CAT150169MWI-GT3

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Power supervisors, also known as PMICs (Power Management ICs), are ICs designed to monitor, control, measure and regulate power. They are used to ensure power and electrical systems are operating optimally, as well as preventing damage from improper voltage/current levels and other system-based anomalies. In addition, PMICs also provide conditioning, sequencing and latency for power applications that require precision and reliability.

The CAT150169MWI-GT3, manufactured by ON Semiconductor, is a power supervisor IC suitable for use in a wide range of power management applications. It is designed to monitor, detect, and protect against abnormal power supply conditions such as overvoltage, undervoltage, overcurrent, and over-temperature conditions. The device also provides precision monitoring of the power supply voltage, current, and temperature and can generate an active reset signal for systems requiring additional power or protection. In addition, it includes a watchdog timer with a selectable timeout period and can generate an active reset signal as a result.

The CAT150169MWI-GT3 consists of an input voltage divider and a comparator that samples the input voltage and computes an input voltage level. This level is then compared against internal thresholds in order to determine the status of the power supply. If the input voltage is too low or too high, the device will activate output disconnect circuitry and generate an interrupt event to alert a microcontroller, FPGA, or other power management device. In addition, if the input voltage exceeds a programmable window limit, an alarm or reset signal can be generated.

The device also features automatic power-on reset and manual reset features, as well as advanced short-circuit protection and soft-start circuitry to help reduce inrush current. The CAT150169MWI-GT3 also has programmable Watchdog Timer and Power-On Delay functions, which can help provide additional protection for power circuits by monitoring system activity and generating an active reset signal if a period of inactivity is detected. It also includes a ±20 mV accuracy temperature sensor, which can be used to monitor temperature levels and generate an alert or reset signal if the temperature exceeds a certain threshold.

The CAT150169MWI-GT3 is available in an 8-pin MSOP package and is rated for operation over a temperature range of -40 to +105 C. The device is ideal for applications such as embedded designs, industrial electronics, white goods, and automotive applications require precise power management. It is compatible with a wide range of industry-standard voltages, and provides enhanced protection capabilities against shorts and transient noise. In addition, the device is CE and RoHS compliant, making it a perfect choice for ensuring reliable and safe operation in industrial environments.

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