The S-1170A31PD-0RQTFG is a voltage detector IC manufactured by SII Semiconductor Corporation. It's part of the S-1170 series, designed to monitor voltage levels and provide a reset signal when the voltage drops below a predefined threshold. This feature is crucial for protecting microcontrollers and other sensitive electronic components from damage due to undervoltage conditions.

Applications

• Microcontroller reset circuits
• Power monitoring in battery-powered devices
• Overvoltage and undervoltage protection circuits
• System monitoring in industrial equipment
• Portable electronic devices (e.g., smartphones, tablets)

Features

• Low Current Consumption: Minimizes power drain in battery-operated devices.
• High-Accuracy Detection Voltage: Ensures precise voltage monitoring and reliable reset functionality.
• Small Package: Compact size allows for space-saving designs.
• Built-in Hysteresis: Prevents chattering of the reset signal due to noise or minor voltage fluctuations.
• Wide Operating Voltage Range: Suitable for a variety of applications with different voltage requirements.

Benefits

• Protection Against Undervoltage: Prevents damage to sensitive electronic components.
• Improved System Reliability: Ensures proper system operation by resetting the microcontroller when necessary.
• Extended Battery Life: Low current consumption maximizes battery life in portable devices.
• Simplified Circuit Design: Reduces the number of external components required for voltage monitoring.
• Reduced System Downtime: Prevents unexpected system failures due to voltage drops.

Additional Details

The S-1170A31PD-0RQTFG has a detection voltage of 3.1V. This specific part number comes in a small package, typically SOT-25. The output type is usually an N-channel open drain output, which requires a pull-up resistor. The operating temperature range is generally between -40°C and +85°C, allowing it to be used in a wide range of environments. The supply voltage can range from typically 1.6V to 5.5V, making it compatible with various power supply configurations. Always refer to the datasheet to confirm electrical characteristics, timing parameters, and application circuit examples for optimal use. Ensure appropriate decoupling capacitors are placed near the IC to minimize noise and ensure stable operation.