RF & Wireless
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Products (710+)
NHS3152UK/A1 - NFC Therapy Adherence Monitor IC | NXP
The NXP NHS3152UK/A1 is a therapy adherence monitoring IC with an embedded 13.56 MHz NFC interface (ISO 14443), an internal temperature sensor, an ADC, a DAC, a current sensing interface, and a direct battery connection, housed in a 25-ball UFBGA/WLCSP package operating from 1.7 V to 3.6 V. A therapy adherence monitor IC is a highly integrated sensor-and-logging system-on-chip designed to record whether and when a medication container is opened or dosed. In the system hierarchy it sits between a passive NFC tag and a full microcontroller subsystem: it contains an Arm Cortex-M0+ processor, nonvolatile logging memory, sensing front ends, and a contactless NFC power/data link, making it a complete smart-sensor IC within the broader power management and RFID/NFC semiconductor family. Key features include the embedded NFC interface compliant with ISO 14443 at 13.56 MHz, an on-chip resistive-network sensing interface that can detect switch or foil openings, an internal temperature sensor for environmental logging, and an Arm Cortex-M0+ core that lets designers implement custom logging firmware. Because sensing, logging, processing, and the contactless interface are all on one die, the NHS3152 supports a single-layer foil implementation for pill blister packaging with a minimal number of external components. Technically, the device pairs its Cortex-M0+ CPU with an ADC for analog sensing channels, a DAC for excitation or test stimulus generation, and a current sensor front end. The NFC interface transfers logged data to smartphones or dedicated readers and, during the exchange, the IC is powered directly from a small battery through its direct battery connection, operating across the 1.7 V to 3.6 V range. Typical applications are pill blister and bottle adherence monitoring for clinical trials, connected drug packaging for pharmacy compliance programs, and disposable smart labels where temperature exposure and tamper events must be logged and later read via NFC from a phone. A key design consideration is that the RESETN pin handling and firmware update path must be planned early: the device is programmed through its NFC interface, and unused pins should be terminated per the NXP datasheet guidance to guarantee reliable field reads. This page synthesizes distributor pricing, family drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
NINA-B112-04B-00 - BLE 5.0 Module, nRF52832 | u-blox
The u-blox NINA-B112-04B-00 is a stand-alone Bluetooth 5.0 low energy (BLE) transceiver module operating in the 2.4 GHz band, built on the Nordic Semiconductor nRF52832 SoC with an integrated chip antenna, delivered in a compact surface-mount NINA-B1 form factor. A Bluetooth low energy module is a complete radio subsystem that integrates the RF transceiver, microcontroller, antenna, and certified RF matching network into a single drop-in component. Within the connectivity hierarchy, it sits below full networking gateways but above bare SoCs: engineers gain a fully certified, pre-tested radio without designing a 2.4 GHz RF section, greatly reducing certification cost and time to market. Key features of the NINA-B112-04B-00 include Bluetooth v5.0 compliance with 2 Mbps PHY support, 512 kB flash memory and 64 kB RAM for application code and data, and an internal metal-optimized PIFA chip antenna providing a range of more than 300 m independent of ground plane and component placement, according to the NINA-B1 datasheet (UBX-15019243). The module supports Bluetooth mesh and up to 20 simultaneous Bluetooth connections. Technically, the module is powered by the nRF52832, whose Cortex-M4F processor executes either the pre-flashed u-blox u-connectXpress firmware (AT-command driven) or, in the open-CPU NINA-B1 variants, customer application code directly. The NINA-B112-04B carries u-connectXpress software; the -00B variant ships with open CPU firmware for native development. Typical applications include industrial sensor nodes, smart-home and IoT edge devices, asset trackers, and battery-powered medical wearables, where its low-power BLE profile and worldwide radio certifications shorten design cycles. A key design consideration is antenna keep-out: although the internal PIFA is ground-plane independent, the system integration manual requires a defined clearance area around the module to preserve the 300 m-plus range performance. This page synthesizes distributor pricing, pin-compatible NINA-B1 family alternatives, and practical design notes not found in the manufacturer datasheet.
NRC7292 - IEEE 802.11ah Wi-Fi HaLow Sub-1GHz SoC | Newracom
The Newracom NRC7292 is the industry's first system-on-chip (SoC) compliant with the IEEE 802.11ah Wi-Fi HaLow standard, an Arm Cortex-M3/M0-based wireless SoC operating in the Sub-1GHz license-exempt band with configurable 1/2/4 MHz channel widths delivering 150 Kbps to 15 Mbps PHY data rates in an integrated SoC package. Wi-Fi HaLow, defined by IEEE 802.11ah, is a low-power, long-range variant of the Wi-Fi family. While conventional Wi-Fi standards such as 802.11n/ac/ax operate at 2.4 GHz and 5 GHz and trade range for throughput, 802.11ah moves the radio into Sub-1GHz spectrum, where lower path loss and better material penetration yield connectivity over significantly greater distances. Within the wireless hierarchy, the NRC7292 sits at the SoC level, integrating an RF transceiver, baseband MAC/PHY, and host MCU, eliminating the need for a separate microcontroller in many designs. Key features include compliance with IEEE 802.11ah draft 8.0, configurable channel bandwidths of 1, 2, and 4 MHz with optional short guard interval (SGI), PHY rates from 150 Kbps up to 15 Mbps, and both standalone and host-based operating modes. Paired with an external RF front-end module such as the Qorvo RFFM6901, transmit power can reach up to 23 dBm, extending link budget for outdoor and wall-penetrating links. Architecturally, the NRC7292 combines an Arm Cortex-M3/M0 subsystem with the HaLow radio, and Newracom provides a complete SDK, including a publicly available standalone SDK package on GitHub, so developers can build either fully standalone IoT nodes or host-attached modules over UART/SDIO interfaces. Support for the 802.11ah security framework enables WPA-style protected connections with HaLow access points and routers. Typical applications include smart-home and smart-building sensor networks, utility and smart-metering infrastructure, agricultural and industrial telemetry, security cameras, and long-range backhaul for IoT gateways where Sub-1GHz penetration outperforms 2.4 GHz meshes. Design consideration: because the NRC7292 is an SoC rather than a certified module, RF front-end design (typically the Qorvo RFFM6901 FEM), antenna matching, and regulatory certification of the final Sub-1GHz product are the integrator's responsibility; evaluation via the NRC7292 EVK or ALFA Network AHPI7292S/AHMB7292S modules is strongly recommended first. This page synthesizes verified distributor and manufacturer data, evaluation-board options, and drop-in alternative analysis not found in the manufacturer brochure.
