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S-8254AAPFT-TB-U
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S-8254AAPFT-TB-U

Product Overview

Category

The S-8254AAPFT-TB-U belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for battery protection in various electronic devices.

Characteristics

  • The S-8254AAPFT-TB-U is a compact and highly efficient battery protection IC.
  • It provides overcharge, over-discharge, and short-circuit protection for lithium-ion rechargeable batteries.
  • This IC is designed to ensure the safe and reliable operation of battery-powered devices.
  • It offers low power consumption and high accuracy in voltage detection.

Package

The S-8254AAPFT-TB-U comes in a small and convenient TSSOP-16 package.

Essence

The essence of this product lies in its ability to protect lithium-ion batteries from potential damage caused by overcharging, over-discharging, and short-circuits.

Packaging/Quantity

The S-8254AAPFT-TB-U is typically packaged in reels, with 3,000 units per reel.

Specifications

  • Input Voltage Range: 2.5V to 6.0V
  • Overcharge Detection Voltage: 3.9V to 4.4V (in 50mV steps)
  • Overdischarge Detection Voltage: 2.0V to 3.0V (in 100mV steps)
  • Overcurrent Detection Voltage: 0.05V to 0.2V (in 10mV steps)
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-8254AAPFT-TB-U has the following pin configuration:

  1. VDD: Power supply input
  2. GND: Ground
  3. CHG: Charge control terminal
  4. DSG: Discharge control terminal
  5. OVP: Overvoltage protection terminal
  6. OCP: Overcurrent protection terminal
  7. COUT: Capacitor connection terminal for overcharge detection delay time
  8. DOUT: Capacitor connection terminal for overdischarge detection delay time
  9. VSS: Negative terminal of the battery
  10. VDDP: Power supply input for internal circuitry
  11. SDA: Serial data input/output terminal
  12. SCL: Serial clock input terminal
  13. PFI: Pin for selecting the overcharge detection voltage
  14. PDF: Pin for selecting the overdischarge detection voltage
  15. PCF: Pin for selecting the overcurrent detection voltage
  16. N/C: No connection

Functional Features

  1. Overcharge Protection:

    • The S-8254AAPFT-TB-U monitors the battery voltage and prevents it from exceeding a safe threshold, protecting the battery from damage due to overcharging.

  2. Overdischarge Protection:

    • This IC detects when the battery voltage drops below a certain level and cuts off the discharge path, preventing over-discharge and extending battery life.

  3. Short-Circuit Protection:

    • In the event of a short-circuit, the S-8254AAPFT-TB-U quickly shuts off the current flow, safeguarding the battery and the connected electronic device.

  4. Delayed Detection:

    • The IC incorporates capacitors for delayed detection, allowing for stable and accurate voltage monitoring.

Advantages and Disadvantages

Advantages

  • Provides comprehensive protection for lithium-ion batteries.
  • Compact size and low power consumption.
  • High accuracy in voltage detection.
  • Wide operating temperature range.

Disadvantages

  • Limited to use with lithium-ion rechargeable batteries.
  • Requires careful consideration of voltage selection for optimal performance.

Working Principles

The S-8254AAPFT-TB-U operates by continuously monitoring the battery voltage and comparing it to pre-set thresholds. When the voltage exceeds the overcharge detection threshold, the IC interrupts the charging process. Similarly, when the voltage falls below the overdischarge detection threshold, the IC cuts off the discharge path. In the event of a short-circuit, the IC rapidly shuts off the current flow to protect the battery and connected devices.

Detailed Application Field Plans

The S-8254AAPFT-TB-U is widely used in various battery-powered electronic devices, including but not limited to: - Mobile phones - Tablets - Laptops - Portable gaming consoles - Power banks - Digital cameras - Portable medical devices

Detailed and Complete Alternative Models

  1. S-8254AABFT-TB-G: Similar to S-8254AAPFT-TB-U, but with different package type (SSOP-16).
  2. S-8254AADFT-TB-G: Similar to S-8254AAPFT-TB-U, but with additional features like temperature monitoring.
  3. S-8254AAEFT-TB-G:

Senaraikan 10 soalan dan jawapan biasa yang berkaitan dengan aplikasi S-8254AAPFT-TB-U dalam penyelesaian teknikal

Sure! Here are 10 common questions and answers related to the application of S-8254AAPFT-TB-U in technical solutions:

  1. Q: What is the S-8254AAPFT-TB-U? A: The S-8254AAPFT-TB-U is a battery protection IC designed for lithium-ion rechargeable batteries.

  2. Q: What is the purpose of the S-8254AAPFT-TB-U? A: The purpose of this IC is to protect lithium-ion batteries from overcharging, over-discharging, and overcurrent conditions.

  3. Q: Can the S-8254AAPFT-TB-U be used with any type of lithium-ion battery? A: Yes, it can be used with various types of lithium-ion batteries, including single-cell and multi-cell configurations.

  4. Q: How does the S-8254AAPFT-TB-U protect against overcharging? A: It monitors the voltage of the battery and automatically stops the charging process when the voltage exceeds a certain threshold.

  5. Q: Does the S-8254AAPFT-TB-U provide protection against over-discharging? A: Yes, it includes a feature that cuts off the discharge current when the battery voltage drops below a specified level.

  6. Q: Can the S-8254AAPFT-TB-U handle high current loads? A: Yes, it has a built-in overcurrent protection circuit that can handle high current loads and prevent damage to the battery.

  7. Q: Is the S-8254AAPFT-TB-U suitable for portable electronic devices? A: Yes, it is commonly used in applications such as smartphones, tablets, laptops, and other portable devices.

  8. Q: Does the S-8254AAPFT-TB-U have any temperature protection features? A: Yes, it includes a thermal shutdown function that activates when the IC's temperature exceeds a certain limit.

  9. Q: Can the S-8254AAPFT-TB-U be used in automotive applications? A: Yes, it is designed to meet the requirements of automotive applications and can be used in vehicles.

  10. Q: Are there any specific precautions to consider when using the S-8254AAPFT-TB-U? A: It is important to follow the manufacturer's guidelines for proper installation, voltage ratings, and operating conditions to ensure optimal performance and safety.