ABLIC U.S.A. Inc.
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S-8254BCGFT-TB-U

S-8254BCGFT-TB-U

Product Overview

Category: Integrated Circuit (IC)

Use: Battery Protection IC for Lithium-ion Rechargeable Batteries

Characteristics: - Provides overcharge, over-discharge, and short-circuit protection for lithium-ion batteries - Monitors battery voltage and controls charging/discharging process - Ensures safe and efficient operation of lithium-ion batteries

Package: Thin Small Outline Package (TSOP-6)

Essence: Battery protection and management

Packaging/Quantity: Tape and reel packaging, 3000 units per reel

Specifications

  • Input Voltage Range: 2.5V to 7.0V
  • Overcharge Detection Voltage: 3.9V ± 25mV
  • Overcharge Release Voltage: 3.8V ± 75mV
  • Overdischarge Detection Voltage: 2.3V ± 100mV
  • Overdischarge Release Voltage: 2.9V ± 100mV
  • Short-Circuit Detection Delay Time: 10ms to 50ms
  • Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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

  1. VDD: Power supply input
  2. GND: Ground reference
  3. CHG: Charging control pin
  4. DSG: Discharging control pin
  5. OUT: Output pin for battery status indication
  6. N/C: Not connected pin

Functional Features

  1. Overcharge Protection: Monitors battery voltage during charging and prevents overcharging, ensuring the battery's longevity and safety.
  2. Overdischarge Protection: Monitors battery voltage during discharging and prevents overdischarging, protecting the battery from damage.
  3. Short-Circuit Protection: Detects short-circuits and interrupts the current flow to prevent further damage to the battery or connected devices.
  4. Battery Status Indication: Provides an output pin (OUT) for indicating the battery's status, such as charging, discharging, or fault conditions.

Advantages and Disadvantages

Advantages: - Comprehensive protection for lithium-ion batteries - Compact and space-saving TSOP-6 package - Wide operating temperature range for versatile applications - Battery status indication for easy monitoring

Disadvantages: - Limited to lithium-ion rechargeable batteries - Requires external circuitry for charging and discharging control

Working Principles

The S-8254BCGFT-TB-U operates by continuously monitoring the battery voltage during charging and discharging. It compares the voltage levels with predefined thresholds to detect overcharge and overdischarge conditions. In case of a short-circuit, it quickly interrupts the current flow to protect the battery and connected devices. The OUT pin provides a visual indication of the battery's status.

Detailed Application Field Plans

The S-8254BCGFT-TB-U is widely used in various portable electronic devices powered by lithium-ion rechargeable batteries. Some common application fields include:

  1. Mobile Phones and Smartphones
  2. Tablets and Laptops
  3. Digital Cameras and Camcorders
  4. Portable Gaming Devices
  5. Power Banks and Portable Chargers

Detailed and Complete Alternative Models

  1. S-8254AAKFT-TB-G: Battery Protection IC for Lithium-ion Rechargeable Batteries, TSOP-6 package.
  2. S-8254ABKFT-TB-G: Battery Protection IC for Lithium-ion Rechargeable Batteries, TSOP-6 package, with additional features.
  3. S-8254BAKFT-TB-G: Battery Protection IC for Lithium-ion Rechargeable Batteries, TSOP-6 package, optimized for high-current applications.

These alternative models offer similar functionality and are suitable replacements for the S-8254BCGFT-TB-U in various applications.

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Wymień 10 typowych pytań i odpowiedzi związanych z zastosowaniem S-8254BCGFT-TB-U w rozwiązaniach technicznych

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

  1. Q: What is the S-8254BCGFT-TB-U? A: The S-8254BCGFT-TB-U is a lithium-ion battery protection IC that provides overcharge, over-discharge, and overcurrent protection for single-cell lithium-ion batteries.

  2. Q: What are the key features of the S-8254BCGFT-TB-U? A: The key features include low power consumption, high accuracy voltage detection, built-in delay circuit, and small package size.

  3. Q: How does the S-8254BCGFT-TB-U protect against overcharge? A: The IC monitors the battery voltage and disconnects the charging circuit when the voltage exceeds a predetermined threshold, preventing overcharging.

  4. Q: Can the S-8254BCGFT-TB-U protect against over-discharge? A: Yes, the IC also monitors the battery voltage during discharge and disconnects the load when the voltage drops below a certain level, protecting against over-discharge.

  5. Q: Does the S-8254BCGFT-TB-U have overcurrent protection? A: Yes, the IC has built-in overcurrent detection and can disconnect the load when the current exceeds a specified limit.

  6. Q: What is the operating voltage range of the S-8254BCGFT-TB-U? A: The IC operates within a voltage range of 2.5V to 6.0V.

  7. Q: Can the S-8254BCGFT-TB-U 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 typical standby current of the S-8254BCGFT-TB-U? A: The typical standby current is around 0.1µA, ensuring minimal power consumption when not in use.

  9. Q: Does the S-8254BCGFT-TB-U have a thermal shutdown feature? A: Yes, the IC includes a thermal shutdown circuit that activates when the temperature exceeds a certain threshold, protecting against overheating.

  10. Q: Can the S-8254BCGFT-TB-U be used in portable electronic devices? A: Yes, the IC is commonly used in various portable devices such as smartphones, tablets, and wearable devices to ensure safe battery operation.

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