The S-817B17AMC-CWGT2G is a voltage detector IC from ABLIC U.S.A. Inc. It is designed to monitor voltage levels and provide a reset signal when the input voltage drops below a specified threshold. This function is essential for protecting microcontrollers and other sensitive circuits from damage or malfunction due to undervoltage conditions.

Applications

• Microcontroller reset circuits
• Power supply voltage monitoring
• Battery-powered equipment
• Portable electronics
• Industrial automation systems

Features

• High-accuracy detection voltage: 1.7V
• Ultra-low current consumption
• Small SOT-23-5 package
• Built-in hysteresis to prevent oscillations
• Wide operating temperature range: -40°C to +85°C

Benefits

• Enhanced system reliability by preventing operation at low voltages
• Extended battery life in portable devices due to low current draw
• Compact design allows for use in space-constrained applications
• Stable and reliable reset signal due to hysteresis
• Suitable for use in harsh environments due to wide temperature range

Additional Details

The S-817B17AMC-CWGT2G operates by continuously monitoring the input voltage. When the voltage drops below the detection threshold of 1.7V, the output asserts a reset signal. The built-in hysteresis ensures that the reset signal remains stable and prevents unwanted oscillations around the threshold voltage. This is particularly important in noisy environments. The ultra-low current consumption makes it ideal for battery-powered devices where minimizing power consumption is critical. The SOT-23-5 package allows for easy integration into a variety of circuit designs.

The precision of the detection voltage ensures accurate monitoring of the power supply. The wide operating temperature range guarantees that the device will function reliably in a variety of operating conditions. The voltage detector is a crucial component in any system that requires a stable and reliable power supply.