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ADM3067EBRMZ-RL7 - 50Mbps RS-485 Transceiver | Analog Devices
The ADM3067EBRMZ-RL7 is a full-duplex RS-485 transceiver from Analog Devices, designed for high-speed industrial communication networks. It operates from a 3.0V to 5.5V supply and supports data rates up to 50 Mbps, making it suitable for PROFIBUS and other high-speed fieldbus applications. The device features ±12 kV IEC ESD protection on the bus pins, ensuring robust operation in harsh environments. It is available in a 10-lead MSOP package, offering a compact solution for space-constrained designs. RS-485 transceivers are essential components in industrial automation, building management, and instrumentation systems, enabling reliable differential data transmission over long cable runs. They convert TTL/CMOS logic levels to balanced differential signals, providing immunity to common-mode noise and allowing multi-drop network topologies. The ADM3067E family includes both half-duplex and full-duplex models, with the ADM3067E being a full-duplex variant that supports simultaneous transmit and receive operations. Key features of the ADM3067EBRMZ-RL7 include a wide supply voltage range of 3.0V to 5.5V, a high-speed data rate of 50 Mbps, and full hot swap support for glitch-free power-up and power-down. The device also offers full receiver short-circuit, open-circuit, and bus idle fail-safe, ensuring predictable output states under fault conditions. The extended temperature range of -40°C to +125°C makes it suitable for industrial environments. From a technical perspective, the ADM3067E utilizes a robust driver and receiver architecture that maintains TIA/EIA RS-485 compliance over the full supply range. The receiver features a wide common-mode input range and high input impedance, allowing up to 256 nodes on a single bus. The driver provides high output current capability, enabling long cable lengths at high data rates. The device also includes thermal shutdown and current limiting protection to prevent damage under fault conditions. Typical applications include industrial automation, building automation, HVAC systems, and motor control. The high-speed capability makes it ideal for PROFIBUS DP networks, while the ESD protection ensures reliability in electrically noisy environments. The compact MSOP package is well-suited for space-constrained PCBs. When designing with this device, it is important to properly terminate the bus with characteristic impedance resistors and to use appropriate bias resistors to ensure fail-safe operation. The hot swap feature simplifies live insertion, but care should be taken to limit inrush current.
ADM3068EBRMZ - 50Mbps RS-485 Transceiver | Analog Devices
The ADM3068EBRMZ is a high-speed, IEC ESD protected RS-485 transceiver from Analog Devices, offering data rates up to 50 Mbps and a wide operating supply range of 3.0 V to 5.5 V. It is housed in a compact 8-lead MSOP package, making it suitable for space-constrained industrial and instrumentation applications. The device features a 1/1 driver/receiver configuration supporting full or half duplex communication, with a VIO logic supply option (1.62 V to 5.5 V) for interfacing with low-voltage logic. RS-485 is a robust differential serial communication standard used in industrial networks, building automation, and motor control systems. It enables long-distance data transmission (up to 1200 meters) and multi-drop networks with up to 32 unit loads. The ADM3068E family integrates protection features such as IEC 61000-4-2 ESD protection (≥ ±12 kV contact discharge) on the bus pins, ensuring reliability in harsh environments. Key features include a 50 Mbps data rate for high-throughput applications, a wide supply range accommodating both 3.3 V and 5 V systems, and a VIO pin for seamless logic-level translation. The device also offers thermal shutdown and short-circuit protection, enhancing system robustness. Its low quiescent current and shutdown mode reduce power consumption in battery-powered or energy-efficient designs. Technically, the ADM3068E uses a differential bus architecture with fail-safe receiver inputs that default to a high state when the bus is open, shorted, or terminated. This ensures predictable behavior in fault conditions. The transceiver is fully compliant with TIA/EIA RS-485 standards, guaranteeing interoperability with other compliant devices. Typical applications include industrial automation, HVAC systems, security networks, and remote sensor data acquisition. The high data rate supports real-time control and high-resolution data streaming, while the ESD protection ensures long-term reliability in electrically noisy environments. When designing with the ADM3068EBRMZ, proper termination resistors (typically 120 Ω) at both ends of the bus are essential to minimize reflections. Additionally, the VIO pin should be connected to the logic supply voltage to ensure correct signal levels. The device's small MSOP package requires careful PCB layout to minimize parasitic inductance and maintain signal integrity.
ADM3068EBRMZ-RL7 - 50Mbps RS-485 Transceiver | Analog Devices
The ADM3068EBRMZ-RL7 is a full-duplex RS-485 transceiver from Analog Devices, designed for high-speed industrial communication networks. It operates from a 3.0 V to 5.5 V supply and supports data rates up to 50 Mbps, making it suitable for PROFIBUS, BACnet, and other fieldbus applications. The device features ±12 kV IEC 61000-4-2 ESD protection on the bus pins, ensuring robust operation in harsh environments. It is available in a 14-lead SOIC_N package, which is pin-compatible with the standard RS-485 footprint. RS-485 is a differential signaling standard that enables long-distance, multi-drop communication over twisted-pair cables. It is widely used in industrial automation, building automation, and instrumentation systems where noise immunity and cable lengths up to 1200 meters are required. The ADM3068E family integrates a driver and receiver, providing a complete interface between a UART and the RS-485 bus. Key features include a wide supply range, high-speed operation, and robust ESD protection. The device also offers a logic supply pin (VIO) that allows direct interfacing with 1.62 V to 5.5 V logic levels, simplifying connection to low-voltage microcontrollers. The receiver has a true fail-safe feature that guarantees a logic-high output when the bus is open, shorted, or idle, preventing false data. The ADM3068E uses a standard CMOS process and incorporates thermal shutdown and short-circuit protection on the driver outputs. The differential outputs are designed to meet TIA/EIA RS-485 specifications, with a typical output voltage of ±1.5 V. The device consumes low quiescent current, making it suitable for power-sensitive applications. Typical applications include industrial control systems, building automation, HVAC controllers, and security systems. The high data rate supports real-time control and data acquisition, while the ESD protection ensures reliability in electrically noisy environments. When designing with this device, ensure proper termination (120 Ω) at both ends of the bus to minimize reflections. The VIO pin should be connected to the logic supply voltage to match the microcontroller's I/O levels. Bypass capacitors (0.1 µF) should be placed close to the VCC and VIO pins.
