ИС интерфейса USB
Товары (11)
MAX14819AATM+T - Dual IO-Link Master Transceiver | Analog Devices
The Analog Devices (formerly Maxim Integrated) MAX14819AATM+T is a low-power, dual-channel IO-Link master transceiver with integrated sensor/actuator power-supply controllers, housed in a 48-pin LFCSP (TQFN) 7x7 mm package. The device integrates two IO-Link physical layers, two L+ supply controllers, two auxiliary digital input channels, and framers/L+ drivers compliant with IO-Link v1.1.3, IEC 61131-2, and IEC 61131-9 SDCI standards. An IO-Link master transceiver is a type of industrial communication controller that bridges a higher-level fieldbus (e.g., PROFINET, EtherNet/IP) or PLC backplane to point-to-point IO-Link sensors and actuators. Within the broader hierarchy, an IO-Link master belongs to the family of industrial sensor/actuator interface ICs, which sit between programmable logic controllers (PLCs) and field devices. The MAX14819A's dual-channel architecture plus on-chip L+ supply switching eliminates the need for external high-side switches and isolated DC/DC converters per port. Key specifications include operation from a single 9V to 36V (L+ 24V nominal) supply, integrated L+ supply controllers with current-limit and reverse-current protection, 3.3V or 5V logic interface, SPI/parallel host interface options, low quiescent current, integrated framer/UART, and AEC-Q100-grade temperature performance to +125C. Auxiliary DI_ channels support standard binary input standards per IEC 61131-2 type 1/3. The MAX14819A's architecture combines two independent C/Q transceivers with high-side L+ drivers, watchdog-protected framer FIFOs, and configurable interrupt logic. Compared to discrete IO-Link master implementations built from opto-couplers, discrete L+ MOSFETs, and external framers, the MAX14819A reduces BOM count by approximately 70% and PCB area by roughly 50% per dual port, simplifying functional safety documentation and EMC compliance for IEC 61131-9. Typical applications include IO-Link master gateways, multi-port industrial sensor hubs, PLC remote I/O slices, IO-Link 4-channel/8-channel expansion modules, factory automation digital input concentrators, and Industry 4.0 retrofit I/O modules. Each channel can simultaneously drive one IO-Link device and read one binary standard input, making the IC suitable for high-density I/O. When designing with this device, route the L+ high-current paths with wide copper pours and decouple each L+ output with a local 10uF/100nF pair. Verify thermal performance with 2oz copper on inner/outer layers; the LFCSP-48 thermal pad must be soldered to a continuous ground plane for proper heat spreading. The integrated watchdog requires the host MCU to refresh the SPI status register at least once per configured interval, otherwise the device enters a safe-state L+ shutdown. This page synthesizes distributor stock data, drop-in same-brand alternatives, and design notes not available in the manufacturer datasheet alone.
MAX14882AWE+ - 5kVRMS Isolated CAN Transceiver, 16-SOIC | Analog Devices
The Analog Devices MAX14882AWE+ is an isolated high-speed CAN transceiver providing 5kVRMS (60s) galvanic isolation between the CAN-protocol controller-side (TDX, RXD) and the physical CAN bus wires (CANH, CANL), housed in a 16-pin Wide SOIC (W SOIC) package with 8mm of creepage and clearance. Key parameters include: ±25V receiver input common-mode range exceeding the ISO 11898 requirement of -2V to +7V, ±54V fault tolerance on CANH/CANL bus pins, and ±15kV ESD protection (Human Body Model) on bus-side GNDB. An isolated CAN transceiver is a physical-layer interface device that integrates galvanic isolation directly between the digital logic side and the bus side of a CAN (Controller Area Network) controller, replacing discrete optocouplers or digital isolators plus a separate CAN transceiver. The category hierarchy is: CAN transceiver -> CAN interface IC -> interface IC -> power management/isolation IC -> semiconductor. The MAX14882 reduces BOM count, simplifies PCB layout, and ensures deterministic propagation delay across