CAT130019TWI-GT3

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Power management integrated circuit (PMIC) technology improves energy efficiency by reducing the amount of standby or leakage current drawn by system components. Supervisors are a type of PMIC used to monitor and control system components, including regulating and resetting systems in the case of an overcurrent, overvoltage, or over-temperature. The CAT130019TWI-GT3 is a high precision supervisor specifically designed for supply rail monitoring in industrial, automotive and communication applications. This article will look at the application fields and working principles of the CAT130019TWI-GT3.

The CAT130019TWI-GT3 is designed for use in industrial, automotive and communication applications. These applications involve monitoring three main power rails – battery/battery, supply/supply, and system/system. Within these applications, the CAT130019TWI-GT3 serves two functions – monitoring and resetting the power rails to create system stability and interruption recovery. It is capable of detecting voltage variation of ±2%, current variation of ±2% and temperature variation of 10°C.

The CAT130019TWI-GT3 supervisor includes two programmable voltage/current monitors, two temperature monitors and two reset outputs. The voltage/current monitors feature programmable hysteresis and can detect input signals below its threshold or above its over-trip threshold. The temperature monitors offer programmable hysteresis and can detect signals below its over-trip threshold or above its under-trip threshold. The reset signals are designed to reset the system upon an overcurrent, over-temperature, or overvoltage condition.

The CAT130019TWI-GT3 supervisor utilizes dual monitor architecture for excellent accuracy and low power consumption. This architecture isolates the battery rails from the other power rails, thus increasing system stability and reducing the risk of over-trip threshold failures. The CAT130019TWI-GT3 also features low power consumption, a low start-up time of 5ms and a wide operating temperature range of -40°C to +125°C. This makes the supervisor suitable for high temperature applications.

The CAT130019TWI-GT3 supervisor includes a power matrix interconnect feature. This feature allows users to directly connect the supervisor to multiple voltage rails and temperature sensors. This reduces power consumption, lowers circuit complexity and allows for greater design flexibility. The matrix interconnect feature also makes the supervisor more suitable for tight spacing applications.

The CAT130019TWI-GT3 supervisor also offers a wide supply voltage range of 1.5V to 5.5V, making it suitable for applications with a wide range of power supply inputs. Furthermore, the supervisor has a low quiescent current of ≤20μA and is resistant to power supply transients, making it suitable for automotive applications.

The CAT130019TWI-GT3 supervisor features design flexibility and a wide operating temperature range. This combination makes the supervisor suitable for the monitoring of voltage and current supply rails in industrial, automotive and communication applications, as well as providing system stability and interruption recovery. It can directly connect to multiple voltage rails and temperature sensors to reduce power consumption, lower circuit complexity and provide greater design flexibility for tight spacing applications. This supervisor is a highly precise and reliable solution for applications with a wide range of input voltages.

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