Overview
The CAT1161WI42 is a supervisory circuit produced by ON Semiconductor, formerly known as Catalyst Semiconductor. This component is designed to monitor and manage power supply functions in electronic systems. It integrates several key features, including an I2C serial CMOS EEPROM, a precision reset controller, and a watchdog timer. These functionalities make it an essential component for ensuring the reliable operation of various electronic devices.
Key Specifications
| Parameter | Value |
|---|---|
| Voltage Range | 3.0V to 5.5V |
| EEPROM Capacity | 16 Kbits (2 Kbytes) |
| Reset Thresholds | Programmable (2.62V, 2.92V, 3.08V, 3.32V, 3.46V) |
| Watchdog Timer | Programmable (1.6 seconds to 25.6 seconds) |
| Interface | I2C Serial Interface |
| Operating Temperature | -40°C to +85°C |
| Package Type | 8-pin SOIC or TSSOP |
Key Features
- I2C serial CMOS EEPROM for data storage and retrieval
- Precision reset controller with programmable reset thresholds
- Watchdog timer with programmable timeout periods
- Active high reset output and active low reset output
- Low power consumption and high reliability
Applications
- Embedded systems requiring power supply monitoring and management
- Industrial control systems and automation
- Medical devices and equipment
- Aerospace and defense electronics
- Consumer electronics and appliances
Q & A
- What is the primary function of the CAT1161WI42?
The CAT1161WI42 is primarily used to monitor and manage power supply functions in electronic systems, including precision reset control and watchdog timer functions. - What is the voltage range of the CAT1161WI42?
The voltage range of the CAT1161WI42 is from 3.0V to 5.5V. - What type of interface does the CAT1161WI42 use?
The CAT1161WI42 uses an I2C serial interface. - What is the capacity of the EEPROM in the CAT1161WI42?
The EEPROM capacity is 16 Kbits (2 Kbytes). - Can the reset thresholds be programmed?
Yes, the reset thresholds are programmable (2.62V, 2.92V, 3.08V, 3.32V, 3.46V). - What is the operating temperature range of the CAT1161WI42?
The operating temperature range is from -40°C to +85°C. - What types of packages are available for the CAT1161WI42?
The CAT1161WI42 is available in 8-pin SOIC or TSSOP packages. - What are some common applications of the CAT1161WI42?
Common applications include embedded systems, industrial control systems, medical devices, aerospace and defense electronics, and consumer electronics. - Does the CAT1161WI42 have a watchdog timer?
Yes, the CAT1161WI42 includes a programmable watchdog timer. - How does the CAT1161WI42 contribute to system reliability?
The CAT1161WI42 enhances system reliability by providing precision reset control and a watchdog timer to ensure proper system operation and recovery from faults.
