The S-80955ALMP is a voltage detector IC from SII Semiconductor Corporation. This device is designed to monitor power supply voltages and generate a reset signal when the voltage falls below a specific threshold. It is commonly used to protect microcontrollers, CPUs, and other sensitive electronic components from damage or malfunction caused by undervoltage conditions.

Applications

• Microcontroller reset circuits
• CPU reset circuits
• Power supply monitoring
• Battery management systems
• Portable electronic devices

Features

• High-precision voltage detection
• Low current consumption
• Hysteresis characteristics
• Small package size (SOT-23-5 or similar)
• Wide operating temperature range

Benefits

• Prevents system errors due to voltage drops
• Ensures reliable system startup
• Extends battery life in portable applications
• Simplified circuit design
• Stable performance over temperature variations

Additional Details

The S-80955ALMP monitors a voltage level of 5.5V. The hysteresis feature prevents oscillations and ensures a clean reset signal. Its low current consumption is beneficial for battery-powered devices. The specific package type may vary, but it is typically a small surface-mount package. The 'ALMP' portion of the part number is significant to the voltage threshold and output configuration, and its details should be obtained from the datasheet. This voltage detector is a reliable and cost-effective solution for voltage monitoring and system reset functions.