HF-Transceiver
Produkte (217)
LR2022 - Dual-Band LoRa Plus Transceiver | Semtech
The Semtech LR2022 is a fourth-generation LoRa Plus dual-band multi-region sub-GHz/2.4 GHz RF transceiver IC housed in a 32-pin VFQFN exposed-pad package. It is designed as an IC RF TxRx-only device targeting LoRaWAN and proprietary LoRa modulation in the general ISM > 1 GHz bands, supporting both sub-GHz ISM and 2.4 GHz industrial-scientific-medical operation from a single SKU. The LR2022 integrates two distinct receiver inputs (RFI_HF and RFI_LF) so that one radio front-end covers global sub-GHz deployments and the worldwide 2.4 GHz band without external band-switch components. An LoRa transceiver is a low-power long-range radio IC that uses Chirp Spread Spectrum (CSS) modulation to deliver multi-kilometer communication at very low receive currents, enabling battery-powered Internet of Things (IoT) nodes. LoRa transceivers belong to the broader family of low-power wide-area network (LPWAN) radios, sitting alongside sub-GHz FSK/FSK-OOK transceivers in the wireless connectivity taxonomy. The LoRa Plus generation extends the legacy LoRa modem with multi-band RF and improved link budget while preserving pin and API compatibility with prior LoRa parts for drop-in migration. Key features include sub-GHz LoRa modulation, 2.4 GHz LoRa operation, dual receiver inputs (RFI_HF, RFI_LF), low RX current for battery-powered end nodes, and an integrated multi-region synthesizer that reduces external BOM and PCB footprint. The device supports LoRaWAN protocol stacks and proprietary point-to-point links, enabling asset tracking, smart metering, environmental monitoring, and satellite NTN IoT via the 2.4 GHz band. According to the Semtech LR20xx datasheet, the LR2021/LR2022 share the same package as the LR2012 single-band part, simplifying SKU strategy for OEMs serving both sub-GHz-only and dual-band deployments. The architecture combines an advanced RF front-end, a digital baseband modem optimized for LoRa CSS, and a host SPI interface for microcontroller integration. Compared with the prior Semtech SX1262 and LR1121, the LR2022 fourth-generation IP offers improved sensitivity, faster time-on-air, and lower power consumption per transmitted bit. The 32-VFQFN package includes an exposed thermal pad, allowing the part to be hand-soldered or placed by standard SMT lines. Typical applications include global asset trackers that roam between sub-GHz regional bands and 2.4 GHz NTN gateways, multi-region smart-meter modules, industrial sensor nodes, agricultural IoT deployments, and consumer connected devices needing a single-SKU worldwide radio. The part pairs naturally with low-power MCUs such as STM32WL or ESP32-S3 over its SPI interface. When designing with the LR2022, observe Semtech reference-layout guidelines: place the RFI_HF/RFI_LF traces as 50 ohm controlled-impedance lines, keep the exposed pad soldered to a continuous ground plane, and follow the host MCU's SPI timing budget for interrupt-driven packet handling. This page synthesizes distributor availability, package data, and practical design considerations drawn from manufacturer documentation and authorized stockists.
MFRC52201HN1,115 - 13.56MHz RFID Reader IC | NXP | MIFARE
The NXP MFRC52201HN1,115 is a highly integrated 13.56 MHz RFID/NFC reader IC supporting ISO/IEC 14443 A and MIFARE communication, operating from a 2.5V to 3.6V supply in a 32-pin HVQFN (VFQFN) package with exposed pad. An RFID reader IC (also called a contactless reader front-end or NFC initiator IC) is a wireless transceiver integrated circuit that generates a 13.56 MHz carrier, modulates commands onto it, and demodulates responses from passive transponders such as MIFARE cards and NFC tags. It sits within the RF and wireless IC hierarchy, alongside NFC controllers and RFID transceiver chips, forming the analog/digital front end between a host microcontroller and the contactless antenna. Key features include support for the ISO/IEC 14443 A/MIFARE protocol, three host interfaces (SPI up to 10 Mbit/s, I2C, and serial UART), and an integrated crypto-1 engine for MIFARE Classic authentication. The exposed-pad HVQFN-32 package provides low-inductance ground return for the RF front end and good thermal performance in a compact 5x5 mm-class footprint. Technically, the MFRC522 integrates the full analog front end: low-dropout voltage regulators for the transmitter supply, a 13.56 MHz oscillator driver for an external crystal, receiver gain stages, and CRC coprocessor. The internal frame handling supports FIFO buffering of 64 bytes, and programmable timers support protocol framing. This reduces host CPU load compared with bit-banged implementations. Typical applications include 13.56 MHz smart-card readers, point-of-sale terminals, embedded access control, and Arduino/Raspberry Pi hobbyist NFC modules, where the SPI interface and 3.3V supply map directly onto common microcontroller systems. Design consideration: antenna matching is critical - follow the NXP antenna design guide for L-matching network component values, and note the MFRC52202HN1 (version 2.0) offers improved rough-condition stability and an additional timer prescaler while remaining fully compatible. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not consolidated in the manufacturer datasheet.
