S-8254ABFFT-TB-U

Product Overview

Category

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

Use

This IC is primarily 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)
• Short-circuit detection delay time: 10ms to 50ms (in 10ms steps)

Package and Quantity

The S-8254ABFFT-TB-U comes in a small form factor package, specifically a thin and compact TDFN-10 package. It is available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Operating temperature range: -40°C to +85°C
• Maximum charging current: 2A
• Maximum discharging current: 2A
• Protection functions: overcharge, overdischarge, overcurrent, short-circuit
• Standby current: 0.1µA (typical)
• Battery cell configuration: single-cell lithium-ion/polymer battery

Pin Configuration

The S-8254ABFFT-TB-U has a total of 10 pins, each serving a specific function. The detailed pin configuration is as follows:

| Pin Number | Pin Name | Function | |------------|----------|----------| | 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 | | 7 | SCD | Short-circuit detection output | | 8 | N/C | Not connected | | 9 | BAT | Battery connection | | 10 | VSS | Negative terminal of the battery |

Functional Features

• Overcharge protection: Prevents the battery from being overcharged, ensuring its longevity and safety.
• Overdischarge protection: Safeguards the battery by preventing it from discharging below a certain voltage threshold.
• Overcurrent protection: Detects excessive current flow and protects the battery and circuitry from damage.
• Short-circuit detection: Quickly detects and responds to short-circuits, preventing potential hazards.

Advantages

• Wide voltage range compatibility allows for versatile use in various electronic devices.
• Low current consumption ensures minimal power loss during operation.
• Compact package size enables space-saving designs in compact devices.
• Multiple protection functions provide comprehensive battery safety.

Disadvantages

• Limited maximum charging and discharging currents may not be suitable for high-power applications.
• The specific pin configuration may require careful consideration during circuit design.

Working Principles

The S-8254ABFFT-TB-U operates based on a combination of voltage monitoring and control circuits. It continuously monitors the battery voltage and compares it with predefined thresholds to trigger appropriate protection mechanisms. When any abnormal condition is detected, such as overcharge, overdischarge, overcurrent, or short-circuit, the IC takes necessary actions to protect the battery and connected circuitry.

Application Field Plans

The S-8254ABFFT-TB-U finds applications in a wide range of electronic devices that utilize single-cell lithium-ion or lithium-polymer batteries. Some potential application fields include: - Portable consumer electronics (e.g., smartphones, tablets, portable gaming devices) - Wearable devices (e.g., smartwatches, fitness trackers) - Medical devices - Industrial equipment

Alternative Models

For those seeking alternative options, the following models can be considered: - S-8254AAFT-TB-G - S-8254ACFT-TB-G - S-8254ADFT-TB-G

These models offer similar functionality and characteristics, providing flexibility in choosing the most suitable battery protection IC for specific applications.

In conclusion, the S-8254ABFFT-TB-U is a versatile integrated circuit designed for battery protection in various electronic devices. With its comprehensive protection features, wide voltage range compatibility, and compact package size, it offers reliable and efficient battery management solutions.

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