MCP1319MT-26EE/OT

Product Overview

Category

The MCP1319MT-26EE/OT belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage supervision range: 1.8V to 5.5V
• Low quiescent current: 1.6 µA (typical)
• Precision voltage monitor: ±1.5%
• Manual reset input
• Power-on reset delay time: 100 ms (typical)
• Active-low push-pull output
• Small package size: SOT-23-5

Package and Quantity

The MCP1319MT-26EE/OT is available in a SOT-23-5 package. It is typically sold in reels containing 3000 units.

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage Options: 2.63V, 2.93V, 3.08V, 4.38V
• Reset Timeout Period Options: 140 ms, 560 ms, 1120 ms, 2240 ms

Pin Configuration

The MCP1319MT-26EE/OT has the following pin configuration:

```

---

| | --| VDD | --| GND | --| MR | --| RESET | --| VOUT | |___________| ```

• VDD: Power supply input
• GND: Ground reference
• MR: Manual reset input
• RESET: Active-low push-pull reset output
• VOUT: Voltage monitor output

Functional Features

1. Voltage Monitoring: The MCP1319MT-26EE/OT continuously monitors the input voltage and provides a reset signal when it falls below the specified threshold.
2. Manual Reset: The manual reset input allows for an external reset signal to override the internal monitoring.
3. Precision Voltage Monitor: The voltage monitor output provides a precise indication of the monitored voltage level.
4. Power-On Reset Delay: The MCP1319MT-26EE/OT includes a delay circuit to ensure stable power-on reset operation.

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows for compatibility with various systems.
• Low quiescent current minimizes power consumption.
• Small package size enables space-saving designs.
• Precision voltage monitoring ensures accurate supervision.

Disadvantages

• Limited reset threshold voltage options may not suit all applications.
• Fixed reset timeout periods may not be adjustable for specific requirements.

Working Principles

The MCP1319MT-26EE/OT operates by continuously monitoring the input voltage using an internal voltage reference. When the voltage falls below the preset threshold, the device generates a reset signal. The reset signal remains active until the voltage rises above the threshold or a manual reset is triggered.

Application Field Plans

The MCP1319MT-26EE/OT finds application in various electronic systems that require reliable voltage monitoring and control. Some potential fields of application include:

1. Battery-Powered Devices: Ensuring proper voltage levels in portable devices to prevent unexpected shutdowns.
2. Industrial Control Systems: Monitoring power supply voltages in industrial automation equipment for enhanced system reliability.
3. Automotive Electronics: Supervising voltage levels in automotive systems to protect sensitive components from voltage fluctuations.
4. IoT Devices: Providing voltage supervision in Internet of Things (IoT) devices to maintain stable operation.

Alternative Models

1. MCP130T-300I/TT: Similar voltage supervisor with adjustable reset threshold and timeout options.
2. MAX809: Voltage supervisor with a wide range of reset threshold voltage options and adjustable timeout periods.
3. TPS3808: Precision voltage supervisor with programmable reset threshold and timeout settings.

These alternative models offer similar functionality to the MCP1319MT-26EE/OT and can be considered based on specific application requirements.

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