S-80851CLUA-B7CT2U

Product Overview

Category

S-80851CLUA-B7CT2U 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-89-5
• Built-in delay circuit: 200ms (typ.)

Package and Quantity

The S-80851CLUA-B7CT2U IC is packaged in a SOT-89-5 package. Each package contains one unit of the IC.

Essence

The essence of the S-80851CLUA-B7CT2U IC lies in its ability to accurately detect voltage levels within a specified range and provide a reset signal when necessary.

Specifications

• Supply Voltage Range: 1.6V to 6.0V
• Operating Temperature Range: -40°C to +85°C
• Output Type: Active low
• Reset Threshold Voltage Options: 2.3V, 2.5V, 2.8V, 3.0V, 4.0V, 4.6V, 5.0V

Detailed Pin Configuration

The S-80851CLUA-B7CT2U IC 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
5. VOUT: Voltage detection output

Functional Features

1. Voltage Detection: The IC monitors the input voltage and provides a reset signal when it falls below the specified threshold.
2. Active Low Reset Output: The RESET pin goes low when a voltage drop is detected, indicating the need for a system reset.
3. Manual Reset: The MR pin allows for manual resetting of the IC, overriding the automatic detection function.
4. Delay Circuit: The built-in delay circuit ensures a stable output by delaying the reset signal for 200ms.

Advantages and Disadvantages

Advantages

• Wide voltage detection range
• Accurate voltage detection with ±2% accuracy
• Low supply current consumption
• Small package size for space-constrained applications
• Built-in delay circuit for stable operation

Disadvantages

• Limited options for reset threshold voltage selection
• Requires external components for proper functioning

Working Principles

The S-80851CLUA-B7CT2U IC operates by continuously monitoring the input voltage. When the voltage falls below the specified threshold, the IC triggers a reset signal on the RESET pin. This signal can be used to initiate a system reset or perform other necessary actions. The built-in delay circuit ensures that the reset signal remains stable for 200ms, preventing false triggering due to voltage fluctuations.

Detailed Application Field Plans

The S-80851CLUA-B7CT2U IC finds applications in various electronic devices where voltage detection and reset functions are required. Some potential application fields include:

1. Microcontrollers: The IC can be used to monitor the power supply voltage of microcontrollers and initiate a reset if the voltage drops below a certain level.
2. Battery-Powered Devices: It can be employed in battery-powered devices to detect low battery voltage and trigger a warning or shutdown mechanism.
3. Industrial Control Systems: The IC can be integrated into industrial control systems to monitor power supply integrity and ensure safe operation.
4. Automotive Electronics: It finds use in automotive electronics to monitor critical voltages and initiate appropriate actions in case of voltage fluctuations.

Detailed and Complete Alternative Models

1. S-80850CLUA-B7CT2U: Similar to S-80851CLUA-B7CT2U, but with a different reset threshold voltage range.
2. S-80852CLUA-B7CT2U: Offers additional features such as adjustable reset delay time.
3. S-80853CLUA-B7CT2U: Provides a wider voltage detection range and higher accuracy.

These alternative models offer similar functionality to the S-80851CLUA-B7CT2U IC, catering to different voltage detection requirements and application scenarios.

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