STMPS2141MTR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power management and control
• Characteristics: High efficiency, compact size, low power consumption
• Package: Surface Mount Technology (SMT)
• Essence: Voltage Supervisor with Power-On Reset and Manual Reset
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Operating Temperature Range: -40°C to +85°C
• Reset Threshold Voltage: Adjustable from 0.4V to 4.6V
• Manual Reset Input: Active-low input for manual reset
• Power-On Reset Delay: Fixed delay of 200ms
• Output Type: Open-drain output
• Quiescent Current: 1µA (typical)

Pin Configuration

The STMPS2141MTR has the following pin configuration:

```

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

• VDD: Supply voltage input
• GND: Ground reference
• MR: Manual reset input
• RESET: Output indicating system reset
• VOUT: Output voltage monitoring pin

Functional Features

• Provides power-on reset and manual reset functionality
• Monitors supply voltage and generates a reset signal when it falls below the threshold
• Manual reset input allows for external reset control
• Open-drain output for easy integration with other devices
• Low quiescent current for power-efficient operation

Advantages and Disadvantages

Advantages: - Compact size enables space-saving designs - High efficiency for improved power management - Adjustable reset threshold for flexibility in different applications

Disadvantages: - Fixed power-on reset delay may not be suitable for all scenarios - Limited supply voltage range (2.5V to 5.5V)

Working Principles

The STMPS2141MTR is a voltage supervisor IC that monitors the supply voltage and generates a reset signal when it falls below a certain threshold. It ensures proper system initialization by holding the reset output low until the supply voltage stabilizes. The manual reset input allows for external control of the reset signal, providing additional flexibility.

Detailed Application Field Plans

The STMPS2141MTR can be used in various applications where reliable power management and control are required. Some potential application fields include:

1. Embedded Systems: Ensuring proper initialization and reliable operation of microcontrollers and other embedded devices.
2. Industrial Automation: Monitoring power supply integrity in industrial control systems to prevent data corruption or equipment damage.
3. Automotive Electronics: Providing voltage supervision and reset functionality in automotive applications to ensure safe and reliable operation.
4. Consumer Electronics: Enhancing power management capabilities in portable devices, such as smartphones and tablets, to optimize battery life.

Detailed and Complete Alternative Models

1. MAX809: Voltage supervisor with adjustable reset threshold and manual reset input. Offers a wider supply voltage range and additional features.
2. TPS3808: Precision voltage supervisor with adjustable delay and manual reset input. Provides enhanced accuracy and flexibility in power management applications.
3. ADM6315: Microprocessor supervisory circuit with adjustable reset threshold and manual reset input. Designed specifically for microcontroller-based systems.

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