S-812C52BPI-C5GTFU Integrated Circuits (ICs)

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The S-812C52BPI-C5GTFU is an integrated linear voltage regulator from Samsung created especially for the automotive electronics market. It is a dual-channel, 5A linear voltage regulator with an operating temperature range from -40°C to +125°C, and a high power dissipation of up to 9W. It is designed to provide reliable voltage regulation in automotive applications, and its wide range of features enables it to be used in a variety of different applications. This article will explore the S-812C52BPI-C5GTFU’s application field and its working principle.

Application Field

The S-812C52BPI-C5GTFU is designed for use in automotive systems with an operating voltage of up to 32V, and operates from an input voltage range of 4 to 32V. It is designed with dual-channel outputs, and each output can be independently adjusted for either positive or negative output voltage. The maximum output voltage range of each output is -0.3 to +33V, with a maximum output current of 5A. It has a wide operating temperature range of -40°C to +125°C, and can be used in a variety of automotive applications, such as HVAC, body electronics, and powertrain.

The S-812C52BPI-C5GTFU is also ideal for use in Low-Temperature Coefficient (LTC) applications. It operates with a high efficiency of up to 95% and low quiescent current of up to 2mA, making it an efficient and reliable voltage regulator for automotive and industrial applications. Additionally, it has a very low standby current of 0.1μA, which reduces the overall power consumption in low-power designs. It also has an adjustable soft-start function, which improves the inrush current behavior of the system.

Furthermore, the S-812C52BPI-C5GTFU offers excellent protection features, including overvoltage, undervoltage, reverse polarity, overcurrent and over temperature protections. It also has built-in self-diagnosis capabilities, allowing it to detect and report any malfunctions or faults. This helps in reducing system downtime and improving overall system reliability.

Working Principle

The S-812C52BPI-C5GTFU is a linear voltage regulator, meaning that it operates by controlling the amount of current flowing through its pass element, or the transistor that is used to regulate the output voltage. The pass element is controlled by the voltage at the feedback terminal, which represents the voltage at the output of the regulator. The feedback terminal is then connected to a reference voltage, which is preset by the user to the desired output voltage. The S-812C52BPI-C5GTFU uses a high gain error amplifier to compare the output voltage with the reference voltage and control the pass element accordingly. When the output voltage deviates from the reference voltage, the error amplifier adjusts the current through the pass element to correct the output voltage.

The S-812C52BPI-C5GTFU also has an integrated switch mode architecture that helps it achieve excellent power efficiency. It is capable of operating at high frequencies, up to 1MHz, allowing for great power savings even at higher output currents. The integrated switch mode architecture also helps reduce noise and ripple on the output voltage and enables fast transient response times. The S-812C52BPI-C5GTFU has also been designed with a wide operating range, making it adaptable to a variety of different applications, and has a high power dissipation of up to 9W.

Overall, the S-812C52BPI-C5GTFU is an integrated linear voltage regulator that is specifically designed for the automotive electronics market. It is a dual-channel, 5A linear voltage regulator that provides reliable voltage regulation in automotive applications, and has a wide range of features that enables it to be used in a variety of different applications. It has a wide operating temperature range of -40°C to +125°C, and is capable of operating from an input voltage range of 4 to 32V. It also has excellent protection features, including overvoltage, undervoltage, reverse polarity, overcurrent and over temperature protections. Additionally, it utilizes a switch mode architecture to improve power efficiency and reduce noise and ripple on the output voltage. The S-812C52BPI-C5GTFU is thus an ideal choice for automotive and industrial applications, and can provide reliable voltage regulation even in harsh operating conditions.

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