NCV891130PD33R2G

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NCV891130PD33R2G Application Field and Working Principle

NCV891130PD33R2G is a non-isolated gate driver controller which belongs to the family of DC-DC Switching Regulators or PMIC (Power Management Integrated Circuit). It has been designed for use in automotive applications where it is responsible for managing voltages to ensure the necessary power requirements.

This device is specifically designed to control a single, high-side power switch, and contains two capabilities, overvoltage/undervoltage and current limiting and it is optimized for an input voltage range between -14 V and 14 V. Its SOT-25 package configuration allows it to be easily integrated into tight spaces.

The device features four independent undervoltage protection levels. This helps to minimize power losses due to voltage drops. These levels can be programmed separately to protect against abnormal conditions like undervoltage, over-current and thermal shocks. Also, the NCV891130PD33R2G is designed to protect against over-temperature and electrical overstress conditions.

The primary function of the NCV891130PD33R2G is to provide an input signal to the gate of a power switching device, such as a MOSFET. This signal initiates the switching of current through the device, in order to regulate the output voltage at the set operating level. This device also provides an input signal to the low-side switch, which signals the desired level of current flow.

This device also contains two integrated current sensing systems, High side Sensing/Current Limiting (HSCL) and Low side Sensing/Current Limiting (LSCL). These two systems monitor the current flow through the power switch and ensure the stability of the power output within its specified parameters.

The HSCL function minimizes switching losses, while the LSCL ensures that the total current drawn out of the power source does not exceed the maximum rated current. This ensures the protective margins of the device, and its capability to withstand abnormal conditions. It also provides a way to regulate the amount of current drawn, helping to reduce power losses.

The main benefit of this type of PMIC is its ability to adjust the output voltage level according to the required power demand of the system. This adjustable range is within low and high setpoints, meaning that the user can control the output voltage as needed in order to ensure the adequate power delivery.

The NCV891130PD33R2G also features a shutdown logic pin. This pin can be used to shut down the device in order to conserve energy during periods of inactivity. Additionally, the device can be triggered by the power source’s open or close loop signals.

This device is an essential part of any automotive application that requires accurate control of power delivery. Its universal IO interface allows it to be easily incorporated in different setup. With its integrated current sensing capabilities, the device monitors and protects power delivery in order to maintain the integrity of the system.

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