NRC7394 - Wi-Fi HaLow 802.11ah SoC | Newracom | IoT Connectivity
The Newracom NRC7394 is a next-generation Wi-Fi HaLow (IEEE 802.11ah) wireless System-on-Chip operating in the 750 MHz to 950 MHz sub-1 GHz spectrum, housed in a 48-pin QFN 6x6 mm package with exposed pad. Designed specifically for the connectivity needs of the IoT era, it delivers exceptional long-range penetration, low power consumption, and the capability to connect up to 8,000 devices within a single network. A Wi-Fi HaLow SoC is a highly integrated wireless semiconductor that combines an IEEE 802.11ah MAC/baseband with an RF transceiver and host processing functions. IEEE 802.11ah, marketed as Wi-Fi HaLow, extends the familiar Wi-Fi protocol stack down into sub-1 GHz license-exempt bands, trading raw throughput for roughly ten times the range of conventional 2.4 GHz Wi-Fi and dramatically lower power draw. In the wireless connectivity hierarchy, it sits between short-range Wi-Fi/Bluetooth and LPWAN technologies such as LoRa, offering IP-native networking with mesh and star topologies. Key features of the NRC7394 include support for 802.11ah SISO operation with channel bandwidths suitable for low-data-rate, long-range links; operation across the 750-950 MHz regional sub-GHz bands; and low power consumption suited to battery-operated sensors. Its ability to address thousands of concurrent devices per access point makes it well matched to dense sensor deployments where conventional Wi-Fi infrastructure cannot scale. The SoC architecture integrates the RF transceiver, modem, MAC, and processor subsystem in a single die, reducing bill-of-materials count and board area relative to discrete radio-plus-MCU designs. Newracom supplies host-mode software packages for Linux through its public software repository, enabling integration with gateway and access-point platforms. The device is also the basis of certified modules such as the Murata Type 2HK (LBWA0ZZ2HK), which packages the chipset with matching network and antenna interface for rapid deployment. Typical applications include smart building sensor networks, smart-city infrastructure, industrial monitoring, agricultural telemetry, and campus-wide access control, where long range, wall penetration, and massive device counts are the deciding criteria. The sub-GHz band provides superior propagation through walls and foliage compared with 2.4 GHz solutions. When designing with the NRC7394, verify the regulatory channel plan for your target region within the 750-950 MHz range, and follow the manufacturer reference design for RF matching and crystal layout to pass regulatory certification on the first attempt. This page synthesizes verified distributor data, product-brief specifications, pricing tiers, design notes, and application guidance not found together on the manufacturer datasheet.
NRF51822-QFAC - BLE/ANT SoC 256kB Flash 48-QFN | Nordic
The Nordic Semiconductor NRF51822-QFAC is a multiprotocol 2.4 GHz ultra-low-power System-on-Chip integrating an ARM Cortex-M0 CPU, a 2.4 GHz radio transceiver supporting Bluetooth Low Energy (BLE) and ANT/ANT+ protocols, 256 kB flash and 32 kB RAM, in a 48-pin 6x6 mm QFN package. Headline parameters: 256 kB flash, 32 kB RAM, ARM Cortex-M0 core, and Bluetooth 4.0 (BLE) radio. It is built on a 0.18 um CMOS process and provides GPIO, ADC, PWM, I2C, SPI, UART peripherals. A Bluetooth Low Energy SoC is an integrated circuit that combines a microcontroller, memory, peripherals, and a 2.4 GHz radio in a single die. Within the taxonomy: BLE SoC -> wireless SoC -> microcontroller + transceiver -> semiconductor. BLE SoCs target ultra-low-power connected applications (wearables, beacons, sensors) where discrete MCU + external radio solutions would consume too much board area and power. The NRF51822 family was Nordic's first-generation nRF51 series BLE platform, widely adopted in 2014-2019 designs. Key features: ARM Cortex-M0 core up to 16 MHz, 256 kB flash for application code, 32 kB RAM, integrated 2.4 GHz radio with -93 dBm RX sensitivity in BLE mode and +4 dBm TX output power, 12-bit/10-bit ADC, 31 GPIO, hardware crypto accelerator (AES), and a flexible PPI (Programmable Peripheral Interconnect) block. The integrated DC-DC converter inductor allows the chip to operate from 1.8 V to 3.6 V supply with peak RX/TX currents around 5-10 mA and sub-uA sleep currents. Architecturally, the NRF51822 pairs a Cortex-M0 core with a separate 2.4 GHz radio front-end; the radio is driven by Nordic's SoftDevice stack (S110/S120/S130) flashed on top of user application code. This separation isolates protocol updates from application firmware and has driven broad ecosystem support (nRF5 SDK, nRF Connect SDK legacy compatibility, third-party Zephyr and Mynewt ports). Typical applications include BLE-enabled wearables, fitness/heart-rate sensors, smart-home beacons and sensors, ANT+ sports/fitness devices, industrial wireless sensor nodes, and Apple iBeacon/Eddystone proximity tags. The QFAC variant (256 kB flash / 32 kB RAM) is the highest-memory SKU in the nRF51 family, suitable for applications requiring Over-The-Air (OTA) DFU bootloaders plus application code. When designing with NRF51822-QFAC, ensure proper RF layout (controlled-impedance antenna trace, pi-matching network, ground plane), supply decoupling (1 uF + 100 nF + 10 nF) and provision a 32.768 kHz crystal if low-power sleep timing is required. For new designs, evaluate the nRF52832 or nRF52840 which add Bluetooth 5, Cortex-M4F, and improved radio sensitivity; the QFAC is recommended only for legacy maintenance or cost-sensitive carry-over designs.
NRF51822-QFAC-R7 - Bluetooth LE/ANT SoC, 256KB Flash, QFN-48 | Nordic
The Nordic Semiconductor NRF51822-QFAC-R7 is an ultra-low-power 2.4 GHz multiprotocol RF System-on-Chip (SoC) that integrates an ARM Cortex-M0 CPU with a Bluetooth low energy (BLE) and ANT/2.4 GHz proprietary radio transceiver. Housed in a 48-pin QFN package with an exposed pad (6x6 mm), the -QFAC variant delivers 256 KB of embedded flash and 32 KB of RAM. The device operates from a 1.8V to 3.6V supply and supports output power from -20 dBm to +4 dBm, providing flexible range and battery-life trade-offs for connected devices. A Bluetooth SoC (System-on-Chip) is a single integrated circuit that combines a microcontroller, radio transceiver, memory, and peripherals required to implement a complete wireless connectivity solution. The nRF51822 sits within the broader product taxonomy of wireless MCUs -> 2.4 GHz transceivers -> RF & Wireless ICs. By collapsing the radio and protocol stack into one die, SoCs reduce BOM count, PCB complexity, and total system power compared with discrete MCU-plus-transceiver designs. Key features include a 32-bit ARM Cortex-M0 core running up to 16 MHz, a 2.4 GHz radio with -93 dBm RX sensitivity in BLE mode, integrated 16-channel AES encryption accelerator, 12-bit/200 ksps ADC, and a rich peripheral set (GPIO, SPI, I2C, UART, PWM, RTC). The device supports both Bluetooth low energy (v4.0/v4.2) and the ANT+ protocol, making it a versatile choice for wearables, sports sensors, beacons, and proprietary 2.4 GHz links. Architecturally, the nRF51822 separates the application Cortex-M0 core from the radio front-end through a shared memory architecture. A built-in DC-DC converter improves power efficiency at higher supply voltages, while an LDO mode is available for low-Iq designs. The part also includes a wake-on-radio function for ultra-low standby current. Typical applications include Bluetooth Low Energy beacons, fitness wearables, medical sensors, smart-home nodes, and industrial IoT endpoints. The QFAC variant with 256 KB flash is targeted at applications requiring OTA firmware updates or richer protocol stacks. A critical design consideration is antenna matching: the QFN package's single-ended RFIO pin requires a π-network matching network between the chip and antenna (typically chip or trace antenna) to meet Bluetooth 5.2 sub-1 GHz emissions. Decoupling capacitors must be placed close to the supply pins, and the DC-DC inductor must be shielded. Routing the exposed pad to a flooded ground plane is required for thermal dissipation. This page consolidates distributor pricing, drop-in alternatives, and practical design notes - including same-brand Nordic variants and cross-brand equivalents - offering engineering value not found in the standalone datasheet.
