MCP102T-315E/LB

Product Overview

Category

The MCP102T-315E/LB belongs to the category of integrated circuits (ICs).

Use

This product is commonly used as a voltage supervisor or reset controller in various electronic devices.

Characteristics

• Voltage monitoring: The MCP102T-315E/LB can monitor the voltage level and provide a reset signal when it falls below a certain threshold.
• Low power consumption: This IC is designed to consume minimal power, making it suitable for battery-powered applications.
• Wide operating voltage range: It can operate within a wide voltage range, typically from 1.6V to 5.5V.
• Adjustable reset threshold: The reset threshold voltage can be adjusted using external resistors.
• Small package size: The MCP102T-315E/LB is available in a small SOT-23-3 package.

Package and Quantity

The MCP102T-315E/LB is packaged in a SOT-23-3 package. It is typically sold in reels containing a specified quantity of ICs.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Range: Adjustable with external resistors
• Operating Temperature Range: -40°C to +125°C
• Quiescent Current: Typically 5µA
• Output Type: Active-low push-pull
• Package Type: SOT-23-3

Detailed Pin Configuration

The MCP102T-315E/LB has three pins:

1. VDD: This pin is connected to the positive supply voltage.
2. GND: This pin is connected to the ground or negative supply voltage.
3. RESET: This pin provides an active-low reset signal when the monitored voltage falls below the threshold.

Functional Features

• Voltage Monitoring: The MCP102T-315E/LB continuously monitors the supply voltage and generates a reset signal when it drops below the set threshold.
• Adjustable Threshold: The reset threshold voltage can be adjusted by connecting external resistors to the IC.
• Power-On Reset: The IC provides a reset signal upon power-up, ensuring proper initialization of the system.
• Manual Reset Input: An additional pin allows for manual resetting of the device.

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered applications.
• Wide operating voltage range enables compatibility with various systems.
• Small package size allows for space-saving designs.
• Adjustable reset threshold provides flexibility in different applications.

Disadvantages

• Lack of built-in hysteresis may result in potential noise-related issues.
• Limited number of pins restricts the availability of additional features.

Working Principles

The MCP102T-315E/LB operates by comparing the supply voltage with the set threshold voltage. When the supply voltage falls below the threshold, the reset output is activated, indicating a low-voltage condition. This reset signal remains active until the supply voltage rises above the threshold again.

Detailed Application Field Plans

The MCP102T-315E/LB finds applications in various fields, including:

1. Battery-Powered Devices: It ensures proper operation and prevents damage due to low voltage conditions in portable electronics, such as smartphones, tablets, and wearable devices.
2. Industrial Control Systems: The IC provides reliable reset signals in industrial control systems, preventing malfunctions caused by power fluctuations or voltage drops.
3. Automotive Electronics: It plays a crucial role in automotive applications, safeguarding critical systems from voltage variations and ensuring safe operation.

Detailed and Complete Alternative Models

1. MCP100T-300I/TT: This IC offers similar functionality but comes in a different package (SOT-23-5) and has a fixed reset threshold voltage.
2. MAX809: A voltage supervisor IC from Maxim Integrated, offering adjustable reset thresholds and various package options.
3. TPS3808: Texas Instruments' voltage supervisor with adjustable reset thresholds, low power consumption, and additional features like manual reset input.

These alternative models provide similar voltage monitoring and reset functions, catering to different application requirements.

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