FDS9953A

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FDS9953A is a two-phase synchronous rectified driver array targeted for the mobile phone market. This device utilizes a highly advanced N-Channel hexfet MOSFET technology in order to provide high efficiency and low on-resistance for battery charging applications. The product comes in Automotive or Industrial grade and is available in both through-hole and surface mount packages.

The FDS9953A has two wide voltage rated output channels and is able to switch up to 8A per channel. It has excellent thermal characteristics due to its very low on-resistance and an integrated thermal protection loop to prevent over-temperature. Its wide voltage rating allows it to be used in high voltage applications, typically up to 20V. It also has an integrated shutdown function and an integrated current sense amplifier.

The FDS9953A is designed as an array, meaning that it contains multiple identical transistors which can be used together in a circuit such as a charger. Its working principle is based on the control of the voltage across the transistor. A voltage is applied to the control gate of the transistor, which allows or prevents current from flowing through channel of the transistor. By controlling the voltage applied to the control gate, the FDS9953A is able to control the current that flows through the output channels.

The FDS9953A has two main applications: battery charging and motor control. It can be used to charge batteries in devices such as laptops and cell phones, as it is able to maintain a high efficiency when switching high currents. The integrated current sense amplifier also allows for precise control of the charging current. It is also used for motor control applications, as it can precisely adjust the voltage applied to the motor, allowing for precise speed control.

The FDS9953A is designed to be robust, highly efficient and reliable. Its integrated thermal protection loop helps to ensure that the chip is not damaged by high temperatures, while its wide voltage input range allows it to be used in a variety of applications. The integrated shutdown function also makes it easy to turn the device on and off, while the integrated current sense amplifier makes it easy to precisely control the charging current.

In conclusion, the FDS9953A is a highly advanced two-phase synchronous rectified driver array targeted for the mobile phone market. It is able to switch up to 8A per channel and is available in both through-hole and surface mount packages. Its applications include battery charging and motor control, and its integrated thermal protection loop, wide voltage input range, and current sense amplifier make it a great choice for these applications.

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