S-80944CNNB-G9ET2U

Product Overview

Category

S-80944CNNB-G9ET2U 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: 1.6V to 5.0V
• Low supply current: 0.7μA (typical)
• High accuracy: ±1.0% (at 25°C)
• Small package size: SOT-23-5
• RoHS compliant

Package

The S-80944CNNB-G9ET2U 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 this product 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 monitoring the power supply voltage.

Packaging/Quantity

The S-80944CNNB-G9ET2U is typically available in reels containing 3,000 units per reel.

Specifications

• Supply voltage range: 1.6V to 5.5V
• Operating temperature range: -40°C to +85°C
• Output type: Active low
• Quiescent current: 0.7μA (typical)
• Reset threshold voltage options: 2.93V, 3.08V, 3.15V, 4.63V, 4.38V, 4.75V (selectable)

Detailed Pin Configuration

The S-80944CNNB-G9ET2U 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

• Voltage detection: The S-80944CNNB-G9ET2U can accurately detect the voltage level applied to the SENSE pin within the specified range.
• Reset signal generation: When the detected voltage falls below the threshold, the RESET pin outputs a low signal, indicating the need for a system reset.
• Low power consumption: With a quiescent current of only 0.7μA, this IC minimizes power consumption in electronic devices.

Advantages and Disadvantages

Advantages

• Wide voltage detection range allows compatibility with various power supply systems.
• High accuracy ensures reliable voltage monitoring.
• Small package size enables integration into space-constrained designs.
• Low power consumption prolongs battery life in portable devices.

Disadvantages

• Limited reset threshold voltage options may not cover all specific application requirements.
• Lack of additional features such as hysteresis or adjustable delay limits customization possibilities.

Working Principles

The S-80944CNNB-G9ET2U operates based on a voltage divider network connected to the SENSE pin. It compares the divided voltage with an internal reference voltage to determine if it falls below the set threshold. When the voltage drops below the threshold, the RESET pin is activated, triggering a system reset.

Detailed Application Field Plans

The S-80944CNNB-G9ET2U finds applications in various electronic devices that require voltage monitoring and reset functionality. Some potential application fields include:

1. Microcontrollers and microprocessors: Ensuring stable operation by monitoring the power supply voltage and initiating a reset when necessary.
2. Battery-powered devices: Extending battery life by detecting low voltage levels and triggering power-saving modes or shutdown sequences.
3. Industrial control systems: Providing reliable voltage monitoring for critical components and initiating system resets in case of power supply fluctuations.
4. Automotive electronics: Ensuring proper functioning of electronic systems by monitoring the vehicle's power supply voltage and triggering resets if needed.

Detailed and Complete Alternative Models

1. S-80942CNNB-G9ET2U: Similar to S-80944CNNB-G9ET2U but with a different reset threshold voltage range.
2. S-80945CNNB-G9ET2U: Similar to S-80944CNNB-G9ET2U but with additional hysteresis functionality.
3. S-80946CNNB-G9ET2U: Similar to S-80944CNNB-G9ET2U but with adjustable delay feature for reset signal generation.

These alternative models provide flexibility in selecting the most suitable IC based on specific application requirements.

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