The S-80834CNUA-B8T-T2 is a voltage detector manufactured by SII Semiconductor Corporation. As part of the S-80834 series, this CMOS voltage detector IC monitors the power supply voltage and provides a reset signal when the voltage falls below a predetermined threshold. The device is designed for high accuracy and low power consumption, making it suitable for various battery-powered and voltage-sensitive applications.

Applications

• Microcontroller and Microprocessor Reset: Ensures reliable system startup and prevents malfunctions by resetting the microcontroller or microprocessor during voltage drops.
• Battery-Powered Devices: Monitors battery voltage levels in portable devices such as smartphones, tablets, and wearables to prevent deep discharge and system instability.
• Power Management Systems: Used in power management circuits to detect undervoltage conditions and initiate protective actions.
• Memory Protection: Prevents data corruption in memory devices by detecting voltage drops and initiating write protection or shutdown procedures.
• Industrial Control Systems: Monitors power supply voltage in industrial control equipment to ensure reliable operation and prevent equipment damage.

Features

• High-Precision Voltage Detection: Provides accurate voltage monitoring with minimal tolerance, ensuring reliable reset operation.
• Ultra-Low Current Consumption: Minimizes power drain in battery-powered applications, extending battery life.
• Wide Operating Voltage Range: Supports a broad range of input voltages, making it suitable for diverse applications.
• Open-Drain Output: Offers flexibility in connecting to various types of circuits.
• Small Package: Available in a compact package for space-constrained applications.

Benefits

• Improved System Reliability: Prevents system failures and data corruption caused by voltage drops.
• Extended Battery Life: Low power consumption extends the operational time of battery-powered devices.
• Simplified Design: Reduces the need for external components, simplifying circuit design and reducing board space.
• Compact Solution: Small package size allows for integration into densely populated circuit boards.
• Voltage Protection: Protects sensitive components from damage caused by undervoltage conditions.

Additional Details

The S-80834CNUA-B8T-T2 features a fixed detection voltage and an N-channel open-drain output. It operates over a temperature range of -40°C to +85°C. The typical supply current is very low, contributing to its suitability for battery-powered applications. The device is available in a SOT-23-5 package.