NCP585HSN09T1G

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NCP585HSN09T1G Application Field and Working Principle

NCP585HSN09T1G is an advanced Linear Voltage Regulator from ON Semiconductor. As a member of the ON Semiconductor family\'s automotive-rated regulated voltage monitor, the NCP585HSN09T1G is designed to provide the electrical control solution for the power regulation of Battery Management, Automotive Motor Control and Security Ecosystems. The NCP585HSN09T1G is designed to operate over an extended temperature range of -40°C to + 125°C.

The NCP585HSN09T1G is used as a voltage detector and monitors the voltage of the supplied power source. It can detect and measure the output of battery and system power supplies, motor supplies, and any other power supply having output within the range of operation. The NCP585HSN09T1G features adjustable output voltage, internal current limiting, over temperature protection and low voltage dropout. The NCP585HSN09T1G uses an advanced integrated architecture to provide the necessary control, reliable output voltage regulation and low quiescent current performance required for advanced automotive applications.

Application Areas

The NCP585HSN09T1G is suitable for multiple application areas, such as:-

• Power management of fuel cells, solar cells, and gasoline engines;
• Battery control and motor control in automotive applications;
• Security system, GPS, and radar;
• Industrial and commercial applications.

Functionality & Working Principle

The NCP585HSN09T1G is designed to operate over an extended temperature range and provides high accuracy voltage regulation. The device engages a low current load (the user load) and maintains a highly accurate regulated output voltage even when the user load and input voltage vary over a wide range. This regulated output voltage is provided for a wide range of input voltage (from 2.7 to 40 V) and user load conditions. The NCP585HSN09T1G is designed to have a very low quiescent current and a low voltage dropout across the wide range of operating parameters.

The basic working principle can be explained by examining the internal circuit of the device. The integrated circuit consists of two transistors and two resistors in a divider network. There are two inputs to the circuit, a VIN input and a VREF input. The VIN input connects to the supply voltage and the VREF input can be adjusted to provide the desired regulated output voltage. When the VREF input is connected to a higher voltage than VIN, the two transistors act in a current-gain fashion, so that the voltage across the divider network is equal to the VREF input. This process is called "linear regulation" and is used for providing accurate, low-noise regulated output voltages. The low quiescent current of the NCP585HSN09T1G is achieved by using a low power CMOS process and efficient design.

The NCP585HSN09T1G is an excellent choice for providing power regulation solutions for various automotive applications. With its extended temperature range, efficiency, and stability, the NCP585HSN09T1G is perfectly suited for powering battery management systems, motor control systems, security ecosystems, and other industrial and commercial applications.

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