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ESD immunity-level optimization of a high-side switch application based on the VNI4140K

Posted: 13 Apr 2010 ?? ?Print Version ?Bookmark and Share

Keywords:ESD immunity optimization? high side switch? VNI4140K switch application?

The VNI4140K is a quad-channel high-side driver designed for industrial applications. It is a monolithic device manufactured using STMicroelectronics' VIPower technology intended for driving four independent resistive or inductive loads with one side connected to ground. The device fully complies with standards including JEDEC (JESD22) and IEC 61131-2. It conforms to the "human body model" ESD test in accordance with the JESD22-A114 definition. The immunity level is 2,000V, as stated in the datasheet of the device.

When the VNI4140K is mounted in the complete application, the system must meet minimum requirements defined by generic standard IEC 61000-4-2. However, the actual immunity level depends on the manufacturer of the final application. To achieve the required level of immunity, the device must be equipped with a suitable application environment, external components and/or a suitable PCB layout. This application note provides some recommendations on how to optimize the ESD immunity level of the VNI4140K high-side switch application in accordance with the IEC 61000-4-2 standard.

View the PDF document for more information.

Click here to view related datasheets.

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