ADUM141D1BRWZ-RL7 - Quad Digital Isolator 150Mbps | Analog Devices
The ADUM141D1BRWZ-RL7 is a quad-channel digital isolator from Analog Devices, based on iCoupler technology. It combines high-speed CMOS and monolithic air core transformer technology to provide superior isolation performance compared to optocouplers and other integrated couplers. This device offers 3.75 kV RMS isolation, a data rate of 150 Mbps, and a common-mode transient immunity (CMTI) of 75 kV/µs. It is available in a 16-pin SOIC-W (wide body) package, suitable for surface mount assembly. A digital isolator is a component that provides electrical isolation between two circuits while allowing digital signals to pass across the isolation barrier. It is essential in applications where ground potential differences, noise, or safety requirements demand galvanic isolation. Digital isolators are part of the broader category of interface ICs, which manage signal integrity and communication between different parts of a system. They are commonly used in industrial automation, medical equipment, and communication systems. Key features of the ADUM141D1BRWZ-RL7 include its 3:1 channel configuration (three forward channels and one reverse channel), unidirectional data flow, and support for supply voltages from 1.7V to 5.5V on both sides. The device operates over a temperature range of -40°C to +125°C, making it suitable for harsh environments. It also features fail-safe outputs that transition to a predefined state when input power is absent, ensuring predictable system behavior. Technically, the ADUM141D1BRWZ-RL7 uses iCoupler technology, which employs microscopic transformers to transfer data across the isolation barrier. This approach offers advantages such as higher data rates, lower power consumption, and better reliability compared to optocouplers. The device is designed to meet stringent isolation standards, with a working voltage of 3.75 kV RMS and a CMTI of 75 kV/µs, ensuring robust performance in noisy industrial environments. Typical applications include general-purpose multichannel isolation, SPI/data converter isolation, and industrial field bus isolation. The device is also suitable for medical equipment where patient safety requires galvanic isolation. Its high data rate and low propagation delay make it ideal for high-speed communication interfaces. When designing with this device, ensure proper PCB layout to maintain isolation spacing and minimize parasitic capacitance. The supply pins should be decoupled with 0.1 µF capacitors placed close to the pins. Also, consider the fail-safe output behavior when input power is lost, as it may affect system state.
ADUM141E1WBRQZ - 4-Ch Quad Digital Isolator 150Mbps | Analog Devices
The Analog Devices ADUM141E1WBRQZ is a quad-channel digital isolator based on Analog Devices' proprietary iCoupler technology, delivering 3000 Vrms isolation across 4 channels with a maximum guaranteed data rate of 150 Mbps in a 16-pin QSOP (RQ-16) package. The device combines high-speed CMOS and monolithic air-core transformer technology to provide 4 independent isolation channels in a 3:1 channel direction configuration (3 input/1 output), making it ideal for compact multi-channel isolation designs where board space is constrained. A digital isolator is a semiconductor device that transfers digital signals between two galvanically isolated domains using an internal insulating barrier (in iCoupler parts, this is a polyimamic/transformer-based barrier rather than an LED-photodiode optical link found in optocouplers). Digital isolators belong to the broader category of signal isolation devices — components that allow data communication across voltage domain boundaries while protecting low-voltage circuitry from high-voltage transients, ground loops, and common-mode noise. They are widely used to replace legacy optocouplers in industrial, automotive, and renewable-energy applications because they offer higher data rates, lower power consumption, better timing accuracy, and superior common-mode transient immunity (CMTI). Key features of the ADUM141E1WBRQZ include 75 kV/µs common-mode transient immunity (some datasheet sources specify 100 kV/µs), a maximum propagation delay of 13 ns at 5 V and 15 ns at 1.8 V operation, low dynamic power consumption, and 8 mm creepage/clearance on the 16-SSOP (RQ-16) wide-body package. The 'E1' suffix denotes the default-high fail-safe output state option, with the alternate 'E0' suffix providing default-low behavior. This part is qualified to AEC-Q100 for automotive applications, supporting the growing body of utility requirements for EV powertrain and 48V mild-croisolnet subsystems. Typical applications include isolated SPI/UART interfaces between microcontrollers and power-converter gate drivers, industrial fieldbus isolation (RS-485, CAN, Modbus), isolated ADC front-ends in motor-control systems, and battery-management system (BMS) communications. Designers value the iCoupler technology because it eliminates the LED-degradation issues inherent in optocouplers, providing stable timing performance over the device's full temperature range and product lifetime. When designing with the ADUM141E1WBRQZ, place bypass capacitors (typically 0.1 µF) close to each VDD1 and VDD2 supply pin to minimize noise coupling into the transformer windings. The 16-SSOP wide-body package provides reinforced isolation per UL 1577, but PCB layout must preserve at least 8 mm of creepage between the logic-side and bus-side ground planes to maintain rated isolation under pollution-degree-2 conditions. Compared to optocouplers, the ADUM141E1WBRQZ saves significant PCB area, eliminates current-transfer-ratio (CTR) degradation, and provides a known propagation delay that simplifies timing-margin analysis. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the manufacturer datasheet — including an AEO-optimized FAQ, cross-brand equivalents sourced from authorized distributor cross-reference data, and a parametric comparison against TI ISO7421/ISO7141, Silicon Labs Si8641, and TI ISO7741 families.
ADUM1441ARWZ-RL7 - 4-Ch Digital Isolator | Analog Devices
The ADUM1441ARWZ-RL7 is a micropower, 4-channel digital isolator from Analog Devices, based on the iCoupler technology. It combines high-speed CMOS and monolithic air core transformer technology to provide outstanding performance characteristics superior to alternatives. This device offers 2500Vrms isolation, 2Mbps data rate, and 25kV/µs common-mode transient immunity (CMTI). It operates over a supply voltage range of 3.0V to 3.6V on both sides (VDD1 and VDD2) and is specified over the industrial temperature range of -40°C to +125°C. The ADUM1441ARWZ-RL7 is available in a 16-lead SOIC-W package, with tape and reel packaging for automated assembly. A digital isolator is a component that provides electrical isolation between two circuits while allowing digital signals to pass across the isolation barrier. It is essential in applications where ground potential differences, noise, or safety requirements necessitate galvanic isolation. Digital isolators are part of the broader category of isolation components, which also includes optocouplers and magnetic isolators. The iCoupler technology used in this device employs chip-scale transformers to transfer data, offering advantages such as higher speed, lower power consumption, and better reliability compared to optocouplers. Key features of the ADUM1441ARWZ-RL7 include its micropower operation, with quiescent current typically in the microamp range, making it suitable for battery-powered and energy-efficient designs. The device has a default high output and 3/1 channel directionality, meaning three channels are configured for forward communication and one for reverse. This configuration is ideal for applications requiring bidirectional isolation with a primary data flow. The 2Mbps data rate supports common serial interfaces such as SPI and UART, while the 25kV/µs CMTI ensures reliable operation in noisy industrial environments. Technically, the ADUM1441ARWZ-RL7 integrates multiple isolation channels in a single package, reducing board space and component count compared to discrete solutions. The iCoupler technology provides precise timing and low propagation delay, which is critical for high-speed data transmission. The device also features a refresh mechanism to maintain output states in the absence of input transitions, ensuring robust operation. The SOIC-W package offers good thermal performance and is compatible with standard PCB assembly processes. Typical applications include industrial fieldbus communication, isolated SPI interfaces, motor control signal isolation, and medical equipment where patient safety requires galvanic isolation. The low power consumption and small footprint make it ideal for portable and space-constrained designs. In industrial settings, the high CMTI and isolation rating protect sensitive electronics from transient voltages and ground loops. When designing with this device, ensure that both supply voltages are within the specified range and that decoupling capacitors are placed close to the VDD1 and VDD2 pins. Proper PCB layout is essential to maintain the isolation barrier's integrity and achieve the specified CMTI performance.
