The S-80815CNNB-B8AT2U is a voltage detector IC manufactured by ABLIC U.S.A. Inc. It is designed to monitor the voltage level of a power supply and generate a reset signal when the voltage drops below a certain threshold. This functionality is critical for protecting sensitive electronic components, such as microcontrollers and memory, from malfunctioning or experiencing data corruption due to undervoltage conditions. The S-80815CNNB-B8AT2U is characterized by its ultra-low current consumption, high detection accuracy, and small package size, making it suitable for use in battery-powered devices and space-constrained applications.

Applications

• Microcontroller Reset Circuits
• Power Management Systems
• Battery-Powered Devices
• Portable Electronic Equipment
• CPU Reset

Features

• Detection Voltage: 1.5V
• High-Accuracy Detection Voltage: ±2.0%
• Ultra-Low Current Consumption: 0.8 μA (typical)
• Operating Voltage Range: 0.65 V to 5.5 V
• Package: SOT-23-5
• Built-in Hysteresis
• Active Low Output

Benefits

• Protects sensitive electronic components from undervoltage conditions.
• Extends battery life in portable devices due to minimal power consumption.
• Ensures reliable system operation by providing a reset signal when voltage falls below the threshold.
• Simplifies circuit design due to the integrated voltage detection function.
• Allows for use in space-constrained applications due to its small package size.

Additional Details

The S-80815CNNB-B8AT2U incorporates a built-in hysteresis feature, which prevents oscillations around the detection threshold and ensures a clean and stable reset signal. The device features an active-low output, which is compatible with most microcontroller reset inputs. Its SOT-23-5 package is a small, surface-mount package that is ideal for applications where board space is limited. The device operates over a wide temperature range. The stable and precise voltage detection capabilities of the S-80815CNNB-B8AT2U contribute to the overall reliability and stability of electronic systems. If the voltage drops below the threshold, the output will assert low. The IC provides a reliable power-on reset function.