MFRC52202HN1,157 - 13.56MHz MIFARE NFC Reader IC | NXP
The NXP Semiconductors MFRC52202HN1,157 is a standard-performance 13.56 MHz contactless reader/writer front-end IC supporting ISO/IEC 14443 A/MIFARE and NTAG protocols, operating from a 2.5 V to 3.3 V supply in a 32-pin HVQFN (VFQFN) exposed-pad package. A 13.56 MHz NFC reader front-end is a radio-frequency integrated circuit that generates the carrier field, modulates and demodulates data, and handles the ISO/IEC 14443 Type A protocol framing needed to communicate with contactless cards, MIFARE classics, and NTAG tags. It sits inside the NFC/HF radio hierarchy: contactless reader IC -> HF RFID transceiver -> RF transceiver -> mixed-signal semiconductor, bridging the analog RF domain and the digital host system. Key features include the 13.56 MHz carrier for contactless communication, support for ISO/IEC 14443 A, MIFARE and NTAG card families, flexible host interfaces (SPI, I2C, and serial UART selected via pin strap options), and a compact 32-VFQFN exposed-pad package that aids thermal dissipation and RF grounding. An integrated analog front-end with low-power mode makes it suitable for battery-conscious reader designs. Technically, the device integrates the complete analog front end: a 13.56 MHz oscillator interface for an external crystal, Tx drivers feeding an external antenna matching network, Rx gain stages for load-modulated tag responses, and a digital engine handling framing, CRC, and the parallel-host or serial-host register interface. Version 2.0 silicon refinements improve RF timing robustness compared with the original MFRC522 v1.0. Typical applications include access-control card readers, embedded NFC/RFID development platforms (notably Arduino RC522 shields), smart labeling and tagging stations, and point-of-interaction read stations for MIFARE and NTAG credentials. The 2.5 V to 3.3 V supply range pairs naturally with 3.3 V microcontrollers. Design consideration: this part is Not Recommended for New Designs; NXP directs new designs to the CLRC663 plus family, so budget for migration in long-lived products. RF performance depends heavily on the antenna matching network and PCB ground plane. This page synthesizes distributor pricing, availability, drop-in family alternatives, and practical migration guidance not consolidated in the manufacturer datasheet.
MRF5S19060NR1 - 1930-1990 MHz 12W RF Power LDMOS | NXP
The NXP MRF5S19060NR1 is an N-channel enhancement-mode lateral MOSFET (LDMOS) designed for broadband commercial and industrial RF power amplifier applications in the 1930-1990 MHz band. It delivers 12 W average output power at 28 V with a typical gain of 14 dB and is housed in a TO-270 WB-4 over-molded plastic package. The device is rated at 65 V drain-source breakdown and operates from a 28 V nominal supply with 750 mA quiescent bias at 1.99 GHz test conditions. An RF power LDMOS transistor is a specialized MOSFET structure built on a laterally-diffused metal-oxide-semiconductor process. LDMOS devices combine high breakdown voltage, excellent thermal performance, and good RF gain, making them the dominant technology for base-station power amplifiers, broadcast transmitters, and industrial RF heating systems. Within the RF semiconductor hierarchy, the MRF5S19060NR1 sits between small-signal RF transistors and high-power vacuum tubes, occupying the 10-100 W average output power class used in cellular infrastructure. Key features include 14 dB typical gain at 1.99 GHz, broadband performance across the 1930-1990 MHz PCS/DCS band, integrated ESD protection, and a thermally-enhanced plastic package with a low thermal resistance to the flange. The high gain and broadband matching characteristics reduce the number of driver stages required in the amplifier chain, simplifying overall transmitter design. The device uses NXP's high-voltage LDMOS process technology optimized for 28 V operation. The lateral structure provides inherent robustness against load mismatch (high VSWR) and allows single-ended common-source amplifier topologies. Internal matching networks reduce external component count and improve gain flatness across the operating band. Typical applications include 1930-1990 MHz PCS/DCS base station power amplifiers, W-CDMA and TD-SCDMA driver stages, industrial RF heating equipment, and broadband commercial transmitters. Its broadband matching makes it especially suitable for multi-carrier and software-defined radio platforms where the amplifier must cover a wide instantaneous bandwidth without retuning. Designers should provide adequate RF chassis decoupling on the drain supply and follow NXP's reference design for input/output matching. A properly heat-sunk flange mount is essential to maintain junction temperature below the 200 C rating under continuous CW or high-duty-cycle operation. This page synthesizes verified distributor pricing, drop-in alternatives from the same NXP RF power family, and practical design notes not found in the manufacturer datasheet alone.
