S-8254ABEFT-TB-S

Product Overview

Category

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

Use

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

Characteristics

• Voltage range: 2.5V to 6.0V
• Low current consumption
• Overcharge detection voltage: 3.9V to 4.35V (adjustable)
• Overdischarge detection voltage: 2.0V to 3.1V (adjustable)
• Overcurrent detection voltage: 0.05V to 0.2V (adjustable)
• Short-circuit detection delay time: 5ms to 20ms (adjustable)
• Package type: TSSOP-B8
• Essence: Battery protection and management

Packaging/Quantity

The S-8254ABEFT-TB-S IC is typically packaged in a TSSOP-B8 package. It is available in reels, with a quantity of 3000 units per reel.

Specifications

• Operating voltage: 2.5V to 6.0V
• Operating temperature range: -40°C to +85°C
• Overcharge detection voltage accuracy: ±25mV
• Overdischarge detection voltage accuracy: ±100mV
• Overcurrent detection voltage accuracy: ±10mV
• Short-circuit detection delay time accuracy: ±5ms

Detailed Pin Configuration

The S-8254ABEFT-TB-S IC has the following pin configuration:

1. VCC: Power supply input
2. GND: Ground
3. CHG: Charge control input
4. DSG: Discharge control input
5. OVP: Overvoltage protection output
6. OCP: Overcurrent protection output
7. SC: Short-circuit detection output
8. N/C: Not connected

Functional Features

• Overcharge protection: The IC monitors the battery voltage and disconnects the charging circuit when it exceeds a certain threshold.
• Overdischarge protection: It prevents the battery voltage from dropping below a safe level by disconnecting the load when necessary.
• Overcurrent protection: The IC detects excessive current flow and interrupts the circuit to prevent damage to the battery or connected devices.
• Short-circuit protection: It quickly detects short-circuits and cuts off the current flow to protect the battery and other components.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various battery types.
• Adjustable detection voltages and delay time provide flexibility for different applications.
• Low current consumption helps conserve battery power.
• Compact TSSOP-B8 package enables space-saving designs.

Disadvantages

• Limited accuracy in voltage detection may affect precise battery management.
• Lack of built-in temperature monitoring for enhanced safety.

Working Principles

The S-8254ABEFT-TB-S IC works based on a combination of voltage monitoring and control signals. It continuously measures the battery voltage and compares it with predefined thresholds. When any of these thresholds are exceeded, the corresponding protection mechanism is triggered, disconnecting the charging or discharging circuit as required.

Detailed Application Field Plans

The S-8254ABEFT-TB-S IC finds applications in various electronic devices that utilize rechargeable batteries. Some common application fields include: - Mobile phones - Tablets - Portable gaming devices - Digital cameras - Portable medical devices - Power banks

Detailed and Complete Alternative Models

1. S-8254AAEFT-TB-G: Similar to S-8254ABEFT-TB-S, but with a different package type (TSSOP-B8).
2. S-8254ABEFT-TB-G: Similar to S-8254ABEFT-TB-S, but with a different package type (TSSOP-B8).

These alternative models offer similar functionality and characteristics, providing options for different PCB layouts or assembly preferences.

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