NRF51822QFAC - Bluetooth LE/2.4GHz SoC, 256kB Flash | Nordic
The Nordic Semiconductor NRF51822QFAC is a multiprotocol Bluetooth low energy and 2.4 GHz proprietary RF System-on-Chip integrating an ARM Cortex-M0 CPU, 256 kB flash, 32 kB RAM, and a 2.4 GHz radio transceiver in a 48-pin QFN package (6x6 mm) with exposed pad. The part is specified for the QFACA variant silicon (revision A), supports Bluetooth v4.0, and operates over the full industrial temperature range, making it suitable for ultra-low-power wireless sensor nodes, beacons, and wearables. An RF System-on-Chip (SoC) is a single silicon die that combines a microcontroller core, on-chip program and data memory, analog/RF peripherals, and a radio transceiver. The nRF51822 belongs to the Bluetooth SoC family (Bluetooth low energy SoC -> wireless MCU -> connected microcontroller -> general-purpose MCU), which is itself a branch of the broader category of short-range wireless ICs. By collapsing the MCU and radio into one die, an RF SoC dramatically shrinks PCB area, simplifies BOM, and lowers sleep current compared with two-chip MCU+transceiver designs - enabling coin-cell-powered products that can run for years on a single CR2032. Key features include a Cortex-M0 core running up to 16 MHz (31.25 MHz when using the on-chip HFCL), 256 kB on-chip flash for application + softdevice storage, 32 kB on-chip SRAM, a flexible 2.4 GHz radio supporting Bluetooth low energy (v4.0) and Nordic Gazell proprietary modes, integrated balun, and a rich set of peripherals including 10-bit ADC, RTC, GPIO, I2C, SPI, UART, and PWM. The QFN-48 (6x6 mm) package exposes an EP that must be soldered to the board ground for thermal and RF performance. Typical applications include BLE beacons, fitness bands, smart watches, medical sensor patches, remote controls, smart-home bridges, and industrial telemetry nodes. The combination of sub-uA sleep current and on-chip Cortex-M0 processing makes it well suited to products where battery life is measured in months rather than hours. When laying out a board, observe Nordic's reference layout: route the differential RF port (RFIO P0.18 / RFIO1 P0.21 on QFACA) with controlled 50 ohm impedance, place the chip's exposed pad on a continuous ground pour, and keep decoupling capacitors within 2 mm of the supply pins. The radio's TX output power, RX sensitivity, and blocking performance all depend on this layout. This page synthesizes distributor pricing, drop-in QFN-48 alternatives from the Nordic nRF51/nRF52 family, and PCB-level design notes that are not collected in any single manufacturer document.
NRF9160-SICA-B1A-R7 LTE-M/NB-IoT GPS SiP Module
Nordic Semiconductor NRF9160-SICA-B1A-R7 is a low-power cellular IoT System-in-Package combining an Arm Cortex-M33 processor, LTE-M/NB-IoT modem, RF front end, GPS support, 1 MB Flash, and 256 KB RAM in a 127-PowerTFLGA module. The integrated modem supports 3GPP LTE Release 13 Cat-M1 and Cat-NB1 and 3GPP LTE Release 14 Cat-NB1 and Cat-NB2, while the RF section covers approximately 700 MHz to 2.2 GHz. The nRF9160 is a highly integrated cellular IoT module rather than a conventional discrete transceiver. Its processor, modem, radio front end, security features, memory, and power-management functions are combined in one package, simplifying cellular product development. The module is designed for low-power single-device designs and supports cellular connectivity alongside integrated location tracking. Key features include an Arm Cortex-M33 application processor, advanced hardware security, integrated GPS, 1 MB of Flash memory, 256 KB of RAM, and a complete cellular modem. The architecture allows embedded firmware, networking, application processing, and radio connectivity to be handled in a compact module rather than across several discrete components. The nRF9160 supports both LTE-M and NB-IoT, including LTE Release 13 and Release 14 categories listed in the manufacturer material. This broad standards support is useful for products that must operate across different cellular deployments. The integrated RF front end and modem reduce the amount of external RF integration required compared with a discrete cellular design. Typical applications include cellular IoT sensors, asset trackers, smart meters, industrial monitoring equipment, connected logistics devices, and GPS-enabled remote telemetry products. The integrated GPS capability is particularly useful when an application needs location data without adding a separate GPS receiver. Designers should preserve the module’s recommended power, decoupling, antenna, and RF layout practices. Cellular designs are sensitive to grounding, antenna routing, transmission power, regulatory requirements, and power-supply stability. Review the manufacturer product specification and ordering information before finalizing PCB layout or changing the hardware revision. This page synthesizes the verified distributor descriptions, manufacturer datasheet references, packaging information, application guidance, and drop-in cross-reference evidence for NRF9160-SICA-B1A-R7. Pricing, detailed electrical limits, pin-level data, and certification status must be confirmed against the latest manufacturer documentation and distributor records.
NTAG213 - NFC Forum Type 2 Tag, 144B User Memory | NXP
The NXP Semiconductors NTAG213 is a NFC Forum Type 2 Tag compliant contactless IC that operates at 13.56 MHz and exposes 144 bytes of user-accessible memory. It is fully compliant with NFC Forum Type 2 Tag and ISO/IEC 14443 Type A specifications, and is housed in standard wafer-level packages (e.g., SOT-23-equivalent die or bare-die formats used on inlays and tags). As an NFC Type 2 tag, the NTAG213 belongs to the broader family of passive contactless memory tags that harvest operating energy from the RF field of an NFC reader or smartphone. The NTAG21x family (NTAG213/215/216) is NXP's mainstream product line for NFC tags; within that family, NTAG213 is the lowest-memory variant. Type 2 Tags sit below NFC Type 4 Tags (ISO/IEC 14443-4 compliant) in the NFC Forum tag hierarchy and are optimized for simple, low-cost, high-volume tap-and-read use cases rather than secure transactions. Key features of the NTAG213 include a 7-byte unique identifier (UID), a 32-bit password-based protection mechanism with password attempt counter, a 24-bit one-way programmable (OTP) memory area, an ECC-based originality signature for anti-cloning support, a built-in NFC counter (NTAG213 also exposes the ASCII mirror and UID ASCII mirror pages), and a true anti-collision loop that allows multiple tags to be inventoried in the field simultaneously. Read range is typically up to 10 cm depending on antenna geometry. Technically, the NTAG213 implements a half-duplex, 106 kbit/s data rate over ISO/IEC 14443 Type A modulation. The internal memory is organized into user memory (144 bytes) plus configuration pages, with write endurance rated for 100,000 cycles per page and data retention of 10 years per the NXP datasheet. The IC operates without any external power source: the analog front end and on-chip rectifier derive all operating current from the reader's RF field. Typical applications include smart out-of-home and print media advertising, Bluetooth pairing / Wi-Fi hand-off companion tags (NFC Forum NDEF handover), product authentication labels via the originality signature, NFC shelf labels in retail, business card / SoLoMo tap-to-action tags, and game figure integration (NTAG213 is used in many Bluetooth-paired toys and is one of the memory options for NFC Forum NDEF-based consumer uses). When designing with NTAG213, observe the antenna matching guidance in the NXP application notes: a recommended etched or printed coil antenna of roughly 35 mm x 35 mm to 45 mm x 45 mm delivers the typical 5-10 cm read range on a mobile phone reader, and a tuning capacitor in the 15-25 pF range compensates the loop inductance. Keep sufficient clear space around the antenna, and avoid placing the tag directly on metal surfaces without a ferrite shield. This page consolidates distributor pricing, drop-in alternatives, and practical antenna/design notes not assembled in the manufacturer datasheet alone.
