BD7954FS-E2

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The BD7954FS-E2 is a member of the PMIC-Motor Drivers, Controllers family. It is a high-voltage, high-current, high-current switching circuit power IC, first released by ROHM Semiconductor in 2020. It is widely used in audio amplifiers, monitors, white goods, power supplies, and other industrial and consumer devices.

The BD7954FS-E2 application field mainly focuses on audiovisual systems, such as audio and video equipment, DVD players, home theaters, digital TVs and other audio-visual products. It is also suitable for motor control, power supplies and various power control applications in automotive, industrial and consumer electronics.

The working principle of the BD7954FS-E2 is that it controls two power supply switches (K1 and K2) having a total output current of up to 4A. The power supply switches are connected in parallel and operate in a complementary manner. When K1 is in the ON position, the input source voltage is running and when K2 is in the ON position, the output load is connected through two MOSFETs.

The BD7954FS-E2 is equipped with a PWM decoder that performs the switching of the two power switches. This PWM decoder accepts an input voltage of 0V to 5V and is capable of generating the required PWM outputs with a resolution of up to 0.5µs. The BD7954FS-E2 has a built-in protection circuit to protect against overload and over-voltage. It also includes a temperature compensation circuit to ensure the operation is steady in temperature changes.

The BD7954FS-E2 is a high-performance power IC, suitable for a variety of applications. Its PWM decoder allows for accurate power control, while its built-in protection and temperature compensation circuits ensure stability and safety. Its high-voltage and high-current output make it ideal for applications in audio amplifiers, monitors, white goods, power supplies, and other industrial and consumer devices.

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