The S-8521F32MC-BPRT2U is a voltage detector IC manufactured by ABLIC U.S.A. Inc. This device is designed to monitor voltage levels and provide a reset signal to microcontrollers or other digital circuits when the voltage falls below a predetermined threshold. The 'F32' in the part number indicates a detection voltage of 3.2V. This function ensures the stability and reliability of electronic systems by preventing malfunctions and data corruption during power-up, power-down, or brownout conditions. It is housed in a compact SOT-23-5 package.

Applications

• Microcontroller Reset Circuits: Providing a reliable reset signal to microcontrollers during power-up, power-down, or brownout conditions.
• Battery Monitoring in Portable Devices: Preventing deep discharge of batteries by shutting down the device when the battery voltage drops below a critical level.
• Power Supply Monitoring: Detecting power supply failures or voltage irregularities in electronic systems.
• Memory Protection: Safeguarding data stored in memory devices by triggering a write-protect or shutdown sequence during voltage drops.
• Industrial Control Systems: Monitoring voltage levels in industrial equipment to ensure safe and reliable operation.

Features

• High-Accuracy Detection Voltage: Delivers precise voltage monitoring with minimal deviation from the specified 3.2V threshold.
• Low Current Consumption: Minimizes power drain, making it suitable for battery-powered and energy-efficient applications.
• Hysteresis: Incorporates hysteresis to prevent oscillations or false triggering of the reset signal due to noise or minor voltage fluctuations.
• Small Package Size (SOT-23-5): Enables compact circuit designs and easy integration into various electronic devices.
• Wide Operating Temperature Range: Ensures reliable performance in a broad range of environmental conditions.

Benefits

• Improved System Reliability: Prevents system malfunctions caused by voltage drops, ensuring stable and predictable operation.
• Extended Battery Life: Reduces power consumption, leading to longer battery life in portable electronic devices.
• Enhanced Component Protection: Protects sensitive electronic components from damage due to undervoltage conditions.
• Simplified Circuit Design: Simplifies circuit design by providing a dedicated voltage monitoring and reset function in a single IC.
• Cost-Effective Solution: Offers a reliable and affordable voltage detection solution for a variety of applications.

Additional Details

The S-8521 series voltage detectors offer a variety of detection voltage options to meet the specific requirements of different applications. The hysteresis feature helps to prevent false triggering caused by noise or voltage fluctuations. The output type (N-channel open drain or CMOS output) is selectable, allowing for flexibility in circuit design. The SOT-23-5 package is a commonly used surface-mount package, making it easy to solder and integrate into printed circuit boards. This voltage detector is designed for applications where precise voltage monitoring and reliable reset functionality are critical.