#TechReliability

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[leiditechelectonicpublishing]

New ESD anti-static solution for NFC equipment interface

1、 What is an NFC device

NFC (Near-field communication) equipment is a wireless communication technology, which can realize short-range wireless communication and data exchange. It is based on Radio Frequency Identification (RFID) technology and Internet technology, using radio waves to transmit information between devices.

NFC devices usually consist of two parts: one is a reader/writer, used to read and write information on NFC tags or devices; The other is an NFC tag or device used to store and transmit information. For example, a mobile phone can serve as an NFC reader/writer, and an NFC label can be a regular piece of paper with information written on it, which can be read and written by the phone.

NFC technology has a wide range of applications in daily life, such as mobile payments, public transportation, smart homes, ticketing services, etc. Users can use NFC devices to pay for goods or services, enter public transportation or cultural venues, control household appliances, obtain ticketing information, and more. At the same time, NFC technology also provides more business opportunities for enterprises, such as promotional activities, providing customer service, and so on.

In short, NFC devices are a convenient and fast wireless communication technology that can provide users with a more convenient life experience and provide enterprises with more business opportunities.

2、 Necessity of NFC equipment anti-static

Anti static of Near-field communication equipment interface is very important, because static may have a negative impact on equipment performance, or even lead to equipment damage. In NFC device interfaces, charges may accumulate on the metal components of the device and generate an electric field around the interface. If static electricity is not properly handled, it may cause damage to the equipment.

3、 NFC equipment interface anti-static scheme

The following are some common methods to prevent static electricity from affecting NFC device interfaces:

Use metal shielding covers, use static eliminators, and use interface anti-static devices. At present, using anti-static devices ESD is the most effective and cost-effective solution. It is necessary to provide anti-static protection devices above 18V. Shanghai Leiditech has provided a board level design solution for the following series of devices.

NXPNTAG21 series

NXP MIFARE Classic Series

NXP MIFARE DESFire series

NXP MIFARE UItralight series

Sony FeliCa column

STMicroelectronics ST25 column

Infineon SLE column

Broadcom BCM2079x Series

Samsung TecTiles column

AMSAS395x series

This article discusses the use of Shanghai Leiditech’s large scan ESD devices ULC2421CS and ULC2442CS to protect these chips on small devices such as smartphones, watches, and bracelets.

If you’d like to learn more or have any questions, don’t hesitate to reach out: 📧 [sales16@leiditech.com] 🌐 Visit us at [en.leiditech.com]

#StaticShield #NFCProtection #SmartTechDefense #ESDGuardians #SnapBackTech #ShanghaiLeiditech #WearableTechSafety #IoTSecurity #ElectrostaticArmor #EMCDesign #FutureProofTech #TechThatProtects #ESDsolution #TechReliability

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