S-8254AAWFT-TB-U

Product Overview

Category

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

Use

This product is commonly used in various electronic devices to manage power supply and battery charging functions.

Characteristics

• Integrated circuit
• Power management functionality
• Battery charging capability
• Compact package size
• High efficiency
• Low power consumption

Package

The S-8254AAWFT-TB-U is available in a small form factor package, which ensures easy integration into electronic devices. The package type is typically a thin small outline package (TSOP).

Essence

The essence of the S-8254AAWFT-TB-U lies in its ability to efficiently manage power supply and battery charging, ensuring optimal performance and extended battery life for electronic devices.

Packaging/Quantity

This product is usually packaged in reels or tubes, containing a specific quantity of ICs per package. The exact packaging and quantity may vary depending on the manufacturer's specifications.

Specifications

• Input voltage range: 3.5V - 6.0V
• Output voltage range: 4.2V - 4.4V
• Charging current: Up to 1A
• Operating temperature range: -40°C to +85°C
• Standby current: Less than 1µA
• Overcharge detection voltage: 4.25V ± 0.025V
• Overdischarge detection voltage: 2.4V ± 0.08V

Detailed Pin Configuration

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

1. VCC: Power supply input
2. GND: Ground reference
3. BAT: Battery connection
4. CHG: Charging control input
5. STAT: Charging status output

Functional Features

• Overcharge protection: The S-8254AAWFT-TB-U incorporates overcharge detection circuitry to prevent the battery from being charged beyond its safe limit.
• Overdischarge protection: It also includes overdischarge detection circuitry to protect the battery from being discharged below a critical voltage level.
• Charging control: The CHG pin allows for external control of the charging process, enabling flexibility in charging algorithms.
• Charging status indication: The STAT pin provides an output signal indicating the charging status, allowing for easy monitoring.

Advantages and Disadvantages

Advantages

• Efficient power management
• Reliable overcharge and overdischarge protection
• Compact size for easy integration
• Flexibility in charging control
• Clear charging status indication

Disadvantages

• Limited charging current capacity (up to 1A)
• Restricted input and output voltage ranges

Working Principles

The S-8254AAWFT-TB-U operates by continuously monitoring the battery voltage during the charging process. It compares the battery voltage with predefined thresholds to detect overcharge and overdischarge conditions. When an abnormal condition is detected, the IC takes appropriate actions to protect the battery.

Detailed Application Field Plans

The S-8254AAWFT-TB-U finds applications in various electronic devices that require efficient power management and battery charging. Some potential application fields include:

1. Mobile phones
2. Portable media players
3. Digital cameras
4. Handheld gaming devices
5. Wearable devices

Detailed and Complete Alternative Models

1. S-8254AABFT-TB-G: Similar functionality with different package type (SSOP)
2. S-8254AACFT-TB-G: Higher charging current capacity (up to 2A)
3. S-8254AADFT-TB-G: Extended input voltage range (up to 10V)

These alternative models offer similar power management and battery charging capabilities, catering to different requirements and preferences.

Note: The content provided above is a sample structure for an encyclopedia entry and may not reflect the actual specifications or details of the S-8254AAWFT-TB-U. Please refer to the manufacturer's documentation for accurate information.