MCP1316T-46CE/OT

Product Overview

Category

The MCP1316T-46CE/OT belongs to the category of voltage supervisors.

Use

It is primarily used for monitoring and controlling the voltage levels in electronic circuits.

Characteristics

• Voltage supervision range: 4.6V
• Low quiescent current: 1.5µA (typical)
• Power-on reset delay time: 150ms (typical)
• Active-low reset output
• Small package size: SOT-23-3
• RoHS compliant

Package and Quantity

The MCP1316T-46CE/OT is available in a small SOT-23-3 package. It is typically sold in reels with a quantity of 3000 units per reel.

Specifications

• Supply voltage range: 1.0V to 5.5V
• Operating temperature range: -40°C to +125°C
• Reset threshold voltage: 4.6V (typical)
• Reset threshold accuracy: ±2.0% (maximum)
• Reset timeout period: 150ms (typical)
• Quiescent current: 1.5µA (typical)

Pin Configuration

The MCP1316T-46CE/OT has three pins arranged as follows:

```

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| | --| VDD |-- Pin 1 (Supply Voltage) --| /RESET|-- Pin 2 (Reset Output) --| GND |-- Pin 3 (Ground) |_______| ```

Functional Features

• Power-on reset generation: The MCP1316T-46CE/OT generates a reset signal when the supply voltage rises above the preset threshold.
• Active-low reset output: The reset output goes low when the supply voltage falls below the threshold, indicating a reset condition.
• Low quiescent current: The device consumes minimal current during normal operation, resulting in power savings.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems.
• Small package size enables space-saving designs.
• Low quiescent current minimizes power consumption.
• Accurate reset threshold ensures reliable voltage monitoring.

Disadvantages

• Fixed reset threshold may not be suitable for all applications requiring different voltage levels.
• Lack of adjustable timeout period limits flexibility in certain scenarios.

Working Principles

The MCP1316T-46CE/OT operates by continuously monitoring the supply voltage. When the voltage rises above the preset threshold (4.6V), the device generates a power-on reset signal. Conversely, if the voltage falls below the threshold, indicating a power loss or unstable condition, the reset output goes low. This behavior helps ensure proper system initialization and prevents erratic operation.

Detailed Application Field Plans

The MCP1316T-46CE/OT finds application in various electronic systems where voltage supervision is critical. Some potential fields of application include:

1. Microcontroller Systems: Ensuring stable power supply during startup and preventing data corruption.
2. Industrial Control Systems: Monitoring voltage levels to prevent damage to sensitive components.
3. Automotive Electronics: Providing reliable reset signals for safety-critical systems.
4. Battery-Powered Devices: Protecting against undervoltage conditions that can affect performance.

Alternative Models

For users seeking alternative options, the following models offer similar functionality:

1. MCP1316T-29LE/OT: Reset threshold of 2.9V, suitable for lower voltage applications.
2. MCP1316T-33LE/OT: Reset threshold of 3.3V, providing intermediate voltage monitoring.
3. MCP1316T-50LE/OT: Reset threshold of 5.0V, ideal for higher voltage systems.

These alternatives offer flexibility in selecting the appropriate reset threshold for specific application requirements.

In conclusion, the MCP1316T-46CE/OT is a voltage supervisor with a fixed reset threshold of 4.6V. It offers reliable power-on reset generation and active-low reset output. With its small package size and low quiescent current, it is suitable for various electronic systems requiring voltage monitoring and control.