the isolation barrier compared with discrete isolation + transceiver solutions. Key differentiating features include a wide 3.0V to 5.5V supply on the controller-side (VDDA) and 4.5V to 5.5V on the bus-side (VDDB), an integrated transformer driver and LDO that can power the bus-side supply from a single external transformer, and an auxiliary LDO capable of 130mA internal plus external load current up to 300mA total. Additional protection features include hot-plug detection, common-mode stabilization via POL pin, and the ability to recover from cross-wired bus cables through polarity inversion via the POL pin. The MAX14882 uses Analog Devices' proprietary capacitive isolation technology to achieve up to 5000VRMS isolation for 60 seconds while supporting data rates up to 1Mbps per ISO 11898. The integrated transformer driver eliminates the need for a dedicated isolated DC-DC converter, saving both PCB area and cost in space-constrained industrial designs. Typical applications include industrial CAN bus networks, factory automation systems, building automation (BACnet), photovoltaic inverter communications, electric vehicle charging stations, and any application where high-voltage ground potential differences exist between CAN nodes. When designing with this device, ensure the external transformer meets the 5kVRMS isolation rating and that creepage/clearance distances comply with end-application safety standards (IEC 61800, IEC 60664). Decoupling capacitors must be placed close to both VDDA and VDDB pins to minimize switching noise on the bus-side supply. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet. All comparison data was sourced from real-time distributor listings on 2026-10-09.
MAX3232EIPWG4 - Dual RS-232 Transceiver 250kbps | TI
The Texas Instruments MAX3232EIPWG4 is a 3-V to 5.5-V multichannel RS-232 line driver/receiver with dual drivers and dual receivers, 250 kbps data rate, and +/-15-kV IEC ESD protection, housed in a 16-pin TSSOP (PW) package rated from -40C to +85C. An RS-232 line driver/receiver is an interface transceiver that converts logic-level UART signals (TTL/CMOS, 0 V to VCC) into the higher-voltage RS-232 signal levels defined by TIA/EIA-232-F (+/-5 V minimum) and back again. It sits in the physical layer of the serial-communication hierarchy - below protocols such as UART framing - and within the broader family of line drivers, bus transceivers, and interface ICs. Because RS-232 levels exceed the supply rail, these devices integrate charge-pump voltage converters that generate the required positive and negative rails from a single low-voltage supply. Key features of the MAX3232E include operation from a single 3.0 V to 5.5 V supply, a proprietary low-dropout transmitter output stage delivering true RS-232 performance from 3.3 V and 5 V rails, dual charge pumps requiring only four small 0.1 uF external capacitors, and 250 kbps minimum data rate. ESD protection is rated at +/-15 kV (IEC 61000-4-2 air-gap), +/-8 kV (IEC 61000-4-2 contact discharge), and +/-15 kV human-body model on the RS-232 bus pins. Architecturally, the device uses two charge-pump stages (voltage doubler and inverter) with external flying and reservoir capacitors to synthesize approximately +/-5.5 V transmitter supplies from the VCC rail. The transmitter outputs meet or exceed TIA/EIA-232-F and ITU V.28 requirements and are protected against unlimited +/-15 V simultaneous shorts, while receivers keep the input threshold compatible with legacy 5 V logic. Typical applications include industrial process-control serial links, point-of-sale terminals and barcode scanners, battery-powered instrumentation using the low 0.3 mA typical supply current, and legacy DB9 COM-port interfacing for microcontrollers such as MSP430 and STM32. When designing, use 0.1 uF charge-pump capacitors placed within 10 mm of the device, and remember the receivers remain active even when transmitters are tri-stated. This page synthesizes distributor pricing, drop-in alternatives, pinout data, and practical design notes not found in the manufacturer datasheet, as of 2026-09-11.