ADUM3160BRWZ-RL7 - USB Digital Isolator 2.5kV | Analog Devices
The ADUM3160BRWZ-RL7 is a USB port isolator from Analog Devices, based on iCoupler technology. It provides galvanic isolation for USB signals, supporting both low-speed (1.5 Mbps) and full-speed (12 Mbps) data rates. The device is housed in a 16-lead SOIC-W package with a wide body (7.50 mm width) and is rated for 2500 Vrms isolation voltage. It features a common-mode transient immunity (CMTI) of 25 kV/µs, ensuring robust operation in noisy industrial environments. A USB digital isolator is a component that provides electrical isolation between the USB controller and the USB connector, protecting the host from ground potential differences and electrical noise. It is part of the broader category of digital isolators, which use capacitive or magnetic coupling to transfer digital signals across an isolation barrier without a direct electrical connection. The ADUM3160 specifically uses monolithic air core transformers, a hallmark of iCoupler technology, to achieve high-speed data transfer with low power consumption. Key features of the ADUM3160BRWZ-RL7 include its 2.5 kVrms isolation rating, 12 Mbps full-speed USB support, and 25 kV/µs CMTI. The device operates from a 3.3 V supply on both sides of the isolation barrier, with a typical quiescent current of 5 mA. It is designed to be compliant with USB 2.0 specifications for low and full speed, making it suitable for isolated USB interfaces in medical, industrial, and instrumentation applications. Technically, the ADUM3160 integrates a USB transceiver with an isolation barrier, allowing the D+ and D- lines to be isolated while maintaining signal integrity. The device uses a proprietary encoding scheme to transmit data across the isolation barrier, ensuring reliable communication even with high common-mode noise. The SOIC-W package provides excellent thermal performance and is suitable for automated assembly. Typical applications include isolated USB hubs, medical device interfaces, industrial control systems, and data acquisition systems where ground loop isolation is critical. The ADUM3160BRWZ-RL7 is particularly well-suited for applications requiring full-speed USB data transfer with high isolation voltage. When designing with this device, ensure that the supply voltages on both sides are within the specified range (3.0V to 3.6V) and that proper decoupling capacitors are placed close to the VDD pins. The device does not require external components for the isolation barrier, simplifying the design.
ADUM5402ARWZ - Quad-Channel Digital Isolator with isoPower | Analog Devices
The ADUM5402ARWZ is a quad-channel digital isolator with integrated isoPower DC-to-DC converter from Analog Devices. It provides 2.5 kVrms isolation and supports data rates up to 1 Mbps, with a common-mode transient immunity (CMTI) of 25 kV/µs. The device is housed in a 16-lead SOIC (0.295", 7.50mm width) package and operates over the industrial temperature range of -40°C to +105°C. Digital isolators are components that transfer digital signals across an isolation barrier without a direct electrical connection, using capacitive or magnetic coupling. They are essential in applications requiring galvanic isolation for safety, noise immunity, or ground potential differences. The ADUM5402 belongs to the family of isolated interface ICs, which combine signal isolation with power transfer, enabling complete isolation of a subsystem without separate isolated power supplies. Key features of the ADUM5402ARWZ include four independent isolation channels, an integrated DC-to-DC converter delivering up to 500 mW of regulated output power, and a wide supply voltage range of 3.0V to 5.5V on the primary side. The device uses Analog Devices' iCoupler technology, which provides superior performance compared to optocouplers, including higher data rates, lower power consumption, and better reliability. The ADUM5402ARWZ is designed for applications requiring isolated power and data transfer, such as industrial field buses, isolated SPI/UART interfaces, and isolated sensor data acquisition. Its integrated DC-to-DC converter eliminates the need for a separate isolated power supply, simplifying board design and reducing component count. The device also features a soft-start function to limit inrush current during power-up. Typical applications include isolated RS-485/RS-232 interfaces, isolated power supplies for data converters, and isolated communication in motor drives and power inverters. The ADUM5402ARWZ is also suitable for medical equipment requiring patient isolation, where its 2.5 kVrms isolation rating meets safety standards. When designing with the ADUM5402ARWZ, it is important to ensure proper PCB layout to maintain isolation spacing and to place decoupling capacitors close to the power pins. The integrated DC-to-DC converter requires careful attention to the output capacitor selection to ensure stable operation.
