The S-80860ANNP is a voltage detector IC manufactured by SII Semiconductor Corporation. This integrated circuit is designed to monitor power supply voltages and generate a reset signal when the voltage drops below a specific threshold. This function is critical in safeguarding microcontrollers and other digital circuits from erratic behavior or data corruption during power-up, power-down, or brownout conditions.

Applications

• Microcontroller reset circuits: Ensures a clean and reliable reset signal for microcontrollers during power-up or brownout events.
• Power supply monitoring: Monitors the output voltage of power supplies and provides a fault signal if the voltage falls outside the acceptable range.
• Battery-powered devices: Protects batteries from deep discharge by disabling the device when the battery voltage reaches a critical level.
• Data storage devices: Prevents data corruption in memory and storage devices by triggering a reset during voltage fluctuations.
• Automotive electronics: Monitors critical voltage levels in automotive systems to ensure safe and reliable operation.

Features

• High-precision detection voltage: Provides accurate voltage monitoring with minimal variation in the detection threshold.
• Low current consumption: Minimizes power drain in battery-powered applications, extending operating life.
• Small package size: Available in compact packages, such as SOT-23, for space-constrained applications.
• Built-in hysteresis: Prevents oscillations around the detection threshold, ensuring a stable reset signal.
• Open drain output: Offers flexibility in interfacing with various digital logic circuits.

Benefits

• Enhanced system reliability: Protects against malfunctions caused by undervoltage conditions, improving overall system stability.
• Extended battery life: Low power consumption contributes to longer operating times for battery-powered devices.
• Simplified circuit design: Small package size and integrated features streamline board layout and reduce component count.
• Data integrity protection: Prevents data loss or corruption during voltage fluctuations, ensuring data integrity.
• Stable and reliable reset signal: Built-in hysteresis guarantees a clean and stable reset signal for reliable system operation.

The S-80860ANNP is commonly supplied in a SOT-23-3 package. It operates reliably across a temperature range of -40°C to +85°C. The open drain output configuration allows for flexible connection to microcontrollers and other digital logic, while the high-precision detection voltage ensures accurate monitoring. The low current consumption makes it an excellent choice for battery-powered applications where power conservation is paramount.