The XC61CS27XXNR is a voltage detector manufactured by Torex Semiconductor Ltd. This series of voltage detectors monitors power supply voltages in electronic circuits and provides a reset signal when the voltage falls below a predefined threshold. It is designed for high accuracy and low power consumption, making it suitable for a variety of applications.

Applications

• Microcontroller reset circuits
• CPU reset circuits
• Power supply monitoring
• Battery-powered devices
• System power management

Features

• High accuracy detection voltage
• Ultra-low power consumption
• Small package size
• Built-in hysteresis
• Open drain output
• Operating temperature range: -40°C to +85°C

Benefits

• Prevents erratic operation of microcontrollers due to voltage drops.
• Extends battery life in portable devices due to low current consumption.
• Saves board space with its small package.
• Provides reliable reset signal with built-in hysteresis, preventing chattering.
• Easy to implement with a minimal number of external components.

Technical Specifications

The XC61CS27XXNR features a detection voltage of 2.7V. It consumes a very low supply current, typically in the order of a few microamperes. The output is an N-channel open drain, which allows for flexible connection to various microcontrollers and other digital circuits. The hysteresis width is typically around 0.1V, ensuring a clean and stable reset signal.

The small package size allows for high-density mounting on printed circuit boards, making it suitable for space-constrained applications. The device is available in a small SOT-25 package. The operating temperature range of -40°C to +85°C makes it suitable for use in a wide range of environmental conditions.

In addition to voltage detection, the XC61CS series offers a variety of detection voltage options, catering to different power supply requirements. The high accuracy of the detection voltage ensures reliable monitoring of the power supply voltage and prevents system malfunctions due to voltage drops. The device's low power consumption is especially beneficial in battery-powered applications where extending battery life is crucial.