S-8254AAGFT-TB-U

Product Overview

Category

S-8254AAGFT-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 current consumption: 1µA (typ.)
• Overcharge detection voltage: 3.9V to 4.4V (in 50mV steps)
• Overdischarge detection voltage: 2.0V to 3.0V (in 100mV steps)
• Overcurrent detection voltage: 20mV to 80mV (in 10mV steps)
• Short-circuit detection delay time: 5ms to 40ms (in 5ms steps)
• Package type: TSSOP-B8
• Essence: Battery protection and management

Packaging/Quantity

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

Specifications

• Operating voltage range: 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-8254AAGFT-TB-U IC has the following pin configuration:

| Pin Name | Description | |----------|-------------| | VCC | Power supply input | | GND | Ground | | BAT | Battery connection | | OUT | Output terminal | | SCL | Serial clock input | | SDA | Serial data input/output | | CE | Chip enable input | | RST | Reset input |

Functional Features

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

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited quantity per reel may require frequent reordering for large-scale production.
• Requires external components for complete battery protection implementation.

Working Principles

The S-8254AAGFT-TB-U IC works by continuously monitoring the battery voltage through its dedicated pins. It compares the voltage against pre-set thresholds for overcharge, overdischarge, and overcurrent conditions. When any of these conditions are detected, the IC takes appropriate action to protect the battery and the connected device. The short-circuit protection feature quickly shuts down the circuit in case of a short-circuit event.

Detailed Application Field Plans

The S-8254AAGFT-TB-U IC finds applications in various electronic devices that utilize rechargeable batteries. Some common application fields include:

1. Mobile phones and smartphones
2. Tablets and laptops
3. Portable gaming consoles
4. Power banks and portable chargers
5. Digital cameras and camcorders
6. Portable audio players
7. Wearable devices

Detailed and Complete Alternative Models

1. S-8254AAGFT-TB-G: Similar to S-8254AAGFT-TB-U, but available in a different package type (SSOP-B8).
2. S-8254AAGFT-TB-C: Offers additional features like temperature monitoring and thermal shutdown protection.
3. S-8254AAGFT-TB-E: Designed for high-temperature environments with an extended operating temperature range.

These alternative models provide similar battery protection functionality with slight variations in package type, additional features, or environmental suitability.

In conclusion, the S-8254AAGFT-TB-U IC is a versatile integrated circuit used for battery protection in various electronic devices. Its wide voltage range, low current consumption, and accurate protection mechanisms make it an ideal choice for ensuring the safety and longevity of rechargeable batteries.