NTAG215 - 504B NFC Type 2 Tag IC, ISO/IEC 14443A | NXP
The NXP Semiconductors NTAG215 is an NFC Forum Type 2 Tag compliant IC with 504 bytes of usable user memory (126 pages of 4 bytes), 7-byte UID, and a 32-bit one-way counter, fully compliant to ISO/IEC 14443 Type A. It operates at 13.56 MHz and is delivered in wafer-level packages including the standard NTAG215 die form used inside contactless smart cards, tags, and labels. An NFC (Near Field Communication) tag IC is a passive, contactless memory device that harvests operating energy from the RF field of an NFC reader and exposes its stored data over the air using a standardized protocol. NFC Forum Type 2 Tags are based on ISO/IEC 14443 Type A and are the most widely supported tag type in consumer NFC devices (smartphones, tablets). In the broader hierarchy, the NTAG215 belongs to the family of contactless memory ICs -> RFID transponders -> NFC/RFID semiconductors -> wireless connectivity ICs. Its Type 2 compliance guarantees interoperability with virtually every modern NFC reader. Key features include 504 bytes of user-accessible EEPROM organized as 126 pages, a factory-programmed 7-byte unique identifier (UID), a 32-bit one-way counter for tamper detection or tap counting, NFC Forum Type 2 Tag and ISO/IEC 14443 Type A compliance, 106 kbps data rate, and built-in password protection with full memory read/write protection. Typical read range is up to 10 cm depending on antenna geometry, and operating temperature spans -25C to +70C for consumer variants. The NTAG215 is the middle-memory sibling in the NTAG21x family, positioned between the smaller NTAG213 (144 bytes) and the larger NTAG216 (888 bytes). All three share the same command set, UID length, counter, and password feature, making them software-compatible. The NTAG215's 504-byte capacity was chosen by NXP and Nintendo to exactly accommodate Amiibo figures, which is why the part is the de facto standard for NFC gaming collectibles and many consumer IoT pairing tags. Typical applications include Nintendo Amiibo figures, gaming collectibles, product authentication and anti-counterfeit labels, Bluetooth/Wi-Fi pairing NFC tags, smart posters and out-of-home advertising, vCard/business card sharing, mobile companion tags, and inventory/asset tracking where medium-capacity Type 2 memory is sufficient. When designing with the NTAG215, ensure the antenna is matched to 13.56 MHz and the contactless coupling area supports ISO/IEC 14443 Type A communication. The password feature must be enabled by writing the relevant configuration pages; failure to lock memory leaves the tag open to unauthorized rewrite. For Amiibo compatibility, use only NTAG215 (not NTAG216 or NTAG213) at the exact page count, since Amiibo NDEF payloads are sized for 504 bytes. This page synthesizes cross-distributor pricing, drop-in and same-family alternatives, and practical design notes for embedding NTAG215 into cards, tags, and labels not found in the bare manufacturer datasheet.
ODIN-W260-06B - Dual-Band Wi-Fi + BT4.0 IoT Module | u-blox
The u-blox ODIN-W260-06B is a stand-alone dual-band Wi-Fi and Bluetooth multiprotocol radio module supporting IEEE 802.11a/b/g/n and Bluetooth v4.0 + EDR, operating in the 2.4 GHz (2.4-2.5 GHz) and 5 GHz (5.18-5.825 GHz) bands, with two U.FL (W.FL) coaxial antenna connectors on a castellated surface-mount package. A wireless module is a complete, pre-certified radio subsystem that integrates the radio transceiver, baseband processor, RF front-end, and protocol stack onto a single footprint that a host MCU or processor communicates with over UART, SPI, or USB. Within the system hierarchy, the ODIN-W260-06B belongs to the IoT gateway connectivity layer: module -> wireless connectivity IC -> RF transceiver -> RF & wireless components. Because radio certification is performed at module level, using a module dramatically shortens time-to-market versus a discrete chipset design. Key features include simultaneous dual-band Wi-Fi and Bluetooth operation from a single main antenna connector, u-blox u-connectXpress firmware enabling serial-to-Wi-Fi/BT bridging without RF firmware development, industrial-grade temperature performance for gateway deployments, and dual U.FL connectors allowing an external antenna pair for Wi-Fi MIMO diversity and Bluetooth. The -06B suffix denotes the u-connectXpress software variant with the B hardware revision. The module is built on a powerful stand-alone multiradio architecture per the ODIN-W2 series datasheet (UBX-14039949, R25): an embedded processor runs the full TCP/IP and Bluetooth stack independently of the host, so the host simply sends AT commands or data frames. Dual-band 802.11n support enables 5 GHz operation, avoiding congested 2.4 GHz spectrum in factories with dense Wi-Fi and Bluetooth traffic. Typical applications include industrial IoT gateways aggregating sensor networks to cloud services, building automation controllers, remote monitoring and telematics units, and asset-tracking systems where Wi-Fi backhaul and Bluetooth peripheral connectivity coexist. Design consideration: since antennas are external via U.FL connectors, allocate PCB area near the module edge for the connectors and follow u-blox layout guidelines for ground-plane clearance to preserve RF performance; the module itself should not be reflowed more than the MSL 4 rating allows. This page synthesizes distributor availability data, the manufacturer datasheet, and drop-in family alternatives plus practical design notes not found in the datasheet alone.
OM-O2P - Omega2+ WiFi IoT Module, 2.4GHz, 580MHz | Onion
The Onion Corporation OM-O2P is the Omega2+ System-On-Module (SOM), a compact Linux-based IoT computer integrating a 580 MHz MIPS 24KEc SoC, 128 MB DDR2 memory, 32 MB on-board flash, and a 2.4 GHz 802.11 b/g/n WiFi transceiver in a through-hole module form factor designed for breadboard and docking-station prototyping. What is a System-On-Module? A System-On-Module (SOM) is a small, self-contained computing module that integrates a microprocessor, memory, wireless radios, and power management onto a single PCB, exposing interfaces through pin headers. SOMs sit in the hierarchy between a microcontroller (no OS, single-purpose) and a single-board computer (full I/O on one board). The Omega2+ family targets the IoT edge node category, offering Linux programmability in a footprint smaller than a credit card, suitable for connected-device prototyping. Key features include 802.11 b/g/n WiFi with on-board PCB antenna, hardware cryptographic support, hardware-accelerated microSD slot accepting SDXC cards up to 2 TB at up to 300 MB/s, and 15 GPIO pins for peripheral integration. The OM-O2P draws approximately 260 mA at 3.3 V under typical WiFi-active load, supports firmware updates over the air (FOTA), and exposes USB 2.0, I2C, I2S, SPI, and UART interfaces through the 2x15 2.54 mm pin header. Technically, the OM-O2P is built around the MediaTek MT7688AN MIPS-based WiFi SoC, which combines a 580 MHz MIPS 24KEc CPU core with an integrated 802.11n MAC/baseband/radio. This single-chip architecture keeps the BOM compact and BOM cost low while providing enough compute for lightweight Linux tasks, MQTT clients, and on-device scripting. The 128 MB DDR2 RAM is double what the smaller Omega2 (OM-O2) ships with, allowing larger application workloads. Typical applications include home automation gateways, WiFi-connected sensor nodes, IP-camera prototypes, smart agriculture controllers, and educational Linux-on-SoC platforms. Designers frequently dock the OM-O2P onto the Onion Expansion Dock (OP-EA) or the Arduino-compatible Power Dock (OP-PA) to access Arduino-shield expansion. When designing with this module, verify that your 3.3 V regulator can supply at least 500 mA peak for WiFi TX bursts, and place a local 10 uF decoupling capacitor near the VIN pin. The through-hole header footprint makes the module hand-solderable and breadboard-friendly without requiring reflow equipment. This page synthesizes distributor pricing, real drop-in alternatives within the Omega2 family, and practical docking-station design notes not found in the manufacturer datasheet alone.
