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Secure NFC

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Building the most effective and secure mobile solutions

ST is a recognized leader in secure NFC solutions for Mobile devices and has become a reference in the Android ecosystem. ST provides an exhaustive product offering, combining an NFC controller, an embedded Secure Element (eSE), and an embedded SIM (eSIM), either as a single chip (ST54 product line), or as discrete solutions (ST21NFC and ST33 product lines). Our secure NFC solutions support a vast range of secure mobile applications such as mobile payment, transit ticketing, access control, mobile ID, and digital car key. A white-label digital wallet, STPay-Mobile, is also offered to mobile OEMs to facilitate their “OEM-Pay” wallet deployment, including transit ticketing, access control, and payment.

Applications

Our secure NFC technologies are embedded in various devices such as smartphones, tablets, wearables, game consoles, laptops, and connected cars.

A dark blue icon of a hand holding a smartphone with wireless signal waves, symbolizing mobile communication or contactless interaction.
Personal electronics
  • Mobile payment
  • Transit ticketing
  • Access control
  • Mobile ID
  • NFC charging
  • Digital car key
A dark blue front view icon of a car, representing an automobile
Automotive
  • Digital car key

Product types

The secure NFC family offers several products, from the ST21NFC standalone NFC controller to ST54 combined NFC & eSE/eSIM chips, up to STPay-Mobile digital wallet solution.

A person holding a smartphone and making a contactless payment using a handheld card reader.

ST21NFC NFC controller

The ST21NFC delivers best-in-class RF performance, ensuring seamless and reliable NFC transactions. Designed with efficiency in mind, it features an optimized bill of materials and low power consumption, making it an ideal choice for cost-effective and energy-efficient applications.

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A person holding a smartphone and making a contactless payment using a handheld card reader.

ST54 NFC & eSE/eSIM

The ST54 is a single-die convergence solution combining an NFC controller, an eSE and/or an eSIM, referenced by all platform providers.
ST’s GSMA SAS-UP-certified production flow ensures robust security for eSIM personalization. The ST54 is Android Ready SE compliant and supports MIFARE®, FeliCa® and Calypso® technologies, making it ideal for various contactless applications.

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A hand holding a smartphone displaying a colorful mobile app interface, with a busy indoor public space in the background.

STPay-Mobile Mobile wallet platform

STPay-Mobile is a mobile wallet platform built on the ST54 solution, designed to support digital wallets for secure NFC applications. This platform ensures seamless integration and robust security for a wide range of NFC-enabled services.

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Benefits

  • A reference solution in the Android ecosystem, already adopted by most major OEMs 
  • A multi-configuration offering: standalone NFC or NFC+eSE or NFC+eSIM or NFC+eSE+eSIM 
  • High security expertise assessed by independent security certifications: Common Criteria, EMVCo®, GSMA eSA and GSMA SAS UP 
  • Best-in-class RF performance, with proven RF interoperability in transit, payment, and access control 
  • Access to key technologies for transit and access control, such as MIFARE® and FeliCa® 
  • An established leadership in eSIM, with over 1 billion eSIM units shipped to date 
  • A white-label and end-to-end solution for digital wallets with STPay-Mobile 

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eDesignSuite

eDesignSuite is a comprehensive set of easy-to-use design-aid utilities ready to help you streamline the system development process with a wide range of ST products.

Power Management Design Center

Thermal-electrical Simulators for Components

Signal Conditioning Design Tool

NFC/RFID Calculators

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Power Management Design Center

Power Supply Design Tool

• SMPS design, by topology, by type and by product
• PFC design with analog and digitial control
• Supports various PCB configurations
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DC/DC
AC/DC
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Power Management Design Center

LED Lighting Design Tool

• Handles AC-DC and DC-DC design in common topologies
• Displays interactive and annotated schematic
• Provides current/voltage graphs, Bode plots, efficiency curves and power-loss data
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DC/DC
AC/DC
Power Management Design Center

Digital Power Workbench

• Provides a step-by-step optimized design of power section and control loop
• Generates the STM32Cube embedded software package for custom applications and allows firmware project generation, compatible with multiple STM32 IDEs
Power Management Design Center

Power Tree Designer

• Specify input/output power for each node in the tree
• Check for consistency
• Design each individual node
Choose design tool:
Thermal-electrical Simulators for Components

AC Switches Simulator

• Select ratings and application waveforms
• Get junction temperature and blocking voltage graphs
• Search and sort suitable devices
Thermal-electrical Simulators for Components

Rectifier Diodes Simulator

• Select ratings and application waveforms
• Estimate power losses
• Search and sort suitable devices
Thermal-electrical Simulators for Components

STPOWER Studio

• Supports long mission profiles
• Provides power loss and temperature graphs
• Helps define heatsink thermal properties
Thermal-electrical Simulators for Components

Twister Sim

• Help select the right ViPOWER Automotive power device
• Supports load-compatibility, wiring harness optimization, fault condition impact and diagnostic analysis
• Supports various PCB configurations
Thermal-electrical Simulators for Components

TVS Simulator

• Specify system ratings and surge waveform
• Search and sort suitable devices
Thermal-electrical Simulators for Components

Estimate

• Build simple schematics and firmware inputs in minutes
• Quickly generate reliable estimates of battery life, system power consumption and bill of materials costs
Thermal-electrical Simulators for Components

PCB Thermal Simulator

• Thermal analysis of a PCB from Gerber files.
• Possibility to add heat sources, heat sinks, copper areas and thermal paths.
• Powerful server-side engine for rendering and simulation.
• Thermal results shown graphically via 2D table.
Choose design tool:
Signal Conditioning Design Tool

Active Filters

• Handles multi-stage-designs and common topologies
• Returns circuit component values
• Provides gain, phase and group delay graphs
• Low Pass, High Pass and Band Pass
Signal Conditioning Design Tool

Comparators

• Handles most common configurations
• Returns circuit components values
• Provides I/O signal waveforms
• Inverting, Non Inverting, Window
Signal Conditioning Design Tool

Low side Current Sensing

• Returns circuit component values
• Provides current error graphs
Signal Conditioning Design Tool

High side Current Sensing

• Provides current error graphs.
• Help to select the right High side current sensing and shunt devices.
Choose design tool:
NFC/RFID Calculators

NFC Inductance

• Input geometry and substrate properties
• Get antenna impedance
NFC/RFID Calculators

UHF Link Budget

• Enter forward and reverse link characteristics
• The tool returns link budget estimate
NFC/RFID Calculators

NFC Tuning Circuit

• Enter antenna parameter and matching target
• Select the topology of the matching network
• The tool returns component values for the desired design targets

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