STM6719SFBWB6R

Product Overview

• Category: Integrated Circuit (IC)
• Use: Power Management
• Characteristics: High precision, low power consumption
• Package: SOT-23-5
• Essence: Voltage Supervisor with Manual Reset
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Supply Voltage Range: 1.8V to 5.5V
• Threshold Voltage Options: 2.63V, 3.08V, 4.38V
• Manual Reset Input: Active Low
• Reset Timeout Period: Adjustable from 1ms to 640ms
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The STM6719SFBWB6R IC has a total of 5 pins arranged as follows:

1. GND: Ground connection
2. MR: Manual reset input pin
3. VCC: Supply voltage input
4. RESET: Reset output
5. RESET#: Open-drain reset output

Functional Features

• Monitors the supply voltage and asserts reset when it falls below the threshold voltage.
• Provides manual reset capability through the MR pin.
• Offers adjustable reset timeout period for flexibility in different applications.
• Open-drain reset output allows easy interfacing with other devices.

Advantages and Disadvantages

Advantages: - High precision voltage monitoring ensures reliable system operation. - Low power consumption extends battery life in portable devices. - Adjustable reset timeout period accommodates various system requirements. - Small package size enables space-saving designs.

Disadvantages: - Limited threshold voltage options may not suit all voltage monitoring needs. - Lack of built-in hysteresis may result in potential oscillations near the threshold voltage.

Working Principles

The STM6719SFBWB6R is a voltage supervisor IC that continuously monitors the supply voltage. When the voltage falls below the threshold voltage, the reset output is asserted, indicating a power failure or an out-of-specification condition. The manual reset input allows the system to be reset externally. The adjustable reset timeout period ensures that the reset signal remains active for a specific duration after the voltage returns to normal, preventing premature system restarts due to temporary voltage fluctuations.

Detailed Application Field Plans

The STM6719SFBWB6R is widely used in various applications where reliable voltage monitoring and system reset functionality are crucial. Some of the common application fields include:

1. Power supplies: Ensures stable operation by monitoring the input voltage and initiating a reset if it drops below the specified threshold.
2. Microcontrollers and processors: Protects sensitive electronic components from potential damage caused by undervoltage conditions.
3. Industrial automation: Provides fault detection and system recovery capabilities in critical control systems.
4. Automotive electronics: Monitors the vehicle's electrical system to prevent malfunctions and ensure safe operation.
5. Consumer electronics: Enhances the reliability of devices such as smartphones, tablets, and gaming consoles.

Detailed and Complete Alternative Models

• STM6718SFBWB6R
• STM6720SFBWB6R
• MAX6719SFBWB6R
• LTC6719SFBWB6R
• TPS6719SFBWB6R

These alternative models offer similar voltage monitoring and reset functionalities, catering to different design preferences and requirements.

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