S-80844CNPF-B85TFG

Product Overview

Category

S-80844CNPF-B85TFG 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: 100ms (typ.)

Package

The S-80844CNPF-B85TFG 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-80844CNPF-B85TFG IC is typically supplied in tape and reel packaging, with 3,000 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: 2.0V, 2.3V, 2.5V, 2.8V, 3.0V, 3.1V, 4.0V, 4.6V, 5.0V

Detailed Pin Configuration

The S-80844CNPF-B85TFG IC has the following pin configuration:

1. VDD (Supply voltage)
2. GND (Ground)
3. RESET (Reset output)
4. VOUT (Voltage detection output)
5. SENSE (Voltage detection threshold selection)

Functional Features

1. Voltage Detection: The IC accurately detects the input voltage level within the specified range.
2. Reset Signal Generation: When the detected voltage falls below the preset threshold, the IC generates a reset signal.
3. Built-in Delay Circuit: The IC includes a delay circuit to prevent false resets due to momentary voltage fluctuations.

Advantages and Disadvantages

Advantages

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

Disadvantages

• Limited reset threshold voltage options may not suit all application requirements.
• Active low output type may not be compatible with certain systems.

Working Principles

The S-80844CNPF-B85TFG IC operates by continuously monitoring the input voltage level through the SENSE pin. When the voltage drops below the preset threshold, the RESET pin is activated, generating a reset signal. The built-in delay circuit prevents false resets caused by temporary voltage fluctuations.

Detailed Application Field Plans

The S-80844CNPF-B85TFG IC finds applications in various electronic devices that require voltage monitoring and reset functionality. Some potential application fields include:

1. Microcontrollers: Ensuring proper system initialization and preventing data corruption during power supply fluctuations.
2. Battery-Powered Devices: Monitoring battery voltage levels and triggering actions when the battery needs replacement or recharging.
3. Industrial Control Systems: Providing reliable reset signals to ensure safe operation and prevent damage to equipment during power disturbances.
4. Automotive Electronics: Monitoring vehicle battery voltage and initiating appropriate actions to protect critical systems.

Detailed and Complete Alternative Models

1. S-80840CNPF-B85TFG: Similar to S-80844CNPF-B85TFG, but with a different voltage detection range (1.2V to 6.0V).
2. S-80845CNPF-B85TFG: Similar to S-80844CNPF-B85TFG, but with additional reset threshold voltage options.
3. S-80846CNPF-B85TFG: Similar to S-80844CNPF-B85TFG, but with a higher accuracy of ±1%.

These alternative models provide similar functionality and can be considered based on specific application requirements.

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