S-80844CNUA-B85T2U

Product Overview

Category

S-80844CNUA-B85T2U 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
• Low supply current: 1.0µA (typ.)
• High accuracy voltage detection: ±2%
• Built-in delay circuit: 50ms, 100ms, 200ms, or 400ms
• Small package size: SOT-23-5

Package and Quantity

The S-80844CNUA-B85T2U IC is packaged in a SOT-23-5 package. It is available in tape and reel packaging with a quantity of 3000 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.)
• Accuracy: ±2%
• Delay time options: 50ms, 100ms, 200ms, 400ms

Detailed Pin Configuration

The S-80844CNUA-B85T2U IC has the following pin configuration:

```

---

| | --|----|-- |____|

1. VDD
2. GND
3. RESET
4. CT
5. OUT ```

Functional Features

1. Voltage Detection: The IC accurately detects the input voltage within the specified range.
2. Reset Function: When the detected voltage falls below the threshold, the RESET pin outputs a low signal, indicating a reset condition.
3. Delay Circuit: The built-in delay circuit allows for customizable delay times of 50ms, 100ms, 200ms, or 400ms.

Advantages and Disadvantages

Advantages

• Wide voltage detection range
• High accuracy voltage detection
• Low supply current consumption
• Small package size for space-constrained applications

Disadvantages

• Limited delay time options
• Active low output may not be suitable for all applications

Working Principles

The S-80844CNUA-B85T2U IC operates by continuously monitoring the input voltage. When the voltage falls below the specified threshold, the RESET pin outputs a low signal, triggering a reset condition in the connected system. The built-in delay circuit ensures that the reset signal remains stable for the selected delay time before returning to its normal state.

Detailed Application Field Plans

The S-80844CNUA-B85T2U IC finds applications in various electronic devices where voltage detection and reset functions are required. Some potential application fields include:

1. Microcontrollers: Used to monitor the power supply voltage and initiate a system reset if necessary.
2. Battery-Powered Devices: Ensures proper operation by detecting low battery voltage and triggering appropriate actions.
3. Industrial Control Systems: Provides voltage monitoring and reset functionality for critical control systems.
4. Automotive Electronics: Monitors voltage levels in automotive systems and triggers resets in case of voltage fluctuations.

Detailed and Complete Alternative Models

1. S-80845CNUA-B86T2U: Similar to S-80844CNUA-B85T2U but with a different delay time range (100ms, 200ms, 400ms, or 800ms).
2. S-80846CNUA-B87T2U: Offers additional features such as adjustable hysteresis and open-drain output.
3. S-80847CNUA-B88T2U: Provides a wider voltage detection range (1.0V to 6.0V) and higher accuracy (±1%).

These alternative models offer similar functionality with slight variations in specifications, catering to different application requirements.

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