S-8254AAJFT-TB-U

Product Overview

Category

The S-8254AAJFT-TB-U belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used for battery protection in various electronic devices.

Characteristics

• The S-8254AAJFT-TB-U is a compact and highly efficient battery protection IC.
• It provides overcharge, over-discharge, and overcurrent protection for lithium-ion rechargeable batteries.
• This IC is designed to ensure the safe and reliable operation of battery-powered devices.
• It offers low power consumption and high accuracy in voltage detection.

Package

The S-8254AAJFT-TB-U is available in a small form factor package, making it suitable for space-constrained applications.

Essence

The essence of this product lies in its ability to safeguard lithium-ion batteries from potential damage caused by overcharging, over-discharging, and excessive current flow.

Packaging/Quantity

The S-8254AAJFT-TB-U is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Input Voltage Range: 2.5V - 6.0V
• Overcharge Detection Voltage: 3.9V ± 25mV
• Overdischarge Detection Voltage: 2.3V ± 100mV
• Overcurrent Detection Voltage: 0.1V ± 10mV
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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

1. VDD: Power supply input
2. GND: Ground connection
3. CHG: Charging status output
4. DSG: Discharging status output
5. OVP: Overvoltage protection output
6. OCP: Overcurrent protection output
7. VSS: Negative terminal of the battery
8. VDDP: Positive terminal of the battery

Functional Features

• Overcharge protection: The IC monitors the battery voltage and disconnects the charging circuit when the voltage exceeds the specified threshold.
• Overdischarge protection: It prevents the battery voltage from dropping below a safe level by cutting off the discharge circuit.
• Overcurrent protection: The IC detects excessive current flow and interrupts the circuit to prevent damage to the battery and connected devices.
• Charging and discharging status outputs: The IC provides signals indicating the charging and discharging status of the battery.
• Overvoltage and overcurrent protection outputs: These outputs can be used to trigger external actions, such as activating an alarm or shutting down the system.

Advantages and Disadvantages

Advantages

• Compact size allows for easy integration into various electronic devices.
• High accuracy in voltage detection ensures reliable battery protection.
• Low power consumption minimizes energy loss.
• Wide operating temperature range enables usage in extreme environments.

Disadvantages

• Limited compatibility with specific battery types.
• Requires additional external components for complete battery protection.

Working Principles

The S-8254AAJFT-TB-U operates based on a combination of voltage detection and control circuitry. It continuously monitors the battery voltage and compares it to predetermined thresholds for overcharge, overdischarge, and overcurrent conditions. When any of these conditions are detected, the IC takes appropriate action to protect the battery and connected devices.

Detailed Application Field Plans

The S-8254AAJFT-TB-U is widely used in various battery-powered applications, including but not limited to: - Portable electronic devices (e.g., smartphones, tablets, portable gaming consoles) - Wearable devices (e.g., smartwatches, fitness trackers) - Power banks and portable chargers - Electric vehicles and hybrid electric vehicles

Detailed and Complete Alternative Models

1. S-8254ABJFT-TB-U: Similar to the S-8254AAJFT-TB-U, but with additional features for enhanced battery protection.
2. S-8254ACJFT-TB-U: A higher voltage variant of the S-8254AAJFT-TB-U, suitable for applications requiring a wider input voltage range.
3. S-8254ADJFT-TB-U: Designed specifically for use in automotive applications, providing robust battery protection in harsh environments.

These alternative models offer similar functionality and can be considered based on specific application requirements.

In conclusion, the S-8254AAJFT-TB-U is a compact and efficient battery protection IC that ensures the safe operation of lithium-ion rechargeable batteries. With its advanced features and wide range of applications, it plays a crucial role in protecting batteries and enhancing the reliability of electronic devices.