S-8254AAOFT-TB-U

Product Overview

Category

The S-8254AAOFT-TB-U belongs to the category of integrated circuits (ICs) and is specifically designed for power management applications.

Use

This product is primarily used for battery protection in various electronic devices, such as smartphones, tablets, digital cameras, and portable gaming consoles.

Characteristics

• Battery protection: The S-8254AAOFT-TB-U provides reliable protection against overcharging, over-discharging, and short-circuiting of batteries.
• Low power consumption: This IC has a low quiescent current, ensuring minimal power loss during operation.
• Compact package: The S-8254AAOFT-TB-U is available in a small form factor package, making it suitable for space-constrained applications.
• High accuracy: It offers precise voltage detection and control, ensuring optimal battery performance.

Package

The S-8254AAOFT-TB-U is packaged in a compact and durable plastic casing, which protects the integrated circuit from external damage. The package dimensions are 5mm x 4mm x 1mm (L x W x H).

Essence

The essence of the S-8254AAOFT-TB-U lies in its ability to safeguard batteries from potential damage caused by improper charging or discharging, thereby prolonging their lifespan.

Packaging/Quantity

This product is typically sold in reels containing 3000 units per reel.

Specifications

• Input voltage range: 2.5V - 6.0V
• Overcharge detection voltage: 4.25V ± 0.05V
• Overdischarge detection voltage: 2.4V ± 0.08V
• Overcurrent detection voltage: 0.3V ± 0.05V
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

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

1. VCC: Power supply input
2. GND: Ground connection
3. BAT: Battery connection
4. OUT: Output for controlling external devices
5. CHG: Charging status output
6. DSG: Discharging status output

Functional Features

• Overcharge protection: The IC monitors the battery voltage and disconnects the charging circuit when the voltage exceeds the safe threshold.
• Overdischarge protection: It prevents the battery from discharging below a critical voltage, ensuring its longevity.
• Overcurrent protection: The S-8254AAOFT-TB-U detects excessive current flow and interrupts the circuit to prevent damage.
• Charging and discharging status indication: The CHG and DSG pins provide signals indicating the charging and discharging status of the battery.

Advantages and Disadvantages

Advantages

• Reliable battery protection
• Low power consumption
• Compact package size
• High accuracy in voltage detection

Disadvantages

• Limited input voltage range (2.5V - 6.0V)
• Operating temperature range may not be suitable for extreme environments

Working Principles

The S-8254AAOFT-TB-U operates by continuously monitoring the battery voltage during charging and discharging. It compares the voltage with predefined thresholds and triggers appropriate actions to protect the battery. When any abnormal condition is detected, such as overcharge or overdischarge, the IC interrupts the circuit to prevent further damage.

Detailed Application Field Plans

The S-8254AAOFT-TB-U finds applications in various electronic devices that rely on rechargeable batteries. Some potential application fields include: - Smartphones and tablets - Digital cameras - Portable gaming consoles - Wearable devices - Power banks

Detailed and Complete Alternative Models

1. S-8254AABFT-TB-U: Similar to the S-8254AAOFT-TB-U, but with a wider input voltage range of 2.0V - 6.5V.
2. S-8254AACFT-TB-U: Offers additional features like temperature monitoring and thermal shutdown protection.
3. S-8254AADFT-TB-U: Designed for higher current applications, suitable for power-hungry devices.

These alternative models provide similar battery protection functionalities but may have different specifications and additional features tailored to specific requirements.

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