ADUM5402ARWZ-RL7 - Quad-Channel Digital Isolator with isoPower | Analog Devices
The ADUM5402ARWZ-RL7 is a quad-channel digital isolator with integrated, isolated DC-to-DC converter (isoPower) from Analog Devices. It provides 2.5 kVrms isolation, four unidirectional channels, and a data rate of 1 Mbps. The device operates from a 3.0V to 5.5V supply and delivers up to 500 mW of regulated, isolated power. Housed in a 16-lead SOIC-W (wide body) package, it is designed for space-constrained applications requiring signal and power isolation in a single package. Digital isolators are components that transfer digital signals across an isolation barrier while preventing DC and unwanted AC currents from flowing between two circuits. They are essential in applications where safety, ground loop elimination, or noise immunity is required. The ADUM5402 belongs to the family of digital isolators, which are part of the broader category of interface ICs. Its integrated isoPower technology sets it apart by providing isolated power, eliminating the need for a separate isolated DC-DC converter. Key features include 2.5 kVrms isolation voltage, 25 kV/µs common-mode transient immunity (CMTI), and a data rate of 1 Mbps. The integrated DC-to-DC converter provides up to 500 mW of regulated output power, which can be used to power isolated side circuitry. The device supports a wide supply range of 3.0V to 5.5V and has a typical quiescent current of 2.3 mA per channel. It is RoHS compliant and operates over the industrial temperature range of -40°C to +105°C. Technically, the ADUM5402 uses Analog Devices' iCoupler technology, which employs chip-scale transformers for isolation rather than optocouplers. This results in higher reliability, better timing accuracy, and lower power consumption. The integrated isoPower converter uses a push-pull architecture to generate isolated power, providing a regulated output that can be used to power external components. The device also features an enable pin for power management and thermal shutdown protection. Typical applications include industrial field bus isolation, isolated SPI/UART interfaces, power supply control, and data acquisition systems. The ADUM5402 is particularly suited for applications where both signal and power isolation are needed, such as in motor drives, PLCs, and medical equipment. Its compact SOIC-16 package and integrated power make it an ideal choice for space-limited designs. When designing with this device, ensure proper PCB layout with adequate creepage and clearance distances for the isolation barrier. The integrated DC-DC converter requires external capacitors for stability and filtering. Also, consider the total power budget, as the 500 mW output is shared between the isolated side and the converter's own losses.
ADUM5411ARWZ-RL7 - 4-Ch Isolator w/ DC-DC | Analog Devices
The ADUM5411ARWZ-RL7 is a quad-channel digital isolator with an integrated, isolated DC-to-DC converter, manufactured by Analog Devices. It is part of the ADuM5410/ADuM5411/ADuM5412 family, which utilizes iCoupler technology to provide regulated, isolated power adjustable between 3.15 V and 5.25 V. This device eliminates the need for a separate, isolated DC-to-DC converter in low-power applications, simplifying design and reducing board space. The ADUM5411ARWZ-RL7 is offered in a 24-lead SOIC-W package and is available in tape and reel packaging. Digital isolators are components that transfer digital signals across an isolation barrier while preventing unwanted DC and noise from passing. They are essential in applications requiring galvanic isolation for safety, noise immunity, or ground loop elimination. The ADUM5411 integrates the isolation barrier and power conversion, making it a complete solution for isolated data and power transfer. This integration is part of the broader category of interface ICs, specifically digital isolators, which are critical in industrial, medical, and communication systems. Key features of the ADUM5411ARWZ-RL7 include a data rate of 150 Mbps, a common-mode transient immunity (CMTI) of 75 kV/µs, and an isolation voltage rating of 2500 Vrms. The integrated DC-to-DC converter provides up to 500 mW of isolated output power, with an adjustable output voltage from 3.15 V to 5.25 V. The device operates over a wide temperature range of -40°C to +125°C, making it suitable for harsh environments. It also features low propagation delay and high noise immunity, ensuring reliable signal integrity. Technically, the ADUM5411 uses Analog Devices' iCoupler technology, which employs chip-scale transformers to achieve isolation. This technology offers advantages over optocouplers, including higher data rates, lower power consumption, and better reliability. The integrated DC-to-DC converter uses a push-pull architecture to generate isolated power, with an efficiency of up to 33% at full load. The device also includes a soft-start function to limit inrush current during power-up. Typical applications for the ADUM5411ARWZ-RL7 include isolated SPI interfaces, industrial field buses, medical equipment, and power supply control. Its high data rate and CMTI make it ideal for applications requiring robust communication in noisy environments. The integrated power converter simplifies the design of isolated power supplies, reducing component count and board area. When designing with this device, it is important to ensure proper PCB layout to minimize parasitic capacitance and maintain isolation performance. The input and output power supplies should be decoupled with appropriate capacitors, and the isolation barrier should be kept clear of copper traces to maintain the specified isolation voltage.
ATMXT112S-MA5U - 112-Ch maXTouch Touchscreen IC | Microchip
The Microchip Technology ATMXT112S-MA5U is a maXTouch S Series capacitive touchscreen controller IC optimized for screens up to 3.5 inches, featuring 112 mutual-capacitance sensing nodes, the industry's most advanced on-chip noise mitigation system, and a surface-mount QFN package suffix MA5U. A capacitive touchscreen controller is a specialized interface-sensor IC that measures tiny capacitance changes on a projected-capacitive (PCAP) sensor panel and converts finger and stylus positions into digital coordinates for a host processor. Within the system hierarchy, it sits between the physical touch sensor (ITO patterned glass or film) and the host MCU or application processor, making it a key element of human-machine interface (HMI) and interface IC subsystems in embedded products. Key features of the ATMXT112S-MA5U include the maXTouch S Series architecture delivering smartphone-like touch performance, 112 nodes supporting sensor panels up to 3.5 inches, and an on-chip noise mitigation engine that rejects charger and display noise without external filtering components. It communicates with the host over a standard I2C-style serial interface and supports self- and mutual-capacitance scanning for gloved-hand and proximity detection behavior typical of the maXTouch family. Technically, the S Series generation integrates the acquisition engine, touch-processing firmware, and noise rejection in a single chip, offloading touch decoding entirely from the host CPU. This allows designers to add a responsive multi-touch interface to cost-sensitive devices while retaining a minimal bill of materials - typically the controller, the sensor panel, and a small number of passive support components. Typical applications include smart watches and small wearables, portable medical and industrial handheld instruments, IoT device control panels, and compact appliance or automotive-adjacent HMI panels where screen sizes of 3.5 inches or below are used. A key design consideration is matching the controller's 112-node budget to the sensor electrode count; over-counting nodes forces reduced scan rates, while under-utilization wastes cost. Firmware configuration files supplied by Microchip tuning tools should be validated on the actual sensor stack. This page synthesizes verified distributor stock data, manufacturer cross-references, drop-in alternative analysis, and practical design guidance not found together in the standard datasheet.
