S-8254AAVFT-TB-U

Product Overview

Category

The S-8254AAVFT-TB-U belongs to the category of voltage detectors and battery protection ICs.

Use

This product is primarily used for monitoring and protecting lithium-ion rechargeable batteries.

Characteristics

• Voltage detection range: 2.5V to 4.6V
• Low current consumption: 1.0µA (typ.)
• Built-in delay circuit for reliable detection
• Small package size: SOT-23-5
• RoHS compliant

Package

The S-8254AAVFT-TB-U is packaged in a small SOT-23-5 package, which allows for easy integration into various electronic devices.

Essence

The essence of the S-8254AAVFT-TB-U lies in its ability to accurately detect and protect lithium-ion batteries from overcharging, over-discharging, and short-circuit conditions.

Packaging/Quantity

This product is typically available in tape and reel packaging, with a quantity of 3000 units per reel.

Specifications

• Operating Voltage Range: 2.5V to 4.6V
• Quiescent Current: 1.0µA (typ.)
• Detection Accuracy: ±25mV (typ.)
• Delay Time: 100ms (typ.)
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

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

1. VDD: Power supply input
2. GND: Ground reference
3. OUT: Output terminal indicating battery status
4. EN: Enable pin for controlling the IC's operation
5. SEL: Selection pin for setting the over-discharge detection voltage

Functional Features

• Overcharge detection and protection
• Over-discharge detection and protection
• Short-circuit detection and protection
• Delay circuit for reliable detection
• Low power consumption
• Enable pin for easy control of the IC's operation

Advantages and Disadvantages

Advantages

• Accurate voltage detection
• Reliable protection against overcharging, over-discharging, and short-circuits
• Low power consumption
• Small package size for easy integration

Disadvantages

• Limited operating voltage range (2.5V to 4.6V)
• Requires external enable control

Working Principles

The S-8254AAVFT-TB-U operates by continuously monitoring the battery voltage. It compares the detected voltage with pre-set thresholds to determine if the battery is in a safe operating range. If an abnormal condition such as overcharging, over-discharging, or short-circuiting is detected, the IC triggers the appropriate protection mechanism to safeguard the battery.

Detailed Application Field Plans

The S-8254AAVFT-TB-U finds applications in various electronic devices that utilize lithium-ion rechargeable batteries. Some potential application fields include:

1. Portable consumer electronics (e.g., smartphones, tablets, portable gaming devices)
2. Wearable devices (e.g., smartwatches, fitness trackers)
3. Medical devices (e.g., portable medical monitors, insulin pumps)
4. Industrial equipment (e.g., handheld tools, measurement instruments)

Detailed and Complete Alternative Models

1. S-8254AABFT-TB-G: Similar to S-8254AAVFT-TB-U but with a different package (SSOP-5).
2. S-8254AACFT-TB-G: Similar to S-8254AAVFT-TB-U but with a wider operating voltage range (2.0V to 4.6V).
3. S-8254AADFT-TB-G: Similar to S-8254AAVFT-TB-U but with a higher detection accuracy (±10mV).

These alternative models offer similar functionality and can be considered as alternatives based on specific requirements and constraints.

Word count: 511 words