The BD53E60GTR is a voltage detector IC manufactured by Rohm Semiconductor. It is a PMIC (Power Management Integrated Circuit) supervisor designed to monitor the supply voltage and generate a reset signal when the voltage drops below a specific threshold. This is crucial for preventing malfunctions and data corruption in microcontroller-based systems and other digital circuits caused by voltage sags or brownout conditions, thus ensuring system stability and reliable operation.

Applications

• Microcontroller-Based Systems: Provides a reliable reset signal during power-up, power-down, and voltage drops, preventing erratic behavior.
• Memory Devices: Protects data stored in volatile memory (RAM) by ensuring a proper reset during voltage fluctuations.
• Portable Electronics: Monitors battery voltage in devices like smartphones, tablets, and wearable devices to prevent low-voltage operation.
• Industrial Control Systems: Provides voltage monitoring for critical control systems, ensuring reliable operation in industrial environments where voltage fluctuations may occur.
• Automotive Electronics: Monitors voltage levels in automotive systems to ensure the safe and reliable operation of critical components.

Features

• High-Accuracy Voltage Detection: Offers precise voltage monitoring with a typical accuracy of ±1%.
• Low Current Consumption: Minimizes power usage, making it suitable for battery-powered applications.
• Open Drain Output: Provides flexibility in interfacing with different microcontroller and logic systems.
• Small Package Size: Available in compact surface-mount packages for space-constrained applications.
• Hysteresis: Includes hysteresis to prevent oscillations or chattering of the reset signal.

Benefits

• Improved System Stability: Prevents malfunctions and ensures reliable operation of electronic systems.
• Data Protection: Prevents data corruption in memory devices during voltage drops.
• Extended Battery Life: Low power consumption contributes to longer battery life in portable devices.
• Simplified Design: Integrates voltage monitoring and reset functionality into a single chip, simplifying circuit design.
• Enhanced Reliability: Provides reliable voltage monitoring in a wide range of operating conditions.

Additional Details

The BD53E60GTR typically operates with a supply voltage range of 1.6V to 5.5V. The reset threshold voltage is factory-set and available in different voltage levels to suit specific application requirements. The operating temperature range is typically between -40°C and +85°C. The output is an open-drain type, requiring a pull-up resistor. The hysteresis characteristic helps prevent false triggering of the reset signal due to noise or minor voltage fluctuations.