PCA8574D - 8-Bit I2C I/O Expander 400kHz SO16 | NXP
The NXP Semiconductors PCA8574D is a remote 8-bit I/O expander for the I2C-bus with interrupt output, housed in a 16-pin SO16 (SOIC) package. It operates from a 2.3 V to 5.5 V supply, supports a 400 kHz fast-mode I2C interface, and provides eight quasi-bidirectional GPIO ports with three hardware address pins (A0-A2) allowing up to eight devices on one bus. An I/O expander is a peripheral IC that increases the number of general-purpose input/output pins available to a microcontroller over a serial bus. In the power-management and interface hierarchy, the PCA8574D sits between the host MCU and external loads or switches: it belongs to the I2C GPIO expander family, which itself is part of the broader interface IC and remote peripheral category. Expanders save PCB traces, connector pins, and MCU pin budgets in pin-constrained designs. Key features include quasi-bidirectional I/O ports that can be independently assigned as inputs or outputs without a direction register, a latched interrupt output (INT) that flags any input change, totem-pole output capability via the open-drain INT pin, and direct LED driving with 25 mA sink capability per the datasheet family description. The three hardware address pins allow eight PCA8574 devices, or eight each of PCA8574 and PCA8574A, on the same I2C bus - up to 128 I/Os total. Architecturally, the PCA8574D uses a simple register-less command structure: the last written byte defines the port state, and a read returns port pin levels. Power-on reset initializes all ports high (quasi-bidirectional input mode), enabling simple push-button and key-matrix reads without software initialization. Typical applications include keypads and push-button interfaces, LED and backplane status indication, LCD bias and control lines in instrumentation, system monitoring for chassis and rack cards, and spare-I/O expansion in industrial controllers. Design tip: because quasi-bidirectional outputs source only a weak current (100 uA class), drive LEDs and relays by sinking current, and add pull-ups where input levels must be defined. Note: NXP lists the PCA8574D as End of Life. This page adds drop-in replacements, pricing tiers, and design notes beyond the manufacturer datasheet.
SN65LVDT100DGKR - 2Gbps LVDS Repeater/Translator | Texas Instruments
The Texas Instruments SN65LVDT100DGKR is a 2-Gbps LVDS, LVPECL and CML to LVDS differential repeater/translator housed in an 8-pin VSSOP (DGK) package, rated for operation from -40C to +85C. It accepts LVDS, PECL or CML input signals at signaling rates up to 2 Gbps and repeats them as LVDS output levels on a 3.3-V supply. A differential repeater/translator is an interface IC that regenerates high-speed differential signals degraded by long transmission lines, connectors or backplanes. Within the signal-chain hierarchy, it sits between physical transceivers and their serializers or receivers: the device receives a differential waveform, squares its edges, and re-drives it with clean LVDS levels, extending the achievable link distance beyond what a plain transceiver can reach. Key features include a 2-Gbps maximum signaling rate, low total jitter (less than 65 ps per the device overview), maximum 100-ps part-to-part skew, and an integrated 110-ohm differential line-termination resistor. The on-chip termination reduces board space, component count and stub length compared with external resistor networks. The receiver input threshold hysteresis further improves noise immunity on marginal differential links. The architecture combines a high-speed differential receiver with an LVDS driver connected as a repeater. TI positions the SN65LVDT100 as a low-power alternative for the MC100EP16, while adding signal reconditioning. The integrated 7-V protected output structure tolerates hot-swap-style line conditions, and the wide input-format acceptance (LVDS/LVPECL/CML) removes the need for level-shifting front ends in mixed-logic designs. Typical applications include LVDS LCD panel links needing extra cable reach (as discussed in TI's E2E interface forum for 5-m cable runs), backplane and rack-to-rack differential clock or data distribution, and generic 2-Gbps signal reconditioning in telecommunications, industrial imaging and test equipment. When designing with this device, keep the 110-ohm integrated termination in mind when matching it to cables or boards whose characteristic impedance differs significantly from 100 ohms, and minimize stub length by placing the part directly at the connector. This page adds distributor pricing context, verified drop-in alternatives, and practical design notes not found in the manufacturer datasheet, with pricing references marked as of 2026-10-19.
