S-80849CNPF-B9ATFU

Product Overview

Category

S-80849CNPF-B9ATFU belongs to the category of integrated circuits (ICs).

Use

This IC is commonly used in electronic devices for voltage detection and reset functions.

Characteristics

• Voltage detection range: 1.6V to 6.0V
• Accuracy: ±2%
• Low supply current: 1.0μA (typ.)
• Small package size: SOT-23-5
• Built-in delay circuit: 200ms (typ.)

Package

The S-80849CNPF-B9ATFU IC is packaged in a small outline transistor (SOT) package, specifically SOT-23-5.

Essence

The essence of this product lies in its ability to accurately detect voltage levels within a specified range and provide a reset signal when necessary.

Packaging/Quantity

The S-80849CNPF-B9ATFU IC is typically supplied in tape and reel packaging, with 3000 units per reel.

Specifications

• Supply voltage range: 1.6V to 6.0V
• Operating temperature range: -40°C to +85°C
• Output type: Active low
• Quiescent current: 1.0μA (typ.)
• Reset threshold voltage options: 2.3V, 2.8V, 3.1V, 4.0V, 4.6V, 5.0V

Detailed Pin Configuration

The S-80849CNPF-B9ATFU IC has the following pin configuration:

```

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| | --|----|-- VDD --|----|-- GND --|----|-- RESET --|____| ```

• VDD: Power supply input
• GND: Ground reference
• RESET: Active low reset output

Functional Features

1. Voltage Detection: The IC accurately detects the input voltage level within the specified range.
2. Reset Function: When the detected voltage falls below the threshold, the IC provides an active low reset signal.
3. Built-in Delay Circuit: The IC incorporates a delay circuit to ensure stable operation and prevent false resets.

Advantages and Disadvantages

Advantages

• Wide voltage detection range allows for versatile applications.
• Low supply current minimizes power consumption.
• Small package size enables space-saving designs.
• Built-in delay circuit ensures reliable operation.

Disadvantages

• Limited reset threshold voltage options may not suit all applications.
• Active low reset output may require additional circuitry for certain systems.

Working Principles

The S-80849CNPF-B9ATFU IC operates based on a voltage divider network connected to the VDD pin. The internal comparator compares the divided voltage with the preset threshold voltage. When the input voltage drops below the threshold, the reset output is activated, indicating a low voltage condition.

Detailed Application Field Plans

The S-80849CNPF-B9ATFU IC finds applications in various electronic devices that require voltage monitoring and reset functionality. Some potential application fields include:

1. Battery-Powered Devices: Used to monitor battery voltage and initiate system reset when the battery voltage drops below a certain level.
2. Microcontroller Systems: Provides a reset signal to the microcontroller when the power supply voltage falls outside the acceptable range.
3. Industrial Control Systems: Ensures proper functioning of control circuits by resetting them in case of voltage fluctuations or power interruptions.

Detailed and Complete Alternative Models

1. S-80849CNPF-B9CTFU: Similar to S-80849CNPF-B9ATFU but with a different reset threshold voltage option.
2. S-80849CNPF-B9DTFU: Offers a wider voltage detection range and additional reset threshold voltage options.
3. S-80849CNPF-B9FTFU: Provides enhanced accuracy and lower quiescent current compared to the base model.

These alternative models offer similar functionality with slight variations in specifications, catering to different application requirements.

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