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S-8254ABJFT-TB-U
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S-8254ABJFT-TB-U

Product Overview

Category

The S-8254ABJFT-TB-U belongs to the category of integrated circuits (ICs) and specifically falls under the battery protection ICs.

Use

This product is primarily used for protecting rechargeable lithium-ion batteries from overcharging, over-discharging, and short-circuiting. It ensures the safe and efficient operation of lithium-ion batteries in various electronic devices.

Characteristics

  • Overcharge protection: Prevents the battery from being charged beyond its safe voltage limit.
  • Over-discharge protection: Safeguards the battery by preventing it from discharging below a certain voltage threshold.
  • Short-circuit protection: Detects and prevents excessive current flow during a short circuit event.
  • Temperature protection: Monitors the battery temperature and triggers protective measures if it exceeds the specified range.
  • Low power consumption: The IC itself consumes minimal power, ensuring efficient battery usage.
  • Compact package: The S-8254ABJFT-TB-U comes in a small form factor, making it suitable for space-constrained applications.
  • RoHS compliant: This product adheres to the Restriction of Hazardous Substances directive, ensuring environmental safety.

Package and Quantity

The S-8254ABJFT-TB-U is available in a surface-mount TSSOP-16 package. Each package contains one unit of the IC.

Specifications

  • Input voltage range: 2.5V to 6.0V
  • Overcharge detection voltage: 3.9V ± 25mV
  • Overdischarge detection voltage: 2.3V ± 100mV
  • Overcurrent detection voltage: 0.1V ± 20mV
  • Operating temperature range: -40°C to +85°C
  • Standby current: 0.1µA (typical)
  • Dimensions: 4.4mm x 5.0mm x 1.0mm

Detailed Pin Configuration

The S-8254ABJFT-TB-U has a total of 16 pins, each serving a specific function. The pin configuration is as follows:

  1. VDD: Power supply input
  2. GND: Ground reference
  3. CHG: Battery charging control input
  4. DSG: Battery discharging control input
  5. OCP: Overcurrent protection output
  6. OVP: Overvoltage protection output
  7. UVP: Undervoltage protection output
  8. TSD: Thermal shutdown output
  9. BAT: Battery connection terminal
  10. N/C: Not connected
  11. N/C: Not connected
  12. N/C: Not connected
  13. N/C: Not connected
  14. N/C: Not connected
  15. N/C: Not connected
  16. N/C: Not connected

Functional Features

  1. Overcharge Protection: Monitors the battery voltage during charging and prevents it from exceeding the safe limit.
  2. Overdischarge Protection: Detects the battery voltage during discharging and cuts off the load when it reaches the specified threshold.
  3. Overcurrent Protection: Safeguards against excessive current flow by interrupting the circuit in case of a short circuit or high current situation.
  4. Temperature Protection: Monitors the battery temperature and triggers protective measures if it exceeds the specified range.
  5. Charging Control: Regulates the charging process to ensure optimal battery performance and longevity.
  6. Discharging Control: Manages the discharging process to prevent damage to the battery due to excessive discharge.

Advantages and Disadvantages

Advantages

  • Comprehensive battery protection features
  • Compact size for space-constrained applications
  • Low power consumption
  • RoHS compliant, environmentally friendly

Disadvantages

  • Limited to lithium-ion battery protection only
  • Requires proper configuration and integration into the target system

Working Principles

The S-8254ABJFT-TB-U operates by continuously monitoring the battery voltage, current, and temperature. It compares these parameters with predefined thresholds to determine if any protective action is required. If an abnormal condition is detected, such as overcharging, overdischarging, or overcurrent, the IC triggers the corresponding protection mechanism to safeguard the battery.

Detailed Application Field Plans

The S-8254ABJFT-TB-U finds applications in various electronic devices that utilize rechargeable lithium-ion batteries. Some of the common application fields include:

  1. Portable consumer electronics: Smartphones, tablets, laptops, digital cameras, portable gaming devices.
  2. Power tools: Cordless drills, electric screwdrivers, lawn mowers.
  3. Electric vehicles: Electric bikes, scooters, skateboards.
  4. Energy storage systems: Solar-powered systems, uninterruptible power supplies (UPS), backup power solutions.

Detailed and Complete Alternative Models

  1. S-8254

Lista 10 Vanliga frågor och svar relaterade till tillämpningen av S-8254ABJFT-TB-U i tekniska lösningar

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

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

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

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

  4. Q: Can the S-8254ABJFT-TB-U 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-8254ABJFT-TB-U provide short-circuit protection? A: Yes, the IC has built-in short-circuit detection and protection mechanisms to safeguard the battery and the connected circuitry.

  6. Q: What is the maximum voltage rating supported by the S-8254ABJFT-TB-U? A: The IC can handle a maximum voltage of 18V, making it suitable for various lithium-ion battery applications.

  7. Q: Can the S-8254ABJFT-TB-U be used with different battery capacities? A: Yes, the IC is compatible with various battery capacities and can be adjusted to suit the specific requirements of the application.

  8. Q: Does the S-8254ABJFT-TB-U have any temperature protection features? A: Yes, the IC includes a thermal shutdown function that activates when the temperature exceeds a certain threshold, protecting the battery from damage.

  9. Q: Is the S-8254ABJFT-TB-U suitable for portable electronic devices? A: Absolutely! The IC is commonly used in portable electronic devices like smartphones, tablets, laptops, and power banks to ensure safe battery operation.

  10. Q: Are there any specific design considerations when using the S-8254ABJFT-TB-U? A: It is important to follow the manufacturer's guidelines and datasheet recommendations for proper circuit design, including component selection and layout, to maximize the performance and reliability of the IC in your technical solution.

Please note that these answers are general and may vary depending on the specific application and requirements. Always refer to the manufacturer's documentation for accurate information.