The S-35190A-J8V1G is a voltage detector IC manufactured by SII Semiconductor Corporation. It is designed to monitor voltage levels and provide a reset signal when the voltage falls below a certain threshold. This feature is critical for ensuring the reliable operation of various electronic devices, particularly microcontrollers and other digital circuits.

Applications

• Microcontroller Reset Circuits: Ensuring proper initialization and preventing erroneous operations of microcontrollers during power-up or voltage dips.
• Power Supply Monitoring: Detecting undervoltage conditions in power supplies and triggering protective measures, such as shutting down the system to prevent damage.
• Battery-Powered Devices: Preventing deep discharge of batteries, which can significantly reduce their lifespan. The voltage detector monitors the battery voltage and shuts down the device when it falls below a critical level.
• Industrial Control Systems: Monitoring critical voltage rails in industrial equipment to ensure safe and reliable operation.
• Automotive Electronics: Supervising battery voltage and other critical voltage levels in automotive applications, contributing to the overall safety and reliability of the vehicle's electronic systems.

Features

• High-Accuracy Voltage Detection: Provides precise voltage monitoring, ensuring reliable system operation.
• Low Current Consumption: Minimizes power drain, making it suitable for battery-powered applications.
• Built-in Hysteresis: Prevents oscillation and ensures stable operation, even in the presence of voltage fluctuations.
• Small Package Size: Allows for compact designs and easy integration into various electronic devices. Typically available in SOT-25 packages.
• Open-Drain Output: Provides flexibility in interfacing with different types of microcontrollers and other electronic circuits.

Benefits

• Improved System Reliability: Protects electronic devices from damage caused by voltage fluctuations and ensures stable operation.
• Extended Battery Life: Prevents deep discharge of batteries, prolonging their lifespan and reducing the need for frequent replacements.
• Simplified Circuit Design: Reduces the number of external components required for voltage monitoring, simplifying the overall design process.
• Faster Development Time: Provides a readily available solution for voltage detection and reset functionality, speeding up the development process.
• Enhanced Safety: Ensures safe operation by detecting and responding to voltage anomalies, preventing potential hazards.

Additional Details

The S-35190A-J8V1G has a typical detection voltage around 1.9V. The precise value is available in the official datasheet from SII Semiconductor Corporation. It operates over a wide temperature range, typically from -40°C to +85°C. This IC is widely used in embedded systems to enhance system stability and prevent damage from voltage irregularities. The output requires a pull-up resistor for proper functionality. Refer to the datasheet for the specific recommended value and operating conditions. The voltage detection accuracy plays a crucial role in the application's performance, so always consult the datasheet to verify the specifications meet the design requirements.