RF 트랜시버
제품 (226)
PN7160B1HN - NFC Plug & Play Controller with NCI | NXP
The NXP Semiconductors PN7160B1HN is an NFC Plug and Play Controller with integrated firmware and an NCI (NFC Controller Interface) interface, designed for rapid integration into a wide range of NFC-enabled systems. It operates at 13.56 MHz, supports FeliCa, ISO 14443, ISO 15693, and MIFARE standards, and connects to the host MCU through an SPI interface. Supply voltage is dual-rail at 1.65 V to 1.95 V (host interface) and 3 V to 3.6 V (RF/analog), and it ships in a 40-VFQFN exposed-pad package. According to the manufacturer datasheet, it supports all NFC Forum modes and includes native drivers for Android, Linux, and Windows. A Near Field Communication (NFC) controller is a contactless short-range radio transceiver that operates at 13.56 MHz and conforms to ISO/IEC 14443, ISO/IEC 15693, FeliCa, and NFC Forum specifications. NFC controllers sit in the wireless connectivity hierarchy between simple RFID readers and full application processors, providing peer-to-peer, reader/writer, and card-emulation functions to a host MCU via a standardized NCI command set. The PN7160 family targets consumer, industrial, and embedded-payment use cases where offloading the RF stack, low power draw, and fast host integration are priorities. Key features include integrated firmware that removes the need for host-side stack development, a high RF output power that enables reliable operation even with small antennas, and on-board dynamic power control (DPC) that adjusts transmit power based on field strength to limit current consumption. The device is qualified to operate over the -40 C to +85 C industrial range, and it supports extended-length APDUs required by EMVCo L1. A hardware reset pin, multiple GPIO lines, and an IRQ output simplify host bring-up. From an architecture standpoint, the PN7160 uses a dedicated firmware-controlled state machine with an embedded RF front-end. Because all protocol handling is on-chip, the host only needs to send standardized NCI commands; this keeps the host driver footprint small and lets the same firmware support multiple host operating systems. The exposed thermal pad on the 40-VFQFN package is essential for RF performance and must be soldered to the ground plane. Typical applications include contactless payment terminals, access-control readers, IoT provisioning, Bluetooth-pairing helpers, and e-Government document readers. The MPN suffix B1 denotes the integrated firmware variant. Design considerations center on antenna matching, EMC compliance, and PCB layout: the RF loop must be kept short, the exposed pad must be well-grounded, and the host SPI lines should be length-matched to avoid signal-integrity issues at high speeds. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Engineers can use the comparison_table and design_notes sections to evaluate the PN7160 against alternative NFC controllers before committing to a BOM.
PN7160B1HN-C100Y - NFC Plug & Play Controller, NCI, 13.56 MHz | NXP
The NXP Semiconductors PN7160B1HN-C100Y is a near field communication (NFC) plug-and-play controller with integrated firmware and an NCI (NFC Controller Interface) host interface, designed for rapid integration into embedded systems supporting all NFC Forum modes. Housed in a 40-pin HVQFN (SOT618-1) exposed-pad package, the device operates on a 1.65 V to 1.95 V host supply and a separate 3.0 V to 3.6 V RF/transmitter supply, with carrier frequency at 13.56 MHz supporting ISO 14443, ISO 15693, FeliCa, and MIFARE protocols. An NFC controller is a contactless interface IC that handles the RF modulation, demodulation, protocol stack, and cryptographic primitives required to communicate with contactless cards, NFC tags, and peer-to-peer devices. NXP's PN7160 family sits at the RF front-end layer of an embedded system, typically positioned between the application processor (which runs the NFC application stack) and the antenna matching network. Unlike bare NFC frontends that require extensive firmware development, the PN7160 ships with pre-integrated firmware executed on an embedded Arm Cortex-M0 core, exposing a standardized NCI interface to the host. Key features include integrated firmware supporting reader/writer, peer-to-peer (P2P), and card-emulation modes, support for all NFC Forum NXP-specified modes, dedicated host interfaces including SPI/I2C, and built-in support for Android, Linux, and Windows host drivers. The HVQFN-40 package with exposed thermal pad provides good RF grounding and thermal dissipation for the integrated TX driver stages. The PN7160 also includes secure boot, secure firmware update, and hardware cryptographic accelerators for tag authentication in payment and access-control applications. Architecture-wise, the PN7160 uses an embedded Arm Cortex-M0 microcontroller running NXP's NCI firmware, an analog RF front-end supporting the full 13.56 MHz band, a digital protocol engine handling ISO 14443 type A/B, FeliCa, ISO 15693, NFC-DEP, and NFC Forum tag type 1/2/3/4/5, plus power-management circuitry. The integrated TX current limiter and dynamic power-control loops maintain regulatory compliance for radiated emissions across global RF standards. Typical applications include NFC payment terminals, contactless access-control readers, e-Ticketing terminals, NFC peer-to-pairing dongles, point-of-sale (POS) customer-facing devices, and IoT provisioning gateways. The plug-and-play firmware eliminates months of NFC stack development for OEMs targeting Android Things, Linux embedded, and Windows IoT hosts. When designing with this part, observe the antenna-matching circuit recommendations in the datasheet - typically a 50 ohm differential feed with EMC filter components and a tuning capacitor. Place the SPI/I2C traces away from the RF traces and provide a solid ground pour beneath the IC for proper thermal and RF performance. This page synthesizes distributor pricing, a same-brand PN7160 family cross-reference, and PCB-level design guidance not repeated in the manufacturer datasheet overview.
PN7161A1EV - NFC Plug & Play Controller, 13.56MHz | NXP Semiconductors
The NXP Semiconductors PN7161A1EV is a near field communication (NFC) controller IC with integrated firmware and an NCI (NFC Controller Interface) host interface, housed in a 64-pin VFBGA package. The device operates at an RF frequency of 13.56 MHz and supports FeliCa, ISO 14443, ISO 15693, MIFARE, and NFC Forum protocols, making it a drop-in NFC frontend for embedded systems. It communicates with the host processor through an I2C interface at 1.65V to 1.95V (core) and 3.0V to 3.6V (I/O) supply rails. An NFC controller is a contactless communications IC responsible for the analog RF signal generation, modulation/demodulation, and protocol framing required to communicate with NFC tags, contactless smart cards, and NFC peer-to-peer devices. NFC controllers sit below the host application processor in the system hierarchy (NFC controller -> NFC frontend -> short-range wireless IC -> RF semiconductor) and rely on the host to run the upper NFC stack and application layer. Compared with discrete reader designs, an integrated NFC controller with embedded firmware reduces BOM count, accelerates time-to-market, and eases regulatory compliance for EMVCo and NFC Forum certification. Key features include a built-in antenna driver, integrated non-volatile memory for firmware and configuration, low-power wake-up via host-controlled polling, and native support for Apple Enhanced Contactless Polling (ECP) on the C100 firmware variant. The device targets USB, UART, SPI, and I2C hosts through a single NCI-compliant interface, and integrates the RF matching network driver output, eliminating many external components. The PN7161A1EV variant specifically enables Apple ECP after formal authorization, distinguishing it from the baseline PN7160 firmware builds. Typical applications include payment terminals (EMVCo contactless), point-of-sale readers, access control systems, and industrial NFC tag commissioning where reliable 13.56 MHz RF performance, low standby power, and minimal host CPU overhead are required. The integrated NCI interface also enables easy integration with Linux/Android NXP-NCI stacks and Windows NFC class extension drivers. When designing with the PN7161A1EV, ensure the antenna matching network is tuned for the chosen coil and the host platform's NCI driver stack supports the loaded firmware revision. Power-rail sequencing must place the 1.8V VBAT rail before VDDIO to avoid inrush into the RF section.