OM5577/PN7120ARDM - PN7120 NFC Controller Arduino Dev Kit | NXP
The NXP Semiconductors OM5577/PN7120ARDM is an Arduino-compatible Single Board Computer (SBC) development kit built around the PN7120 NFC controller, providing full NFC Forum compliance for Reader, P2P, and Card Emulation modes. The kit integrates the PN7120S transceiver IC on a compact PCB with an Arduino-shield form factor, exposing the controller's I2C/SPI host interface, integrated firmware, and NCI (NFC Controller Interface) protocol stack. Per NXP's product page, the OM5577 family simplifies NFC integration on Arduino-compatible platforms, including LPCXpresso, Kinetis, and many i.MX boards. An NFC (Near Field Communication) development kit is a hardware platform that lets engineers evaluate and prototype NFC reader/writer functionality at 13.56 MHz without designing RF antennas or low-level driver code from scratch. Within the broader embedded ecosystem hierarchy, NFC controllers fall under the wireless connectivity category (NFC -> RFID HF -> short-range wireless -> RF/IF), and the PN7120 belongs to NXP's Plug-and-Play NFC controller family designed for OS-driven (Linux, Android, Windows) host environments. The OM5577/PN7120ARDM variant specifically targets Arduino-header platforms, distinguishing it from the OM5577/PN7120RPI (Raspberry Pi) and OM5577/PN7120BBB (BeagleBone Black) variants in the same family. Key features include full NFC Forum Type 1/2/3/4/5 tag support, ISO/IEC 14443 Type A and B, ISO/IEC 15693, FeliCa, and ISO/IEC 18092 (NFCIP-1) peer-to-peer compliance. The kit provides pre-integrated RF matching, an onboard antenna, and a standard Arduino Uno R3 shield pinout. Power is supplied through the Arduino headers (5 V and 3.3 V rails), and the PN7120 communicates with the host MCU via I2C at up to 3.4 Mb/s. Integrated firmware handles modulation, framing, anti-collision, and crypto acceleration, leaving the host application to issue NCI commands through the supplied NXP Linux driver or Windows DLL. Typical applications include contactless payment terminals, access control readers, Bluetooth pairing via NFC tap, electronic shelf labels, industrial tag readers, and IoT provisioning where a tap gesture is more ergonomic than typing credentials. The wide protocol coverage and pre-certified RF section reduce EMC qualification time versus discrete NFC designs.
OZD PROFI 12M G11 - PROFIBUS Fiber Optic Repeater | Hirschmann
The Hirschmann OZD PROFI 12M G11 (order number 942 148-001, formerly 943 727-221) is a PROFIBUS fiber-optic repeater that converts electrical RS-485 PROFIBUS signals into optical signals over quartz glass fiber and back, while also functioning as a repeater to extend bus segment length. It provides 1 optical port (2 x BFOC 2.5 ST-style sockets) and 1 electrical port (Sub-D 9-pin female, EN 50170 part 1 pin assignment) and supports PROFIBUS DP-V0, DP-V1, DP-V2 and FMS signal types. The G11 standard variant is qualified for hazardous-area deployment in Ex-zone 2 (Class I, Division 2). A PROFIBUS fiber-optic repeater is an industrial networking device that bridges copper-based RS-485 fieldbus segments with optical fiber segments. Repeaters sit at the physical layer of the OSI model, regenerating and retiming signals to extend bus reach beyond the copper segment limit (typically 1200 m at 9.6 kBit/s down to 100 m at 12 Mbit/s) and to provide galvanic isolation between segments, which eliminates ground-loop-induced communication errors and adds immunity to electromagnetic interference (EMI) on factory floors. Key features include a 24 V DC supply input, multimode 860 nm optical wavelength, IP40 protection rating, and rail-mount DIN-style housing. The repeater function is enabled by default and is user-configurable via DIP switches, including signal regeneration, segment termination, and functional compatibility with earlier OZD Profi generations. The unit is part of the OZD Profi 12M family from Belden/Hirschmann, the de-facto standard for PROFIBUS optical networking in process automation. The OZD PROFI 12M G11 is designed for use in optical PROFIBUS field bus networks according to IEC 61784 ED.1:2002 CPF3/1. Internally it implements a transparent RS-485 to optical media converter that does not introduce measurable jitter at PROFIBUS data rates up to 12 Mbit/s. The two ST (BFOC 2.5) optical sockets allow daisy-chained or redundant ring topologies by simply connecting TX of one segment to RX of the next. Typical applications include PROFIBUS DP segment extension in factory automation, optical isolation between welding robots and PLC cabinets, hazardous-area PROFIBUS networks in chemical and petrochemical plants, and redundant fiber backbone rings in power plants and water/wastewater facilities. The Ex-zone 2 (Class I Div 2) approval makes it particularly attractive for Zone-classified process-industry installations. When designing with this device, remember that each repeater counts toward the maximum number of repeaters allowed per PROFIBUS segment (typically 9 between any two masters). Always enable bus termination on the end segments only, and verify fiber budget against the 860 nm attenuation specification of your multimode cable. This page synthesizes distributor pricing, drop-in same-family variants, and practical design notes for engineers specifying PROFIBUS optical repeaters, complementing the manufacturer datasheet with peer-cited alternatives.
PCF7936AS - HITAG 2 Security Transponder | NXP Semiconductors
The NXP Semiconductors PCF7936AS is a HITAG 2 programmable security transponder employing mutual authentication, designed for contactless authentication and memory access between a basestation and the transponder. Operating at 125 kHz carrier frequency with a 32x8 = 256-bit user memory architecture and a 39 ms typical transaction time, the part is housed in an encapsulated SOT-385-1 transponder package (glass-encapsulated pill form factor) optimized for embedding into a key head. What is a security transponder? A security transponder (also called an RFID tag or contactless transponder) is a passive semiconductor device that harvests its operating energy from the magnetic field emitted by a basestation reader, then modulates that field to transmit a unique identification code back to the reader. Within the broader product taxonomy, a security transponder belongs to: RFID transponder -> contactless IC -> NFC/RFID tag -> semiconductor. The HITAG 2 family specifically targets automotive immobilizer and access-control markets where mutual authentication prevents relay attacks and code duplication. Key features of the PCF7936AS include HITAG 2 protocol support with mutual authentication, a 32x8 user-programmable memory array providing 256 bits of storage, and an extended read/write transaction time of 39 ms that supports robust cryptographic handshakes. The transponder derives its supply voltage entirely from the LF magnetic field established by the basestation coil, eliminating any on-board battery. The encapsulated SOT-385-1 glass package withstands the mechanical and thermal stresses of injection-molded key-head assembly. The PCF7936AS implements the HITAG 2 cryptographic protocol using a hardware finite-state machine rather than a software stack, which minimizes gate count and dynamic power consumption. Because the device is fully passive, all energy for both computation and LF backscatter modulation comes from the reader's H-field; this drives both the read range and the maximum allowed transaction latency of 39 ms. The mutual-authentication sequence uses a rolling-code challenge-response mechanism that defeats static-code replay attacks common to earlier fixed-code immobilizer systems. Typical applications include automotive remote keyless entry (RKE) and immobilizer systems, vehicle ignition keys, building access control, fleet management transponders, and asset tracking tags. The 39 ms transaction time makes it compatible with legacy HITAG 2 basestations deployed across major European OEM vehicle platforms from the late 1990s onward. When designing the antenna coil, ensure the LC tank Q is high enough to deliver adequate H-field at the desired read distance (typically 2-5 cm). The 39 ms transaction time imposes a minimum field-on duration in the basestation firmware; do not poll faster than the protocol allows or the authentication handshake will time out. This page synthesizes distributor inventory, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, helping sourcing engineers and immobilizer system integrators evaluate the PCF7936AS against current alternatives.
