HV9110NG-G

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HV9110NG-G is a DC-DC voltage-regulator controller from PMIC (Power Management IC) family which can be used in a variety of applications such as motor control, automotive, solar systems, and industrial power conversion. It is usually used in systems that require high power, good efficiency and durability. HV9110NG-G has the advantage of controllable output voltage and current, which gives users high degree of flexibility to manage their power resources.

The HV9110NG-G offers both synchronous and asynchronous buck topologies, allowing open loop voltage regulation or closed loop voltage control. It also includes automatic power save or light load mode detection, which can optimize the power usage under light load conditions. It also provides a wide range of protection functions including overcurrent and loss or gain of current. The HV9110NG-G offers high integration with small size and low standby current due to advanced process technology.

Working Principle:

The operating principle of HV9110NG-G is based on the buck converter topology. It is used to convert a higher input voltage to a lower output voltage by utilizing a switch connected between input and output. The switch is usually turned on and off by a pulse width modulation (PWM) signal generated by the buck converter\'s internal control circuit. During the on time of the PWM cycle, the input voltage is connected to the output and it will charge the output capacitor of the converter. During the off time, the input is disconnected from the output, and the energy stored in the capacitor will be released and supply the output. This process results in an output voltage that is regulated according to the pulse width which is controlled by the PWM signal.

The HV9110NG-G consists of two internal functions, voltage feedforward and current monitoring. Voltage feedforward is used to control the output voltage to remain steady. This is done by sensing the output voltage and generating a signal that is proportional to the input voltage. The signal is used to adjust the duty cycle of the PWM signal such that it will maintain the output voltage. The current monitoring function is used in order to protect the IC from excessive current conditions. It is used to compare the current flowing through the output inductor with the reference voltage. If the current exceeds the reference value, the current monitor will shut off the power stage.

In applications that require reliable power delivery, the HV9110NG-G Series is well suited as it provides high efficiency and precise current and voltage regulation. It also has a wide input voltage range and is capable of synchronous and asynchronous buck topologies. It can also be used to generate switched-mode power supplies such as flyback, boost, and forward converters. The HV9110NG-G has built-in protection features such as overcurrent and loss or gain of current detection, and can operate in a variety of temperatures, making it suitable for a wide range of applications.

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