PN7161A1EV-C100K - NFC Plug & Play Controller with Apple ECP | NXP
The NXP Semiconductors PN7161A1EV-C100K is an NFC Plug and Play controller with integrated firmware and NCI interface, supporting FeliCa, ISO 14443, ISO 15693, MIFARE, and NFC Forum tag types at 13.56 MHz. It operates from a dual voltage rail (1.65 V to 1.95 V host interface, 3.0 V to 3.6 V RF supply), draws up to 290 mA peak, and is housed in a 64-ball VFBGA package. The /C100K variant adds Apple Enhanced Contactless Polling (ECP) support on top of the standard PN7161 firmware. What is an NFC controller? An NFC (Near Field Communication) controller is an integrated circuit that handles the 13.56 MHz RF front-end, the ISO 14443/ISO 15693/FeliCa protocol layers, and exposes a digital host interface (I2C, SPI, or NCI in the NXP case) so an application processor can read/write NFC tags, emulate cards, or perform peer-to-peer data exchange without writing low-level driver code. NFC controllers sit hierarchically under NFC/RFID ICs -> wireless transceivers -> semiconductor. The PN7161 family targets the higher level of this stack by integrating the RF matching network, antenna driver, and a complete NCI firmware image so OEMs can drop it onto a board and ship an NFC reader in days. Key features include a built-in antenna driver with adjustable output power, integrated non-volatile memory for firmware storage, hardware low-power wake-up via an NFC-field detector, and a high-output RF stage capable of driving typical antennas at over 1.5 W conducted. The /C100K firmware build supports Apple ECP, which is required for certain Apple Wallet terminal modes (Apple VAS, Apple ECP) and is otherwise identical to the /C100 build in terms of electrical and mechanical characteristics. The PN7161 architecture combines an Arm Cortex-M0 core for host-side command processing, an 80C51 core for real-time RF protocol handling, dedicated hardware for ISO 14443 A/B, ISO 15693, FeliCa, and NFC-Forum tag-type demodulation, and a silicon-graded RF front-end. The internal NVM stores the NCI firmware image, allowing field upgrades over the NCI interface and removing the need for an external flash on the smallest designs. Typical applications include NFC reader modules for point-of-sale (POS) terminals, Apple Wallet-compliant contactless payment readers, NFC tag reading/writing for access control, Bluetooth pairing via NFC, and consumer electronics such as printers and wearables. The integrated antenna driver simplifies BOM and PCB layout versus discrete RF front-end designs. When designing with this part, ensure a well-matched 50 ohm antenna network, follow NXP reference design (H/NXP-NXP-DRP-REF) layout guidelines for the RF matching area, and respect the moisture sensitivity level (MSL 3, 168 hours floor life) for VFBGA-64 handling. Use the NXP NCI host library on Linux, Android, or Windows to issue commands without writing low-level RF driver code. This page synthesizes distributor pricing from DigiKey, Mouser, LCSC and Octopart, drop-in same-package variants of the PN7161, and practical design notes that are not duplicated in the manufacturer datasheet.
PN7161B1EV-C100K - NFC Plug & Play Controller, 13.56MHz, VFBGA-64 | NXP
The NXP Semiconductors PN7161B1EV-C100K is an NFC Plug and Play controller with integrated firmware and an NCI (NXP NFC Controller Interface) host interface, delivered in a 64-ball VFBGA package. It operates at a carrier frequency of 13.56 MHz and supports FeliCa, ISO 14443 Type A/B, ISO 15693, MIFARE, and NFC Forum protocols. The C100K variant adds Apple Enhanced Contactless Polling (ECP) support on top of the PN7160 feature baseline. Supply voltage is 1.65 V to 1.95 V for the digital core and 3.0 V to 3.6 V for the RF analog section, with a typical current consumption around 10.5 uA in standby/polling-low-power mode per the JLCPCB parametric summary. An NFC controller is a contactless front-end IC that manages RF communication with NFC tags, smart cards, and peer devices at 13.56 MHz, exposing the wireless protocol stack to a host processor through a command-based interface such as NCI. Within the system hierarchy, the PN7161 sits between an application processor (the host) and the antenna matching network, falling into the RF & Wireless > NFC Controllers category. It enables payment terminals, access control, and consumer electronics to add NFC functionality without exposing the host to low-level RF protocol handling. Key features include integrated FW, hardware support for Apple ECP (after formal authorization), SPI/host interface, and dynamic power control of the RF output stage. The integrated matching-capable TXLDO and automatic EMD (electromagnetic disturbance) handling simplify antenna design and EMC compliance for OEM integrators building payment or peer-to-peer products. The PN7161B1 architecture builds on NXP's NCI 2.0 standard, exposing a standardized host command set that abstracts the RF protocol stack. The C100K firmware differentiates it from the C100 (PN7160 baseline) and C100Y firmware variants in the same VFBGA-64 footprint, allowing PCB reuse while selecting the feature set needed for Apple-ecosystem interoperability. Typical applications include payment terminals, NFC point-of-sale readers, access control readers, and consumer electronics such as printers, smart appliances, and IoT gateways that need to interact with contactless cards or phones. Industrial HMI panels, EV charging stations, and access control readers also benefit from its peer-to-peer and card-emulation modes. 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 types. Because the ECP feature requires Apple authorization, the firmware image provisioned at NXP must match the integrator's license before ECP commands are accepted by an iPhone or Apple Watch in field. This page synthesizes distributor pricing, drop-in firmware variants within the PN7161 family, and practical RF design notes that are not consolidated in the manufacturer datasheet.
PN7161B1HN - NFC Controller, 13.56MHz, NCI, VFQFN-40 | NXP
The NXP PN7161B1HN is an NFC controller IC operating at 13.56 MHz with an SPI host interface and NCI (NFC Controller Interface), housed in a 40-pin VFQFN exposed-pad package. It is designed to support EMV L1 compliance, NFC Forum applications, Apple ECP (Enhanced Contactless Polling), FeliCa, ISO 14443, ISO 15693, and MIFARE protocols. The PN7161B1HN is intended for integration into payment terminals, mobile point-of-sale systems, and consumer electronics that require high-performance contactless front-ends. An NFC controller is a near-field communication front-end IC that handles the analog RF layer (antenna tuning, modulation/demodulation) and exposes a standardized digital command interface (NCI) to a host application processor. NCI controllers like the PN7161B1HN offload the timing-critical contactless protocol stack from the host CPU, enabling the application processor to run the user-facing payment, access-control, or pairing logic while the PN7161B1HN manages RF compliance and certification requirements. Within the broader system hierarchy, an NFC controller sits under the wireless connectivity IC category, alongside Wi-Fi and Bluetooth transceivers, and is typically paired with a secure element for payment systems. Key features include integrated firmware supporting EMV L1 and NFC Forum specifications, a host SPI interface up to 15 MHz, support for Apple ECP (Enhanced Contactless Polling), and dynamic power control. The device supports a wide supply range: 1.65 V to 1.95 V for the digital interface (typical 1.8 V) and 3.0 V to 3.6 V for the RF analog and main supply (typical 3.3 V). The exposed thermal pad on the VFQFN-40 package enables efficient heat dissipation during continuous RF operation. Typical RF output power is sufficient to drive standard contactless reader antennas at the 13.56 MHz carrier frequency used across all major contactless standards. The PN7161B1HN integrates a high-performance ARM Cortex-M0 microcontroller core running NXP's certified NFC firmware stack, an AWC (Active Waveform Control) transceiver for improved RF performance, and on-chip tuning capacitor banks. The architecture separates the host-facing digital domain (1.8 V SPI/I2C) from the RF/analog domain (3.3 V), simplifying integration with low-voltage application processors. EMV L1 certification pre-compliance reduces end-product time to market for payment terminal designs. Typical applications include EMV contactless payment terminals, Apple Pay merchant terminals (ECP-enabled), NFC point-of-sale readers, access control readers, and consumer electronics pairing/identification. The PN7161B1HN is also deployed in industrial NFC readers where EMV and NFC Forum certification is required. When designing with the PN7161B1HN, place the matching network and EMC filter components as close as possible to the RFD_TX/RX pins and ensure the exposed pad is soldered to a sufficient ground plane for thermal relief. The host should run NXP's NCI driver stack and validate antenna matching against the target environment (metal housings, ferrite sheets) to achieve EMV L1 compliance. This page synthesizes distributor pricing, drop-in alternatives, EMV/NFC application guidance, and practical design notes that complement the official NXP datasheet and EMV L1 certification documentation.