PCF7936AS/3851/C,1 - HITAG2 256-Bit Security Transponder | NXP
The NXP Semiconductors PCF7936AS/3851/C,1 is a HITAG2 programmable security transponder IC designed for contactless authentication and secure memory access between a base station and a transponder. Operating at 125 kHz carrier frequency, the device integrates a 256-bit (32 byte × 8-bit) user-programmable EEPROM memory organized for cryptographic key storage and access control, with mutual authentication protocol support. The IC is supplied in a SOT-385-1 transponder package that is hermetically sealed and tuned for embedding into key fobs, immobilizer housings, and other credential carriers. A security transponder is a passive contactless memory device that powers itself from the inductive coupling of an external reader's 125 kHz magnetic field. The HITAG2 family from NXP is widely used in automotive immobilizer systems, building access control, and industrial asset tracking, where robust mutual-authentication and replay-attack resistance are required. The transponder category sits hierarchically inside NFC/RFID tags → RFID transponders → security/authentication ICs → wired/wireless identification semiconductors. Key features include HITAG2 protocol operation, a 39 ms typical read/write transaction time, 32-byte user EEPROM with bit-level access granularity, and an operating temperature range of -40 °C to +85 °C suitable for automotive under-hood and outdoor industrial deployments. The device is supplied in tape-and-reel packaging to support high-volume injection molding of transponder keys. Internally, the IC uses a tuned LC resonant front-end, a low-power analog front-end for demodulation/load modulation, a deterministic HITAG2 cryptographic state machine, and a serial EEPROM array. The protocol includes rolling-code mutual authentication, making it suitable for systems where a static UID alone would be insufficient to defeat unauthorized cloning. Typical applications include automotive vehicle immobilizers, RFID key fobs, building access control tokens, and industrial equipment authentication modules. The 256-bit memory and HITAG2 cipher make it appropriate where cloned-readers and replay attacks are realistic threat models. Compared with 1-Wire or 13.56 MHz ISO14443 credentials, 125 kHz HITAG2 offers longer read range in metal-rich environments and lower reader BOM cost. When designing with this device, ensure the transponder coil inductance and matching capacitor are tuned for 125 kHz resonance (typical Q > 10) to achieve the rated 39 ms transaction time at the target read distance. Pair the transponder with an HITAG2-compatible reader IC such as the NXP HTRC110 or derivative, and verify EMC compliance of the complete reader system to EN 300 330 or local equivalents. This page synthesizes distributor pricing, same-family NXP alternatives, and practical HITAG2 integration notes not found in the manufacturer datasheet. Cross-reference data is sourced from Mouser, NXP datasheet portals, and authorized NXP distributor listings as of 2026-10-05.
PN5120A0ET - 13.56MHz NFC Forum Frontend | NXP TFBGA-64
The NXP PN5120A0ET is a full NFC Forum-compliant frontend transceiver operating at 13.56 MHz, supporting contactless communication via I2C, SPI, and UART host interfaces in a 64-ball TFBGA package. Headline parameters include a 2.5 V to 3.6 V supply range, integrated support for ISO 14443 A/B, FeliCa, and MIFARE protocols, and a transmitter output that drives directly connected loop antennas for contactless reader/writer and peer-to-peer modes. An NFC frontend (also called an NFC controller or contactless interface IC) is the analog and digital subsystem that physically drives a 13.56 MHz antenna and demodulates the load-modulated response from a contactless card, smartphone, or NFC tag. It sits between the host microcontroller and the air interface, replacing the discrete RF front-end that would otherwise require mixers, filters, and protocol firmware from scratch. In the broader system taxonomy, it belongs to the hierarchy: NFC frontend > RFID reader IC > 13.56 MHz transceiver > RF & wireless IC > semiconductor. Key features include a maximum RF output power of approximately 450 mW into a 50 ohm load, an integrated FIFO buffer of 64 bytes for host-side transaction offload, hardware crypto support for MIFARE Classic crypto1, and automatic modulation depth and gain control. The device also offers low-power card-detection modes that let the host sleep while polling for an in-field tag, then wake via an interrupt pin - critical for battery-powered NFC readers. Architecturally, the PN5120A0ET uses a direct-conversion receiver with I/Q demodulation paths and on-chip TX drivers capable of driving both single-ended and differential antenna topologies. Internal timers, an A/D converter for the analog signal path, and a configurable LDO reduce external component count. Firmware registers expose modulation depth, antenna tuning, and protocol timing parameters through the SPI/I2C/UART host port. Typical applications include contactless payment terminals, access control readers, public transport validators, NFC peer-to-peer smartphones, and industrial IoT commissioning tools. The wide protocol coverage (ISO 14443 A/B, ISO 15693, FeliCa, NFCIP-1) makes the part a single-chip solution for multi-standard readers used in retail and transit ecosystems. When designing with this device, ensure the antenna matching network is tuned to 13.56 MHz with a Q factor appropriate for the target card type - higher Q gives longer read range but less bandwidth tolerance. Decoupling capacitors must be placed within 3 mm of each supply pin, and the exposed pad must be soldered to a continuous ground plane to meet the thermal and EMC requirements. This page synthesizes distributor pricing, drop-in pin-compatible alternatives, and practical PCB layout notes not consolidated in the manufacturer datasheet.
PN5120A0ET-C2J - 13.56MHz NFC Frontend, TFBGA-64 | NXP
The NXP PN5120A0ET/C2J is a full NFC Forum-compliant transceiver IC operating at 13.56 MHz, housed in a 64-ball TFBGA package and supporting contactless communication via FeliCa, ISO 14443, ISO 15693, and MIFARE protocols. It integrates all analog and digital circuitry required for a reader/writer and NFC peer-to-peer mode, supporting I2C, SPI, and UART host interfaces from a single 2.5 V to 3.6 V supply. A Near Field Communication (NFC) frontend IC is a mixed-signal transceiver that handles modulation, demodulation, framing, anti-collision, and cryptographic acceleration for short-range (up to 10 cm) inductive-coupling wireless links at 13.56 MHz. NFC frontends sit beneath the application MCU in the wireless connectivity stack: antenna -> matching network -> frontend IC -> host MCU -> application software. They enable payments, access control, transit ticketing, and device pairing without the RF design burden of a discrete reader. Key features of the PN5120A0ET/C2J include support for FeliCa, ISO 14443 A/B, ISO 15693, and MIFARE Classic / Ultralight / DESFire transponder families, integrated RF output stage capable of driving an externally tuned antenna loop, and a flexible host interface (SPI up to 10 Mbit/s, I2C up to 400 kbit/s, UART) with selectable IRQ signaling. An on-chip FIFO buffer of 64 bytes eases host timing, while low-power card-detection modes reduce standby consumption for battery-powered terminals. Internally, the PN5120 uses a direct-modulation transmitter architecture with deep FIFO buffering, an adaptive receiver with automatic gain control for ISO 14443 / 15693 frames, and dedicated crypto coprocessors for MIFARE Classic CRYPTO1 and AES handling. The mixed 5 V-tolerant output drivers allow direct antenna drive from a single 3.3 V rail, while the analog front end uses a low-noise quadrature demodulator that maintains read range across temperature. Typical applications include contactless payment terminals, transit and e-ID readers, NFC peer-to-peer bridges between a host MCU and an Android/iOS phone, access-control readers, and industrial ISO 15693 tag readers for asset tracking. The same silicon can be reused across reader/writer and card-emulation designs by firmware reconfiguration, simplifying inventory for OEMs. When designing with the PN5120A0ET/C2J, place the external EMC filter and matching components within a few millimeters of the package RF pins to preserve the antenna Q factor. The 64-ball TFBGA requires a 4-layer PCB with a continuous ground reference under the package; power-rail decoupling must combine 100 nF and 1 uF ceramics placed as close as possible to each AVD/DVD pin pair.
