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S-8254AAYFT-TB-U
Product Overview
Category
S-8254AAYFT-TB-U belongs to the category of integrated circuits (ICs).
Use
This IC is commonly used for battery protection in various electronic devices.
Characteristics
- Voltage range: 2.5V to 6.0V
- Low current consumption: 1µA (typical)
- Overcharge detection voltage: 3.9V to 4.35V (in 0.05V steps)
- Overdischarge detection voltage: 2.0V to 3.0V (in 0.1V steps)
- Overcurrent detection voltage: 0.1V to 0.3V (in 0.1V steps)
- Package type: Thin Small Outline Package (TSOP-6)
- Essence: Battery protection and management
Packaging/Quantity
The S-8254AAYFT-TB-U is typically packaged in reels, with 3000 units per reel.
Specifications
- Operating temperature range: -40°C to +85°C
- Charging current: Up to 2A
- Discharging current: Up to 2A
- Overcharge release voltage: 3.6V to 4.2V (in 0.1V steps)
- Overdischarge release voltage: 2.3V to 3.3V (in 0.1V steps)
- Overcurrent release voltage: 0.15V to 0.35V (in 0.1V steps)
Detailed Pin Configuration
The S-8254AAYFT-TB-U has the following pin configuration:
- VCC: Power supply input
- GND: Ground
- CHG: Charging control input
- DSG: Discharging control input
- OVP: Overvoltage protection output
- OCP: Overcurrent protection output
Functional Features
- Overcharge protection: The IC monitors the battery voltage and prevents it from exceeding a safe threshold, protecting against overcharging.
- Overdischarge protection: It detects when the battery voltage drops below a certain level and cuts off the power supply to prevent excessive discharge.
- Overcurrent protection: The IC safeguards against excessive current flow, preventing damage to the battery and connected devices.
- Charging and discharging control: It regulates the charging and discharging processes to ensure optimal performance and safety.
Advantages and Disadvantages
Advantages
- Wide voltage range compatibility
- Low current consumption
- Accurate and adjustable detection voltages
- Compact package size
- Reliable overcharge, overdischarge, and overcurrent protection
Disadvantages
- Limited maximum charging and discharging currents (up to 2A)
Working Principles
The S-8254AAYFT-TB-U operates by continuously monitoring the battery voltage during charging and discharging. It compares the voltage with pre-set thresholds for overcharge, overdischarge, and overcurrent conditions. When any of these thresholds are exceeded, the IC triggers the corresponding protection mechanism, such as cutting off the charging or discharging circuit.
Detailed Application Field Plans
The S-8254AAYFT-TB-U is widely used in various portable electronic devices, including: - Smartphones - Tablets - Laptops - Digital cameras - Portable gaming consoles - Wearable devices
Detailed and Complete Alternative Models
- S-8254AAKFT-TB-G: Similar specifications and features, but with a different package type (Thin Small Outline Package - TSOP-8).
- S-8254ABYFT-TB-U: Higher maximum charging and discharging currents (up to 3A), suitable for power-hungry devices.
- S-8254ACDFT-TB-G: Enhanced overcurrent protection with adjustable release voltage levels.
These alternative models provide similar battery protection functionality, but with slight variations in package type, current handling capabilities, and additional features.
In conclusion, the S-8254AAYFT-TB-U is a versatile integrated circuit designed for battery protection in various electronic devices. Its compact size, wide voltage range compatibility, and reliable protection mechanisms make it an ideal choice for ensuring the safety and longevity of batteries in portable electronics.
Enumere 10 preguntas y respuestas comunes relacionadas con la aplicación de S-8254AAYFT-TB-U en soluciones técnicas
Sure! Here are 10 common questions and answers related to the application of S-8254AAYFT-TB-U in technical solutions:
Q: What is the S-8254AAYFT-TB-U? A: The S-8254AAYFT-TB-U is a battery protection IC designed for lithium-ion rechargeable batteries.
Q: What is the purpose of using the S-8254AAYFT-TB-U in technical solutions? A: The S-8254AAYFT-TB-U provides overcharge, over-discharge, and overcurrent protection for lithium-ion batteries, ensuring their safe operation.
Q: How does the S-8254AAYFT-TB-U protect against overcharging? A: The IC monitors the battery voltage and disconnects the charging circuit when it reaches a predetermined threshold, preventing overcharging.
Q: Can the S-8254AAYFT-TB-U protect against over-discharging as well? A: Yes, the IC also monitors the battery voltage during discharge and disconnects the load when it drops below a certain threshold, preventing over-discharging.
Q: Does the S-8254AAYFT-TB-U have any protection against overcurrent? A: Yes, the IC has built-in overcurrent protection that can disconnect the load when excessive current is detected, safeguarding the battery and the connected circuitry.
Q: What is the maximum voltage rating supported by the S-8254AAYFT-TB-U? A: The IC supports a maximum voltage rating of 16V.
Q: Can the S-8254AAYFT-TB-U be used with other types of batteries besides lithium-ion? A: No, the IC is specifically designed for lithium-ion batteries and may not be suitable for other battery chemistries.
Q: What is the operating temperature range of the S-8254AAYFT-TB-U? A: The IC can operate within a temperature range of -40°C to +85°C.
Q: Does the S-8254AAYFT-TB-U require any external components for its operation? A: Yes, the IC requires external resistors and capacitors for setting various protection thresholds and timing parameters.
Q: Is the S-8254AAYFT-TB-U available in a surface-mount package? A: Yes, the S-8254AAYFT-TB-U is available in a small and compact surface-mount package, making it suitable for space-constrained applications.
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.