MCP1317T-31LE/OT

Product Overview

Category

The MCP1317T-31LE/OT belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage supervision range: 3.1V
• Low quiescent current: 1.5 µA (typical)
• Wide operating voltage range: 1.0V to 6.0V
• Active-low reset output
• Manual reset input
• Power-on reset delay time: 250 ms (typical)
• Small package size: SOT-23-3
• RoHS compliant

Package

The MCP1317T-31LE/OT is available in a small SOT-23-3 package, which is suitable for space-constrained applications.

Essence

The essence of the MCP1317T-31LE/OT is its ability to monitor and control voltage levels, ensuring stable operation of electronic circuits.

Packaging/Quantity

This product is typically packaged in reels, with 3000 units per reel.

Specifications

• Supply Voltage Range: 1.0V to 6.0V
• Reset Threshold Voltage: 3.1V
• Quiescent Current: 1.5 µA (typical)
• Operating Temperature Range: -40°C to +85°C
• Power-On Reset Delay Time: 250 ms (typical)

Detailed Pin Configuration

The MCP1317T-31LE/OT has three pins:

1. VDD: This pin is connected to the power supply voltage.
2. GND: This pin is connected to the ground.
3. RESET: This pin provides an active-low reset signal.

Functional Features

• Voltage Monitoring: The MCP1317T-31LE/OT continuously monitors the voltage level and generates a reset signal when it falls below the threshold.
• Manual Reset: The device includes a manual reset input that allows for external control of the reset function.
• Low Power Consumption: With a quiescent current of only 1.5 µA, this voltage supervisor minimizes power consumption in battery-powered applications.
• Wide Operating Voltage Range: The MCP1317T-31LE/OT can operate within a wide voltage range, making it suitable for various electronic systems.

Advantages and Disadvantages

Advantages

• Accurate Voltage Monitoring: The MCP1317T-31LE/OT provides precise voltage monitoring, ensuring reliable operation of electronic circuits.
• Low Power Consumption: Its low quiescent current helps conserve power in energy-sensitive applications.
• Small Package Size: The SOT-23-3 package allows for easy integration into space-constrained designs.

Disadvantages

• Single Threshold Voltage: This voltage supervisor has a fixed threshold voltage of 3.1V, limiting its flexibility in certain applications requiring different voltage levels.

Working Principles

The MCP1317T-31LE/OT operates by comparing the supply voltage with the preset threshold voltage. When the supply voltage drops below the threshold, the device generates an active-low reset signal. This signal can be used to initiate system resets or trigger specific actions in the circuit.

Detailed Application Field Plans

The MCP1317T-31LE/OT finds applications in various fields, including:

1. Battery-Powered Devices: It ensures proper voltage monitoring and system reset functionality in portable electronics, such as smartphones, tablets, and wearables.
2. Industrial Control Systems: The voltage supervisor is used in industrial automation and control systems to maintain stable operation and prevent damage due to voltage fluctuations.
3. Automotive Electronics: It plays a crucial role in automotive applications, providing voltage supervision for critical systems like engine control units (ECUs) and safety modules.

Detailed and Complete Alternative Models

1. MCP1316T-29LE/OT: This alternative model offers a lower threshold voltage of 2.9V, suitable for applications requiring a different voltage level.
2. MCP1318T-33LE/OT: With a higher threshold voltage of 3.3V, this alternative model is ideal for circuits operating at a higher voltage range.

In conclusion, the MCP1317T-31LE/OT is a voltage supervisor that ensures stable operation of electronic circuits by monitoring and controlling voltage levels. Its low power consumption, small package size, and wide operating voltage range make it suitable for various applications. However, its fixed threshold voltage may limit its flexibility in certain scenarios.