MCP1320T-46LE/OT

Product Overview

Category

The MCP1320T-46LE/OT belongs to the category of voltage supervisors.

Use

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

Characteristics

• Voltage threshold: 4.6V
• Low quiescent current: 1.5µA (typical)
• Wide operating voltage range: 1.0V to 10.0V
• Active-low reset output
• Manual reset input
• Power-on reset delay time: 150ms (typical)
• Open-drain output configuration
• Small package size: SOT-23-3
• RoHS compliant

Package and Quantity

The MCP1320T-46LE/OT is available in a small SOT-23-3 package. It is typically sold in reels containing 3000 units.

Specifications

• Supply Voltage Range: 1.0V to 10.0V
• Reset Threshold Voltage: 4.6V
• Quiescent Current: 1.5µA (typical)
• Reset Timeout Period: 150ms (typical)
• Operating Temperature Range: -40°C to +85°C
• Output Type: Open-drain

Pin Configuration

The MCP1320T-46LE/OT has three pins arranged as follows:

```

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| | --| VDD | --| /RESET| --| GND | |_______| ```

1. VDD: Connect this pin to the positive supply voltage.
2. /RESET: This pin provides an active-low reset signal when the monitored voltage drops below the threshold.
3. GND: Connect this pin to the ground reference.

Functional Features

• Voltage Monitoring: The MCP1320T-46LE/OT continuously monitors the supply voltage and generates a reset signal when it falls below the threshold.
• Manual Reset: The device includes a manual reset input that allows an external signal to force a reset condition.
• Low Power Consumption: With a quiescent current of only 1.5µA, this voltage supervisor minimizes power consumption in battery-powered applications.
• Open-Drain Output: The open-drain output configuration allows for flexibility in interfacing with other devices.

Advantages and Disadvantages

Advantages

• Wide operating voltage range enables compatibility with various electronic systems.
• Low quiescent current prolongs battery life in portable devices.
• Small package size facilitates space-constrained designs.
• RoHS compliance ensures environmental friendliness.

Disadvantages

• The fixed reset threshold may not be suitable for all applications requiring different voltage levels.
• Lack of adjustable timeout period limits customization options.

Working Principles

The MCP1320T-46LE/OT operates by comparing the supply voltage with the preset threshold value. When the voltage drops below the threshold, the device asserts an active-low reset signal. This signal remains active until the voltage rises above the threshold or a manual reset is triggered.

Application Field Plans

The MCP1320T-46LE/OT finds applications in various fields, including but not limited to: 1. Battery-powered devices: Ensuring proper operation and preventing damage due to low voltage conditions. 2. Industrial control systems: Monitoring power supply stability in critical equipment. 3. Automotive electronics: Protecting sensitive components from voltage fluctuations. 4. Home automation: Providing reliable voltage supervision in smart home devices. 5. Medical equipment: Ensuring uninterrupted operation and patient safety.

Alternative Models

For users seeking alternative voltage supervisors, the following models can be considered: 1. MCP1316T-29LE/OT: Similar features with a lower reset threshold of 2.9V. 2. MCP130T-300I/TT: Adjustable reset threshold and timeout period for increased flexibility. 3. MAX823TUS+T: Ultra-low quiescent current and adjustable reset threshold.

These alternative models offer different specifications and features to cater to specific application requirements.

In conclusion, the MCP1320T-46LE/OT is a voltage supervisor that provides reliable monitoring and control of power supply voltage in electronic systems. With its low power consumption, small package size, and wide operating voltage range, it offers advantages in various applications. However, its fixed reset threshold and lack of adjustable timeout period may limit customization options. Users can consider alternative models to meet specific needs.