MRF8P23160WHSR3 - 160W RF Power MOSFET 2.3-2.4GHz | NXP
The NXP MRF8P23160WHSR3 is a single W-CDMA lateral N-Channel RF Power MOSFET designed for base station applications covering 2300 to 2400 MHz with 30 W average output power at 28 V VDD. Housed in the NI-780-4 (CASE 465M-01) ceramic flangeless package, it integrates the high-voltage HV8 process with a lateral diffusion architecture optimized for Doherty amplifier topologies used in 4G LTE infrastructure. Key specs include 65 V V(BR)DSS, 14.1 dB power gain, 600 mA quiescent bias, and 28 V test voltage. An RF Power MOSFET is a specialized lateral double-diffused (LDMOS) transistor engineered for high-frequency, high-power amplification in wireless base stations. Unlike small-signal MOSFETs, RF power MOSFETs integrate impedance-matching structures, ceramic packaging, and gold metallization to minimize parasitic losses and thermal resistance. MRF8P23160WHSR3 belongs to the HV8 LDMOS family, positioned in the hierarchy: LDMOS -> RF Power MOSFET -> RF Transistor -> Discrete Semiconductor. This device is engineered for Doherty configurations where two amplifiers combine a main and a peaking path to maximize efficiency across modulation peaks. Key differentiating features include 65 V drain-source breakdown voltage providing wide margin above the 28 V operational rail, 14.1 dB power gain at 2.32 GHz enabling multi-stage amplifier cascades, and a low-thermal-resistance NI-780-4 ceramic package capable of dissipating 160 W peak RF output. The lateral N-channel enhancement-mode design supports wide instantaneous bandwidth across the 2300-2400 MHz band and integrates electrostatic discharge (ESD) protection at the gate. Architecturally, the device uses a Freescale (now NXP) lateral HV8 LDMOS process, which places source, channel, and drain laterally under the gate. This geometry reduces on-resistance per unit area and provides intrinsic thermal stability for continuous-wave (CW) and pulsed RF operation. The NI-780-4 package features a ceramic body with flat leads designed for surface-mount placement onto a copper flange or thermal spreader. Typical applications include 4G LTE base station power amplifiers in the 2.3-2.4 GHz TDD/FDD bands, Doherty amplifier final stages for macro-cell transmitters, and W-CDMA driver amplifiers for cellular repeaters. The wide bandwidth also makes the device usable for multi-carrier GSM and TD-LTE amplifier chains. Per the datasheet, single-carrier W-CDMA drive-up at VDD=28V delivers 30 W average output at the rated quiescent current. Design consideration: When designing a Doherty amplifier with this part, maintain VGS bias near the Class AB region (~600 mA IDQA at VDD=28 V) to balance linearity and efficiency. Ensure the thermal interface between the ceramic body and the heat spreader uses a thin layer of thermal compound to minimize junction-to-case resistance, and verify input/output matching networks are tuned to the specific 2.32 GHz target within the 2300-2400 MHz operating band. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
MRFE8VP8600HR5 - 140W 470-870MHz 50V RF LDMOS | NXP
The NXP MRFE8VP8600HR5 is a 140 W average, 470-870 MHz, 50 V N-channel enhancement-mode lateral MOSFET (LDMOS) RF power transistor housed in the NI-1230 (SOT1787) ceramic package. It is designed for UHF TV broadcast transmitters and integrates an on-chip input matching network that simplifies Doherty and push-pull amplifier layouts while maintaining uniform power distribution between paired devices. An RF power LDMOS transistor is a laterally diffused metal-oxide-semiconductor FET engineered to deliver high continuous-wave and pulsed RF output power at high frequencies, combining the ruggedness of a power MOSFET with the frequency response required for narrowband broadcast and ISM links. Within the power semiconductor hierarchy, an RF LDMOS sits under power MOSFET -> discrete semiconductor -> semiconductor, and is the de facto device family for high-power UHF broadcast transmitters because of its high breakdown voltage, high gain, and broadband matching flexibility. Key electrical specifications include 50 V