FSD200BM

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PMICs or power management integrated circuits are components used in devices all over the world to provide power to different components. AC and DC converters, offline switchers and FSD200BM are all examples of these. FSD200BM is a controller dedicated to offline switch power supplies. In this article, we will discuss the application field and working principle of FSD200BM.

FSD200BM is among the highest performing offline switching controllers currently available. It is highly rated for its reliability, low cost, and integrated solutions. It is widely used in a variety of applications such as power transformation units, power adapters, battery charging systems, air conditioners, fans, and more. It is commonly used in electronic devices such as TVs, computers, and even automotive electronics.

FSD200BM is a controller with a high cost-performance ratio. It is based on Renesas\' low-power IC design technology, the “near-zero loss-SOC”. This enables the device to achieve efficiency of up to 99.4%, significantly reducing power losses and device heat. It also has a wide operating range of 85 to 265 VAC. This is ideal for low-voltage applications, allowing designers to reduce design complexity and cost.

FSD200BM also features integrated protection circuits such as pulse-width-modulation (PWM) current-mode control, short-circuit protection, overload protection, open-circuit protection, and over-voltage protection. This provides complete protection against any potential damage to the device. In addition, it includes an adjustable current limit function and an excellent current-mode control loop.

The working principle of FSD200BM is based on a power MOSFET that is operated by the PWM current-mode control loop. The PWM current-ripple control loop constantly compares the current loop output to the voltage-regulated reference voltage. This comparison allows the device to maintain an accurate and stable voltage output. The device also includes an integrated current sensing circuit that monitors the current output at the output terminals. This allows the device to adjust the PWM gate voltage, which in turn adjusts the power output.

FSD200BM also features a wide range of protections and functions such as over-temperature protection, over-voltage protection, power-factor correction, and auto restart. The device also features output-voltage adjustability, which allows the user to easily adjust the output voltage from a wide range of 0-50V. The device also offers an internal temperature monitor, allowing the user to monitor the temperature of the power supply for safe operation.

In conclusion, FSD200BM is a high-performance and cost-effective power management IC. It is widely used in many applications and provides reliable and efficient power conversion. The device’s integrated protection circuits, adjustable current limit, and excellent current-mode control, ensure the device stays safe and reliable while providing clean and stable power. With its wide operating range, adjustable output voltage, and temperature monitor, it is an ideal choice for many power supply budgets.

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