicles 4. Medical devices 5. Solar power systems

Detailed and Complete Alternative Models

  1. BQ2000CSNG4: Similar functionality with lower charging current range (10mA to 500mA)
  2. BQ2004CSNG4: Higher charging current range (100mA to 2A) with additional features like battery authentication

Note: This is not an exhaustive list, and there may be other alternative models available in the market.

In conclusion, BQ2002CSNG4 is a highly efficient and accurate integrated circuit designed for battery charging applications. Its compact size and low power consumption make it suitable for various portable and energy-efficient devices. However, it has limitations in terms of charging current range and requires additional components for a complete charging system.

Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan BQ2002CSNG4 dalam solusi teknis

Sure! Here are 10 common questions and answers related to the application of BQ2002CSNG4 in technical solutions:

  1. Q: What is BQ2002CSNG4? A: BQ2002CSNG4 is a battery charger IC designed for single-cell lithium-ion or lithium-polymer batteries.

  2. Q: What is the input voltage range for BQ2002CSNG4? A: The input voltage range for BQ2002CSNG4 is typically between 4.35V and 6.5V.

  3. Q: What is the maximum charging current supported by BQ2002CSNG4? A: BQ2002CSNG4 supports a maximum charging current of 1A.

  4. Q: Can BQ2002CSNG4 charge multiple batteries simultaneously? A: No, BQ2002CSNG4 is designed to charge a single-cell battery at a time.

  5. Q: Does BQ2002CSNG4 have overcharge protection? A: Yes, BQ2002CSNG4 has built-in overcharge protection to prevent damage to the battery.

  6. Q: Can BQ2002CSNG4 be used for fast charging applications? A: Yes, BQ2002CSNG4 supports fast charging with its adjustable charging current feature.

  7. Q: Is BQ2002CSNG4 suitable for low-power devices? A: Yes, BQ2002CSNG4 is designed for low-power applications and can efficiently charge small batteries.

  8. Q: Does BQ2002CSNG4 have thermal protection? A: Yes, BQ2002CSNG4 incorporates thermal protection to prevent overheating during charging.

  9. Q: Can BQ2002CSNG4 be used in portable devices? A: Yes, BQ2002CSNG4 is commonly used in portable devices like smartphones, tablets, and wearable devices.

  10. Q: What are the key features of BQ2002CSNG4? A: Some key features of BQ2002CSNG4 include constant current/constant voltage charging, charge termination based on battery voltage and temperature, and automatic recharge.