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S-8254ABDFT-TB-S
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S-8254ABDFT-TB-S

Product Overview

Category: Integrated Circuit (IC)

Use: Battery protection IC for lithium-ion rechargeable batteries

Characteristics: - Provides overcharge, overdischarge, and short-circuit protection for lithium-ion batteries - Monitors battery voltage and current to ensure safe operation - Controls charging and discharging processes to prevent damage to the battery - Suitable for various portable electronic devices powered by lithium-ion batteries

Package: Thin Small Outline Package (TSOP-6)

Essence: Ensures the safety and longevity of lithium-ion batteries in electronic devices

Packaging/Quantity: Sold in reels containing 3,000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 6.0V
  • Overcharge Detection Voltage: 4.25V ± 0.05V
  • Overdischarge Detection Voltage: 2.4V ± 0.08V
  • Overcurrent Detection Voltage: 0.1V ± 0.02V
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The S-8254ABDFT-TB-S has the following pin configuration:

  1. VCC: Power supply input
  2. GND: Ground reference
  3. CHG: Charging control input
  4. DSG: Discharging control input
  5. OUT: Output terminal for battery voltage monitoring
  6. N/C: No connection

Functional Features

  1. Overcharge Protection:

    • Monitors battery voltage during charging process
    • Automatically stops charging when the voltage exceeds the specified limit

  2. Overdischarge Protection:

    • Monitors battery voltage during discharging process
    • Automatically cuts off power when the voltage drops below the specified limit

  3. Short-Circuit Protection:

    • Detects excessive current flow and prevents damage to the battery

  4. Temperature Monitoring:

    • Monitors the operating temperature of the IC
    • Activates thermal shutdown if the temperature exceeds the safe limit

Advantages and Disadvantages

Advantages: - Provides comprehensive protection for lithium-ion batteries - Compact size and low power consumption - Wide input voltage range allows compatibility with various devices - Reliable overcharge, overdischarge, and short-circuit protection

Disadvantages: - Limited to lithium-ion battery applications - Requires proper circuit design and integration for optimal performance

Working Principles

The S-8254ABDFT-TB-S operates by continuously monitoring the battery voltage and current during charging and discharging processes. It compares these values with predetermined thresholds to detect potential issues such as overcharge, overdischarge, and short-circuits. When a fault is detected, the IC takes appropriate actions to protect the battery, such as stopping the charging process or cutting off power.

Detailed Application Field Plans

The S-8254ABDFT-TB-S is widely used in various portable electronic devices powered by lithium-ion batteries, including:

  1. Smartphones and tablets
  2. Laptops and notebooks
  3. Digital cameras and camcorders
  4. Portable gaming consoles
  5. Bluetooth headsets and speakers
  6. Portable medical devices
  7. GPS navigation systems
  8. Power banks and portable chargers

Detailed and Complete Alternative Models

  1. S-8254AADFT-TB-G: Similar battery protection IC with additional features like overcurrent detection and external MOSFET control.
  2. S-8254ACDFT-TB-S: Battery protection IC with adjustable overcharge and overdischarge detection voltages.
  3. S-8254BCDFT-TB-G: Battery protection IC with built-in battery cell balancing function.
  4. S-8254CCDFT-TB-S: Battery protection IC with enhanced short-circuit protection and faster response time.

(Note: The above alternative models are just a few examples; there are several other alternatives available in the market.)

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

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

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

  2. Q: What is the purpose of using S-8254ABDFT-TB-S in technical solutions? A: The S-8254ABDFT-TB-S provides overcharge, over-discharge, and short-circuit protection for lithium-ion batteries, ensuring their safe operation.

  3. Q: How does the S-8254ABDFT-TB-S protect against overcharge? A: The IC monitors the battery voltage and disconnects the charging circuit when it reaches a predefined threshold, preventing overcharging.

  4. Q: Can the S-8254ABDFT-TB-S protect against over-discharge? A: Yes, the IC also monitors the battery voltage during discharge and cuts off the load when it drops below a certain level, preventing over-discharge.

  5. Q: Does the S-8254ABDFT-TB-S provide short-circuit protection? A: Yes, the IC has built-in short-circuit detection and protection features that disconnect the battery from the load in case of a short circuit.

  6. Q: What is the maximum voltage rating supported by the S-8254ABDFT-TB-S? A: The IC supports a maximum voltage rating of 18V.

  7. Q: Can the S-8254ABDFT-TB-S be used with different battery chemistries? A: No, the IC is specifically designed for lithium-ion batteries and may not be suitable for other chemistries.

  8. Q: What is the operating temperature range of the S-8254ABDFT-TB-S? A: The IC can operate within a temperature range of -40°C to +85°C.

  9. Q: Does the S-8254ABDFT-TB-S require any external components for operation? A: Yes, the IC requires external resistors and capacitors for setting various protection parameters.

  10. Q: Is the S-8254ABDFT-TB-S available in different package options? A: Yes, the IC is available in a small form factor TDFN package, making it suitable for space-constrained applications.

Please note that these answers are general and may vary depending on the specific datasheet and application requirements.