MIC803-46D4VM3-TR

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Power management integrated circuits (PMICs) are essential components in electrical systems, controlling the movement and conversion of power among the different parts of a device. Automotive, consumer applications, and industrial components can benefit from the utilization of PMICs due to improved power efficiency and greater functionality. Supervisors are a type of PMIC that are mainly used to monitor the power supply and reset peripherals as needed. Among supervisor components, the MIC803-46D4VM3-TR is a product from Microchip Technology that offers comprehensive protection from many power supply scenarios.

The MIC803-46D4VM3-TR supervisor is able to reliably monitor power through its dual reset input pins. The two reset inputs can detect a low power supply voltage, a voltage drop on the power rail, or an unexpected increase in power supply voltage. The supervisor is designed to quickly actuate its outputs depending on the input conditions, keeping the system safe from device damage.

Since it is an automotive grade device, the MIC803-46D4VM3-TR offers an operating temperature range that is optimized for high temperatures. The temperature range of the unit is -40 to +125 ˚C, allowing it to withstand the extreme conditions found in automotive electronics. This is especially useful in applications that require long life and power stability in high temperature environments. The MIC803-46D4VM3-TR also has a wide input voltage range, making it suitable for a variety of power supply sources.

The MIC803-46D4VM3-TR is intended for use in applications such as engine control, body control, infotainment multimedia, driver assist modules, and other automotive systems that require reliable power management. These applications need stability from their power supply, and the MIC803-46D4VM3-TR is designed to provide it in an efficient and cost-effective package.

The MIC803-46D4VM3-TR supervisor works by sourcing a constant reset current (IRC) every time a power supply fails. If a low voltage condition or a sudden rise in voltage occurs on the powered line, the IRC will be activated and will stay active until the sytem voltage returns to normal. The IRC ensures that the supervisor is able to communicate with the other peripherals in the system, informing them of the power supply status. When the system voltage returns to normal, the IRC is disabled and the system will then reinitialize itself.

In addition to its resetting features, the MIC803-46D4VM3-TR also offers other circuit protection capabilities. The supervisor is able to detect power faults, reverse polarity protection, ESD protection, over current protection, under voltage detection, and over voltage protection. With these features, the MIC803-46D4VM3-TR ensures the integrity of the system and its components during power related scenarios.

The MIC803-46D4VM3-TR is the perfect choice for automotive and industrial applications that require robust power-management protection. It offers temperature and voltage protection, as well as reliable reset protection, in a cost-effective package. This product is an excellent option for applications that demand reliable power management in high temperature and harsh environments.

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