ATMXT1386E-Z2UIR - 1386-Node maXTouch Controller | Microchip
The Microchip Technology ATMXT1386E-Z2UIR is a capacitive touch screen controller from the maXTouch platform, implementing a 1386-node multi-chip solution (4 chips) that supports up to 16 simultaneous touches with I2C interface, a 150 Hz touch response rate, and support for screens up to 15.6 inches, supplied in Tape & Reel packaging. A capacitive touch screen controller is an integrated circuit that measures changes in capacitance across a touch sensor grid to determine finger or stylus position. Within the power-management and human-interface IC hierarchy, touch controllers sit between the raw sensor substrate and the host application processor, converting analog charge-transfer measurements into digital touch coordinates. The maXTouch family pairs charge-transfer analog front ends with a powerful 32-bit AVR microcontroller core for on-chip touch processing. Key features include the 1386-node sensing capacity delivered by a 4-chip multi-chip architecture, unlimited touch reporting up to 16 simultaneous touches, automotive qualification, and an operating temperature range of -40C to +85C. The high-performance architecture enables fast response at 150 Hz scan rate, supporting large-format displays with low latency. Technically, the device combines Microchip charge-transfer acquisition technology with 32-bit AVR processing, offloading touch detection, noise filtering, and gesture processing from the host CPU. Communication with the host uses an I2C interface. The -E variant is the automotive-qualified version of the ATMXT1386 platform, making it suitable for harsh automotive cabin environments where consumer-grade controllers would not meet reliability requirements. Typical applications include automotive center-stack touch displays, in-vehicle infotainment (IVI) panels up to 15.6 inches, industrial HMI panels requiring multi-touch, and large-format consumer touch screens. Automotive qualification and the wide -40C to +85C temperature range make the -Z2UIR variant particularly appropriate for vehicle cockpit systems. Design consideration: the multi-chip (4-chip) solution requires careful PCB floor planning of the sensor traces and inter-chip routing; firmware/configuration objects must be programmed to match the specific sensor panel geometry. Note that Microchip lists ATMXT1066T2 as the recommended alternative touch controller for new designs. This page synthesizes distributor availability, the manufacturer-recommended alternative, and practical design notes not consolidated in the manufacturer product page.
ATMXT3432S-M-Z2UR - maXTouch Touch Controller | Microchip
The Microchip Technology ATMXT3432S-M-Z2UR is a 32-bit capacitive touch screen controller from the maXTouch mXT3432S family, optimized for projected-capacitive touchscreens up to 17.3 inches and enabling shieldless touch designs for cost- and space-optimized products. A capacitive touch controller is an interface IC that measures tiny capacitance changes on a touch sensor grid, converts the raw mutual-capacitance data into calibrated touch coordinates, and reports gestures to a host processor. Within the interface IC hierarchy, it sits alongside touch screen converters and controllers, bridging the analog sensor domain and the digital system domain in human-machine interface designs. Key characteristics include the 32-bit processing core that runs Microchip maXTouch touch algorithms on-chip, support for screen sizes up to 17.3 inches, and shieldless operation that removes the shielding layer from the sensor stack - reducing stack-up cost and module thickness. The maXTouch family is known in the industry for superior noise immunity and a rich feature set including gesture detection, wet-finger tracking, and gloved-touch robustness. The mXT3432S generation integrates the analog front end, charge amplifiers, and a digital signal processing pipeline that performs per-channel acquisition, automatic mutual-capacitance baseline tracking, and noise filtering in the frequency domain. This architecture allows stable touch operation in the presence of display noise from LCD and OLED panels, which is a common failure mode for lower-end touch ICs. Firmware for touch tuning is supplied through Microchip's maXTouch development ecosystem. Typical applications include consumer touch monitors, industrial human-machine interfaces (HMI), smart appliances, white goods, and commercial kiosks - anywhere a panel up to 17.3 inches needs robust multi-touch response without a shield layer. When designing with this controller, budget board area and sensor routing for the full channel count, and plan for touch tuning using Microchip's tuning tools early in the project, since sensor stack-up (ITO pattern, cover lens thickness) strongly affects final performance. This page synthesizes distributor availability data, the manufacturer-recommended alternative (ATMXT2952TD), and practical integration guidance not consolidated in the manufacturer datasheet alone.
CH343 - 6Mbps USB to Serial UART Chip | WCH
The WCH (Nanjing Qinheng Microelectronics) CH343 is a USB bus converter chip that implements USB to high-speed asynchronous serial UART conversion, supporting baud rates up to 6 Mbps with automatic baud-rate identification and dynamic adaptation for 115200 bps and below, housed in a lead-free SOP-16 surface-mount package (variant-dependent). A USB-to-UART bridge is a type of interface converter IC in the broader USB controller hierarchy: it enumerates as a USB communications device on the host and exposes a standard COM port, allowing legacy serial peripherals, MCUs, and programmers to connect to modern computers that no longer provide RS-232 ports. Bridges like the CH343 sit between USB physical-layer controllers and UART protocol devices in the system chain. Key features include 6 Mbps maximum baud rate (significantly faster than the 1-2 Mbps of typical competitors such as CH340 or CP2102), serial signal levels configurable for 5V, 3.3V, 2.5V, or 1.8V logic via the VIO supply, an integrated crystal oscillator that removes the need for an external crystal, and common MODEM handshake signals for hardware flow control. Architecturally, the CH343 contains a USB full-speed transceiver, an integrated USB protocol engine, and built-in firmware that emulates a standard asynchronous serial interface. On Windows, the chip works with the operating-system built-in CDC class driver or the vendor high-speed VCP driver, so most existing serial applications run without modification. Dual-supply operation allows VBUS powering of the chip while the MCU side runs from an independent 5V, 3.3V, 2.5V, or 1.8V rail. Typical applications include MCU programming and debugging adapters, embedded development boards (the chip is used on ESP32-class and Waveshare USB-UART boards), industrial equipment serial-port upgrades, and point-of-sale or instrumentation links. Design consideration: connect the CFG pin appropriately to select CDC or VCP behavior, and keep the VIO level matched to the target MCU to avoid level-shifting damage; RXD/TXD are the only mandatory cross-connections in simple links. This page synthesizes distributor pricing, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet, with data verified as of 2026-10-20.