drain-source rating, 21 dB typical gain at 860 MHz (per DigiKey), 140 W average output power across 470-860 MHz, and integrated input matching. The NI-1230 ceramic flange provides a low thermal resistance path for forced-air or liquid-cooled heatsinking, which is essential when dissipating 200-300 W of waste heat at full CW operation. The device operates class AB for linear broadcast amplification and class C for high-efficiency pulsed operation. Typical applications include UHF analog and digital TV transmitters (DVB-T/T2, ATSC), industrial scientific and medical (ISM) band amplifiers, and pulsed RF power amplifiers for radar and particle accelerator drivers. The integrated input matching network removes dozens of discrete SMD components from the PCB and enables drop-in device replacement between paired push-pull or Doherty halves. When designing with this device, ensure the drain supply is decoupled with low-ESR electrolytic and ceramic capacitors close to the flange, and that the heatsink thermal design keeps the junction below 200C under worst-case load VSWR. Always mount with the recommended torque on the mounting screws to avoid ceramic cracking.
MS22300 - 10G Dual-CDR Multi-Rate Optical Transceiver | Minisilicon
The Minisilicon MS22300 is an integrated 10G dual-CDR multi-rate transceiver chip combining a clock and data recovery function, an EML laser driver, and a limiting amplifier in a QFN32 4x4 package. The verified source data identifies it as a bidirectional transceiver solution for low-power SFP+ retiming modules and SONET-related optical links, with an on-chip APC function, a standard IIC interface, and digital control circuitry. The available information also describes support for 10G ER/ZR optical transceiver designs and pairing with the MS56-series 10G TIA family. A clock and data recovery (CDR) circuit is a high-speed signal-conditioning component that extracts timing information from a serial data stream and regenerates a clean, phase-aligned output. In an optical transceiver, the CDR works with the laser driver and receive-side limiting amplifier to support reliable data transfer over optical media. The MS22300’s combination of these functions can reduce the external signal-chain component count in a retiming-module design, while its digital control interfaces provide a path for configuration and optimization. The MS22300 product information highlights an improved APC loop with extended dynamic range and high resolution. APC means automatic power control, a feedback mechanism used to regulate optical output power and compensate for component and environmental variation. The verified manufacturer page describes MS22300 as an EML driver, limiting amplifier, and CDR solution intended to support multiple optical emission components. However, complete electrical timing, supply-voltage, power-consumption, temperature, and pin-level specifications are not present in the supplied data, so those values remain marked for engineering verification. The chip is positioned for 10G ER/ZR transceiver implementations. ER and ZR optical reaches are used in optical-networking systems where transmission distance and link-budget requirements differ. Because the supplied evidence specifically mentions 10G ER/ZR support, SFP+ retiming modules, SONET applications, and MS56-series TIA pairing, those are the primary design contexts supported by this record. The QFN32 4x4 package can also support compact module layouts, but the exposed-pad and thermal details must be confirmed from the official MS22300 datasheet before PCB release. This page combines the verified manufacturer descriptions with transparent data gaps rather than inventing unprovided electrical specifications. Engineers should confirm supply rails, high-speed differential I/O requirements, pin mapping, protocol coverage, optical-launch behavior, receive sensitivity, thermal limits, and control-register compatibility with the manufacturer datasheet and application support. For a production design, the MS22300 should be treated as a specialized optical-transceiver IC, not as a generic digital logic or memory component.
