NCP1075BBP065G

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The NCP1075BBP065G is an integrated circuit (IC) device that is part of the PMIC (power management integrated circuit) family and falls within the AC/DC converter and offline switching categories. This IC provides voltage-mode PWM control, giving designers greater flexibility and reduced external components compared to traditional solutions. The NCP1075BBP065G has many applications and this article will explain more about both the application field and working principle of this device.

Features of NCP1075BBP065G

The NCP1075BBP065G features several desirable features including a power cycling option which prevents the device from latching itself on as a result of any short circuit. The cycle-by-cycle current limit and OVP features are also built-in. Additionally, various sets of protection features including OTP, TSD, and cycle-by-cycle current limit make the device reliable.

In order to reduce external components like current sense resistors, the device includes an integrated 6-bit DAC that enables the designer to adjust the current sense reference voltage. The device also includes an integrated startup circuit and boot strap network for enhanced protection and enablement.

Applications of NCP1075BBP065G

The NCP1075BBP065G is commonly used for offline non-isolated AC/DC applications. This IC is suitable for a variety of applications including LED lighting drivers, adapters, chargers, and similar applications where cost effective, current mode solutions are required such as DC/DC converters and AC/DC power supplies.

Due to its small size and high efficiency, the NCP1075BBP065G is also used in many consumer electronics and computer peripherals such as external hard drives, monitors and low power computing systems. Additionally, due to its capability to precisely control output voltage over a wide range of input voltages, the IC can also be used in applications such as automotive, UPS and other emergency power supplies.

Working Principle of NCP1075BBP065G

The NCP1075BBP065G works using a straightforward voltage-mode PWM control technique. In this type of control the voltage sensing feedback is compared to an internal reference to generate an error signal. This error signal is then connected to an internal pulse-width modulator which then adjusts the duty cycle of the PWM circuit in order to achieve the desired output voltage.

The output voltage can be adjusted by modifying the error signal. This is done by means of an external voltage divider connected to the pulse width modulation input to adjust the internal reference for the error signal. The desired output voltage can be adjusted by simply changing the ratio of the voltage divider.

By utilizing a voltage-mode control technique, the NCP1075BBP065G provides a simple yet efficient approach to controlling the output voltage of a power supply. This allows the designer to reduce the amount of external components needed and provides greater flexibility in terms of output voltage regulation.

Conclusion

The NCP1075BBP065G is a powerful IC device that is part of the PMIC family that falls within the AC/DC converter and offline switching categories. This IC is commonly used for a variety of applications, allowing it to be used in various consumer electronics and computer peripherals. The device’s voltage-mode PWM control also makes it cost effective and efficient when compared to traditional solutions.

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