The S-80838CNMA-B8XT1S is a voltage detector IC manufactured by ABLIC U.S.A. Inc. This device is designed to monitor power supply voltages and provide a reset signal to microcontrollers (MCUs) or other digital circuits when the voltage falls below a certain threshold. Voltage detectors are essential components in many electronic systems, ensuring proper operation and preventing data corruption by triggering a reset during undervoltage conditions.

Applications

• Microcontroller reset: Providing a reliable reset signal to MCUs during power-up and power-down sequences or when the supply voltage drops unexpectedly.
• Power supply monitoring: Monitoring the output voltage of power supplies to detect undervoltage conditions and trigger alarms or protective measures.
• Battery management systems: Preventing deep discharge of batteries in portable devices by shutting down the device when the battery voltage falls below a critical level.
• Industrial control equipment: Ensuring safe and reliable operation of industrial equipment by monitoring power supply voltages and triggering safety mechanisms.
• Automotive electronics: Protecting sensitive electronic components in automobiles from damage due to voltage fluctuations or battery discharge.

Features

• High-accuracy voltage detection: Provides precise and reliable voltage monitoring.
• Low current consumption: Minimizes power consumption in battery-powered applications.
• Compact package: Available in small packages for space-constrained designs.
• Wide operating voltage range: Suitable for a variety of power supply voltages.
• Built-in hysteresis: Prevents output oscillation due to noise or minor voltage fluctuations.

Benefits

• Improved system stability: Ensures reliable operation of digital circuits by preventing malfunctions caused by undervoltage conditions.
• Extended battery life: Low power consumption helps extend battery life in portable devices.
• Simplified circuit design: Reduces the need for external components, simplifying circuit design and reducing board space.
• Increased system reliability: Protects sensitive electronic components from damage due to voltage fluctuations.
• Data protection: Prevents data corruption in memory devices during undervoltage conditions by triggering a reset.

Additional Details

The S-80838CNMA-B8XT1S typically features a detection voltage around 3.8V, but it is crucial to refer to the specific datasheet for the precise voltage threshold. The device offers very low supply current consumption, usually in the microampere range. The package is generally a small surface-mount type, such as SOT-23. Hysteresis is incorporated to prevent false triggering. The output type is usually N-channel open drain, requiring a pull-up resistor. The operating temperature range is also a critical specification to consider for different applications.