NCP1216AD133R2

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PMIC or Power Management Integrated Circuits are used for various applications as AC, DC and Offline Switchers. The NCP1216AD133R2 specifically is a High Voltage Power Factor Correction and Single-Stage Offline PFC Controller, designed especially for Switch Mode Power Supplies (SMPS).

The NCP1216AD133R2 is a controller IC with features such as standby function, soft start, active burst timing, an oscillator with switch-mode operation, frequency jittering, temperature sensing and feedback protection, making it optimal for a wide range of AC/DC converter designs. The controller IC includes an 8-bit 8051 microprocessor and sensors to control an active bridge and a synchronous buck DC/DC converter, both of which are integrated with the NCP1216AD133R2.

The IC features a wide input voltage range of 4.5V to 20V and can provide up to 40A output current. It is designed to operate up to 450KHz and has a low power consumption, making it suitable for various online and offline AC/DC and DC/DC switching applications. It also has a temperature sensing facility for limiting temperature rise in the system.

The NCP1216AD133R2 is designed to protect systems from reverse currents, overloads, short-circuits and various other common problems that may occur in AC/DC switching. The IC detects these problems and automatically adjusts the control parameters of the switch accordingly to benefit system protection. This is especially helpful in applications in which the controlled load is not isolated from the AC mains, as the IC can shut down the system before the load becomes damaged.

The NCP1216AD133R2 also features an adaptive voltage control loop, which allows the system to achieve a power factor higher than 0.90 when operating in continuous conduction mode. This is achieved by measuring the current feed speed of the load not connected to the AC line and adjusting the duty cycle of the controlled switch accordingly. The adaptive voltage control loop helps to reduce harmonic distortion and noise generated by the system.

To provide a high efficiency and reliable system, the NCP1216AD133R2 uses a current-mode control technique which is based on an advanced signal processing that helps improve the dynamic performance of the system by providing accuracy and faster response to the output signal. This technique also helps reduce the system\'s temperature, making it suitable for applications where thermal issues must be addressed.

In summary, the NCP1216AD133R2 is a suitable IC for AC/DC and DC/DC Offline Switchers and AC/DC convergence applications. It can be used to protect systems from various problems such as short-circuits, reverse currents and overloads, and also offers an adaptive voltage control loop for power factor control, current-mode control and a temperature sensing function for superior efficiency, reliability and lower system temperature.

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