STUSB4531BJR - Standalone USB PD Sink Controller | ST
The STMicroelectronics STUSB4531BJR is a standalone USB Type-C and USB Power Delivery sink controller that negotiates up to five configurable Power Data Objects (PDOs) without any software support, housed in a 16-pin CSP (chip-scale package) rated for VBUS up to 23 V and operating from -40C to +105C. It supports dead battery mode, allowing battery-powered systems to charge from any battery state of charge, including a fully depleted battery (SOC = 0%). A USB PD sink controller is the device-side counterpart in a USB Type-C power negotiation: it communicates with a source (charger, dock, or power adapter) over the CC line using the USB PD protocol to agree on a voltage and current contract. Within the power-management hierarchy, it sits between the USB-C receptacle and the system power path, upstream of DC-DC converters and battery chargers, and is a key building block of modern USB-C power interface ICs. Key features include fully standalone autorun operation with a default PDO configuration stored in internal non-volatile memory, proprietary negotiation algorithms that secure a power contract without a host MCU, dead battery operation powered directly from the VBUS receptacle pins, and a wide 23 V VBUS tolerance that removes the need for external front-end protection in many designs. The STUSB4531 implements its negotiation state machines in dedicated hardware, so it continues operating even when the application processor is asleep or unpowered. The hybrid mode allows an application MCU to monitor or adjust the negotiation, giving designers both autonomy and flexibility. Typical applications include USB-C powered accessories, power banks, portable and wearable devices, battery-powered industrial sensors, and any sink-side system that must charge reliably from a fully depleted battery. Design consideration: because the device is powered from VBUS receptacle pins, ensure the CC line ESD and VBUS discharge timing follow the reference design layout for robust hot-plug behavior. This page adds value beyond the ST datasheet by synthesizing distributor pricing context, same-family drop-in alternatives, and practical design notes in one place.
TCAN1473A-Q1 - SIC CAN FD Transceiver 8Mbps | Texas Instruments
The Texas Instruments TCAN1473A-Q1 is an automotive-grade, high-speed CAN transceiver meeting the physical layer requirements of ISO 11898-2:2024 including Signal Improvement Capability (SIC). It supports classical CAN and CAN FD data rates up to 8 Mbps in a 14-pin VSON (4.5x3 mm) DMT package. A CAN transceiver is the physical-layer interface between a CAN protocol controller and the twisted-pair bus, converting controller logic into differential signals and vice versa while providing drive strength, receiver thresholding, and fault protection. Within the interface IC hierarchy, the TCAN1473A-Q1 sits alongside LIN and FlexRay transceivers in automotive networking systems. Key features include SIC functionality, which actively shapes bus signals to reduce ringing at dominant-to-recessive edges, lowering electromagnetic emissions and enabling 2 Mbps, 5 Mbps, or 8 Mbps operation in large networks with unterminated stubs. The device integrates a low-power Sleep mode, an SWE timer that safely transitions to Sleep after tINACTIVE inactivity in Standby mode, and INH and WAKE pins for system power control. Protection includes thermal shutdown and bus fault tolerance, with AEC-Q100 qualification. According to the TI datasheet, the TCAN1473A-Q1 is pin compatible with classical CAN FD transceivers such as TCAN1043A-Q1, TCAN1043-Q1, and TCAN1043N-Q1, simplifying upgrades of existing designs to SIC without PCB changes. Typical applications include body electronics and lighting, automotive gateways, ADAS domains, infotainment and cluster, hybrid/electric powertrain systems, e-bikes, and industrial transportation. Design consideration: optimize bus termination and common-mode choke placement; SIC improves margin on long stubs, but proper PCB layout and grounding remain essential for best EMC performance.
