The MIC810MUTR is a voltage monitor or voltage supervisor IC manufactured by Micrel, now part of Microchip Technology. Similar to the MIC810LUTR, this device monitors the power supply voltage of a system and provides a reset signal to the microcontroller or processor when the voltage falls below a specified threshold. The 'M' in the part number differentiates the voltage threshold compared to the 'L' variant.
Applications:
- Microcontroller-Based Systems: Used to provide a reset signal to microcontrollers during power-up, power-down, or brownout conditions.
- Embedded Systems: Monitors power supply voltage in embedded systems to ensure stable operation.
- Industrial Control Equipment: Protects industrial equipment by monitoring the supply voltage and preventing malfunctioning.
- Automotive Electronics: Ensures reliability of automotive electronic systems by providing a reset signal when needed.
- Consumer Electronics: Monitors voltage levels in consumer products for failsafe operation.
Features:
- Precise Voltage Monitoring: Accurately monitors supply voltage for undervoltage conditions.
- Factory-Set Threshold Voltage: Simplifies design and eliminates external resistor requirements for voltage threshold settings.
- Open-Drain Output: Offers flexible interfacing with other microcontroller-based systems.
- Low Supply Current: Minimizes power consumption, crucial for battery powered devices.
- Small Package: Allows for use in space-constrained applications and miniaturized electronics.
- Built-in Hysteresis: Prevents unwanted oscillations near the trip threshold for stable operation.
Benefits:
- Improved System Reliability: Prevents unexpected behavior and potential data corruption due to voltage drops.
- Simplified Design: No need for external components, reduces design complexities.
- Reduced Power Consumption: Extends battery lifespan in portable or battery-backed applications.
- Cost-Effective Solution: Provides a reliable voltage monitoring solution without added expenses.
- Compact Design: Enables implementation even in small circuit board areas.
Additional Details:
The MIC810MUTR uses an internal voltage reference and comparator for accurate voltage monitoring. The open-drain output is asserted when the voltage drops below the threshold level, triggering a reset signal. The output remains active until voltage rises above the threshold incorporating hysteresis. Refer to the datasheet for exact electrical specifications, threshold voltages, hysteresis and timing characteristics.