PN7161B1HN-C100Y - NFC Controller with NCI Interface | NXP
The NXP Semiconductors PN7161B1HN-C100Y is an EMV L1 compliant NFC controller with NCI interface, supporting EMV and NFC Forum applications plus Apple Enhanced Contactless Polling (ECP). It operates at 13.56 MHz and integrates all RF analog front-end, protocol stack handling, and host interface logic in a 40-pin HVQFN (HVQFN-40) exposed-pad package. The device supports a 1.65 V to 1.95 V or 3.0 V to 3.6 V supply range with SPI host interface. What is an NFC controller? An NFC (Near Field Communication) controller is a specialized mixed-signal IC that handles the 13.56 MHz RF physical layer and the NFCIP-1, NFCIP-2, ISO 14443, ISO 15693, FeliCa, and MIFARE protocol stacks, exposing a standardized host interface (NCI, NCI 2.0) to the application processor. In the system hierarchy, an NFC controller sits between the RF antenna and the host CPU and belongs to the broader category of short-range wireless ICs within RF & wireless semiconductor products. Key features include integrated RF front-end with automatic antenna tuning support, full NFC Forum tag type and peer-to-peer mode support, EMVCo L1 and L2 stack offload, dynamic load modulation for Apple ECP, low-power standby modes, and an integrated LDO for the RF section. The PN7161 builds on the PN7160 by adding Apple ECP enablement after formal authorization, while keeping the same VQFN-40 footprint and pinout. The device architecture combines an ARM Cortex-M0 core for firmware execution with hardware accelerators for framing, crypto, and EMVCo polling loops. A high-efficiency RF transmitter uses a single-ended output driving an external EMC filter and matching network, while a pair of differential Rx inputs accept the tag/NFC device response. An integrated temperature sensor and battery-friendly deep-sleep modes reduce idle consumption below typical NFC reader IC benchmarks. Typical applications include NFC payment terminals (POS), mobile point-of-sale accessories, EMV contactless readers, access control and ticketing readers, NFC-enabled IoT gateways, and automotive digital key / wireless charging authentication modules. The wide host-side voltage range also makes it suitable for direct connection to 1.8 V application processors. When designing with this device, allocate at least 4 layers of the PCB to the RF section and follow the NXP antenna design guide for the matching network and EMC low-pass filter. A stable host supply and a clean reset sequence are required during firmware download and after EMV stack updates. This page consolidates distributor pricing, drop-in NXP same-family alternatives, and application-specific design notes that complement the manufacturer datasheet and the NXP NFC forum reference designs.
PN7220 - 2W High-Power NFC Controller NCI 2.2 | NXP Semiconductors
The NXP Semiconductors PN7220 is a high-power NFC controller with NCI interface, delivering more than 2.0 W RF output power with high receiver sensitivity in a 64-ball VFBGA package, operating from a 2.4 V to 5.5 V supply with I2C, SPI, and USB host interfaces at 13.56 MHz. An NFC controller is a dedicated frontend IC that manages the contactless radio link between a host processor (smartphone, payment terminal, embedded reader) and NFC cards, tags, or phones. It sits within the RFID/contactless hierarchy: NFC controller -> NFC frontend IC -> RFID transceiver -> wireless connectivity IC, and implements the NFC Forum NCI (NFC Controller Interface) standard so the host stack stays portable. Key differentiating features include NCI 2.2 compliance, more than 2.0 W RF output power for robust field generation in electromagnetically difficult environments, integrated power management that reduces external BOM count, and secure mode switching for payment-grade operation. The part supports EMVCo 3.1 and NFC Forum analog/digital testing targets, making certification faster. Architecturally, the PN7220 integrates the RF analog front end, a contactless protocol engine (ISO 14443A/B, ISO 15693, MIFARE, FeliCa), an embedded firmware core, and voltage regulation on a single die. High receiver sensitivity extends read range with small antennas, while the strong transmit field improves performance near metal or with tightly coupled antenna matching networks. Typical applications include Android-based EMVCo payment terminals, vending machines with contactless payment, NFC Forum readers, industrial access control readers, and point-of-sale peripherals. Design consideration: because output power exceeds 2 W, PCB antenna matching and thermal copper area under the VFBGA must follow the NXP hardware design guidance to stay within EMVCo field tolerances. This page adds value beyond the datasheet by synthesizing distributor availability, drop-in alternative analysis (PN7221), and practical design notes for payment and reader designs.
PN7642EV - NFC Reader + Arm Cortex-M33 MCU 64-VFBGA | NXP
The NXP Semiconductors PN7642EV is a highly integrated NFC open controller that combines a high-performance 13.56 MHz NFC reader, a low-power Arm Cortex-M33 microcontroller with 180 kB of programmable flash memory, and a security subsystem optimized for secure key storage and cryptography, housed in a 64-ball VFBGA package. An NFC controller IC is a single-chip device that manages contactless communication according to proximity-coupling standards such as ISO 14443-A/B, ISO 15693, FeliCa, and NFC Forum protocols. Within the system hierarchy, it sits between the RF antenna front end and the host application layer, replacing the classic three-chip combination of a dedicated NFC reader IC, a general-purpose MCU, and a discrete Secure Element with one integrated solution. Key features include the integrated Arm Cortex-M33 core running application firmware from 180 kB of on-chip flash, full reader/writer (PCD) support for ISO14443-3/4 A/B, ISO15693 / ISO18000-3 mode 1, FeliCa, ISO18000-3 mode 3, and MIFARE, plus card-emulation (PICC, ISO14443-4A) capability, and up to 21 general-purpose I/Os with PWM functions on GPIO2 and GPIO3. The security toolbox provides secure key storage and cryptographic acceleration, allowing the PN7642 to replace an external secure element in access-control and authentication designs. Host connectivity is flexible via I2C, SPI, UART, or USB, and the device ships pre-initialized with firmware by version code (C100 = firmware 01.00, C101 = firmware 02.00 with pinless-download mode enabled by default, C102 = firmware 03.00). Typical applications include door-access readers, industrial NFC configuration ports, point-of-sale peripherals, and embedded secure-provisioning systems. Design consideration: the PN7642EV (VFBGA) and PN7462AUHN (QFN) are not footprint-compatible despite functional overlap, so package selection must be fixed before PCB layout. This page synthesizes distributor pricing, firmware-variant selection guidance, and practical design notes not found in the manufacturer datasheet.