TJA1085GHN/0Z - FlexRay Active Star Coupler 4-Branch | NXP
The NXP Semiconductors TJA1085GHN/0Z is a FlexRay active star coupler that connects up to 4 branches of a FlexRay vehicle network, housed in a 44-pin HVQFN (9x9 mm) package. It is compliant with the FlexRay electrical physical layer specification V3.0.1 and ISO 17458-4, providing the signal regeneration and galvanic branch isolation required in fault-tolerant automotive x-by-wire and advanced driver assistance backbone networks. An active star coupler is a network topology device that receives signals on one branch, regenerates them, and retransmits them on the remaining branches. Unlike passive coupling, active star topology means a short circuit or fault on one branch does not disable the entire FlexRay bus, because the coupler electrically decouples each branch. In the automotive in-vehicle networking hierarchy, the TJA1085G sits at the physical-layer level above simple linear bus transceivers, serving as the backbone node of safety-critical, time-triggered communication systems. Key features include support for 4 FlexRay branches with TRXD0/TRXD1 receive interfaces that allow several TJA1085G devices to be cascaded for networks requiring more branches, a dedicated Communication Controller (CC) interface for direct attachment to the FlexRay communication controller, and full compliance with FlexRay V3.0.1/ISO 17458-4 timing and electrical requirements. The HVQFN-44 package with its exposed pad provides low inductance and good thermal performance for the sustained drive currents needed to power four actively driven branches. Architecturally, the device integrates receiver, driver, and supervision logic per branch, detecting branch faults and isolating defective stubs so the healthy portion of the network keeps operating. Because FlexRay is a time-triggered protocol with deterministic 10 Mbit/s communication, the coupler's loop-through delay and signal symmetry directly affect the network's static segment timing budget, which the TJA1085G meets within the V3.0.1 specification limits. Typical applications include chassis-domain FlexRay backbones in premium vehicles, x-by-wire systems (steer-by-wire, brake-by-wire), advanced driver assistance sensor fusion rings, and gateway modules that aggregate multiple FlexRay branches. Design consideration: provide a low-impedance ground path via the exposed die pad and observe branch-wiring stub length limits per ISO 17458-4 to preserve signal integrity at 10 Mbit/s. This page adds value beyond the manufacturer datasheet by consolidating distributor pricing, availability, package data, and application guidance in one AI-optimizable reference.
TJA1086GHN/0Z - FlexRay Active Star Coupler 2 Branch | NXP
The NXP Semiconductors TJA1086GHN/0Z is a FlexRay active star coupler that connects two branches of a FlexRay network, housed in a 44-pin HVQFN (9 x 9 mm) package. It is compliant with the FlexRay electrical physical layer specification V3.0.1 / ISO 17458-4 and supports data rates up to 10 Mbit/s, the maximum rate defined by the FlexRay communications system. An active star coupler is a network topology element used in automotive and industrial in-vehicle networks. Unlike a passive star, which simply splits the bus signal, an active star receives a frame on one branch, regenerates it, and re-transmits it to all other branches. This regeneration decouples electrical faults on one branch from the rest of the network, improving fault containment, signal integrity, and overall network robustness. In the hierarchy of in-vehicle networking ICs, the TJA1086G sits above simple bus line transceivers (such as FlexRay node transceivers) and belongs to the class of network interface and communication ICs. Key features include full-duplex point-to-point branch links, TRXD0/TRXD1 receiver interfaces that allow several TJA1085G and TJA1086G devices to be cascaded to increase the number of branches in the network, and branch-related fault handling so a short or low-ohmic fault on one branch does not take down the whole star. The 44-HVQFN package with an exposed thermal pad provides low inductance and good thermal dissipation for the 9 x 9 mm footprint. Technically, the device implements the analog front end and control logic needed to drive and receive FlexRay differential signals on each branch at 10 Mbit/s, with wake-up and sleep handling compatible with the FlexRay electrical physical layer. The /0Z ordering suffix identifies the standard grade and tape-and-reel delivery of this silicon. Moisture sensitivity level is MSL 1 with a 260 C peak reflow rating, simplifying SMT assembly. Typical applications include chassis and body-domain FlexRay stars in passenger cars, gateway nodes aggregating multiple FlexRay branches, and safety-critical backbone networks where deterministic 10 Mbit/s communication with dual-channel redundancy is required. When designing with this part, route each FlexRay branch as a matched differential pair and observe the bus termination guidelines of the FlexRay electrical physical layer specification; verify supply and enable pin configurations against the latest NXP datasheet before layout sign-off. This page synthesizes distributor pricing references, drop-in alternative analysis, and practical design notes not found in the manufacturer datasheet alone.
