S-8254AANFT-TB-U

Product Overview

Category

S-8254AANFT-TB-U 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 power consumption
• Overcharge detection voltage: 3.9V to 4.35V
• Overdischarge detection voltage: 2.0V to 3.0V
• Overcurrent detection voltage: 0.1V to 0.3V
• Short-circuit detection delay time: 5ms to 20ms
• Package type: Thin Small Outline Package (TSOP)
• Essence: Battery protection and management

Packaging/Quantity

The S-8254AANFT-TB-U IC is typically packaged in reels or tubes, with a quantity of 3000 units per reel/tube.

Specifications

• Operating temperature: -40°C to +85°C
• Supply voltage: 2.5V to 6.0V
• Standby current: 0.1µA (typical)
• Overcharge detection voltage accuracy: ±25mV
• Overdischarge detection voltage accuracy: ±100mV
• Overcurrent detection voltage accuracy: ±30mV
• Short-circuit detection delay time accuracy: ±10ms

Detailed Pin Configuration

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

1. VCC: Power supply input
2. GND: Ground
3. BAT: Battery connection
4. CHG: Charging control input
5. DSG: Discharging control input
6. OVP: Overvoltage protection output
7. OCP: Overcurrent protection output
8. SC: Short-circuit detection output

Functional Features

• Overcharge protection: The IC monitors the battery voltage and prevents overcharging, which can damage the battery.
• Overdischarge protection: It detects when the battery voltage drops below a certain threshold and cuts off the power to prevent excessive discharge.
• Overcurrent protection: The IC safeguards against excessive current flow, protecting both the battery and the device.
• Short-circuit detection: It quickly detects short-circuits in the circuit and shuts down the power to prevent further damage.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various devices.
• Low power consumption helps conserve battery life.
• Accurate voltage detection ensures reliable protection.
• Compact TSOP package enables space-saving integration.

Disadvantages

• Limited to battery protection applications.
• Requires additional external components for complete battery management.

Working Principles

The S-8254AANFT-TB-U IC works by continuously monitoring the battery voltage during charging, discharging, and standby modes. It compares the voltage levels with predefined thresholds to detect overcharge, overdischarge, and overcurrent conditions. When any of these conditions are detected, the corresponding protection mechanism is activated, ensuring the safety and longevity of the battery.

Detailed Application Field Plans

The S-8254AANFT-TB-U IC finds applications in various electronic devices that rely on rechargeable batteries, such as: 1. Mobile phones 2. Tablets 3. Laptops 4. Portable gaming consoles 5. Power banks 6. Digital cameras 7. Bluetooth speakers 8. Wearable devices

Detailed and Complete Alternative Models

1. S-8254AANFT-TB-G: Similar to S-8254AANFT-TB-U, but with a different package type (SSOP).
2. S-8254AANFT-TB-C: Similar to S-8254AANFT-TB-U, but with extended temperature range (-40°C to +105°C).
3. S-8254AANFT-TB-Q: Similar to S-8254AANFT-TB-U, but with higher overcharge detection voltage accuracy (±10mV).

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

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