ADUM3221WARZ-RL7

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The ADUM3221WARZ-RL7 is a high performance, isolated gate driver IC that is specially designed to control external MOSFETs, IGBTs, and other power switches. It features an integrated, isolated high side switch, an isolated low-side gate driver, and an optional ±15V gate driver output for higher MOSFET/IGBT voltages. The device also includes a comprehensive set of safety and protection features, making it suitable for a wide range of applications in industrial, automotive, and communications systems.

The ADUM3221WARZ-RL7 is optimized for high speed switching applications. It provides separate inputs for high side and low side gate drive and an additional separate input for the gate driver output. It includes a dedicated set of control pins for supplying gate drive voltage, enabling fast switching times. It features a wide operating voltage range, making it adaptable for a variety of applications.

The ADUM3221WARZ-RL7 is comprised of a set of three isolated switches: a high side switch, a low side switch, and a gate driver output. The high side switch is an insulated power MOSFET switch and provides a high isolation voltage between the load and the switch control inputs. The low side switch is a bidirectional insulated MOSFET and provides low side driver control. The gate driver output is an insulated low side MOSFET switch and provides output voltage and current control for external MOSFETs or IGBTs.

The device provides a wide range of protection features, including over-temperature protection, overload protection, under-voltage protection, over-voltage protection, and short circuit protection. The device also provides several diagnostic flags, such as current fault detection, enabling robust fault diagnosis. The overall system monitoring is enhanced by the on-chip power sampler, that can monitor voltage and current.

The ADUM3221WARZ-RL7 is ideally suited for a variety of applications, such as motor control, DC/DC converters, switched mode power supplies, and low-voltage contactors. In these applications, the device provides fast switching and effective protection. The device is also suitable for applications where high-frequency transitional noise and EMC immunity are required.

In summary, the ADUM3221WARZ-RL7 is a high performance, integrated isolator that provides effective switching and protection for a wide range of applications. It features a wide operating voltage range and an extensive set of safety and protection features, making it suitable for a variety of applications.

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