S-8254AASFT-TB-G

Product Overview

Category

S-8254AASFT-TB-G 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 (typ.)
• Overcharge detection voltage: 4.25V to 4.35V (in 10mV steps)
• Overdischarge detection voltage: 2.3V to 3.0V (in 100mV steps)
• Overcurrent detection voltage: 0.06V to 0.3V (in 10mV steps)
• Short-circuit detection delay time: 5ms to 40ms (in 5ms steps)

Package

The S-8254AASFT-TB-G IC comes in a small and compact SSNT-8A package.

Essence

The essence of this product lies in its ability to protect batteries from overcharging, overdischarging, and overcurrent conditions.

Packaging/Quantity

The S-8254AASFT-TB-G IC is typically packaged in reels containing 3000 units per reel.

Specifications

• Operating temperature range: -40°C to +85°C
• Supply voltage range: 2.5V to 6.0V
• Standby current: 1µA (typ.)
• Overcharge detection voltage accuracy: ±25mV (typ.)
• Overdischarge detection voltage accuracy: ±100mV (typ.)
• Overcurrent detection voltage accuracy: ±10mV (typ.)

Detailed Pin Configuration

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

1. VCC: Supply voltage input
2. GND: Ground reference
3. CHG: Charging control input
4. DSG: Discharging control input
5. OCP: Overcurrent protection output
6. OVP: Overvoltage protection output
7. UVP: Undervoltage protection output
8. N/C: No connection

Functional Features

1. Overcharge Protection: The IC monitors the battery voltage and prevents overcharging by disconnecting the charging circuit when the voltage exceeds a predefined threshold.
2. Overdischarge Protection: It safeguards the battery from excessive discharge by interrupting the discharging circuit when the voltage drops below a certain level.
3. Overcurrent Protection: The IC detects high current conditions and shuts off the circuit to prevent damage to the battery or connected devices.
4. Short-Circuit Protection: It provides protection against short-circuits by quickly disconnecting the circuit in case of a fault.

Advantages and Disadvantages

Advantages

• Wide operating voltage range
• Low standby current consumption
• Accurate detection voltage levels
• Compact package size for space-constrained applications
• Reliable protection against overcharging, overdischarging, overcurrent, and short-circuit conditions

Disadvantages

• Limited availability of alternative models
• Relatively higher cost compared to simpler battery protection solutions

Working Principles

The S-8254AASFT-TB-G IC utilizes a combination of voltage monitoring, current sensing, and control logic to ensure effective battery protection. By continuously monitoring the battery voltage and comparing it with predefined thresholds, the IC can take appropriate actions to prevent overcharging, overdischarging, and overcurrent situations. The control outputs of the IC are used to disable the charging or discharging circuits when necessary, thereby safeguarding the battery and connected devices.

Detailed Application Field Plans

The S-8254AASFT-TB-G IC finds applications in various electronic devices that rely on rechargeable batteries, such as: - Smartphones and tablets - Portable gaming consoles - Wearable devices - Digital cameras - Power banks - Bluetooth speakers

Detailed and Complete Alternative Models

While the S-8254AASFT-TB-G IC is a reliable battery protection solution, there are alternative models available in the market that offer similar functionality. Some notable alternatives include: - S-8254AAKFT-TB-G - S-8254AABFT-TB-G - S-8254AACFT-TB-G

These alternative models may have slight variations in specifications or package options, but they serve the same purpose of battery protection.

In conclusion, the S-8254AASFT-TB-G IC is a versatile integrated circuit designed to protect batteries from overcharging, overdischarging, and overcurrent conditions. With its compact size, accurate detection levels, and wide operating voltage range, it is well-suited for various electronic devices. While alternative models exist, this IC remains a reliable choice for battery protection applications.