MCP1319T-28LE/OT

Product Overview

Category

The MCP1319T-28LE/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: 2.8V
• Low quiescent current: 1.5 µA (typical)
• Wide operating temperature range: -40°C to +125°C
• Small package size: SOT-23-3
• RoHS compliant

Package

The MCP1319T-28LE/OT is packaged in a small SOT-23-3 package, which makes it suitable for space-constrained applications.

Essence

The essence of this product lies in its ability to provide accurate voltage monitoring and reset generation for microcontrollers and other digital systems.

Packaging/Quantity

The MCP1319T-28LE/OT is typically available in reels containing 3000 units per reel.

Specifications

• Supply voltage range: 1.0V to 6.0V
• Threshold voltage accuracy: ±1.5%
• Reset timeout period: 140 ms (typical)
• Power-on reset delay: 20 ms (typical)
• Open-drain output
• Active-low reset signal

Detailed Pin Configuration

The MCP1319T-28LE/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 open-drain output pin provides the active-low reset signal.

Functional Features

• Accurate voltage monitoring: The MCP1319T-28LE/OT ensures precise monitoring of the supply voltage, preventing the microcontroller or digital system from operating outside the specified voltage range.
• Reset generation: It generates a reset signal when the supply voltage falls below the threshold voltage, ensuring proper system initialization.
• Low power consumption: With a low quiescent current of 1.5 µA, this device minimizes power consumption in battery-powered applications.
• Wide operating temperature range: The MCP1319T-28LE/OT can operate reliably in extreme temperature conditions, ranging from -40°C to +125°C.

Advantages and Disadvantages

Advantages

• Accurate voltage monitoring prevents system malfunction.
• Small package size allows for easy integration into space-constrained designs.
• Low power consumption prolongs battery life.
• Wide operating temperature range ensures reliability in harsh environments.

Disadvantages

• Limited voltage supervision range (2.8V).
• Open-drain output requires an external pull-up resistor for proper operation.

Working Principles

The MCP1319T-28LE/OT operates by comparing the supply voltage with a fixed threshold voltage. When the supply voltage drops below the threshold voltage, the reset signal is activated, indicating a power-on reset condition. This ensures that the microcontroller or digital system starts in a known state.

Detailed Application Field Plans

The MCP1319T-28LE/OT finds application in various fields, including: 1. Battery-powered devices: Ensures proper voltage monitoring and system initialization in portable electronics. 2. Industrial automation: Provides reliable voltage supervision in control systems and PLCs. 3. Automotive electronics: Monitors voltage levels in automotive systems, preventing damage due to voltage fluctuations. 4. Medical devices: Ensures accurate voltage monitoring in medical equipment, enhancing patient safety.

Detailed and Complete Alternative Models

1. MCP130T-300I/TT: Similar to MCP1319T-28LE/OT but with a higher voltage supervision range of 3.0V.
2. MCP130T-315I/TT: Offers a voltage supervision range of 3.15V, suitable for applications with higher voltage requirements.
3. MCP130T-450I/TT: Provides a voltage supervision range of 4.50V, ideal for systems operating at higher voltages.

These alternative models offer similar functionality to the MCP1319T-28LE/OT but with different voltage supervision ranges to cater to specific application needs.

In conclusion, the MCP1319T-28LE/OT is a voltage supervisor that offers accurate voltage monitoring and reset generation capabilities. With its small package size, low power consumption, and wide operating temperature range, it is suitable for various applications in different industries.