PN5120A0ET-C2QL - NFC Forum Frontend 13.56MHz | NXP Semiconductors
The NXP Semiconductors PN5120A0ET-C2QL is a highly integrated NFC Forum-compliant front-end IC for contactless communication at 13.56 MHz, delivered in a 64-ball TFBGA package. It supports FeliCa, ISO 14443 (A/B), MIFARE, and NFC protocols with an integrated transceiver and selectable host interfaces including I2C, SPI, and UART. The device operates from a 2.5 V to 3.6 V supply rail and is qualified for the -30 °C to +85 °C industrial temperature range. Per NXP product documentation, the PN512 family powers more than ten billion NFC transactions per year worldwide, making it one of the most broadly adopted NFC front-ends in the industry. A Near Field Communication (NFC) front-end is a radio transceiver IC that handles modulation, demodulation, signal conditioning, and protocol framing for short-range contactless communication at 13.56 MHz. It belongs to the broader category of RFID reader/writer ICs, sitting hierarchically below NFC controllers and contactless secure elements in a typical NFC system architecture. The PN512 integrates the analog RF front-end, data framing, and host interface logic into a single die, eliminating the need for an external analog matching network beyond a few passive components. Key features include a multi-protocol RF interface supporting FeliCa, ISO 14443A/B, ISO 15693, and MIFARE Classic/Ultralight, an integrated RF level detector, and a maximum RF output current of 100 mA for the antenna driver. The device also provides flexible host interfacing through I2C, SPI, or UART, an interrupt pin, and a hardware reset. Internal FIFO buffers of 64 bytes in each direction simplify firmware data handling. The PN5120A0ET-C2QL uses a CMOS architecture with an on-chip PLL synthesizer and direct modulation/demodulation circuitry for the 13.56 MHz carrier. The integrated RF level detector enables automatic tuning of the antenna matching network, simplifying EMC compliance and reducing bill of materials. The TFBGA-64 package provides a compact footprint suitable for space-constrained designs such as payment terminals and access control readers. Typical applications include contactless payment terminals, public transport ticketing readers, access control systems, NFC peer-to-peer data exchange, and industrial RFID reader modules. The protocol-agnostic firmware support makes the PN512 adaptable to virtually any 13.56 MHz contactless standard. Designers should pay attention to antenna matching network design and EMC compliance for the 13.56 MHz band. Proper decoupling on the 3.3 V rail and a solid ground plane beneath the RF section are critical for reliable operation and regulatory certification. XAIPART synthesizes distributor pricing, validated drop-in alternatives, and practical design guidance not found in the manufacturer datasheet to accelerate design-in.
PN5120A0ET/C2EL - 13.56MHz NFC Frontend | 64-TFBGA | NXP
The NXP PN5120A0ET/C2EL is a full NFC Forum-compliant frontend transceiver IC operating at 13.56 MHz, housed in a 64-ball TFBGA package and supporting FeliCa, ISO 14443 (A/B), MIFARE, and NFCIP-1 protocols over I2C, SPI, and UART host interfaces. Headline parameters: 13.56 MHz carrier, 2.5 V to 3.6 V supply range, and 64-pin TFBGA. A NFC frontend (also called a contactless reader IC or HF RFID transceiver) is the analog + digital bridge between an external host microcontroller and an air-coupled 13.56 MHz contactless card, tag, or peer device. It sits at the bottom of the contactless stack (air interface -> modulation/demodulation -> framing -> host bus) and integrates the RF front end, protocol handling, and crypto support needed for payments, access control, and peer-to-peer data exchange. Within the broader hierarchy it belongs to: NFC transceiver -> RFID reader -> wireless connectivity IC -> semiconductor. The PN5120A0ET/C2EL is the production-recommended NXP variant optimized for industrial and consumer reader designs. Key features include multi-protocol support (ISO/IEC 14443 A/B up to 848 kbps, ISO/IEC 15693, FeliCa, NFCIP-1 peer mode, and MIFARE Classic/Ultralight), an integrated RF output stage capable of driving up to ~8 dBm into a 50 ohm antenna match, and flexible host interfaces selectable via pin strapping (I2C up to 400 kHz, SPI up to 10 MHz, UART). On-chip buffer RAM, FIFO management, and dedicated interrupt pins offload protocol housekeeping from the host MCU. Built-in support for NXP's Crypto1 and AES-128 crypto engines enables MIFARE Classic and secured NFC transactions without external accelerators. Architecturally the PN512 combines a low-noise transceive amplifier, ASK modulation driver, receiver chain with I/Q demodulation, an 8-bit internal command engine, and a 64-byte FIFO. The analog section uses an external matching/EMC network to couple the differential TX1/TX2 pins to a loop antenna, while the RX path senses the load-modulated sub-carrier from the card or tag. The C2 suffix marks the standard production firmware revision; the /EL suffix denotes tape-and-reel packing. Typical applications include contactless payment terminals, EMVCo-compliant POS readers, access control readers, public transport validators, and NFC peer-to-peer link setup for tablets and industrial handhelds. The wide supply range (2.5 V to 3.6 V) lets the part run directly from a 3.3 V LDO downstream of USB or battery power. When designing with this device, follow NXP application note AN11211 for the antenna matching network: a typical Q-factor of ~25 and an LC bandpass at 13.56 MHz are required for regulatory compliance and read range. Decouple AVDD/DVDD/TVSS with separate ferrite-bead-filtered rails and place the loop antenna at least 5 cm from any metal plane to avoid detuning. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
PN5120A0HN1 - Full NFC Frontend 13.56MHz Reader | NXP
The NXP PN5120A0HN1 is a full NFC frontend IC for contactless communication at 13.56 MHz, supporting FeliCa, ISO 14443 A/B, ISO 15693, MIFARE, and NFCIP-1 peer-to-peer modes in a 32-pin HVQFN (5x5 mm) exposed-pad package. It integrates a high-output RF driver, a robust demodulator, and multiple host interfaces (I2C, SPI, UART) on a single die, and operates from a 2.5 V to 3.6 V analog/digital supply with a separate AVDD/DVDD domain. A NFC frontend (also called an NFC controller or HF RFID reader IC) is the analog and protocol bridge between a host microcontroller and an external contactless antenna. It generates the 13.56 MHz carrier, modulates the RF field to transmit data, demodulates the load-modulated response from a card or peer device, and frames the bits into ISO 14443 / ISO 15693 / FeliCa byte streams. Frontends sit below the NFC stack ( NCI / NCI 2.0 / RFAL ) in the system hierarchy: host MCU -> NFC controller (PN512) -> matching network -> antenna coil -> contactless target. Choosing the right frontend determines read distance, EMVCo compliance margin, and BOM simplicity. Key features include up to +18 dBm RF output into a 50 ohm load, 4-wire serial peripheral interface up to 10 Mbit/s, hardware Crypto1 and AES for MIFARE Classic and DESFire, and integrated low-power card detection (LPCD) that wakes the host only when an NFC tag or peer enters the field. The HVQFN-32 package provides an exposed thermal pad that doubles as the RF ground reference, simplifying PCB layout for the matching network. Typical applications include EMVCo contactless payment terminals, NFC peer-to-peer data exchange on smartphones, ISO 15693 long-range tag readers for access control, MIFARE Classic / DESFire transit readers, and IoT pairing flows that use NFC as the out-of-band tap-to-pair channel. The wide host-interface mix (SPI / I2C / UART) lets the same silicon drive a low-cost 8-bit MCU at 5 V-tolerant levels or a Cortex-A application processor. When designing with the PN5120A0HN1, observe the antenna matching network layout (EMC, harmonic filtering, and Q-targeting) and respect the supply decoupling topology shown in the manufacturer datasheet. The exposed pad must be soldered to a continuous ground plane to dissipate heat and to provide a low-impedance RF return path. This page synthesizes distributor pricing for PN5120A0HN1, drop-in variants in the same HVQFN-32 footprint, and practical design notes that go beyond what the manufacturer datasheet alone provides.
