The PST9145NR/R is a voltage detector IC manufactured by Mitsumi. It is engineered to monitor voltage levels within electronic circuits and to generate a reset signal when the voltage falls below a predetermined threshold. This feature is essential for safeguarding microcontrollers, memory, and other sensitive components from potential harm or malfunction resulting from undervoltage scenarios. The PST9145NR/R finds widespread application across various systems that necessitate dependable voltage monitoring and reset capabilities.

Applications

• Microcontroller-based systems
• Power supply monitoring
• Battery-powered devices
• Real-time clocks (RTC)
• Memory backup systems

Features

• High-accuracy voltage detection
• Low operating current
• Open drain output
• Compact package
• Wide operating temperature range

Benefits

• Ensures system stability: The voltage detection feature prevents erratic behavior or data corruption due to voltage fluctuations.
• Protects against undervoltage: Prevents damage to sensitive components by resetting the system when voltage falls below the specified threshold.
• Prolongs battery life: Low operating current minimizes power consumption, extending battery life in portable devices.
• Simplified system design: Integrated reset function simplifies circuit design and reduces component count.
• Reliable performance: High accuracy and wide operating temperature range ensure reliable operation in various environments.

Additional Details

The PST9145NR/R is designed with a precise detection voltage. The open-drain output configuration provides adaptable connectivity options for diverse microcontroller or system interfaces. It commonly utilizes a small surface mount package, suitable for applications with limited space. The operating temperature range generally aligns with industrial standards, enabling usage across a range of operating environments. Specific characteristics, such as the exact detection voltage, should be verified using the manufacturer's datasheet.