PN7642EV-C101Y - NFC Controller, Cortex-M33, 64-VFBGA | NXP
The NXP Semiconductors PN7642EV-C101Y is a highly integrated NFC open controller combining a high-performance 13.56 MHz NFC reader, a low-power Arm Cortex-M33 microcontroller with 180 kB of programmable flash memory, and a security subsystem optimized for secure key storage and cryptography, housed in a 64-ball VFBGA package (4.5 mm x 4.5 mm) operating from 2.4 V to 5.5 V. An NFC controller is a mixed-signal system-on-chip that manages contactless communication in the 13.56 MHz ISM band, implementing reader/writer (PCD), card emulation (PICC), and peer-to-peer functions defined by NFC Forum and ISO protocols. In the system hierarchy, it sits between the analog RF front end and the host application layer, and the PN7642 replaces the need for a separate external MCU and a dedicated secure element in a single chip. Key features include support for ISO 14443-3/4-A, ISO 14443-3/4-B, ISO 15693, ISO 18000-3 mode 1 and mode 3 / FeliCa, and MIFARE, plus card emulation per ISO 14443-4A. Host connectivity is highly flexible with I2C, SPI, UART, and USB 2.0 interfaces. Up to 21 general-purpose I/Os with PWM capability enable direct control of LEDs, buzzers, and power sequencing in terminal designs without additional discretes. The integrated security toolbox provides secure key storage and cryptographic acceleration, allowing the PN7642 to handle authentication, key diversification, and encrypted sessions locally. The Arm Cortex-M33 core delivers sufficient headroom for custom application firmware while the 180 kB flash supports field customization. The C101 firmware suffix denotes firmware version 02.00 with pinless-download mode enabled by default, per the NXP PN7642 product data sheet. Typical applications include NFC readers for point-of-sale terminals, access control readers, industrial and building automation nodes, and smart-home or IoT devices requiring contactless provisioning. Design consideration: with a maximum supply current of up to 400 mA during RF field-on transients, the 2.4 V to 5.5 V supply rail and PCB power delivery must be sized accordingly, and the antenna matching network layout should follow the NXP PN7642 reference design. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.
PR5331C3HN - 13.56MHz USB NFC Reader IC | NXP | 40-VFQFN
The NXP PR5331C3HN is a highly integrated 13.56 MHz contactless NFC reader/writer transceiver with USB interface, housed in a 40-VFQFN Exposed Pad package. It supports FeliCa, ISO 14443 A/B, and MIFARE protocols via I2C and UART, operates from 2.5V to 3.6V, and delivers plug-and-play NFC functionality for embedded reader designs. According to the NXP product page, the part integrates an internal microcontroller that runs a dedicated ROM code to handle the full RF protocol stack, offloading the host processor from real-time NFC tasks. What is an NFC reader IC? An NFC (Near Field Communication) reader IC, also called a contactless front-end or HF RFID transceiver, is a semiconductor device that energizes and communicates with passive NFC tags, smart cards, and peer devices over a 13.56 MHz magnetic field. NFC reader ICs sit inside the broader RFID / contactless / wireless-charging adjacent semiconductor taxonomy and typically convert the host's digital commands into amplitude-modulated RF and demodulate the load-modulated response from the card. They are critical building blocks for payment terminals, access control, ticketing, pairing, and IoT identification. Key features of the PR5331C3HN include 13.56 MHz operation across multiple air-interface standards (FeliCa, ISO 14443 A/B, MIFARE), dual digital host interfaces (USB and HSU), an integrated 32-bit microcontroller with on-chip ROM firmware, and a 40-VFQFN Exposed Pad footprint for compact surface-mount designs. The device handles peer-to-peer NFC communication and card emulation/reader modes through standard CCID and PC/SC driver stacks, making it attractive for OS-level integration on Windows, Linux and Android hosts. Technically, the PR5331C3HN uses a single-ended antenna driver with internal matching and an LDO-fed analog chain, achieving sub-milliwatt standby power while supporting full RF output into a 50 ohm-equivalent antenna tank during transmit. The integrated ROM implements the complete ISO/IEC 14443-3 Type A/B anticollision, MIFARE Classic crypto, and FeliCa polling sequences, so the host only sees abstracted APDU commands. The 40-pin QFN exposed pad ties to a quiet analog ground and provides a low thermal-resistance path for the ~30 mA peak RF current pulse. Typical applications include NFC readers for POS payment terminals, Windows-logon / physical-access badge readers, NFC pairing modules for Bluetooth/Wi-Fi devices, IoT identification nodes, and developer/evaluation boards. Its USB-only connection model makes it especially clean for PC-tethered designs where an internal MCU slot is precious. Over the air, the part achieves typical operating distances of 4-6 cm with a 50 mm loop antenna matched to the on-chip TX driver. When designing with the PR5331C3HN, lay the antenna within 30 mm of the chip to keep the matching network simple, and tie the exposed pad to a contiguous ground pour with multiple thermal vias to dissipate the RF-pulse current. Designers migrating from PN532 family parts should review the digital host interface selection carefully, because PR5331C3HN favors USB/HSU whereas PN532 typically uses SPI/I2C. This page synthesizes distributor pricing tiers, seven drop-in alternatives within the NXP CL/RC family, and practical design notes not consolidated in the manufacturer datasheet alone.
PR5331C3HN-C36051 - 13.56MHz USB NFC Reader IC | NXP
The NXP Semiconductors PR5331C3HN-C36051 is a highly integrated 13.56 MHz contactless NFC reader IC with USB 2.0 full-speed interface and dedicated firmware (C360,51 ROM code) for reader/writer operation, housed in a 40-pin HVQFN exposed-pad package. The part supports ISO/IEC 14443 Type A and B, FeliCa, MIFARE, and NFC Forum tag types, and includes an integrated microcontroller that offloads the host from real-time RF protocol handling. The /C360,51 suffix denotes a specific firmware variant configured for targeted reader applications. It supports 2.5V-3.6V supply on the PVDD rail and draws approximately 0.55 W during continuous RF operation. An NFC (Near Field Communication) reader IC is a contactless transceiver that powers a passive tag via an inductive RF field and demodulates the load-modulated response to exchange data. NFC readers sit at the bottom of the contactless stack: NFC -> contactless smartcard (ISO 14443) -> RFID 13.56 MHz -> short-range wireless -> RF & wireless IC. The PR533 family bridges a USB-equipped host (PC, embedded SBC, point-of-sale terminal) to contactless media such as payment cards, transit tickets, eID, and NFC Forum tags, eliminating the need for a separate protocol stack on the host CPU. Key features include a hardware cryptographic accelerator for MIFARE Classic Crypto1, integrated AFE for antenna matching, support for EMVCo contactless V2.0.1 in PCD mode (per the PR533 datasheet), and USB full-speed with USB 3.0 hub interoperability. Multiple host interfaces (USB, I2C, UART) provide flexibility for systems without an always-on USB host. The exposed thermal pad of the HVQFN package is critical for dissipating RF TX power during continuous polling. Architecturally, the PR5331C3HN combines an 80C51-compatible microcontroller core with a dedicated analog front end, an ISO 14443 / FeliCa RF interface, and a hardware USB 2.0 full-speed PHY. The C360 firmware variant implements the specific command set and tag-type support required by this MPN. Host communication happens over USB (primary), I2C/SPI/UART (secondary), keeping protocol latency off the application processor. Typical applications include USB NFC desktop readers, point-of-sale payment terminals, eID verification kiosks, transit ticketing readers, and industrial RFID read/write stations. The combination of USB bus-powered operation and integrated protocol stack makes it especially suited for plug-and-play reader accessories. When designing with this part, ensure the antenna matching network follows the NXP reference design (typically 50 ohm matched, with EMC filtering). The exposed pad must be soldered to a sufficiently large copper pour (>= 25 mm²) for thermal dissipation, and the USB DP/DM traces require 90 ohm differential routing per USB 2.0 specification. This page synthesizes distributor pricing, drop-in same-package alternatives, and application-specific design guidance not found in the manufacturer datasheet alone.
