CAT1162WI-25-GT3

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As one of the most popular power management integrated circuit (PMIC) products on the market, the CAT1162WI-25-GT3 is widely used in a range of automotive, consumer and industrial applications. This device offers optimal versatility, ensuring compatibility with a broad range of power system requirements. In this article, we will explore the features, uses and working principle of the CAT1162WI-25-GT3.

Features of the CAT1162WI-25-GT3

The CAT1162WI-25-GT3 is a bi-directional, adjustable output voltage supervisor IC for 5V or 3.3V systems. It is used as both an over and under voltage supervisor, as well as a reset timer. It features a reset input with hysteresis, as well as an external capacitor providing power-on reset (POR) timing. The device prevents ICs from accidentally resetting due to supply noise. It also offers fault protection against power surges and brown-outs. The device has a built-in fail-safe protection, which automatically shuts down when a predetermined voltage level is exceeded. This helps protect the system from damage.

The CAT1162WI-25-GT3 has an adjustable reset time delay of up to 500ms, as well as a precise reset threshold (1.25V-3.5V). It also features a programmable alert level (2.0V-3.3V). This alert level can be used to indicate system warning conditions, such as brown outs.

The device is available in a 16-pin package that is RoHS compliant and features a 7.4mm x 5.4mm footprint size. It also has a temperature range of -20°C to 125°C.

Application of the CAT1162WI-25-GT3

The CAT1162WI-25-GT3 is used as a power supervisor in a wide variety of applications, including automotive and consumer electronics, as well as industrial systems. It can be used to provide diagnostic services, circuit protection, power management and system reset capabilities. The device is particularly well-suited for embedded systems, where a precise voltage level is required.

In automotive applications, the CAT1162WI-25-GT3 is commonly used in three-phase motor systems, battery charging systems and power switching circuits. It is also used in consumer electronics, such as computers, cell phones and tablets. The device is suitable for safety-critical industrial and telecommunications systems, as well as for embedded systems.

Working Principle of the CAT1162WI-25-GT3

The CAT1162WI-25-GT3 is a precision voltage monitoring device that compares an adjustable reference voltage (Vref) to the input voltage (Vin). If the input voltage exceeds or falls below the reference voltage, the device will send a logic signal to the output. This signal can be used as a reset, warning or shutdown signal.

The device also features an adjustable reset time delay (Tdelay), which provides a delay between the time that the reset occurs and the time that the device actually resets. This is used to ensure that the device operates correctly when a transient voltage is applied. The reset time delay is adjustable in a range of 0.1ms to 500ms.

The device also has a fail-safe protection, which is used to protect the system from a voltage surge or brown-out. If the input voltage exceeds a predetermined level, the device automatically shuts down and prevents any further damage to the system.

Conclusion

The CAT1162WI-25-GT3 is a highly versatile power management integrated circuit (PMIC). It is used in a range of automotive, consumer and industrial applications, offering an adjustable output voltage supervisor for 5V or 3.3V systems. It features a reset input with hysteresis, as well as a programmable alert level and a fail-safe protection. The device also has an adjustable reset time delay, which can be used to ensure that the system resets correctly. With its wide range of features, the CAT1162WI-25-GT3 is the perfect choice for any power management application.

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