Welcome Here  Shenzhen Mingjiada Electronics Co., Ltd.

ST25R3920-AQWT is an automotive grade high performance NFC universal device supporting NFC initiator, NFC target, NFC reader and NFC card emulation modes.

Features

Dynamic power output controls the field strength to stay within given limits

Active wave shaping reduces overand under-shoots

Noise suppression receiver allows reception in noisy environment

Automatic antenna tuning via variable capacitor

Integrated EMVCo 3.0 compliant EMD handling

Automatic gain control and squelch feature to maximize SNR

Low power capacitive and inductive card detection

Low power NFC active and passive target modes

Adjustable ASK modulation depth, from 5 to 40%

Integrated regulators to boost system PSRR

AM/PM and I/Q demodulator with baseband channel summation or automatic channel selection

Possibility to drive two independent single ended antennas

Measurement of antenna voltage amplitude and phase, RSSI, on-chip supply and regulated voltages

Applications

CCC digital key NFC reader in locations like door handles, B-Pillars or center consoles

NFC Forum compliant universal device for pairing applications

Qi charging protection and NFC-based charging for in-car chargers

EMVCo 3.0 compliant contactless payment terminal

Original equipment, consumable and short range location detection inside a car

ISO14443 and ISO15693 compliant general purpose NFC device

FeliCa™ reader / writer

Support of all five NFC Forum tag types in reader mode

Support of all common proprietary protocols, such as Kovio,CTS,B’.

• 1.Is the inventory and price seen on the platform accurate?

  A: all online goods on the shelves can be ordered online, but considering the large liquidity of spot inventory, it is not possible to achieve 100% accuracy at present. In case of any abnormality, you can contact our company online and give the corresponding solution.

• 2.Are all our products genuine?

  A: our self-supporting products are from cooperative domestic and foreign original factories or authorized agents, and the source can be traced to ensure the original and authentic products.

• 3.Can you provide the qualification certificate of the original factory or agent?

  A: at present, our self-employed brands TI，ST，ADI，NXP，LATTICE，CYPRESS，INFINEON，XILINX and other first-line brands. Other channels are the original factory and agency channels. If necessary, we can communicate and confirm according to the specific brand and model.

• 4.Can I make an inquiry through the company's website?

  A: You can inquire through the website, or by phone and email.

• 5.When can I deliver the goods after placing an order? How long will it take to get there?

  A: the delivery date is marked in most commodity information. You can estimate the delivery time of the commodity according to the delivery date. The specific arrival time depends on the warehouse where the commodity is located and the logistics mode you choose.

• 6.Can the company issue an invoice?

  A: you can issue ordinary invoices for individual users or special VAT invoices for enterprise users.