MCP102T-195I/LB

Product Overview

Category

The MCP102T-195I/LB belongs to the category of integrated circuits (ICs) and specifically falls under the family of voltage supervisors.

Use

This product is primarily used for monitoring and supervising the voltage levels in electronic systems. It ensures that the voltage remains within a specified range, providing stability and protection to the system.

Characteristics

• Voltage Range: The MCP102T-195I/LB operates within a voltage range of 1.6V to 5.5V.
• Low Quiescent Current: It has a low quiescent current of only 5 µA, making it suitable for power-sensitive applications.
• Adjustable Reset Threshold: The reset threshold voltage can be adjusted using external resistors, allowing flexibility in different system requirements.
• Open Drain Output: The device features an open-drain output, enabling easy interfacing with other components.

Package

The MCP102T-195I/LB is available in a small SOT-23-3 package, which is compact and space-efficient. This package offers good thermal performance and ease of soldering.

Essence

The essence of the MCP102T-195I/LB lies in its ability to monitor voltage levels and provide a reliable reset signal when the voltage falls below a certain threshold. This ensures proper functioning and prevents damage to sensitive electronic components.

Packaging/Quantity

The MCP102T-195I/LB is typically sold in reels containing 3000 units per reel. This packaging format is commonly used for automated assembly processes.

Specifications

• Supply Voltage Range: 1.6V to 5.5V
• Reset Threshold Voltage Range: Adjustable from 1.8V to 4.6V
• Quiescent Current: 5 µA (typical)
• Operating Temperature Range: -40°C to +125°C
• Output Type: Open Drain

Detailed Pin Configuration

The MCP102T-195I/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 the reset signal output.

Functional Features

• Voltage Monitoring: The MCP102T-195I/LB continuously monitors the input voltage and compares it with the adjustable threshold voltage.
• Reset Signal Generation: When the input voltage falls below the threshold, the device generates a reset signal on the RESET pin.
• Power-On Reset: The MCP102T-195I/LB also provides a power-on reset feature, ensuring that the system initializes correctly during power-up.

Advantages and Disadvantages

Advantages

• Low quiescent current enables power-efficient operation.
• Adjustable reset threshold allows customization for different applications.
• Small package size saves board space.
• Open-drain output facilitates easy interfacing with other components.

Disadvantages

• Lack of built-in hysteresis may lead to potential noise-related issues in certain applications.
• Limited number of pins restricts additional functionality integration.

Working Principles

The MCP102T-195I/LB operates by comparing the input voltage with the internally set threshold voltage. If the input voltage drops below the threshold, the device generates a reset signal. This signal remains active until the input voltage rises above the threshold again. The open-drain output allows multiple devices to be connected together for combined monitoring.

Detailed Application Field Plans

The MCP102T-195I/LB finds applications in various fields, including but not limited to: - Battery-powered devices - Embedded systems - Industrial automation - Automotive electronics - Consumer electronics

In battery-powered devices, the MCP102T-195I/LB ensures proper functioning by monitoring the battery voltage and initiating a reset if it drops below a critical level. In embedded systems, it provides stability during power-up and prevents erratic behavior. Industrial automation and automotive electronics benefit from its ability to monitor power supply integrity. Consumer electronics rely on this device for reliable operation and protection against voltage fluctuations.

Detailed and Complete Alternative Models

Some alternative models that offer similar functionality to the MCP102T-195I/LB include: - MAX823: Manufactured by Maxim Integrated, this voltage supervisor IC offers adjustable reset thresholds and low quiescent current. - TPS3839: Produced by Texas Instruments, this device features a wide operating voltage range and an open-drain output. - ADM6315: An offering from Analog Devices, this voltage monitor IC provides adjustable reset thresholds and low power consumption.

These alternative models can be considered based on specific application requirements and availability in the market.

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