S-80851CNUA-B9CT2G

Product Overview

Category

S-80851CNUA-B9CT2G 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: 0.8V to 6.0V
• Low supply current: 1.0μA (typical)
• Small package size: SOT-23-5
• Built-in delay circuit for stable reset operation
• Wide operating temperature range: -40°C to +85°C

Package

The S-80851CNUA-B9CT2G 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-80851CNUA-B9CT2G lies in its ability to accurately detect voltage levels and provide reliable reset functionality, ensuring proper operation of electronic devices.

Packaging/Quantity

The S-80851CNUA-B9CT2G is typically supplied in reels, with 3,000 units per reel.

Specifications

• Supply voltage: 1.0V to 6.0V
• Detection voltage accuracy: ±2.0%
• Quiescent current: 1.0μA (typical), 2.0μA (maximum)
• Reset output: CMOS output
• Delay time: 100ms (typical), 200ms (maximum)

Detailed Pin Configuration

The S-80851CNUA-B9CT2G has a total of five pins arranged as follows:

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Pin Configuration: 1. VDD: Supply voltage input 2. GND: Ground reference 3. RESET: Reset output 4. MR: Manual reset input (optional) 5. VOUT: Voltage detection output

Functional Features

1. Voltage Detection: The S-80851CNUA-B9CT2G accurately detects the voltage level applied to its input pin, allowing for precise monitoring of power supply conditions.
2. Reset Function: Upon detecting a voltage below the specified threshold, the IC generates a reset signal, ensuring proper initialization and operation of connected electronic devices.
3. Delay Circuit: The built-in delay circuit ensures stable reset operation by providing a delay time before the reset signal is activated.

Advantages and Disadvantages

Advantages

• Wide operating voltage range allows compatibility with various power supply systems.
• Low quiescent current minimizes power consumption, making it suitable for battery-powered devices.
• Small package size enables space-saving integration into compact electronic devices.
• Accurate voltage detection enhances system reliability.

Disadvantages

• Limited number of pins may restrict the availability of additional functionalities.
• Manual reset input (MR) is optional, which may limit flexibility in certain applications.

Working Principles

The S-80851CNUA-B9CT2G operates based on a voltage divider network connected to the VDD pin. When the voltage at the VDD pin falls below the detection threshold, the internal comparator triggers the reset function, generating a low-level reset signal at the RESET pin. The built-in delay circuit ensures a stable reset operation by introducing a delay before activating the reset signal.

Detailed Application Field Plans

The S-80851CNUA-B9CT2G finds application in various electronic devices where reliable voltage detection and reset functionality are crucial. Some potential application fields include:

1. Microcontrollers: Ensuring proper initialization and reliable operation of microcontroller-based systems.
2. Power Management: Monitoring power supply conditions and triggering appropriate actions in case of voltage fluctuations or failures.
3. Consumer Electronics: Providing reset functionality to ensure correct operation of devices such as smartphones, tablets, and digital cameras.
4. Industrial Automation: Enabling reliable system initialization and recovery in industrial control systems.

Detailed and Complete Alternative Models

1. S-80850CNUA-B9CT2G: Similar to S-80851CNUA-B9CT2G but with a different detection voltage range (0.8V to 5.0V).
2. S-80852CNUA-B9CT2G: Similar to S-80851CNUA-B9CT2G but with a different detection voltage range (0.8V to 6.5V).
3. S-80853CNUA-B9CT2G: Similar to S-80851CNUA-B9CT2G but with a different detection voltage range (0.8V to 7.0V).

These alternative models provide flexibility in choosing the appropriate voltage detection range for