The S-80855ANNP-EJK-T2 is a voltage detector IC manufactured by SII Semiconductor Corporation. It's designed to monitor voltage levels and provide a reset signal to microcontrollers or other digital circuits when the voltage falls below a predefined threshold. This is essential for preventing data corruption and ensuring stable operation of electronic devices.

Applications

• Microcontroller reset circuits: Ensures a proper reset of the microcontroller during power-up or brown-out conditions.
• Power supply monitoring: Detects undervoltage conditions in power supplies, triggering protective measures.
• Battery-powered devices: Protects batteries from deep discharge by disabling the device when the battery voltage is low.
• Memory protection: Prevents data corruption in memory devices during voltage drops.
• Real-time clocks (RTC): Monitors the voltage supplied to the RTC to ensure accurate timekeeping.

Features

• High-precision detection voltage: Offers accurate voltage monitoring to prevent false triggering.
• Low current consumption: Minimizes power drain in battery-powered applications, extending battery life.
• Compact package: Small package size allows for use in space-constrained applications.
• Built-in hysteresis: Prevents oscillations during voltage transitions for stable reset signals.
• Open drain output: Provides flexibility in connecting to different logic circuits.

Benefits

• Improved system reliability: Prevents malfunctions caused by undervoltage conditions, enhancing overall system reliability.
• Extended battery life: Low power consumption ensures longer operating times for battery-powered devices.
• Simplified circuit design: Integrated features and small package simplify circuit design and reduce component count.
• Data integrity: Protects against data corruption during voltage fluctuations, ensuring data integrity.
• Stable reset signals: Hysteresis prevents false resets and ensures a clean reset signal.

The S-80855ANNP-EJK-T2 is typically supplied in a SOT-23-3 package. It's designed for operating temperatures between -40°C and +85°C. The precise voltage detection threshold ensures accurate monitoring, and the low current consumption makes it well-suited for portable electronic devices. The open drain output allows for easy interface to different voltage levels. This device is a robust solution for safeguarding electronic circuits against voltage drops and power failures.