The S-80855ANNP is a voltage detector IC produced by SII Semiconductor Corporation. This device is designed to monitor the voltage level of a power supply and generate a reset signal when the voltage drops below a specific threshold. It is commonly used in a wide array of applications where reliable voltage monitoring is crucial for preventing system failures or data corruption.

Applications

• Microcontroller reset circuits: Provides a reliable reset signal to microcontrollers during power-up or voltage dips.
• Power supply monitoring: Monitors the output voltage of power supplies and triggers a reset or shutdown if the voltage is out of range.
• Battery-powered devices: Protects batteries from deep discharge by shutting down the device when the battery voltage is low.
• Memory protection: Prevents data corruption in memory devices by triggering a reset during voltage fluctuations.
• Industrial control systems: Provides voltage monitoring for critical components in industrial control systems.

Features

• High-precision detection voltage: Accurate voltage detection with a typical threshold of 5.5V.
• Low current consumption: Minimizes power drain, making it suitable for battery-powered applications.
• Small package: Available in compact packages (e.g., SOT-23-3), saving board space.
• Hysteresis: Prevents oscillations around the threshold voltage, ensuring stable operation.
• Open drain output: Flexible output configuration for interfacing with various logic circuits.

Benefits

• Increased system reliability: Prevents system malfunctions caused by undervoltage conditions.
• Extended battery life: Low power consumption contributes to longer battery life in portable devices.
• Simplified circuit design: Small package and integrated features simplify board layout and reduce component count.
• Data protection: Prevents data corruption by initiating a reset during voltage dips.
• Stable performance: Hysteresis ensures stable operation even with noisy power supplies.

The S-80855ANNP typically operates over a temperature range of -40°C to +85°C. It is a cost-effective solution for voltage monitoring, and the small package size makes it ideal for space-constrained applications. By ensuring a stable voltage supply to critical components, the S-80855ANNP helps improve system reliability and prevent costly failures. The open drain output allows for easy integration with various digital systems and control circuits.