NCV33064D-5R2G

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Power management integrated circuit (PMIC) is an important component in the process of subsystem and system integration. Supervisors is a type of PMIC, it includes a power supply and comprehensive power management functions. NCV33064D-5R2G is a two-channel high-side switches/load switches supervisor with monitoring and control functions. It is suitable for automotive, industrial, and any related application, making power management design easier and better.

NCV33064D-5R2G is a high-accuracy triple power-on reset /voltage supervisor integrated with two high-side switches (N-Channel MOSFET) capable of operating in both PWM and linear modes. This component also provides current protection, fixed voltage reference and adjustable voltage reference. The component has an operating voltage range from 2.5V to 5.5V, being more suitable for automotive, industrial, and other related application. It can operate from -40℃ to +125℃ ambient temperature.

NCV33064D-5R2G’s application field mainly consists of providing system and subsystem power monitoring and protection. The component can protect a system from power failure or component failure. The component also provides voltage and current protection with two external resistor setting, which can provide high accuracy protection. Furthermore, the component also can provide monitoring and control functions, which protect the system from fault condition.

NCV33064D-5R2G’s working principle is based on comparator principles. It consists of two high side switches (N-Channel MOSFET), two comparators, voltage reference, current limiter and 3 power on reset (PoR). The voltage reference is used to supply the 1.25V reference voltage to the comparator. The three PoR provides power-on-reset indication, wherein the voltage of VDD must reach higher than the threshold, then it creates a power on reset active signal. The PoR will follow the start up sequence about 3V/2V/1.25V, thus, allowing the system to get ready and enter normal operation.

In terms of current protection, NCV33064D-5R2G can provide continuous current limitation and the fold back characteristic. It uses two external resistor configuration to set the fold back current level. The component it is also able to detect open load condition, thus preventing the system to be damaged. Lastly, the component is able to detect power faults, such as over-voltage, under voltage, over current, etc. and also toggle two external MOSFET switches.

In conclusion, NCV33064D-5R2G is a two-channel high-side switches/load switches supervisor with monitoring and control functions suitable for automotive, industrial, and any related application. It can protect a system from power failure or component failure through its voltage and current protection as well as monitoring and control functions. Its working principle is based on comparator principles with voltage reference, current limiter and three PoR. This makes it an ideal component to use power management design easier and better.

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