The S-80852CNNB-B9D-T2 is a voltage detector IC manufactured by SII Semiconductor Corporation. This IC is designed for monitoring voltage levels in electronic circuits and providing a reset signal when the voltage drops below a certain threshold. It is commonly used in various applications to ensure stable operation and prevent malfunctions caused by voltage fluctuations.

Applications

  
• Microcontroller reset circuits: Ensures the microcontroller starts in a known good state after a power-up or voltage drop.
  
• Power supply monitoring: Detects undervoltage conditions in power supplies and triggers appropriate actions.
  
• Battery-powered devices: Monitors battery voltage to prevent deep discharge and extend battery life.
  
• CPU reset circuits: Provides a reset signal to the CPU when the voltage drops below the operating range.
  
• Industrial control systems: Used in industrial environments to monitor and protect sensitive electronic components.

Features

  
• High-precision detection voltage: Offers accurate voltage monitoring with a typical detection voltage of 5.2V.
  
• Low current consumption: Minimizes power consumption in battery-powered devices, extending their operating time.
  
• Small package: Available in a compact package (SOT-23-5), saving valuable board space.
  
• Built-in hysteresis: Prevents oscillations during voltage transitions, ensuring stable operation.
  
• Open drain output: Provides flexibility in connecting to various microcontroller and digital logic circuits.

Benefits

  
• Improved system reliability: Prevents malfunctions caused by voltage fluctuations, enhancing overall system reliability.
  
• Extended battery life: Low current consumption extends the operating time of battery-powered devices.
  
• Simplified circuit design: The small package and built-in hysteresis simplify circuit design and reduce component count.
  
• Protection against deep discharge: Prevents irreversible damage to batteries caused by deep discharge.
  
• Stable operation: The built-in hysteresis ensures stable operation during voltage transitions, reducing the risk of false resets.

The S-80852CNNB-B9D-T2 is supplied in a SOT-23-5 package. The operating temperature range is typically -40°C to +85°C.  It features a detection voltage of typically 5.2V. It is designed to be a cost effective way to monitor voltage levels and ensure a stable operation for different electronic devices.