PR5331C3HN-C36055 - 13.56MHz NFC Reader IC, USB, 40-VFQFN | NXP
The NXP PR5331C3HN/C360:55 is a highly integrated transceiver IC with USB interface for contactless reader/writer communication at 13.56 MHz, housed in a 40-pin VFQFN exposed-pad package (HVQFN-40, 6x6 mm). It supports FeliCa, ISO 14443, and MIFARE contactless protocols and operates from 2.5 V to 3.6 V supply with 5 V USB compliance and 0.55 W dissipation. The device exposes both I2C and UART (HSU) host interfaces alongside USB for flexible system integration in NFC reader, payment, and access-control designs. The /C360:55 suffix designates a specific firmware/bond-out variant in the PR5331 family; an integrated microcontroller runs dedicated ROM code to handle multiple RF protocols offloading the host CPU. The 40-VFQFN package with exposed pad provides efficient thermal dissipation for the RF frontend while keeping PCB footprint compact for embedded reader modules. A contactless NFC/RFID reader IC is a radio-frequency transceiver that energizes and communicates with passive tags or cards using inductive coupling at 13.56 MHz (HF band). It belongs to the hierarchy: contactless reader -> NFC/RFID transceiver -> RF & wireless IC -> semiconductor. The PR5331 family targets ISO/IEC 14443 Type A/B, FeliCa, and NXP's MIFARE classic/Ultralight/DESFire tag families, plus peer-to-peer NFC. Designers typically add an external matching network, EMC filter, and antenna to form a complete reader front-end; the IC handles modulation, demodulation, framing, anti-collision, and crypto acceleration for MIFARE. Key features include support of FeliCa, ISO 14443, and MIFARE protocols on a single die, dual host links (USB plus I2C/UART HSU), low-power standby, integrated RF field detector, and a 40-VFQFN exposed-pad footprint for thermally robust designs. The exposed pad must be soldered to a continuous ground plane to meet EMC and thermal targets. The device is intended for designers who want a turnkey reader front-end rather than a discrete RF design. Technically, the PR5331C3HN integrates an RF analog front-end (transmitter, receiver, AGC), a digital protocol engine, and a microcontroller core running NXP firmware (ROM-resident for the /Cxxx variants). This partitioning removes host-side protocol stack overhead and lets the host treat the IC as a command/response peripheral over USB or HSU. Compared with software stacks using a generic 13.56 MHz front-end, the PR5331 shortens time-to-market for payment terminals, access readers, and NFC peer-to-peer use cases. Typical applications include USB NFC reader dongles, contactless payment terminals, physical access control readers, public transport / transit validators, and NFC peer-to-peer pairing kiosks. The integrated USB makes it especially attractive for PC-tethered reader peripherals and POS accessories. Designers should observe the matching-network reference design and EMC filter from the manufacturer datasheet, place the antenna within 5 cm of the IC, and provide a solid ground pour under the exposed pad. Note that /C360:55 is one firmware/bond-out option; other /Cxxx suffixes exist within the PR5331 family and may not be drop-in substitutes for firmware compatibility. This page consolidates distributor pricing, drop-in alternatives within the PR5331 family, and practical design notes that are not found in the manufacturer short data sheet.
PR5331C3HN-C370E - 13.56MHz USB NFC Reader IC | NXP | 40-HVQFN
The NXP Semiconductors PR5331C3HN-C370E is a highly integrated 13.56 MHz NFC/RFID transceiver with USB interface and embedded microcontroller firmware for contactless reader/writer applications, housed in a 40-pin HVQFN exposed-pad (SOT1449-1) package. Key specifications include 2.5V to 3.6V supply range, integrated ROM firmware supporting FeliCa, ISO 14443, ISO 14443A/B, ISO 18092 (NFCIP-1), MIFARE, and NFC Forum tag types, plus USB 2.0 full-speed and high-speed UART (HSU) host links. The C370E suffix denotes a specific firmware/feature variant locked into on-chip ROM. An NFC/RFID reader IC is a type of contactless transceiver that powers a nearby passive tag via an electromagnetic field at 13.56 MHz, modulates the field to exchange data, and decodes the tag response into a host-usable digital stream. In the broader hierarchy, NFC reader ICs sit under RFID transceivers -> RF ICs -> RF & Wireless semiconductors. NXP's CLRC663, PN5180, and PR5331 family dominate the 13.56 MHz infrastructure-reader segment where ISO 14443 / NFC Forum compliance, reader IC sensitivity, and host connectivity (USB / SPI / I2C / HSU) determine application fit. Key features of the PR5331C3HN-C370E include 13.56 MHz RF operation with a single external antenna, integrated firmware that eliminates external MCU protocol-stack development, USB 2.0 full-speed device interface for plug-and-play host connectivity, HSU (high-speed UART) link as a backup host interface, support for FeliCa / MIFARE Classic / MIFARE DESFire / ISO 14443 / NFC Forum tag types, and embedded contactless protocol handling by an integrated microcontroller. The 40-pin HVQFN EP package with exposed thermal pad enables compact USB-stick form factors and reader modules. The device architecture combines an RF front-end (transmitter, receiver, AGC, and framing logic), a digital protocol engine, an embedded 80C51-class microcontroller with dedicated ROM, and dual host interfaces (USB and HSU). The integrated firmware offloads command-set processing from the host CPU, so the host only exchanges reader-level APDUs over USB or HSU. Power is supplied from the USB VBUS rail at 5 V (regulated internally to 3.3 V) or from an external 2.5–3.6 V supply, with the IC drawing roughly 100–180 mA in active RF transmission depending on antenna matching. Typical applications include USB NFC readers for desktops and POS terminals, contactless smart-card readers for access control and ticketing, NFC peer-to-peer initiator devices, development kits for NFC tag testing, and embedded modules for vending machines, kiosks, and industrial handheld terminals. Its broad protocol coverage makes it well-suited for systems that must read mixed tag populations in retail, transport, and identity ecosystems. When designing with the PR5331C3HN-C370E, pay close attention to antenna matching network design - even a few nH of stray inductance at the TX1/TX2 pins will detune the matching circuit and reduce read range. Use NXP's NFC Cockpit configuration tool to load customer-specific firmware parameters, and ensure the HVQFN EP is soldered to a sufficiently large copper pour for thermal dissipation during continuous RF emission. This page consolidates verified distributor pricing, same-package drop-in alternatives, and engineering design notes that complement the manufacturer datasheet and shorten the bring-up time for new USB NFC reader designs.
