NCP1200AP60

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PMIC, or Power Management Integrated Circuit, is a type of electronic device used to convert AC or DC power from one format to another. The NCP1200AP60 is an integrated power management IC for automated factory equipment and consumer applications, developed by ON Semiconductor. This PMIC specifically targets applications that require non-isolated AC/DC buck-boost-flyback and HVLED drivers, with a few extra features added. As a single-chip solution, it enables both low-EMI and efficient energy management. This article will discuss the application field and working principle of the NCP1200AP60.

Application Field

The NCP1200AP60 is well-suited for AC/DC applications in both industrial and consumer electronics, such as factory automation equipment, point of sale systems and robotics systems. For these industrial applications, the PMIC supports a range of input and output voltages, as well as low-noise and efficient switching capability for improved system performance. Additionally, the NCP1200AP60 is well-suited for LED driver applications such as LED displays and LED lighting. In these applications, the PMIC supports a wide range of LED strings, as well as sophisticated dimming methods such as phase-cut, pulse-width modulation (PWM), 1-10V analog dimming and more. The PMIC is also designed to meet various safety standards such as IEC60335. By combining power, control and advanced dimming functions, the NCP1200AP60 simplifies LED driver designs and reduces system cost.

Working Principle

The NCP1200AP60 utilizes a buck-boost-flyback topology to provide a reliable and efficient power source. It contains all of the necessary control circuitry and protection functions in a single chip, along with two digital core monitoring processors that manage power supply sequencing, over-voltage protection, under-voltage protection, short-circuit protection, and over-temperature protection. The PMIC provides two output voltage loops, each of which contain a synchronous buck controller and a linear controller. The synchronous buck controller supports a range from 0.85V to 48V, while the linear controller provides an adjustable output range of 0.1V to 2.5V. The two controllers work together to control the output voltage in high-accuracy voltage and current modes.The NCP1200AP60 also supports HVLED configurations, with the inductor and capacitor selection optimized to maximize driver efficiency. The PMIC can use an internal PFC PWM controller to achieve a high power factor, while an adaptive DI mode minimizes the amount of EMI generated by the system. In addition, the NCP1200AP60 provides several power saving modes, including standby, ultra low power and sleep, which can further reduce system power consumption.

Conclusion

The NCP1200AP60 is an integrated power management IC developed by ON Semiconductor that is well-suited for automated factory equipment and consumer electronics. The PMIC utilizes a buck-boost-flyback topology to provide a reliable and efficient power source, with control/protection functions and multiple output voltage loops integrated into a single chip. The PMIC also supports various LED driver configurations, with power saving modes and advanced dimming methods. By combining all of these features into a single chip, the NCP1200AP60 simplifies system designs and reduces cost.

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