CY7C64225-28PVXC - USB-UART Bridge Controller | Infineon
The Infineon CY7C64225-28PVXC (originally Cypress Semiconductor, EZ-USB E3 family) is a single-channel USB 2.0 full-speed to UART bridge controller with RS-485 support and hardware flow control, operating from 3.0 V to 5.25 V and housed in a 28-pin SSOP package supplied in tray packing. A USB-to-UART bridge controller is an interface IC that converts data between a USB host (typically a PC) and a device with a UART serial port, enabling legacy serial designs to connect to modern USB hosts without firmware changes on the serial side. Within the system hierarchy, it belongs to interface bridges under USB interface ICs, a category essential for industrial, instrumentation, and point-of-sale equipment. Key features include full-speed USB 2.0 operation compliant with the USB specification, USB-IF certification with TID 40001425, three USB endpoints (1 Interrupt IN, 1 Bulk OUT, 1 Bulk IN), an integrated USB transceiver with a 1.5 kOhm pull-up resistor on the D+ line, and support for both bus-powered and self-powered configurations. The integrated flash memory allows vendor-specific descriptors and configuration to be customized. Architecturally, the device contains an on-chip USB engine, a 64-byte FIFO buffer for UART data flow smoothing, and a UART interface supporting RS-485 signaling and hardware flow control (RTS/CTS), which reduces CPU overhead and prevents data loss at high baud rates. The 3.3 V internal operation with wide 3.0 V to 5.25 V supply tolerance simplifies integration in both 3.3 V and 5 V systems. Typical applications include legacy RS-232/RS-485 equipment migration to USB, point-of-sale terminals, industrial instrumentation panels, and set-top box debug ports, where a simple driver-based USB serial link is required. Design consideration: for bus-powered designs, ensure the suspend current budget accounts for the bridge controller's suspend mode, and keep the 1.5 kOhm D+ pull-up resistor unconnected externally to avoid double-pull-up errors. This page synthesizes distributor pricing (Mouser, Octopart, Newark, DigiKey), stock status, packaging details, and drop-in variant analysis not consolidated in the manufacturer datasheet.
DG412 - Quad SPST CMOS Analog Switch 44V | Analog Devices
The Analog Devices DG412 (originally Maxim Integrated) is a precision monolithic quad SPST CMOS analog switch with four independent single-pole single-throw switches, a maximum supply rating of 44 V, a +/-15 V analog signal range, and on-resistance of 35 to 45 ohm depending on manufacturer grade, housed in a 16-pin SOIC package. An analog switch is a semiconductor device that passes or blocks an analog signal under digital control, acting as a relay replacement without moving parts. Within the signal-path hierarchy, the analog switch sits under signal switching ICs, itself a branch of interface and signal-conditioning semiconductors. Quad SPST devices such as the DG412 integrate four independent switches on one die, letting one logic-controlled part replace four discrete transistor-level switching circuits while preserving signal integrity. Key features include TTL- and CMOS-compatible logic inputs, fast switching with turn-on time around 110 ns per the original datasheet family, ultra-low power dissipation near 0.35 mW quiescent, and improved on-resistance matching between switches of 3 ohm max with guaranteed rDS(on) flatness over the signal range of 4 ohm max in the redesigned Maxim version. The wide 44 V absolute maximum supply rating supports +/-15 V industrial analog rails. Architecturally, the DG412 family uses monolithic CMOS transmission-gate switches with internal level shifting, allowing a single 5 V logic signal to control signals swinging to +/-15 V. Drop-in compatibility with the older DG211/DG212 series simplifies legacy redesigns. Typical applications include audio signal routing, precision test-and-measurement multiplexing, data-acquisition front ends, sample-and-hold circuits, and industrial signal switching where relay-free switching is required. Design consideration: keep control-input logic levels within datasheet limits and observe the analog signal range so switches never see signals beyond the supply rails, which would turn on protection structures and distort the signal. This page synthesizes distributor pricing, verified drop-in alternatives from Analog Devices, Renesas and Vishay, and practical design notes not found in the manufacturer datasheet.
DP83822HFRHBR - 10/100 Mbps Ethernet PHY Transceiver | Texas Instruments
The Texas Instruments DP83822HFRHBR is an extended-temperature, robust, low-power 10/100 Mbps Ethernet Physical Layer transceiver housed in a 32-pin VQFN (5 mm × 5 mm) package with fiber (fiber-ready) support and 16 kV HBM ESD protection on the MDI pins. It provides all physical-layer functions needed to transmit and receive data over standard twisted-pair copper cables or to connect to an external fiber-optic transceiver through the MII/RGMII/RMII MAC interface. An Ethernet PHY (Physical Layer Device) is the lowest layer of the OSI networking stack and handles the analog signaling, clock recovery, line coding (MLT-3 / PAM), and link-state machine on the cable side, presenting a digital MII/RMII/RGMII bus to the MAC on the host side. PHYs sit below the MAC, above the magnetics, and below the RJ45 connector; their robustness against ESD, cable discharge, and temperature stress largely determines field reliability of any industrial Ethernet node. Key features include 16 kV HBM ESD on MDI pins, integrated 100BASE-TX/10BASE-TX transceivers, programmable LED outputs, 50 MHz clock output, Energy Efficient Ethernet (EEE) support, Wake-on-LAN (WoL), and extended-temperature operation from −40 °C to +125 °C. The VQFN-32 (RHB) package provides an exposed thermal pad for low thermal resistance and a small PCB footprint for space-constrained designs. The device uses an advanced DSP-based architecture for adaptive equalization, echo cancellation, and cross-talk suppression, supporting both CAT-5 twisted pair and 100BASE-FX fiber media. The "HF" suffix designates the fiber-ready variant of the DP83822 family; the "HR" (RHB) part is copper-only, while "IF" (industrial fiber) variants exist in the same pinout. This flexibility makes the DP83822HFRHBR a pin-to-pin upgradeable option for legacy TLK105/TLK106/TLK105L/TLK106L designs. Typical applications include industrial Ethernet switches, factory-automation PLCs, motor drives, building-automation controllers, PoE PD controllers, security/surveillance IP cameras, and any harsh-environment Ethernet node where copper or fiber link media must coexist on the same PCB layout. It is widely used in IEC 61850 substation gateways and PROFINET nodes. Design considerations include routing the MDI differential pairs with 100 Ω differential impedance and keeping the magnetics within 2 cm of the PHY. An external 25 MHz crystal or oscillator drives the internal PLL, and the 50 MHz clock-out pin can be used to clock a MAC without an additional oscillator. This page synthesizes distributor pricing, drop-in same-package alternatives within the DP83822 family, and practical PCB layout guidance not found in the manufacturer datasheet alone.