QCC3003-0-52MQFN-TR-00-0 Bluetooth 5 Audio SoC | Qualcomm
The Qualcomm QCC3003-0-52MQFN-TR-00-0 is a single-chip, flash-programmable Bluetooth 5 audio system-on-chip in a 52-pin QFN package, with integrated audio processing, Bluetooth connectivity, voice features, and support for one- or two-microphone inputs. It is designed for wireless headsets, headphones, and speakers, combining an audio DSP with on-chip ROM and RAM, audio codecs, battery charging, and external QSPI flash support. The verified source describes 8th-generation Qualcomm cVc noise-cancellation technology and enhanced GAIA functionality for mobile-device communication. A Bluetooth audio SoC integrates wireless connectivity, digital signal processing, audio interfaces, firmware configuration, and power-management functions into one semiconductor. In the product hierarchy, the QCC3003 is a Bluetooth wireless-audio system-on-chip, an audio processor, a wireless-audio IC, and a semiconductor. Its purpose is to reduce the component count required to build compact headset and speaker products while supporting voice pickup, wireless control, and configurable audio behavior. The supplied technical information identifies eight-generation cVc noise cancellation, one- and two-microphone input support, enhanced GAIA integration, external QSPI flash for configuration and voice-related storage, and a flash-programmable platform. The product also uses the QCC300x family software and hardware ecosystem. These features are useful for OEM customization, firmware differentiation, and headset designs that need more audio capability than a basic entry-level Bluetooth audio controller. The 52-pin QFN package is intended for compact surface-mounted consumer-electronics designs. Exact pin names, electrical limits, clock details, current ratings, memory capacities, and codec specifications were not included in the verified data and must be confirmed against the manufacturer documentation before layout or production use. Do not infer pin compatibility solely from the family name; Bluetooth audio SoCs can differ in firmware, peripherals, ball assignments, and application requirements. Typical uses include Bluetooth headsets, wireless headphones, portable speakers, voice-enabled speakers, and compact mobile accessories. In a headset, the integrated DSP and microphone inputs can support voice communication and noise-management functions, while Bluetooth connectivity removes a wired cable between the device and the phone. In a speaker, the same platform can provide configurable audio behavior and wireless control when paired with appropriate firmware and peripheral circuitry. The most important design consideration is validation of the complete hardware and software package. Because the available source identifies the QCC3003 family but does not provide a complete electrical table or pinout, power rails, decoupling, exposed-pad treatment, antenna integration, and required external components must be checked against Qualcomm’s official QCC3003 documentation. Use the audio development kit and tools specified by Qualcomm when developing production firmware. This page consolidates the verified product identity, package information, Bluetooth audio positioning, and source-linked technical context. It also distinguishes confirmed features from parameters that were not supplied, helping engineers evaluate the QCC3003-0-52MQFN-TR-00-0 without treating incomplete distributor descriptions as complete datasheet specifications.
RH1NS200 - LTE NB-IoT Modem Chipset with EAL5+ SE | Renesas
The Renesas Electronics RH1NS200 is an LTE NB-IoT (Narrowband Internet of Things) modem chipset designed to operate seamlessly on the networks of all major Indian telecommunications carriers, delivering 1 uA deep-sleep current consumption and an integrated EAL5+ certified Secure Element (SE) for hardware-level security. An LTE NB-IoT modem chipset is a type of cellular connectivity integrated circuit that implements the 3GPP Narrowband Internet of Things air interface, sitting within the broader hierarchy of wireless connectivity ICs (NB-IoT chipset -> cellular transceiver -> RF/wireless IC -> semiconductor). NB-IoT technology provides deep indoor penetration, massive device density, and multi-year battery life, making it the connectivity backbone for smart utilities and low-power wide-area (LPWA) IoT deployments. Key features of the RH1NS200 include its ultra-low 1 uA deep sleep current, which enables battery-powered smart meters to operate for years on a primary cell; its integrated EAL5+ (Evaluation Assurance Level 5+) Secure Element, which provides certified key storage and cryptographic protection against tampering and cloning; and its carrier interoperability across all major Indian telecom networks. Renesas paired the chipset with the RH1NB200-EVK evaluation board and the RH1NB200 LTE NB-IoT module, which integrates a complete RF front end for quick time-to-market. Technically, the RH1NS200 is a complete modem solution rather than a standalone transceiver: it integrates modem baseband processing, protocol stack support for NB-IoT bands used in India, and hardware security in a single chipset platform. The security architecture is a key differentiator, as many competing NB-IoT solutions require an external secure element chip, adding cost, board area, and a second attack surface. Typical applications include smart electricity, gas, and water metering - a market some estimates place at roughly 250 million units in India over five years - as well as asset tracking, industrial telemetry, smart city infrastructure, and any Make-in-India NB-IoT module build requiring certified security. When designing with the RH1NS200, plan the power budget around the 1 uA deep sleep figure and schedule network attach windows to maximize battery life; detailed electrical and package parameters should be confirmed in the manufacturer datasheet. This page synthesizes verified press and distributor data, evaluation-kit availability, application guidance, and practical design notes not found on any single manufacturer page.
RS9116W-DB00-CC1-B2A - Dual-Band Wi-Fi + BT5 Module | Silicon Labs
The Silicon Labs RS9116W-DB00-CC1-B2A is a dual-band 802.11 a/b/g/n (2.4 GHz and 5 GHz) Wi-Fi plus dual-mode Bluetooth 5 transceiver module in a 155-pin surface-mount LGA package supplied in tray packaging with antenna not included. As a Network Co-Processor (NCP), it offloads the complete wireless, networking, and security stacks from a host MCU, connecting via UART, SPI, or SDIO interfaces. A Wi-Fi module is a self-contained wireless subsystem that integrates the radio transceiver, RF front end, baseband, and protocol stacks on a certified PCB module, sitting within the broader hierarchy of RF transceivers, wireless connectivity ICs, and embedded networking components. Certified modules such as the RS9116W family dramatically shorten regulatory approval cycles because module-level certifications (FCC, IC, ETSI/CE) can be leveraged by the end product. Key features of the RS9116W-DB00-CC1-B2A include dual-band operation covering 2412 MHz to 2484 MHz and 4900 MHz to 5975 MHz, 802.11n high-throughput modes, and Bluetooth 5 dual-mode (BR/EDR and LE) concurrency. The module offers high throughput with power-optimized performance and extended range, making it suitable for battery-sensitive IoT designs. Technically, the RS9116W operates as an NCP: the host MCU sends commands over UART, SPI, or SDIO while the module runs the TCP/IP and security stacks, freeing host flash and RAM. Alternatively, the networking stack can be bypassed for raw-packet operation when the host runs its own stack. Typical applications include industrial gateways, smart meters, connected home hubs, and asset-tracking devices that need robust dual-band Wi-Fi alongside Bluetooth LE provisioning or beaconing. Design consideration: because this variant does not include an antenna, the RF layout requires a well-controlled 50-ohm feed to an external antenna connector or PCB antenna; follow the Silicon Labs reference design for matching network placement. This page synthesizes distributor pricing, drop-in same-family alternatives, and practical design notes not found in the manufacturer datasheet.
RTAX1000SL-CGS624B - 1M-Gate Rad-Tolerant FPGA CCGA-624 | Microchip
The Microchip Technology RTAX1000SL-CGS624B is a radiation-tolerant FPGA delivering 1,000,000 equivalent system gates with 12,096 CLBs and 125,000 ASIC-equivalent gates, housed in a 624-pin ceramic column grid array (CCGA/CGS624) package built on 0.15 um CMOS technology. A radiation-tolerant FPGA is a field-programmable gate array engineered to survive the ionizing radiation environment of space flight, including total ionizing dose (TID) and single-event effects (SEE). Unlike commercial FPGAs, rad-tolerant FPGAs sit at the top of the programmable logic hierarchy (FPGA -> programmable logic IC -> digital IC -> semiconductor) and are qualified for satellite, planetary probe, and launch-vehicle electronics where replacement after deployment is impossible. Key features include the anti-fuse-based RTAX-SL architecture derived from the commercial Axcelerator family, which provides live-at-power-up operation with no configuration device required. The embedded SRAM blocks include built-in FIFO control logic, and the fabric offers segmentable clocks and chip-wide highway routing for large system designs. Speed-grade B devices support system clock rates up to 581 MHz per family datasheets, with a 1.5V core supply. The RTAX-SL fabric integrates embedded SRAM and bus-capable routing in a true single-chip form factor with low power consumption, making it suitable for payloads that must survive launch vibration and multi-year orbital missions. Design migration to RTAX-DSP variants is supported through the same development flow. Typical applications include satellite payload data processing, spacecraft bus control, telemetry and telecommand (TT&C) interfaces, and instrument control in deep-space science missions. A key design consideration: use Microchip Libero SoC with the RTAX-S prototyping methodology (footprint-compatible adaptor board plus EDIF netlist and pinout converter) to validate designs on commercial ProASIC/AX equivalents before committing to flight units. This page synthesizes distributor availability data, same-family drop-in alternatives, and practical radiation-tolerant design notes not consolidated in the manufacturer datasheet.
