S-8254AAPFT-TB-G

Product Overview

Category

S-8254AAPFT-TB-G belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Package: SOT-23-6
• Essence: Battery protection IC with overcharge, over-discharge, and short-circuit protection features.
• Packaging/Quantity: Available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

The specifications of S-8254AAPFT-TB-G are as follows:

• Operating Voltage Range: 2.5V to 5.5V
• Overcharge Detection Voltage: 3.9V ± 25mV
• Overcharge Release Voltage: 3.7V ± 75mV
• Overdischarge Detection Voltage: 2.3V ± 100mV
• Overdischarge Release Voltage: 2.9V ± 100mV
• Short-Circuit Detection Delay Time: 10ms to 50ms
• Short-Circuit Detection Voltage: 0.1V ± 20mV

Detailed Pin Configuration

The pin configuration of S-8254AAPFT-TB-G is as follows:

1. VDD: Power supply input
2. GND: Ground
3. CHG: Charge control terminal
4. DOUT: Open-drain output indicating the battery status
5. STAT: Status output terminal
6. EN: Enable control terminal

Functional Features

• Overcharge Protection: Monitors the battery voltage and prevents it from exceeding the safe limit.
• Overdischarge Protection: Prevents the battery voltage from dropping below the safe threshold.
• Short-Circuit Protection: Detects and protects against short-circuits in the battery circuit.
• Charge Control: Controls the charging process to ensure safe and efficient charging.

Advantages and Disadvantages

Advantages

• Comprehensive protection features for battery safety.
• Compact SOT-23-6 package for space-constrained applications.
• Wide operating voltage range allows compatibility with various battery types.
• Low power consumption.

Disadvantages

• Limited maximum current handling capability.
• Requires external components for complete battery protection.

Working Principles

S-8254AAPFT-TB-G works by continuously monitoring the battery voltage during charging and discharging. It compares the voltage levels with predefined thresholds to detect overcharge, overdischarge, and short-circuit conditions. When any of these conditions are detected, the IC takes appropriate actions to protect the battery, such as disconnecting the charging source or cutting off the load.

Detailed Application Field Plans

S-8254AAPFT-TB-G finds applications in a wide range of electronic devices that utilize rechargeable batteries. Some of the common application fields include:

1. Mobile Phones: Protects the battery from overcharging and overdischarging, ensuring longer battery life.
2. Laptops and Tablets: Safeguards the battery during charging and discharging processes, preventing damage due to voltage fluctuations.
3. Power Banks: Provides comprehensive battery protection to ensure safe and reliable charging of portable devices.
4. Portable Medical Devices: Ensures the integrity and longevity of the battery used in medical equipment, enhancing patient safety.

Detailed and Complete Alternative Models

1. S-8254AABFT-TB-G: Similar battery protection IC with additional temperature monitoring feature.
2. S-8254AACFT-TB-G: Battery protection IC with adjustable overcharge and overdischarge detection voltages.
3. S-8254AADFT-TB-G: Battery protection IC with built-in MOSFETs for simplified circuit design.

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

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