The S-80928CNMC-G8Y-T2 is a voltage detector manufactured by SII Semiconductor Corporation. This IC is designed to monitor voltage levels within an electronic circuit and provide a reset signal to a microcontroller or other digital logic when the voltage drops below a predetermined threshold. This function is critical for ensuring the stable and reliable operation of electronic systems, particularly in situations where power fluctuations may occur.

Applications

• Microcontroller Reset Circuits
• CPU Reset Circuits
• Power Management Systems
• Battery Monitoring
• Over-Voltage Protection

Features

• Detection Voltage: 2.8V (typical)
• High-Accuracy Detection Voltage
• Low Current Consumption
• Small Package Size (SOT-23)
• Built-In Hysteresis
• Wide Operating Temperature Range

Benefits

• Prevents erratic operation of microcontrollers and other digital circuits during voltage drops.
• Ensures proper system startup by holding the reset line low until the voltage stabilizes.
• Extends battery life in portable devices due to low current consumption.
• Saves board space due to the small package size.
• Reduces the likelihood of false resets due to noise or minor voltage fluctuations, due to the built-in hysteresis.
• Provides stable operation over a wide range of environmental conditions.

The S-80928CNMC-G8Y-T2 voltage detector operates by continuously monitoring the input voltage. When the input voltage falls below the specified detection voltage (typically 2.8V), the device activates a reset signal. The reset signal remains active until the input voltage rises above the detection voltage plus the hysteresis voltage. The hysteresis is a crucial feature as it prevents the reset signal from oscillating or chattering when the input voltage is near the threshold level. This ensures a clean and stable reset operation. The low current consumption of the S-80928CNMC-G8Y-T2 makes it suitable for use in battery-powered applications where power conservation is essential. The small SOT-23 package allows for easy integration into space-constrained circuit boards. This voltage detector is a cost-effective and reliable solution for protecting sensitive electronic components from damage or malfunction due to voltage fluctuations. The precise detection voltage and low power consumption make it an ideal choice for a wide range of applications.