S-80819CNNB-B8ET2U

Product Overview

Category

S-80819CNNB-B8ET2U 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: 1.9V to 6.0V
• Low supply current: 0.7μA (typ.)
• High accuracy voltage detection: ±2%
• Built-in delay circuit: 200ms (typ.)
• Small package size: SOT-23-5

Package

The S-80819CNNB-B8ET2U is packaged in a SOT-23-5 package, which is a small surface-mount package with five pins.

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-80819CNNB-B8ET2U is typically available in reels containing 3000 units per reel.

Specifications

• Supply voltage range: 1.9V to 6.0V
• Operating temperature range: -40°C to +85°C
• Output type: Active low
• Quiescent current: 0.7μA (typ.)
• Accuracy: ±2%
• Delay time: 200ms (typ.)

Detailed Pin Configuration

The S-80819CNNB-B8ET2U has the following pin configuration:

```

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| | --| VDD|-- Pin 1: Supply Voltage --| VIN|-- Pin 2: Voltage Input --| GND|-- Pin 3: Ground --| RST|-- Pin 4: Reset Output --| NC |-- Pin 5: No Connection |____| ```

Functional Features

• Voltage detection: The S-80819CNNB-B8ET2U can accurately detect voltage levels within the specified range.
• Reset function: It provides a reset signal when the voltage falls below the detection threshold.
• Low power consumption: The product has a low quiescent current of 0.7μA, making it suitable for battery-powered devices.
• Built-in delay circuit: The integrated delay circuit ensures a stable reset signal is provided after the voltage returns to the normal range.

Advantages and Disadvantages

Advantages

• Wide voltage detection range
• High accuracy voltage detection
• Low power consumption
• Small package size
• Built-in delay circuit for stable reset signal

Disadvantages

• Limited pin configuration options
• No adjustable voltage detection threshold

Working Principles

The S-80819CNNB-B8ET2U operates by continuously monitoring the input voltage (VIN) and comparing it with a reference voltage. When the input voltage falls below the detection threshold, the reset output (RST) is activated, providing a signal to reset the connected device. The built-in delay circuit ensures that the reset signal remains stable for a specified duration (200ms) after the voltage returns to the normal range.

Detailed Application Field Plans

The S-80819CNNB-B8ET2U finds applications in various electronic devices where accurate voltage detection and reset functions are required. Some potential application fields include:

1. Battery-powered devices: This IC can be used in portable electronics, such as smartphones, tablets, and wearable devices, to monitor battery voltage and initiate a reset when necessary.
2. Power management systems: It can be incorporated into power supply units or voltage regulators to ensure proper functioning and protection against undervoltage conditions.
3. Industrial automation: The IC can be utilized in control systems to monitor voltage levels in critical equipment and trigger a reset if voltage drops below the specified threshold.

Detailed and Complete Alternative Models

1. S-80819CNNB-B8ET2G: Similar to S-80819CNNB-B8ET2U, but with an active-high reset output.
2. S-80819CNNB-B8ET2H: Provides adjustable voltage detection threshold through external resistors.
3. S-80819CNNB-B8ET2J: Offers extended temperature range (-40°C to +105°C) for harsh environments.

These alternative models provide similar functionality with slight variations to cater to specific requirements.

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