The S-84236FT-T2 is a voltage detector IC manufactured by SII Semiconductor Corporation. This integrated circuit is designed to monitor a voltage supply and generate a reset signal when the voltage falls below a pre-determined threshold. This functionality is crucial for protecting microcontrollers and other sensitive electronic components from damage or malfunction due to undervoltage conditions.

Applications

• Microcontroller Reset Circuits: Provides a reliable reset signal to microcontrollers during power-up, power-down, or brown-out events.
• Memory Protection: Prevents data corruption in volatile memory (SRAM) and non-volatile memory (EEPROM, Flash) by ensuring a stable power supply.
• Battery-Powered Devices: Monitors battery voltage and initiates a shutdown or low-battery warning when the voltage drops below a critical level.
• Power Management Systems: Supervises voltage levels in power supplies and triggers protective measures such as shutdown or voltage regulation.
• Industrial Control Systems: Ensures stable and reliable operation of control circuits in environments with fluctuating power supplies.

Features

• Precise Voltage Detection: Offers accurate monitoring of the supply voltage with a well-defined detection threshold.
• Hysteresis: Includes hysteresis to prevent output chattering or oscillations near the detection threshold.
• Open-Drain Output: Provides a flexible output configuration compatible with a variety of microcontroller and logic circuit interfaces.
• Low Current Consumption: Minimizes power consumption, making it suitable for battery-powered applications.
• Small Package Size: Typically available in a compact SOT-23-5 package for space-constrained applications.

Benefits

• Increased System Reliability: Prevents system malfunctions and data corruption caused by undervoltage conditions.
• Simplified Circuit Design: Reduces the complexity of voltage monitoring and reset circuitry.
• Extended Battery Life: Low power consumption contributes to longer battery life in portable devices.
• Compact Design: Small package size enables integration into space-limited applications.
• Improved System Protection: Safeguards sensitive electronic components from damage caused by voltage fluctuations.

Technical Specifications

The S-84236FT-T2 is characterized by its specific detection voltage, release voltage, and operating temperature range. It features an open-drain output with defined output voltage and current characteristics. It is commonly available in a SOT-23-5 package with specified dimensions. Consult the official datasheet from SII Semiconductor Corporation for detailed specifications, including electrical characteristics, timing diagrams, and pinout information.