S-8204BAQ-TCT1U

Product Overview

Category

The S-8204BAQ-TCT1U belongs to the category of voltage protection ICs.

Use

This product is primarily used for protecting electronic devices from overvoltage and overcurrent conditions.

Characteristics

• Voltage protection range: 2.5V to 6.0V
• Overcurrent detection threshold: 100mA to 500mA (selectable)
• Low quiescent current: 1µA (typical)
• Small package size: SOT-23-5
• Reverse current blocking function
• Built-in thermal shutdown circuit

Package

The S-8204BAQ-TCT1U is packaged in a small outline transistor (SOT) package, specifically SOT-23-5.

Essence

The essence of this product lies in its ability to provide reliable protection against overvoltage and overcurrent situations, ensuring the safety and longevity of connected electronic devices.

Packaging/Quantity

The S-8204BAQ-TCT1U is typically available in reels containing 3000 units per reel.

Specifications

• Operating voltage range: 2.5V to 6.0V
• Overcurrent detection threshold options: 100mA, 200mA, 300mA, 400mA, 500mA
• Quiescent current: 1µA (typical), 3µA (maximum)
• Reverse current blocking voltage: 6.0V (minimum)
• Thermal shutdown temperature: 150°C (typical)

Detailed Pin Configuration

The S-8204BAQ-TCT1U has a total of five pins arranged as follows:

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Pin 1: VOUT - Output voltage Pin 2: GND - Ground Pin 3: VIN - Input voltage Pin 4: OCSET - Overcurrent detection threshold selection Pin 5: EN - Enable pin

Functional Features

• Overvoltage and overcurrent protection: The S-8204BAQ-TCT1U monitors the input voltage and current, providing protection by shutting down the output when these values exceed the specified thresholds.
• Reverse current blocking: This IC prevents reverse current flow from the output to the input, ensuring proper functionality and preventing damage to the connected devices.
• Thermal shutdown: In case of excessive temperature, the thermal shutdown circuit activates, protecting the IC from overheating.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various electronic devices.
• Selectable overcurrent detection thresholds provide flexibility for different applications.
• Low quiescent current minimizes power consumption.
• Small package size enables space-saving designs.
• Built-in thermal shutdown circuit enhances safety.

Disadvantages

• Limited to voltage protection and does not offer other advanced features.
• Requires external components for complete protection in complex systems.

Working Principles

The S-8204BAQ-TCT1U operates based on a combination of voltage and current monitoring. When the input voltage exceeds the set threshold or the input current surpasses the selected overcurrent detection level, the IC triggers a shutdown mechanism, disconnecting the output and protecting the connected devices. Additionally, the reverse current blocking function prevents undesired current flow.

Detailed Application Field Plans

The S-8204BAQ-TCT1U finds application in various electronic devices that require reliable voltage and current protection. Some potential fields of use include:

1. Battery-powered devices: Protects against overvoltage and overcurrent situations that may occur during charging or discharging processes.
2. Portable electronics: Safeguards sensitive components from potential damage caused by voltage spikes or excessive current.
3. Automotive electronics: Ensures the protection of critical systems against voltage fluctuations and overcurrent events.

Detailed and Complete Alternative Models

1. S-8204B Series: Offers similar voltage protection capabilities with different package options, such as SOT-89-5 and USP-6C.
2. S-8204C Series: Provides enhanced features like adjustable overcurrent detection thresholds and additional fault detection functions.
3. S-8204D Series: Designed for higher voltage applications, offering protection up to 18V.

Note: The above alternative models are just a few examples, and there are other alternatives available in the market.

In conclusion, the S-8204BAQ-TCT1U is a voltage protection IC that ensures the safety of electronic devices by monitoring input voltage and current. With its compact size, wide operating voltage range, and various overcurrent detection options, it offers reliable protection against overvoltage and overcurrent conditions. While it may have limitations in terms of advanced features, it serves as a crucial component in protecting electronic devices across various industries.