CAT1163WI-30-G

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Power management integrated circuits (PMICs) are the devices used to manage power supply and power distribution in an embedded system. PMICs are essential parts of modern embedded systems, as they help reduce overall system power consumption while maintaining the system’s performance. Supervisors, a type of PMIC, provide voltage and current regulation, reset control and overshoot protection, among other features. The CAT1163WI-30-G is one such supervisor designed for cost-sensitive and space-restricted applications.

The CAT1163WI-30-G is a single-channel linear voltage supervisor with a supply voltage range of 2.7V to 6.0V and an operating temperature range of -40°C to 85°C. It features an on-chip voltage reference and low-power 1µA current consumption at low supply voltage. The supervisor has an adjustable under-voltage trip point that’s factory-set to 3.2V and is fully integrated with a crystal oscillator. Additionally, it has an over-voltage trip point that can be software-configured to any value between 5.0V and 6.0V. It also has an over-Temperature sense capability that can detect a high temperature situation and automatically disable the output.

The main function of the CAT1163WI-30-G is to monitor the input supply voltage. The supervisor constantly monitors the input voltage while the MCU is in both active and sleep mode. If the input voltage falls below the specified under-voltage trip point, then the supervisor triggers an interrupt and signals the MCU to enter an under-voltage low power sleep mode. The supervisor also has an output voltage supervisor that monitors the output voltage. If the output voltage falls below the specified trip point, then the supervisor will also trigger an interrupt and signal the MCU to enter a low power sleep mode. Additionally, the supervisor features over-current and over-temperature protection.

The CAT1163WI-30-G is suitable for applications that require cost-effective and space-efficient voltage and temperature monitoring. It is often used in low-power and low-cost systems such as portable toys, industrial pressure sensors, wireless sensor nodes, home automation systems and embedded medical electronics. Its wide range of operating temperature is well suited for automotive applications, while its low current consumption also makes it well-suited for battery-powered devices.

In short, the CAT1163WI-30-G is an ideal choice for a range of cost-sensitive and space-restricted applications that require reliable voltage and temperature monitoring. It is an efficient and cost-effective solution for low-power and low-cost systems. The supervisor’s adjustable under-voltage trip point, adjustable over-voltage trip point, over-current protection and over-temperature sense capabilities ensure reliable operation and protection from power-related disruptions.

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