MCP1319MT-33AE/OT

Product Overview

Category

The MCP1319MT-33AE/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: 3.3V
• 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: 150 ms (typical)
• Small package size: SOT-23-5

Package and Quantity

The MCP1319MT-33AE/OT is available in a small SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Supply Voltage Range: 1.0V to 6.0V
• Reset Threshold Voltage: 3.3V (±2%)
• Reset Timeout Period: 150 ms (typical)
• Quiescent Current: 1.5 µA (typical)
• Operating Temperature Range: -40°C to +125°C

Pin Configuration

The MCP1319MT-33AE/OT has a total of five pins:

1. VDD: Supply voltage input
2. GND: Ground reference
3. MR: Manual reset input
4. RESET: Active-low reset output
5. NC: No connection (unused pin)

Functional Features

1. Voltage Monitoring: The MCP1319MT-33AE/OT continuously monitors the supply voltage and generates a reset signal when it falls below the specified threshold.
2. Manual Reset Input: The manual reset input allows external control over the reset function, enabling system initialization or recovery.
3. Active-Low Reset Output: The active-low reset output provides a signal to the system indicating that the supply voltage is within the acceptable range.
4. Power-On Reset Delay: The MCP1319MT-33AE/OT incorporates a power-on reset delay circuit to ensure stable operation during power-up.

Advantages and Disadvantages

Advantages

• Low quiescent current consumption helps conserve power in battery-operated devices.
• Wide operating voltage range allows compatibility with various electronic systems.
• Small package size enables space-saving designs.
• Manual reset input offers flexibility in system control.

Disadvantages

• Limited reset threshold options, as it is specifically designed for 3.3V applications.
• No adjustable reset timeout period, which may not suit all system requirements.

Working Principles

The MCP1319MT-33AE/OT operates by comparing the supply voltage with the preset threshold. When the voltage drops below the threshold, the internal circuitry triggers the active-low reset output, signaling a system reset. The manual reset input can also be used to initiate a reset externally.

Application Field Plans

The MCP1319MT-33AE/OT finds application in various fields, including but not limited to: - Battery-powered devices - Embedded systems - Industrial automation - Consumer electronics - Medical equipment

Alternative Models

1. MCP1316MT-29LE/OT: Similar to MCP1319MT-33AE/OT, but with a lower reset threshold of 2.9V.
2. MCP1318MT-29LE/OT: Similar to MCP1319MT-33AE/OT, but with a lower reset threshold of 2.9V and an adjustable reset timeout period.

These alternative models provide options for different voltage requirements and additional features.

In conclusion, the MCP1319MT-33AE/OT is a voltage supervisor IC that offers reliable voltage monitoring and reset functionality. Its low power consumption, wide operating voltage range, and compact package make it suitable for various applications in different industries. However, its fixed reset threshold and timeout period may limit its compatibility with certain system requirements. Alternative models with different specifications are available to cater to specific needs.