RTL8192FC - 2T2R 300Mbps WiFi USB Controller | Realtek
The Realtek RTL8192FC is a single-chip IEEE 802.11b/g/n 2T2R WLAN controller with a USB interface, housed in a QFN-32 package. It supports 2.4 GHz operation with dual-transmit dual-receive MIMO architecture delivering up to 300 Mbps PHY throughput under 40 MHz bandwidth, and integrates the MAC, baseband, and RF functions in a single die. A WLAN controller IC is the core of any Wi-Fi radio design: it implements the PHY layer modulation (DSSS/CCK for 802.11b, OFDM for 802.11g/n), the MAC protocol engine, and the RF transceiver front end. Within the network silicon hierarchy, it sits above discrete RF front-end components and below host systems such as dongles, set-top boxes, IP cameras, and embedded boards that communicate over USB 2.0. Key features include 2T2R MIMO for spatial-diversity gain and improved link robustness in multipath environments, 802.11n rates to 300 Mbps at 40 MHz channel width, integrated USB 2.0 host interface for drop-in connectivity to any embedded or x86 host, and single-chip integration that reduces BOM count versus discrete MAC-plus-RF two-chip solutions. The RTL8192FC belongs to Realtek's well-supported RTL8192 family, which shares a common driver stack (Linux rtl8192cu/rtl8192fu-class drivers, Windows WHQL drivers) across PCIe and USB variants, simplifying software reuse across product lines. Integrated LDO options and a compact QFN-32 footprint allow dense module designs such as the AJMRTC FLink 6192EUC, which is built directly on this chip. Typical applications include USB Wi-Fi dongles and adapters, smart TV and set-top-box wireless connectivity, IP cameras and NVR wireless links, IoT gateways, and embedded Linux boards requiring 2.4 GHz 2T2R connectivity over USB. Design consideration: as a 2.4 GHz-only part, the RTL8192FC cannot serve dual-band designs; also, RF layout requires a solid ground plane and 50-ohm impedance control to the antenna match, per standard Realtek reference layouts. This page synthesizes distributor pricing, family drop-in options, and practical design notes not found in the manufacturer datasheet alone.
RTL8201F - 10/100M Ethernet PHYceiver, MII/RMII | Realtek
The Realtek RTL8201F is a single-port, single-chip 10/100M Ethernet PHYceiver that integrates both the physical layer and transceiver functions in a compact 32-pin QFN EP package. It supports 10BASE-T and 100BASE-TX operation, auto-negotiation, auto-MDIX, and provides both MII and RMII interfaces to connect with an external Ethernet MAC. The RTL8201F is specified for 3.3V operation and includes a PECL interface option for 100Base-FX fiber optical transceiver connection. An Ethernet PHYceiver (Physical Layer Transceiver) is the analog/digital mixed-signal interface between the MAC (Media Access Controller) and the physical copper/fiber medium. It performs line coding/decoding, echo/Next cancellation, baseline wander correction, and signal detection. The PHY category sits within the broader networking IC hierarchy: Ethernet PHY -> Network Interface -> Communication IC -> Semiconductor. The RTL8201F integrates both PHY and transceiver functions, eliminating the need for an external transformer-coupled analog front end in many designs. Key features of the RTL8201F include auto MDIX (automatic crossover correction), auto-negotiation for 10/100 Mbps speed and full/half duplex, hardware configuration via strap pins or MDIO/MII management register access, and support for both MII (Media Independent Interface) and RMII (Reduced Media Independent Interface) MAC-side connections. The device supports 25 MHz external crystal or clock input and includes built-in termination resistors for the differential transmit and receive pairs. It implements HP Auto-MDIX for automatic TX/RX pair swap. Technically, the RTL8201F uses mixed-signal processing for adaptive equalization, data recovery, and error correction across CAT5 twisted-pair cable up to 100m. The internal architecture includes a DSP-based echo canceller, AGC, PLL, and MLT-3 encoder/decoder. Power consumption is managed through several low-power states including a power-down mode. The device supports both 3.3V analog and 1.8V or 3.3V digital supplies via internal regulators. Typical applications of the RTL8201F include embedded Ethernet in industrial automation controllers, IoT gateways, IP cameras, smart home hubs, network printers, and consumer networking equipment. It is the standard low-cost PHY used in microcontroller-based designs with built-in Ethernet MAC (such as STM32, ESP32, NXP i.MX RT series) requiring a single-port 10/100 Mbps copper interface. Design considerations: Route the MII/RMII bus with impedance-controlled traces and keep length-matched within the MAC timing budget. Place the 25 MHz crystal within 5mm of the RTL8201F XI/XO pins. Use a 1:1 transformer (e.g., Hanrun HR601680E) on the network side. Decouple AVDD with a 10uF + 0.1uF pair per pin, and DVDD with 0.1uF at each pin. This page synthesizes distributor pricing, drop-in alternatives, and practical PCB design notes for the RTL8201F that are not consolidated on the manufacturer datasheet alone, helping engineers select and implement this PHY with confidence.
RTL8211F - Integrated 10/100/1000M Ethernet Transceiver | Realtek
The Realtek RTL8211F is an integrated 10/100/1000M Ethernet transceiver supporting GMII, MII, and RGMII MAC interfaces. Per Realtek datasheet track ID JATR-8275-15 Rev. 1.18, the device integrates a complete IEEE 802.3-compliant physical layer for 10BASE-T, 100BASE-TX, and 1000BASE-T operation in a single QFN-48 (7x7 mm) package, supplied with 3.3 V, 2.5 V, 1.8 V, and 1.5 V rails (or a single 3.3 V supply via the integrated switching regulator). It supports full-duplex and half-duplex modes, auto-negotiation, auto-MDI/MDIX crossover, and Energy Efficient Ethernet (EEE) per IEEE 802.3az. An Ethernet PHY (physical layer transceiver) is the analog front-end of a wired network interface card or embedded SoC link. The PHY connects the MAC layer in the host processor (typically via GMII/RGMII) to the magnetics and RJ-45 jack on the cable side, performing line coding, link training, echo cancellation, and crosstalk mitigation. PHYs sit below the MAC in the ISO/OSI stack and above the magnetics; modern Gigabit PHYs integrate the DSP, ADC/DAC, and line drivers that would otherwise be discrete. Headline specifications: 10/100/1000 Mbps triple-speed, integrated switching regulator for single-3.3 V supply, hardware-side support for Auto-MDIX, 802.3az EEE, jumbo frame support, and a serial management (MDC/MDIO) interface. The part is widely deployed in routers, set-top boxes, industrial SBCs, and SBC platforms such as the BeagleBone/BeaglePlay. Architecturally, the device combines a DSP-based echo canceller, an adaptive equalizer, and a low-jitter PLL on a single die. QFN-48 with an exposed thermal pad (EP) routes the PHY's switching regulator output to external capacitors, enabling designer-friendly PCB layout while meeting EMI margins. Typical applications include consumer broadband gateways, IPTV/STB, industrial SBCs, USB-to-Ethernet dongles, and embedded Linux platforms (Raspberry Pi CM4 carriers, STM32MP1, NXP i.MX 8M, etc.). For automotive or industrial -40C to +85C operation, the RTL8211FI industrial grade (I) variant is preferred over the commercial RTL8211F. Design tip: the integrated switching regulator requires a well-designed PCB layout for efficiency and low ripple; follow the Realtek reference layout closely, place the buck inductor and bootstrap capacitor as recommended, and provide a solid ground pour beneath the QFN EP. This page synthesizes distributor pricing (LCSC as of 2026-10-15), Realtek official datasheet references, drop-in same-family Realtek alternatives, and two cross-brand drop-in equivalents sourced from web data, plus practical PCB design notes not duplicated on competing distributor product pages.
