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:

1. VCC: Power supply input
2. GND: Ground
3. CHG: Charging control input
4. DSG: Discharging control input
5. OVP: Overvoltage protection output
6. OCP: Overcurrent protection output

Functional Features

1. Overcharge protection: The IC monitors the battery voltage and prevents it from exceeding a safe threshold, protecting against overcharging.
2. Overdischarge protection: It detects when the battery voltage drops below a certain level and cuts off the power supply to prevent excessive discharge.
3. Overcurrent protection: The IC safeguards against excessive current flow, preventing damage to the battery and connected devices.
4. 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

1. S-8254AAKFT-TB-G: Similar specifications and features, but with a different package type (Thin Small Outline Package - TSOP-8).
2. S-8254ABYFT-TB-U: Higher maximum charging and discharging currents (up to 3A), suitable for power-hungry devices.
3. 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.