ABLIC U.S.A. Inc.
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S-8254ABBFT-TB-G
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S-8254ABBFT-TB-G

Product Overview

Category

S-8254ABBFT-TB-G belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

  • Integrated circuit for battery protection
  • Provides overcharge, over-discharge, and short-circuit protection
  • Low power consumption
  • Compact size
  • High reliability

Package

S-8254ABBFT-TB-G is available in a small form factor package, typically a thin small outline package (TSOP).

Essence

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

Packaging/Quantity

The product is usually packaged in reels or tubes, with a typical quantity of 3000 units per reel.

Specifications

  • Input voltage range: 2.5V - 6.0V
  • Overcharge detection voltage: 3.9V ± 25mV
  • Overdischarge detection voltage: 2.3V ± 100mV
  • Short-circuit detection delay time: 10ms - 30ms
  • Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The S-8254ABBFT-TB-G IC has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground connection
  3. BAT: Battery connection
  4. CHG: Charge status output
  5. DSG: Discharge status output
  6. OVP: Overvoltage protection output
  7. OCP: Overcurrent protection output

Functional Features

  1. Overcharge Protection: Monitors the battery voltage and disconnects the charging circuit when the voltage exceeds the specified threshold.
  2. Overdischarge Protection: Cuts off the discharge circuit when the battery voltage drops below the specified threshold.
  3. Short-Circuit Protection: Detects short-circuits and interrupts the current flow to prevent damage to the battery and connected devices.
  4. Charge/Discharge Status Outputs: Provides status signals indicating whether the battery is being charged or discharged.
  5. Overvoltage and Overcurrent Protection Outputs: Signals are activated when overvoltage or overcurrent conditions are detected.

Advantages and Disadvantages

Advantages

  • Effective protection against overcharging, over-discharging, and short-circuits
  • Compact size allows for easy integration into various electronic devices
  • Low power consumption ensures minimal impact on battery life
  • High reliability ensures long-term performance

Disadvantages

  • Limited input voltage range may not be suitable for all applications
  • Requires external components for complete battery protection system implementation

Working Principles

The S-8254ABBFT-TB-G operates by continuously monitoring the battery voltage during charging and discharging processes. It compares the voltage with predefined thresholds to detect overcharge and overdischarge conditions. In case of an overcharge, the IC disconnects the charging circuit, preventing further charging. Similarly, in the event of an overdischarge, the discharge circuit is cut off to protect the battery. The IC also detects short-circuits and interrupts the current flow to avoid damage. The charge/discharge status outputs provide real-time information about the battery's operational state.

Detailed Application Field Plans

The S-8254ABBFT-TB-G is widely used in various portable electronic devices, such as smartphones, tablets, digital cameras, and portable gaming consoles. It ensures the safe and reliable operation of the batteries in these devices, protecting them from potential damage caused by overcharging, over-discharging, and short-circuits.

Detailed and Complete Alternative Models

  1. S-8254AABFT-TB-G: Similar to S-8254ABBFT-TB-G, but with a different package type.
  2. S-8254ACBFT-TB-G: Offers additional features like temperature monitoring and thermal shutdown protection.
  3. S-8254ADBFT-TB-G: Designed for higher voltage applications, suitable for devices with larger battery packs.

These alternative models provide similar battery protection functionalities but may differ in package type, additional features, or voltage range compatibility.

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Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de S-8254ABBFT-TB-G en soluciones técnicas

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

  1. Q: What is the S-8254ABBFT-TB-G? A: The S-8254ABBFT-TB-G is a lithium-ion battery protection IC designed for use in various applications, including power banks, portable devices, and industrial equipment.

  2. Q: What is the purpose of the S-8254ABBFT-TB-G? A: The main purpose of this IC is to protect lithium-ion batteries from overcharging, over-discharging, and short-circuiting, ensuring their safe and efficient operation.

  3. Q: How does the S-8254ABBFT-TB-G protect batteries from overcharging? A: The IC monitors the battery voltage and disconnects the charging circuit when it reaches a predetermined threshold, preventing overcharging and potential damage to the battery.

  4. Q: Can the S-8254ABBFT-TB-G protect batteries from over-discharging? A: Yes, the IC also monitors the battery voltage during discharge and disconnects the load when it reaches a certain low voltage level, preventing over-discharging and extending the battery's lifespan.

  5. Q: Does the S-8254ABBFT-TB-G provide short-circuit protection? A: Absolutely! The IC has built-in short-circuit detection and protection mechanisms that quickly disconnect the battery from the load in case of a short circuit, preventing any potential damage.

  6. Q: What is the maximum voltage and current rating of the S-8254ABBFT-TB-G? A: The IC can handle a maximum voltage of 18V and a continuous discharge current of up to 2A, making it suitable for a wide range of applications.

  7. Q: Can the S-8254ABBFT-TB-G be used in multi-cell battery packs? A: Yes, this IC is designed to protect single-cell lithium-ion batteries as well as multi-cell battery packs by connecting multiple ICs in parallel.

  8. Q: Does the S-8254ABBFT-TB-G have any thermal protection features? A: Yes, the IC includes a built-in thermal shutdown feature that activates when the temperature exceeds a certain threshold, preventing overheating and potential damage.

  9. Q: Is the S-8254ABBFT-TB-G compatible with different battery chemistries? A: No, this IC is specifically designed for use with lithium-ion batteries and may not be suitable for other battery chemistries like NiMH or lead-acid.

  10. Q: Are there any additional features or functionalities of the S-8254ABBFT-TB-G? A: Yes, the IC also includes an open-drain output pin for status indication, reverse current blocking to prevent discharge from the battery to the charging circuit, and a power supply voltage monitoring function.

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 consult with the manufacturer for detailed information.