STM6321MAWY6F

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High precision voltage supervisor with manual reset input
• Package: SOT-23-5
• Essence: The STM6321MAWY6F is a voltage supervisor IC designed to monitor the power supply voltage of electronic systems and provide a reset signal when the voltage falls below a certain threshold.
• Packaging/Quantity: The STM6321MAWY6F is available in tape and reel packaging, with 3000 units per reel.

Specifications

• Supply Voltage Range: 2.5V to 5.5V
• Threshold Voltage Options: 2.93V, 3.08V, 3.63V, 4.38V, 4.63V
• Manual Reset Input: Active-low input for manual system reset
• Reset Timeout Period: Adjustable using an external capacitor
• Operating Temperature Range: -40°C to +85°C
• Quiescent Current: 10µA (typical)

Detailed Pin Configuration

The STM6321MAWY6F features a SOT-23-5 package with the following pin configuration:

1. GND: Ground connection
2. MR: Manual reset input (active-low)
3. VCC: Supply voltage input
4. RESET: Reset output
5. NC: No connection (unused pin)

Functional Features

• Monitors the supply voltage and generates a reset signal when it falls below the set threshold.
• Provides a manual reset input for immediate system reset.
• Adjustable reset timeout period allows customization based on system requirements.
• Low quiescent current ensures minimal power consumption.

Advantages and Disadvantages

Advantages: - High precision voltage monitoring for reliable system operation. - Manual reset input allows for immediate system recovery. - Adjustable reset timeout period offers flexibility in system design. - Low quiescent current minimizes power consumption.

Disadvantages: - Limited threshold voltage options may not suit all applications. - SOT-23-5 package may require additional space on the PCB.

Working Principles

The STM6321MAWY6F operates by continuously monitoring the supply voltage using an internal voltage reference. When the voltage falls below the set threshold, the reset output is activated, indicating a power failure. The manual reset input can be used to force an immediate system reset. The reset timeout period can be adjusted using an external capacitor, allowing customization based on specific system requirements.

Detailed Application Field Plans

The STM6321MAWY6F is widely used in various electronic systems where reliable power management is crucial. Some of the common application fields include:

1. Microcontrollers and microprocessors
2. Industrial control systems
3. Communication equipment
4. Automotive electronics
5. Battery-powered devices

Detailed and Complete Alternative Models

• STM6320: Similar voltage supervisor IC with different threshold voltage options.
• STM6322: Voltage supervisor IC with additional features like watchdog timer.
• MAX638: Voltage supervisor IC from Maxim Integrated with similar functionality.

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