MSN3420-CB2RC - 48x25GbE 12x100GbE Spectrum-2 Switch | NVIDIA
The NVIDIA Mellanox MSN3420-CB2RC is a 1U rack-mountable Open Ethernet switch delivering 48x 25GbE SFP28 ports plus 12x 100GbE QSFP28 ports (60 ports total, 100000 Mbps per uplink group), built on the NVIDIA Spectrum-2 ASIC and shipped with NVIDIA Cumulus Linux pre-installed, with 2x AC power supplies and C2P (connector-to-panel) airflow. A data center Ethernet switch is a Layer 2/Layer 3 managed networking device that interconnects servers, storage, and uplinks within top-of-rack (ToR), leaf, and spine topologies. It sits in the network hierarchy above NICs and below core routers, and belongs to the broader family of switching systems built on merchant silicon switch ASICs. Key features include a high-density 25G server-access port count with 100G uplink readiness, Open Ethernet programmability via Cumulus Linux on an integrated x86 CPU, and dual hot-swappable AC PSUs for redundancy. The Spectrum-2 ASIC supports port speeds spanning 1GbE to 400GbE across the SN3000 family, giving migration flexibility from 10G to 25G access. Technically, the Spectrum-2 generation uses a monolithic on-chip packet buffer supporting high-bandwidth packet reads and writes, enabling consistent, predictable cut-through performance. The architecture simplifies buffer management and traffic scheduling while supporting intelligent congestion management, including Explicit Congestion Notification (ECN), which matters for RoCE and cloud-scale workloads. Typical applications include top-of-rack server access in web-scale IT, leaf switches in leaf-spine cloud networks, hyperconverged storage fabrics, and data analytics clusters - environments where 25G server connectivity and low, consistent latency are decisive. Design consideration: verify airflow direction before ordering - CB2RC uses C2P (front-to-back exhaust per NVIDIA documentation); pairing it with the wrong rack cooling direction causes thermal throttling. Operating range is 0 to 40 degrees C. This page synthesizes distributor pricing, sibling-SKU alternatives, and deployment design notes not consolidated in the NVIDIA datasheet.
MSN3700-CS2FC - 32x100GbE Spectrum-2 Switch | NVIDIA Mellanox
The NVIDIA Mellanox MSN3700-CS2FC is a 1U rack-mountable data center Ethernet switch built on the Spectrum-2 ASIC, delivering 32x 100GbE QSFP28 ports with 6.4 Tbps switching capacity, a forwarding rate of 4.76 Bpps, and a cut-through latency of 425 ns in a short-depth chassis with P2C (back-to-front) airflow and dual AC power supplies. A data center spine/leaf switch is the core building block of cloud-scale layer-2 and layer-3 network fabrics. In the network hierarchy, a spine switch aggregates leaf switches to form non-blocking Clos topologies; the Spectrum-2 platform belongs to the broader family of Open Ethernet switching systems designed for software-defined networking (SDN) and runs the ONIE-installed Cumulus Linux network operating system on an x86 management CPU. Key features include fully splittable QSFP28 ports supporting speeds from 1GbE to 100GbE, expandable to 128x 10/25GbE ports with splitter cables, dual redundant AC power supplies rated 100-264 V, and L3 managed switching with advanced SDN capabilities. The Spectrum-2 ASIC provides consistent low latency and deep buffering for East-West traffic. The MSN3700-CS2FC combines the Spectrum-2 silicon with an open ecosystem: ONIE boot loader, Cumulus Linux, and standard x86 CPUs allow full automation through DevOps tooling. Back-to-front (P2C) airflow suits hot-aisle exhaust data center layouts, and the standard-depth chassis fits shallow racks common in colocation facilities. Typical applications include cloud-scale leaf/spine fabrics, hyperconverged storage networks, big data and analytics clusters, and high-density 25GbE server access using breakout cables. It is also deployed as a super-spine aggregation switch in web-scale IT. Design consideration: verify airflow direction at ordering time; the -CS2FC (P2C/back-to-front) variant must not be mixed with front-to-back (C2P) units in the same rack without ducting planning. This page synthesizes distributor pricing, drop-in platform alternatives, and practical deployment notes not found in the manufacturer datasheet, with pricing verified as of 2026-10-19.
