S-80820CNPF-B8FTFU

Product Overview

Category

S-80820CNPF-B8FTFU belongs to the category of integrated circuits (ICs).

Use

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

Characteristics

• Voltage detection range: 1.2V to 6.0V
• Accuracy: ±2%
• Low current consumption: 1.0µA (typical)
• Small package size: SOT-23-5
• Built-in delay circuit: 200ms (typical)

Package

The S-80820CNPF-B8FTFU is packaged in a small outline transistor (SOT) package, specifically SOT-23-5. This package provides compactness and ease of integration into various electronic devices.

Essence

The essence of S-80820CNPF-B8FTFU lies in its ability to accurately detect voltage levels within a specified range and provide a reset signal when necessary. It ensures stable operation of electronic devices by preventing malfunctions caused by insufficient or excessive voltage.

Packaging/Quantity

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

Specifications

• Supply voltage range: 1.2V to 6.0V
• Detection voltage options: 2.0V, 2.3V, 2.5V, 2.7V, 3.0V, 3.1V, 4.0V, 4.3V, 4.5V, 4.7V, 5.0V, 5.5V
• Output type: N-channel open-drain
• Operating temperature range: -40°C to +85°C

Detailed Pin Configuration

The S-80820CNPF-B8FTFU has the following pin configuration:

1. VDD (Supply Voltage)
2. GND (Ground)
3. RESET (Reset Output)
4. SENSE (Voltage Detection Input)
5. NC (No Connection)

Functional Features

• Accurate voltage detection: The S-80820CNPF-B8FTFU can detect voltage levels within a specified range with an accuracy of ±2%.
• Reset function: When the detected voltage falls below the specified threshold, the reset output is activated, providing a signal to reset the connected device.
• Low power consumption: With a typical current consumption of 1.0µA, this IC minimizes power usage, making it suitable for battery-powered devices.
• Built-in delay circuit: The integrated delay circuit ensures a stable reset signal by introducing a 200ms delay after the voltage returns to the normal range.

Advantages and Disadvantages

Advantages

• Wide voltage detection range allows for versatile applications.
• Accurate voltage detection helps prevent malfunctions caused by insufficient or excessive voltage.
• Low power consumption prolongs battery life in portable devices.
• Compact package size enables easy integration into various electronic devices.

Disadvantages

• Limited number of available detection voltage options may not meet specific requirements in some applications.
• Open-drain output requires additional components for certain circuit configurations.

Working Principles

The S-80820CNPF-B8FTFU operates based on a voltage divider network connected to the SENSE pin. When the input voltage exceeds the detection threshold, the internal comparator activates the reset output. The reset signal remains active until the voltage drops below the threshold and the built-in delay circuit ensures stability by introducing a delay before deactivating the reset signal.

Detailed Application Field Plans

The S-80820CNPF-B8FTFU finds application in various electronic devices that require voltage monitoring and reset functionality. Some potential application fields include:

1. Battery-powered devices: This IC can be used in portable electronic devices, such as smartphones, tablets, and wearable devices, to monitor battery voltage and initiate a reset when necessary.
2. Industrial automation: In industrial control systems, the S-80820CNPF-B8FTFU can ensure stable operation by monitoring power supply voltages and triggering resets in case of voltage fluctuations or failures.
3. Automotive electronics: The product can be employed in automotive applications to monitor critical voltages and provide reset signals for safety-critical systems, such as engine control units (ECUs) and airbag modules.

Detailed and Complete Alternative Models

1. S-80820CNNP-B8XT2G: Similar to S-80820CNPF-B8FTFU, this model offers a different package option (SOT-89-5) while providing the same voltage detection range and accuracy.
2. S-80820CNMC-B8KT2G: This alternative model features a smaller package size (SOT-723) and lower current consumption, making it suitable for space-constrained and low-power