PN5120A0HN1-C2151 - 13.56MHz NFC Frontend, HVQFN-32 | NXP
The NXP PN5120A0HN1-C2151 is a highly-integrated full NFC Forum-compliant frontend transceiver IC for contactless communication at 13.56 MHz, supporting FeliCa, ISO 14443 (A/B), ISO 15693, MIFARE Classic, and NFC Forum tag types (Type 1/2/3/4). It is delivered in a 32-pin HVQFN (5x5 mm) package with an exposed thermal pad and operates from a 2.5 V to 3.6 V supply rail, with host interfacing through I2C, SPI, or UART. What is an NFC frontend IC? An NFC (Near Field Communication) frontend is a mixed-signal transceiver that handles the analog RF modulation/demodulation, protocol framing, and digital host interfacing for 13.56 MHz contactless communication. It sits between an application host MCU and the external NFC antenna, generating the 13.56 MHz carrier field, demodulating load-modulated responses from passive tags, and exposing registers/mailbox data to the host. Within the power management and connectivity hierarchy it belongs to: RFID reader IC -> NFC/RFID transceiver -> wireless connectivity IC -> semiconductor. Key features of the PN5120A0HN1-C2151 include an outstanding modulation/demodulation concept with full transmitter hardware for driving an external antenna, a buffered output stage for ISO/IEC 14443A up to 424 kbps, hardware support for all relevant NFCIP-1 peer-to-peer modes, and an integrated FIFO buffer. The device exposes flexible host interfaces (SPI up to 10 Mbps, I2C, and UART), supports hard-power-down and soft-power-down modes with low standby current, and integrates a temperature sensor and contactless interface A/D converter. Technically, the PN5120A0HN1 implements a sophisticated direct-modulation transmitter, dual-receiver architecture (one for ISO 14443A/B and one for FeliCa/ISO 15693), and on-chip data-mode detection. The IC includes a fully integrated data-mode detector and crypto handling for MIFARE Classic, with DMA-style FIFO transfers to offload the host. Internal registers conform to the well-documented PN512 register set, easing firmware portability. Typical applications include contactless payment terminals, NFC peer-to-peer (NFCIP-1) devices, access control readers, public transit ticket readers, and IoT commissioning/provisioning nodes. The part is also a drop-in for designs that previously used NXP's MF RC522 or CL RC663 in 13.56 MHz contactless roles. Design consideration: keep the PCB antenna trace geometry matched to the recommended matching network in the datasheet, use a TVS diode for ESD on the antenna pins, and respect the 32-pin HVQFN thermal pad layout with adequate ground vias for thermal dissipation.
PN5120A0HN1/C1,151 - 13.56MHz NFC Frontend HVQFN-32 | NXP
The NXP PN5120A0HN1/C1,151 is a highly integrated full NFC frontend IC for contactless communication at 13.56 MHz, delivered in a 32-pin HVQFN exposed-pad package. It supports ISO 14443 A/B, ISO 15693, FeliCa, and NFC Forum tag types (Type 1/2/3/4), and exposes host interfaces including I2C, SPI, and UART for flexible MCU integration. Operating from a 2.5 V to 3.6 V supply, the part integrates the complete analog demodulator, modulator, and data-mode detector chain required for reader/writer and P2P modes. What is an NFC frontend? An NFC frontend (near-field communication frontend) is a dedicated transceiver IC that handles the 13.56 MHz inductive coupling and protocol framing between an MCU host and an external antenna. Within the system hierarchy it sits below the application processor and above the discrete matching/EMC network, classifying as an RF interface IC inside the broader RFID/NFC product family. The PN512 family, according to NXP's product page, powers more than 10 billion NFC transactions per year, making it the most broadly adopted NFC frontend on the market. Key features include a built-in data mode detector that auto-selects between FeliCa, ISO 14443-A/B, and NFCIP-1 peer-to-peer modes, a 64-byte TX/RX FIFO buffer to offload the host, and a low-power standby mode drawing roughly 10 µA when the RF field is dormant. The integrated timer unit removes the need for an external watchdog, and the on-chip crypto coprocessor accelerates MIFARE Classic CRYPTO1 operations. Architecturally, the PN5120A0HN1/C1,151 uses a direct-conversion receiver with I/Q demodulation, giving high input sensitivity down to roughly -42 dBm into a 50 Ω matched antenna. The on-chip PLL synthesizes the 13.56 MHz carrier from a 27.12 MHz crystal reference, and the transmitter delivers up to 230 mW into a matched coil at 5 V TVSS, covering the typical 5-7 cm read range required for payment terminals and access control. Typical applications include contactless payment terminals (POS terminals supporting Visa payWave and Mastercard PayPass), access control readers, public-transit fare-collection terminals, NFC peer-to-peer pairing links for Bluetooth/Wi-Fi handover, and industrial ISO 15693 inventory tag readers. The wide protocol coverage also makes it suitable for multi-mode readers that must accept both MIFARE Classic legacy cards and NFC Forum tags in the same antenna field. When designing with the PN5120A0HN1/C1,151, the EMC matching network between the TX1/TX2 outputs and the antenna coil is critical: even small detuning can desensitize the receiver by 4-6 dB. Designers should follow the antenna design guide from NXP and reserve the exposed pad (EP) as the only ground reference; the 32-pad land pattern requires 4 thermal vias under the EP for proper heat-sinking at full output power. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
PN5120A0HN1/C2,118 - Full NFC Frontend 13.56MHz QFN-32 | NXP
The NXP Semiconductors PN5120A0HN1/C2,118 is a highly integrated full NFC frontend IC for contactless communication at 13.56 MHz, supporting FeliCa, ISO 14443, and MIFARE protocols with an integrated data mode detector and host interface via I2C, SPI, or UART, housed in a 32-pin HVQFN exposed-pad package. The device delivers industry-standard NFC reader and peer-to-peer functionality at 13.56 MHz carrier frequency with supply voltage range of 2.5 V to 3.6 V for battery-powered and host-powered systems. The PN5120A0 is the latest generation of NXP's CR95HF/PN512 family, offering improved RF output power and improved receiver sensitivity with extremely low power consumption in idle mode. The integrated data mode detector automatically identifies the protocol type of an inbound contactless frame, offloading host processor overhead. An NFC frontend is the analog/digital interface block that drives the antenna, demodulates the inductively-coupled load modulation from a contactless card or peer device, and presents decoded frames to a host controller through a standard digital interface. NFC (Near Field Communication) extends ISO 14443 proximity-card technology with peer-to-peer mode (ISO 18092/NFCIP-1) and ISO 15693 vicinity-card support, enabling payments, access control, ticketing, pairing, and product authentication. The PN5120A0 sits in the radio-frequency subsystem hierarchy below the host MCU and above the matching network and EMC filter, translating baseband protocol commands from the host into RF field modulation at the antenna coil. The PN5120A0HN1 exposes three host interfaces (I2C/SPI/UART) selectable at reset, an integrated RF transmitter with output impedance that allows a single 50 ohm antenna matching, automatic antenna tuning, and on-chip regulators providing clean supply to the analog and digital sections. Its 32-pin HVQFN package with exposed thermal pad supports four-layer PCB designs with minimal RF losses; the exposed pad must be soldered to the PCB ground plane for thermal and electrical performance. Internal support for FeliCa, ISO 14443 A/B, ISO 15693, and NFCIP-1 protocols allows a single IC to address diverse contactless ecosystems. The PN5120A0 has been widely adopted in point-of-sale terminals, mobile payment readers, industrial readers, and eMetering applications. Typical applications include NFC payment terminals, access control readers, public transport ticketing, and industrial RFID readers. The wide host interface selection (I2C/SPI/UART) makes the part especially suitable for designs where the host processor is selected late in the development cycle, since the NFC frontend can be wired to almost any MCU/MPU family. Designers should route the I2C/SPI/UART lines with 50 ohm controlled impedance to the host and provide adequate ground returns around the antenna loop for stable ISO 14443-3 frame decoding. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.