MSN3700-VS2FC - 32x200GbE Spectrum-2 Switch | NVIDIA
The NVIDIA (Mellanox) MSN3700-VS2FC is a 1U rack-mount Open Ethernet switch built on the Spectrum-2 ASIC, delivering 32 QSFP56 ports at up to 200GbE each (12.8 Tb/s aggregate throughput) with two AC power supplies, standard-depth chassis, x86 management CPU, P2C (port-to-connector) airflow, and Cumulus Linux pre-installed. A data center switch is the top-of-rack or spine-layer device that interconnects servers, storage, and other switches in a leaf/spine fabric. Within the network equipment hierarchy, the MSN3700-VS2FC belongs to the NVIDIA Spectrum SN3000 series of Open Ethernet switch systems, positioned above 100G access platforms and alongside the modular SN3000 chassis products for cloud-scale deployments. Key features include 32x QSFP56 ports supporting 1GbE through 400GbE speeds per the SN3000 series datasheet, full 12.8 Tb/s non-blocking fabric for rack-scale connectivity, redundant hot-swappable AC power supplies, and a Cumulus Linux operating environment enabling automation with standard DevOps tooling. The SN3000 series is purpose-built for leaf, spine, and super-spine data center topologies. The Spectrum-2 ASIC provides flexible port speeds spanning 1GbE to 400GbE, allowing a single platform to serve mixed-speed fabrics. The x86 management CPU runs Cumulus Linux natively, supporting REST APIs, Ansible, and telemetry for cloud-style operations. P2C airflow matches typical forward-flow rack cooling, and the standard-depth chassis fits common 1U racks with the included rail kit. Typical applications include 200G spine switches in hyperscale and enterprise data centers, VAST Data and high-performance NVMe storage fabric interconnects (the MSN3700-VS2FC is a listed VAST Data OPN), and AI/ML cluster leaf fabrics where 100G/200G server connectivity is required. Design consideration: exact power consumption figures are not published in the available evidence; confirm AC power budget and PSU redundancy requirements with the manufacturer datasheet before finalizing rack power planning. This page synthesizes distributor pricing, family cross-references, and practical deployment notes not consolidated in the manufacturer datasheet.
NAC1081XTMA1 - NFC Actuation Controller 13.56MHz VFQFN-32 | Infineon
The Infineon NAC1081XTMA1 is a fully integrated NFC actuation controller that combines an ISO 14443 / NFC Forum compliant contactless transceiver, a microcontroller, and an actuation / sensor interface in a single 32-pin VFQFN exposed-pad package. It operates over a 2.8V to 3.3V supply and communicates with external hosts through SPI and UART interfaces. The device is purpose-built for battery-less or energy-harvesting applications where an NFC field powers up the IC and triggers a defined actuation sequence on a load. What is an NFC actuation controller? It is a category of mixed-signal ICs that sits at the intersection of contactless front-ends and embedded MCUs. The hierarchy is: NFC actuation controller -> NFC/RFID front-end IC -> wireless power & sensor interface -> power management & mixed-signal IC. Unlike a passive RFID tag, an NFC actuation controller can actively drive outputs (relays, MOSFETs, LEDs, sensors) after harvesting energy from the RF field, eliminating the need for a battery in many IoT nodes. Key features include ISO 14443-A/B compliance, NFC Forum Type 2/4 tag emulation support, an integrated 13.56 MHz RF front-end with no external matching components required, an on-chip ARM Cortex-M0 microcontroller core, and a configurable actuation / GPIO bridge. The integrated regulator derives system power directly from the harvested RF energy, supporting fully passive operation up to a few milliwatts of load drive. The architecture combines a hardwired analog front-end with a programmable MCU core. The analog block performs RF rectification, demodulation, load modulation, and field detection; the MCU executes customer firmware from embedded NVM. This partitioning allows deterministic RF behaviour while preserving firmware flexibility for actuation profiles, security keys, and host protocols. Typical applications include NFC-configured IoT commissioning, battery-free wireless sensor nodes, NFC-triggered smart locks and door access, industrial parameterization tools, and consumer electronics pairing. The wide 2.8-3.3V range and exposed-pad package support compact PCB layouts suitable for tags, inlays, and small form-factor modules. A critical design consideration is antenna matching: the NAC1081 expects a 50-ohm RF interface and a tuned loop antenna. Mismatched impedance will reduce the read range and may prevent energy harvesting at the target distance. Designers should follow the reference antenna layout in the Infineon datasheet. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond what is in the manufacturer datasheet, helping engineers shorten the sourcing and integration cycle.
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.
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.
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.