ACPL-W349-500E

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Isolators - Gate Drivers

The ACPL-W349-500E is an isolated, high-performance gate driver optocoupler in a 16-pin dip package. It is designed to provide an isolated path between the gate input of a power MOSFET or IGBT and the source circuitry while driving the power switch. It offers a low propagation delay (<200ns) and 2500VRMS of isolation, providing improved performance for motor control and fully digitalized power control.

The ACPL-W349-500E behaves similarly to an H-bridge and can be used to drive an external power switch, such as an N-Channel Power MOSFET (N-FET) or an Insulated Gate Bipolar Transistor (IGBT). The input side of the optocoupler is connected to the gate drive circuits, which provide the necessary voltage and current needed to drive the optocoupler and its connected power switch. The output side of the optocoupler is connected to the gate input of the power switch. Some optocouplers, such as the ACPL-W349-500E, also include a built-in buffer that helps to improve performance.

The ACPL-W349-500E includes a forward voltage of 1.7V, an output current of 200 mA, and a rise and fall time of 250 ns. It features a 2.5 kV isolation barrier between the input and output side, which makes it a great solution for power electronics systems working under heavy electrical noise. Additionally, the device includes two LEDs, one for the input side and one for the output side.

The ACPL-W349-500E is mainly used in motor control and power semiconductor applications. It can be used in a variety of different motor control systems including induction motors, brushless DC motors, and stepper motors. The device is also used to drive IGBTs, MOSFETs, and other high-voltage switches. The small form factor and lightweight package of the optocoupler makes it a great solution for space or weight-limited applications.

The ACPL-W349-500E is a great way to provide a high-performance and reliable gate drive for power semiconductors and motor control systems. It provides an isolated path between the input and output sides, making it an ideal solution for applications under high electrical noise. Additionally, the optocoupler also offers a low propagation delay, fast switching time, and easy interface between the control and power systems.

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