The S-80846ANY-B is a voltage detector IC produced by SII Semiconductor Corporation. This device is designed to monitor voltage levels in electronic circuits and trigger a reset signal when the voltage drops below a specific threshold. This function is critical for maintaining the integrity and stability of microcontrollers, microprocessors, and other sensitive components, preventing data corruption and system malfunctions.

Applications

• Microcontroller Reset Circuits: Provides a reliable reset signal to microcontrollers during power-up, power-down, or when the supply voltage drops below the specified level.
• Power Supply Monitoring: Monitors the output voltage of power supplies, ensuring that voltage levels remain within acceptable limits and triggering alarms or shutdown procedures if necessary.
• Battery-Powered Devices: Prevents deep discharge of batteries by shutting down the device when the battery voltage falls below a critical level, thereby extending battery life and preventing damage.
• Industrial Control Systems: Monitors voltage levels in industrial equipment to ensure stable and safe operation.
• Automotive Electronics: Protects automotive electronic systems from damage caused by voltage fluctuations or battery discharge.

Features

• High-Precision Detection Voltage: Offers accurate voltage detection with a precise detection threshold.
• Low Current Consumption: Minimizes power consumption, making it ideal for battery-powered applications.
• Small Package Size: Available in compact packages for space-constrained applications.
• Wide Operating Temperature Range: Ensures reliable operation in a variety of environmental conditions.
• Built-in Hysteresis: Prevents output oscillation and provides stable operation during voltage fluctuations.

Benefits

• Improved System Reliability: Prevents system crashes and malfunctions due to voltage irregularities.
• Extended Battery Life: Low power consumption extends the operational time of battery-powered devices.
• Simplified Circuit Design: Reduces the need for external components, simplifying the design process.
• Space Savings: Compact package allows for integration into small and portable devices.
• Protection Against Data Corruption: Safeguards stored data from corruption during undervoltage events.

Additional Details

The S-80846ANY-B typically features a detection voltage of 4.6V. Its supply current is generally very low, usually in the microampere range. It is often available in small surface-mount packages, such as SOT-23. The device incorporates hysteresis to prevent false triggering due to noise. The output is generally N-channel open drain, requiring a pull-up resistor. The operating temperature range is usually quite wide, making it suitable for a broad range of applications.