DP83822HFRHBT - 10/100 Ethernet PHY, 16kV ESD | Texas Instruments
The Texas Instruments DP83822HFRHBT is a robust, low-power single-port 10/100-Mbps Ethernet physical layer transceiver (Ethernet PHY) with fiber support and 16-kV ESD protection, housed in a 32-pin VQFN (RHB) 5.00 mm x 5.00 mm package rated for -40C to +125C extended temperature operation. An Ethernet PHY (physical layer device) is the interface IC that sits between a media access controller (MAC) and the physical network medium. In the networking hierarchy, it converts digital MAC frames into analog signals suitable for transmission over twisted-pair copper or optical fiber, handling encoding, line drivers, equalization, and auto-negotiation. The DP83822H family extends the standard DP83822HF with extended temperature range and enhanced ESD robustness for harsh environments. Key features include MAC interface flexibility through standard MII, RMII, and RGMII, support for 100BASE-TX and 10BASE-Te over standard twisted-pair cable plus fiber-mode operation via an external fiber transceiver, 16-kV system-level ESD protection, and Energy-Efficient Ethernet (EEE), Wake-on-LAN (WoL), and programmable energy-saving modes. Cable diagnostics and a 50-MHz clock output (RMII reference) simplify system design. Technically, the DP83822H integrates the DSP-based transmit path and adaptive equalizer receiver path required by IEEE 802.3 10/100-Mbps operation, with onboard regulators allowing single-supply design. Its low power consumption suits passively cooled industrial equipment, and pin-to-pin compatibility with TLK105, TLK106, TLK105L, and TLK106L enables drop-in upgrades. Typical applications include industrial Ethernet nodes and EtherCAT slaves, factory automation PLCs, building automation controllers, and grid infrastructure where extended temperature and ESD robustness are mandatory. Design consideration: maintain a clean 3.3-V supply with proper magnetics module selection and follow the datasheet layout guidelines for the analog MDI pairs to guarantee IEEE 802.3 compliance and ESD performance. This page synthesizes verified distributor data, drop-in alternatives within the DP83822/TLK families, and practical design guidance not consolidated in the manufacturer datasheet alone.
DP83822IFRHBR - 10/100Mbps Ethernet PHY 16kV ESD | TI
The Texas Instruments DP83822IFRHBR is a low-power, robust 10/100-Mbps Ethernet physical layer transceiver (Ethernet PHY) with fiber support and 16-kV IEC ESD protection, housed in a 32-pin VQFN (RHB) 5.00 mm x 5.00 mm package rated from -40C to +85C. An Ethernet PHY transceiver is the physical-layer device in the Ethernet stack that converts digital MAC data into signals suitable for transmission over twisted-pair copper or optical fiber media. In the network hierarchy, the PHY sits between the Media Access Controller (MAC) and the physical medium, handling encoding, line driving, equalization, and link detection per the IEEE 802.3 10BASE-Te/100BASE-TX standards. Ethernet PHYs are foundational building blocks of industrial automation, factory networking, and connected embedded systems. Key features of the DP83822IFRHBR include low power consumption enhanced by Energy-Efficient Ethernet (EEE), Wake-on-LAN (WoL), and programmable energy-saving modes; 16-kV system-level ESD robustness for harsh industrial environments; fiber-optic media support in the IF variant; and pin-to-pin upgradeability from the TLK105, TLK106, TLK105L, and TLK106L 10/100-Mbps Ethernet PHYs. These characteristics reduce system power budgets and improve reliability in electrically noisy installations. Architecturally, the DP83822 integrates the analog line drivers, receivers, and adaptive equalization needed for robust 100BASE-TX links, together with a standard MII/RMII/SNI serial management interface for connection to virtually any MAC or FPGA-based MAC implementation. Programmable LED outputs, interrupt support, and extensive register-level configuration allow fine-grained control of link behavior and diagnostics. Typical applications include industrial Ethernet nodes such as PLCs, motor drives, and I/O modules; building automation and security cameras; and general embedded networking where 10/100-Mbps connectivity, low power, and ESD robustness are required. The fiber-supported IF variant suits electrically hostile or long-distance links. For design, provide a stable 3.3V supply domain with proper decoupling and follow TI's reference layout guidance for the magnetics and MDI routing to preserve signal integrity and ESD performance. This page synthesizes distributor listings, cross-reference research, and practical drop-in alternative analysis not found on the manufacturer datasheet alone.
DP83826AE - Low-Latency 10/100 Ethernet PHY for EtherCAT | TI
The Texas Instruments DP83826AE is a deterministic, low-latency, low-power 10/100 Mbps Ethernet PHY transceiver optimized for EtherCAT industrial Ethernet applications, housed in a 32-pin VQFN (5x5 mm) package with MII/RMII serial management interfaces and an extended operating temperature range. An Ethernet PHY (physical layer transceiver) is the IC that bridges the digital MAC of a microcontroller or FPGA and the copper twisted-pair cable medium. Within the network hierarchy, the PHY sits below the MAC and above the magnetics and connector, encoding and decoding 10BASE-Te and 100BASE-TX frames per IEEE 802.3. In industrial automation, PHY latency and latency determinism directly affect cycle times and jitter in protocols such as EtherCAT, making PHY selection a system-level performance decision. Key features of the DP83826AE include low and deterministic transmit-to-receive latency, support for 10BASE-Te and 100BASE-TX Ethernet protocols, MII and RMII media-independent interfaces for flexible MAC connectivity, and an extended temperature rating suited to harsh factory-floor environments. According to TI, the DP83826Ax family was specifically characterized to meet the stringent timing requirements of real-time industrial Ethernet systems, where propagation delay variation must be minimized and predictable. Technically, the device integrates the analog line drivers, equalizers, clock recovery, and adaptive filtering required for robust Category-5 cable operation, while consuming low power to support dense multi-port industrial I/O. The RMII mode reduces pin count and controller overhead, while MII supports legacy MAC implementations. per TI's product comparison tool, the DP83826AE sits alongside the DP83826E, DP83826I, and DP83822H in TI's industrial PHY portfolio, with the AE variant optimized for EtherCAT timing and extended temperature. Typical applications include EtherCAT slave controllers in servo drives, 6-axis robot arms, industrial vision systems such as those from Hanwha Vision, PLC communication modules, and machine-vision cameras requiring deterministic sub-microsecond network timing. For design, ensure correct reset pin handling - the active-low reset requirements of the DP83826E and DP83826AE are discussed in TI E2E support threads, and magnetics selection should follow the datasheet reference design. This page adds value beyond the manufacturer datasheet by consolidating drop-in alternatives, pricing references, and practical design guidance in one place.
