The RT9807-15GB is a voltage detector IC manufactured by Richtek USA Inc. It is designed to monitor voltage levels in electronic circuits and provide a reset signal when the voltage falls below a specified threshold. This device is commonly used to ensure the proper operation of microcontrollers and other sensitive electronic components by preventing them from operating with insufficient supply voltage.

Applications:

• Microcontroller reset circuits
• Voltage monitoring in embedded systems
• Power-on reset (POR) circuits
• Battery monitoring
• Over/Under voltage protection

Features:

• Precision voltage detection
• Fixed threshold voltage (1.5V)
• Open-drain output
• Low quiescent current
• Small package size

Benefits:

• Ensures reliable system operation by preventing errors due to low voltage
• Simple implementation with minimal external components
• Reduces power consumption in battery-powered applications
• Protects sensitive components from damage due to voltage fluctuations
• Space-saving design for compact electronic devices

Additional Details:

The RT9807-15GB voltage detector monitors the input voltage and asserts a reset signal when the voltage drops below the 1.5V threshold. The open-drain output requires a pull-up resistor. The low quiescent current makes it suitable for battery-powered applications. It provides a cost-effective and reliable solution for voltage monitoring and reset generation in various electronic systems. The device is commonly used to prevent microcontrollers from running with an insufficient voltage supply, which can cause unpredictable behavior and data corruption.

Technical Specifications (Typical):

• Detection Voltage: 1.5V
• Output Type: Open Drain
• Quiescent Current: 1.2 μA
• Operating Temperature Range: -40°C to +85°C
• Supply Voltage Range: 1.6V to 5.5V