Introduction

The Microchip CryptoAuthentication™ devices are often used in product accessory or product ecosystem management in a wide variety of markets. These include battery authentication, disposable cartridge authentication or similar applications. When used in these applications, the only electronic device that is required on the cartridge is often the authentication device. For this reason, the 3-lead Contact package was developed to eliminate the need for a PCB board. The package itself is mounted by attaching the backside of the package to the item being authenticated with the exposed pads facing outward. Connection to the electrical contacts of the authentication device is made using mechanical pressure against the compression connectors or pogo pins (i.e., unsoldered connections).

Introducing an electronic device into a manufacturing environment that previously did not have one, will, in all probability, create new challenges. More specifically, appropriate electrostatic discharge (ESD) control measures will need to be applied to the manufacturing flow. The second portion of this application note is focused on understanding the basics of ESD and ESD control measures. This application note must be viewed as a primer to ESD controls. It is recommended that a customer lacking the expertise in ESD control work with an expert to develop a robust solution that minimizes the potential of damage to the electronic device.