RTL8221B(I)-VB-CG - 2.5G Ethernet PHY Transceiver | Realtek
The Realtek RTL8221B(I)-VB-CG is a highly integrated 10/100/1000M/2.5G Ethernet PHY transceiver that supports 10BASE-Te, 100BASE-TX, 1000BASE-T, and 2.5GBASE-T operation, fully compliant with the IEEE 802.3 standard and the NBASE-T Alliance PHY specification. The part integrates MACsec (IEEE 802.1AE) hardware encryption for secure enterprise link-layer communication, distinguishing it from non-MACsec 2.5G PHYs in the same family. A 2.5GBASE-T Ethernet PHY (Physical Layer transceiver) is a chip that converts between the digital MAC interface and the analog twisted-pair line, enabling multi-gigabit networking over standard Cat5e cabling. The 2.5GBASE-T PHY tier sits between Gigabit Ethernet (1G) and 5GBASE-T/10GBASE-T in the Ethernet PHY hierarchy, and falls under the broader category of physical layer transceivers -> network interface ICs -> communications ICs. It is a key building block of modern Wi-Fi 6/6E access points, 2.5G switches, and NBASE-T client adapters that reuse installed Cat5e infrastructure. Key features include MACsec 802.1AE encryption/decryption acceleration, EEE (Energy-Efficient Ethernet) per IEEE 802.3az, auto-negotiation across all four supported speeds, and a SERDES-style host interface for connection to MACs, switches, or SoCs. The chip is fabricated in an advanced low-power CMOS process and supports Wake-on-LAN packet detection for managed-power applications. The RTL8221B (I)-VB-CG uses DSP-based echo and near-end crosstalk (NEXT) cancellation to deliver full-duplex 2.5Gbps over four twisted pairs up to 100 m. The MACsec engine operates in 128/256-bit AES-GCM modes and handles insertion/removal of 802.1AE headers without host CPU intervention. Integrated termination resistors, on-chip LDO regulators, and a low-jitter PLL simplify the external BOM. Typical applications include 2.5G NBASE-T switches, Wi-Fi 6/6E access points with multi-gig uplinks, 5G NR FR1 small-cell backhaul, industrial 2.5G EtherCAT/TSN nodes, and gaming motherboards with 2.5G BASE-T LAN. It is also used in SFP-to-RJ45 media converters that need hardware encryption at the PHY boundary. When designing a board with this PHY, match the 100-ohm differential characteristic impedance of the MDI traces to the integrated magnetics module, and keep the host-side SERDES traces under 10 cm with ground-side shielding for clean 2.5G signaling.
RTL8720DN - Dual-Band WiFi/BLE 5.0 MCU SoC | Realtek | IoT
The Realtek RTL8720DN is a dual-band 2.4 GHz / 5 GHz Wi-Fi and Bluetooth Low Energy 5.0 combo wireless SoC built on an ARM Cortex-M4F (KM4) application processor paired with an ARM Cortex-M0 (KM0) system-management core, supplied in a QFN package (sources list both QFN-68 and QFN-48; verify with the manufacturer datasheet before footprint commitment). A wireless SoC of this class integrates a microcontroller, radio transceiver, and network stack on one die, sitting in the product hierarchy: RTL8720DN -> WiFi/BT combo SoC -> wireless microcontroller -> IoT connectivity IC. This removes the need for a separate host MCU plus external radio module, cutting BOM count and board area. Key features include 802.11 a/b/g/n (Wi-Fi 4) dual-band operation with 20 MHz bandwidth, BLE 5.0 with long-range modes, and a shared antenna path that simplifies RF layout. As part of the Realtek Ameba-D family, it is supported by the Ameba Arduino core and can be programmed in Embedded C/C++ and MicroPython, lowering the software barrier for IoT developers. Architecturally, the KM4 core runs user applications and the Wi-Fi/BLE protocol stacks, while the KM0 core handles low-power tasks, secure boot, and peripheral supervision in deep-sleep states. Dual-core partitioning lets designers keep wireless housekeeping off the application core, improving worst-case application latency versus single-core WiFi MCUs. Typical applications are dual-band IoT nodes that must escape the congested 2.4 GHz band, smart-home hubs, wireless sensor networks, and over-the-air-update endpoints where 5 GHz provides cleaner spectrum and higher throughput than ESP8266-class single-band parts. Design consideration: the RTL8720DN shares one antenna path between Wi-Fi and Bluetooth, so time-division coexistence is managed internally in software; RF front-end matching and antenna placement follow the reference design from Seeed Studio's BW16 module documentation. This page synthesizes distributor pricing, cross-reference guidance, and practical design notes not found in the manufacturer datasheet. Prices as of 2026-10-19.
RTL8852BE - WiFi 6 2x2 1201Mbps + BT 5.2 Combo | Realtek
The Realtek RTL8852BE is a 2x2 dual-band Wi-Fi 6 (802.11ax) wireless network interface controller with integrated Bluetooth 5.2, delivering up to 1201 Mbps on the 5 GHz band and 574 Mbps on the 2.4 GHz band through a PCI Express host interface with an integrated Bluetooth Smart Ready USB interface controller. A wireless NIC (network interface controller) is the semiconductor device that bridges a host computing system to a radio network. Within the power-management and connectivity hierarchy of a modern PC or embedded platform, the Wi-Fi combo chip sits alongside the application processor and chipset, terminating the IEEE 802.11 PHY/MAC layers and the Bluetooth baseband in a single solution. Combo NICs such as the RTL8852BE dominate laptop, mini PC, and edge-AI designs because they integrate both radios, reducing BOM cost and board area. Key features include 2-stream 802.11ax with Wave-2 MU-MIMO (Multi-User Multiple-Input Multiple-Output), OFDMA, dual-band 2.4 GHz and 5 GHz operation, and Bluetooth 5.2 backward-compatible with Bluetooth 2.1+EDR. Waveshare documentation for the LC-RTL8852BE Mini-PCIe module confirms the 574 Mbps (2.4 GHz) and 1200 Mbps (5 GHz) PHY rates, while Seeed Studio product documentation confirms the 1201 Mbps aggregate rate and M.2 Type 2230 form-factor implementations. Technically, the RTL8852BE implements a 2T2R (two transmit, two receive) radio architecture with MIMO-OFDM per IEEE 802.11ax/ac/a/b/g/n, targeting low power consumption and low latency. Realtek positions it as a high-performance Wi-Fi 6 solution for superior speed and wireless reliability in cost-sensitive platforms. Typical applications include laptops and mini PCs, NVIDIA Jetson Orin edge-AI boxes, robotics platforms, industrial IoT gateways, and consumer electronics requiring certified dual-band Wi-Fi 6 with Bluetooth 5.2 coexistence. For design-in, verify the host interface variant: the bare RTL8852BE-CG uses PCIe for WLAN and USB for Bluetooth, whereas module implementations ship in M.2 2230 or Mini-PCIe form factors with integrated antennas and regulatory certifications. Driver support covers Windows 10/11 64-bit, Linux, and Chrome OS. This page synthesizes distributor and manufacturer module documentation, drop-in alternative analysis, and practical design notes not found in any single datasheet, providing unique comparison value for engineers selecting Wi-Fi 6 combo silicon.