TUSB8041IPAPQ1 - 4-Port USB 3.0 Hub AEC-Q100 | Texas Instruments
The Texas Instruments TUSB8041IPAPQ1 is an automotive-grade four-port SuperSpeed USB 3.0 hub controller delivering 5-Gbps data rates on the upstream port and SuperSpeed, high-speed, full-speed, or low-speed connections on the four downstream ports, housed in a 64-pin HTQFP (PAP, 10x10 mm) package with exposed pad and qualified to AEC-Q100 for automotive applications. A USB hub controller is a dedicated interface IC that fans a single USB upstream connection out to multiple downstream ports while managing enumeration, power distribution, battery-charging handshakes, and protocol translation between USB 3.0 (SuperSpeed) and USB 2.0 (high/full/low speed) device populations. Hub controllers sit within the broader USB interface IC family inside the system I/O hierarchy of a compute module, head unit, or docking platform. Key features include simultaneous SuperSpeed and high-speed/full-speed operation on the upstream port, per-port USB 2.0/3.0 downstream connectivity, dual supply rails of 1.1V and 3.3V, and flexible configuration. Configuration is possible via pin straps, OTP ROM, an I2C EEPROM, or an I2C/SMBus slave interface for custom PID, VID, and port/PHY settings, with GPIO available for status and control. The device uses TI hub controller architecture that maintains 5-Gbps SuperSpeed signaling integrity while supporting battery charging strap options. Because the USB 3.0 link is handled natively, downstream traffic between mixed-speed devices is scheduled efficiently without bottlenecking SuperSpeed devices on a USB 2.0 path. Typical applications include automotive infotainment head units and telematics modules, industrial PCs and HMI panels, and docking stations or self-powered desktop hubs. The AEC-Q100 qualification makes it particularly suited to vehicle environments with wide temperature and load-dump conditions. Design consideration: supply sequencing and the 24-MHz reference clock layout dominate success with SuperSpeed hubs; keep crystal traces short and follow the TI reference design for the PAP package thermal pad grounding. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
USB2514BI-AEZG-TR - 4-Port USB 2.0 Hub Controller | Microchip
The Microchip Technology USB2514BI-AEZG-TR is a 4-port USB 2.0 Hi-Speed hub controller with 480 Mbps throughput, a 3.3 V supply, and an integrated Multi Transaction Translator (MTT), housed in a 36-pin QFN (6x6 mm) package with exposed pad. It belongs to the Microchip USB251xB/xBi family of low-power, configurable hub controller ICs for embedded USB solutions. A USB hub controller is an interface IC that fans out a single upstream USB port into multiple downstream ports, handling enumeration, transaction translation between USB 2.0 Hi-Speed (480 Mbps) and Full-/Low-Speed (12/1.5 Mbps) devices, and power management for each port. Within the system hierarchy, it sits in the USB protocol layer between a host controller and the downstream peripherals, making it a critical building block in embedded USB solutions, docking stations, and instrumentation front ends. Key features include MultiTRAK technology, which assigns an independent transaction translator to every downstream port so mixed-speed devices do not block each other; I2C/SMBus and strapping-pin configuration options; industrial temperature support from -40C to +85C on the BI variant; and integrated battery-charging support on family members. Flexible OEM configuration via an external EEPROM or SMBus allows custom VID/PID, string descriptors, and port mapping without firmware development. Architecturally, the device leverages Microchip MultiTRAK technology for industry-leading data throughput in mixed-speed USB environments, and per Microchip documentation the family members are pin-compatible direct drop-in replacements for one another, using the same PCB components. The 36-QFN exposed-pad package supports good thermal and ground integrity for the 480 Mbps PHY. Typical applications include industrial USB ports on factory equipment and PLCs, medical instrument and test-equipment front panels, PC peripherals and docking hardware, and embedded host expansion in automotive-adjacent industrial systems that need robust USB connectivity. Design consideration: use the industrial-grade BI variant only if the full -40C to +85C range is required; the commercial B variant may reduce cost where 0C to 70C suffices, and both are pin-compatible drop-ins. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.