S-80851CLY-B2-U

Product Overview

Category

S-80851CLY-B2-U belongs to the category of integrated circuits (ICs).

Use

This product is primarily used for voltage detection and reset functions in electronic devices.

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-80851CLY-B2-U 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 and provide a reset signal to the connected device.

Packaging/Quantity

The S-80851CLY-B2-U is typically available in reels containing 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-80851CLY-B2-U has the following pin configuration:

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

Functional Features

1. Voltage Detection: The S-80851CLY-B2-U can accurately detect the voltage level within the specified range.
2. Reset Function: It provides an active low reset signal to the connected device when the voltage falls below the threshold.
3. Built-in Delay Circuit: The product includes a delay circuit that ensures a stable reset signal is provided for 100ms (typ.) after the voltage rises above the threshold.

Advantages and Disadvantages

Advantages

• Wide voltage detection range
• Low supply current consumption
• Small package size for space-constrained applications
• Accurate voltage detection with ±2% accuracy

Disadvantages

• Limited reset threshold voltage options
• Manual reset input (MR) is optional, which may limit flexibility in certain applications

Working Principles

The S-80851CLY-B2-U operates by continuously monitoring the supply voltage. When the voltage falls below the preset threshold, the reset output becomes active low, indicating a power-on reset condition. The built-in delay circuit ensures a stable reset signal is provided for a specific duration, allowing the connected device to properly initialize before resuming normal operation.

Detailed Application Field Plans

The S-80851CLY-B2-U finds applications in various electronic devices where voltage monitoring 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 Systems: Protecting sensitive components from undervoltage conditions and facilitating safe power cycling.
3. Battery-Powered Devices: Monitoring battery voltage levels and triggering appropriate actions when the battery is low.
4. Industrial Control Systems: Providing reliable reset signals to critical control units in industrial automation environments.

Detailed and Complete Alternative Models

1. S-80850CLY-B2-T: Similar to S-80851CLY-B2-U, but with a different package (SOT-89-5).
2. S-80852CLY-B2-U: Offers additional reset threshold voltage options for more flexibility.
3. S-80853CLY-B2-U: Provides a wider supply voltage range and higher accuracy.

These alternative models offer similar functionality with slight variations in package type, reset threshold options, and other specifications.

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