SG3524BDW

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SG3524BDW is a Pulse-width Modulation (PWM) voltage regulator controller integrated circuit, specifically designed for DC to DC converters and switched-mode power supplies. It is part of a wide range of sub-modules manufactured by the semiconductor company Texas Instruments (TI). This device is primarily aimed at controlling low-power Buck, Boost, Buck-Boost and Sepic DC power supplies. It is commonly used as an industrial and commercial grade solution for designers who require high reliability, long term stability and durability.

Application Field

This device is mainly used for low-power DC/DC power supplies, such as those used in mobile applications or embedded systems. The SG3524BDW PWM controller offers designers the ultimate in performance and flexibility with fully integrated features, such as under-voltage and over-voltage protection, frequency doubling and soft-start control. It can also be used for other low-power applications. The operating temperature range, robustness and tiny package make it ideal for a range of industrial and even medical applications. Additionally, the device is capable of running in as low as 12V, making it suitable for battery powered applications.

The device can easily be integrated into other systems, such as automotive, industrial and computer power supplies, as an efficient source of power. It is also suitable for more demanding projects, such as renewable energy systems, inverters and power electronics.

Working principle

The SG3524BDW PWM is a TTL-specified PWM integrated circuit that is optimized for DC-to-DC converters. This device uses a fully integrated feedback and output control circuit, which dynamically adjusts its operation based on user-defined parameters. The device adjusts its output voltage, current and frequency in order to maintain precise voltage regulation. In doing so, it increases the overall efficiency and reliability of the system.

The device is designed to be used in conjunction with an external power MOSFET switch to realize a fully-programmable, self-regulating, closed loop DC-to-DC converter. It has two inputs; a primary supply (Vin) used to power the integrated circuit, and a secondary supply (Vref) used as an input signal to the pulse-width modulator (PWM). The output voltage of the PWM is then used to control the MOSFET switch, effectively allowing the user to control current and power levels. The PWM operates in two different modes; frequency modulation (FM) and pulse-width modulation (PWM). In frequency modulation mode, the frequency of the PWM is adjusted according to the input voltage, while in pulse-width modulation mode, the width of the PWM pulse is adjusted to control the output voltage.

The SG3524BDW PWM is a very versatile and efficient solution for any industrial control application. It is capable of providing both constant voltage and constant current regulation and provides protection features such as current limit, under-voltage lockout and over-voltage protection. With its small size and low power consumption, this device is a perfect fit for mobile and embedded applications.

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