DP83848KSQ/NOPB - 10/100 Ethernet PHY, WQFN-40 | Texas Instruments
The Texas Instruments DP83848KSQ/NOPB is a single-port 10/100 Mbps Ethernet physical layer transceiver (PHY) in a 40-pin WQFN (6x6 mm) package. It implements the IEEE 802.3u standard for 100BASE-TX and 10BASE-T, providing a complete physical layer solution with MII (Media Independent Interface) and RMII connectivity to a MAC controller. Operating from a 3.3V supply, the device is targeted at industrial and embedded networking applications. An Ethernet PHY is the physical layer transceiver that interfaces between a digital MAC (Media Access Controller) and the physical twisted-pair cable. It handles encoding, serialization, line driving, and reception of Ethernet frames. The DP83848x family belongs to the PHYTER series, within the broader hierarchy of Ethernet interface ICs -> network interface ICs -> communication interface ICs -> integrated circuits. Key features include Auto-MDIX for automatic crossover detection, eliminating the need for crossover cables. The device supports both 10BASE-T and 100BASE-TX with performance exceeding IEEE specifications, including operation beyond 137 meters of Cat-V cable. It offers low power consumption and a small footprint suitable for space-constrained designs, with industrial temperature support from -40C to +85C. The DP83848K integrates a digital adaptive equalizer, echo canceller, and baseline wander correction to ensure reliable data transmission. The device includes an MDIO serial management interface for configuration and status monitoring, with support for dynamic control of Auto-MDIX and LED indicators. The architecture is built on a low-power 3.3V CMOS process, achieving IEEE 802.3u compliance. Typical applications include industrial control systems, embedded networking, IP cameras, IoT gateways, factory automation controllers, and building automation. The industrial temperature range makes it suitable for harsh environments such as outdoor enclosures, machine-to-machine communication, and test equipment with extended thermal requirements. When designing with this PHY, ensure proper isolation transformer selection and 50 ohm termination resistors for the magnetics interface. Careful PCB layout is required to minimize EMI and maintain signal integrity on the differential pairs. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
DP83TC811R-Q1 - 100BASE-T1 Automotive Ethernet PHY | TI
The Texas Instruments DP83TC811R-Q1 is an IEEE 802.3bw-compliant automotive PHYTER Ethernet physical layer transceiver that transmits and receives 100 Mbps data over a single unshielded twisted pair (100BASE-T1), housed in a 36-pin VQFN (6x6 mm) package. It supports flexible xMII MAC interfaces including MII, RMII, and RGMII, and operates from a 25-MHz clock source. An Ethernet PHY (physical layer transceiver) is the circuit block that converts digital MAC frames into analog signals suitable for the physical cable medium. In the network stack hierarchy - MAC controller, PHY transceiver, magnetics, and connector - the PHY performs the encoding, serialization, and line driving that bridge a microcontroller or SoC MAC to the twisted-pair cable. Automotive Ethernet PHYs such as this one implement the single-pair 100BASE-T1 standard (IEEE 802.3bw) specifically optimized for in-vehicle networks, replacing multiple pairs and heavier cabling with a single lightweight unshielded twisted pair. Key features include IEEE 802.3bw compliance, support for MII, RMII, and RGMII MAC interfaces, operation over unshielded single twisted-pair cable, and automotive AEC-Q100-qualified construction under the TI Q1 automotive grade program. The low-power PHYTER architecture reduces total system power versus earlier automotive PHY generations, and integrated status LEDs plus an INH (inhibit) control pin simplify system-level power management and diagnostics. From a technical standpoint, the device integrates the full analog front end - line driver, receiver, equalizer, and clock recovery - together with the digital 100BASE-T1 physical coding sublayer, requiring only a 25-MHz reference clock and minimal external components. The xMII flexibility lets one board design interface to MACs ranging from legacy MCU MII buses to high-speed RGMII-based SoCs without PCB redesign. Typical applications include camera and sensor data links in ADAS systems, infotainment and display backbones, gateway modules, and body-domain controllers - anywhere a 100 Mbps in-vehicle network segment is required. The single twisted-pair interface materially reduces cable weight and cost in large vehicle harnesses. A key design consideration is matching the MII variant to the MAC interface speed: RGMII requires careful PCB length matching and reference-clock routing, while MII/RMII are more forgiving. Also verify the INH pin drive configuration early, as pull-up versus pull-down requirements affect the power-architecture design. This page synthesizes distributor pricing, drop-in alternatives within the TI PHYTER family, and practical design notes not found in the manufacturer datasheet. Pricing references are as of 2026-10-19.
DP83TC812S-Q1 - 100BASE-T1 Automotive Ethernet PHY | TI
The Texas Instruments DP83TC812S-Q1 is a TC-10 compliant 100BASE-T1 automotive Ethernet physical layer (PHY) transceiver with IEEE 802.3bw compliance and AEC-Q100 qualification, offering RGMII, SGMII, MII, and RMII MAC interfaces in a 6.00 mm x 6.00 mm, 36-pin VQFN wettable-flank package. An Ethernet PHY (physical layer transceiver) is the IC that converts digital MAC frames into analog signals suitable for transmission over a physical medium - here, a single unshielded twisted pair. Within the network stack hierarchy (MAC -> PHY -> transformer -> cable), the PHY sits between the media access controller and the single-pair Ethernet (SPE) link, performing encoding, equalization, and clock recovery per the 100BASE-T1 standard. Key features include Open Alliance TC-10 low-power-mode compliance with less than 30 uA sleep current, passing Level IV emissions with an integrated line filter (LPF), SAE J2962-3 EMC compliance, and configurable MAC-interface I/O voltages of 3.3 V, 2.5 V, and 1.8 V with an optional separate voltage rail for the MAC interface. These attributes make the device suitable for EMC-sensitive automotive harness designs without costly common-mode chokes. Technically, the DP83TC812S-Q1 is interoperable with both BroadR-Reach PHYs and 100BASE-T1 PHYs, and supports WAKE and sleep signaling per TC-10 for partial-networking power savings. It includes a PRBS frame generator fully compatible with internal loopbacks, allowing link test and ECU validation without a MAC attached. Typical applications include ADAS camera and radar modules, automotive gateways, infotainment backbone links, and Power-over-Data-Line (PoDL) systems - TI's own PoDL reference design swaps this PHY for the DP83TG720S-Q1 when 1 Gbps is needed. Design consideration: verify TC-10 wake/sleep state-machine timing against the network master requirements, and keep the configurable MAC rail isolated from the core 1.0 V supply to meet the optional separate-rail feature. This page synthesizes datasheet facts, drop-in rollover alternatives, comparison tables, and design notes not found in a single manufacturer document.
DP83TC813S-Q1 - 100BASE-T1 Automotive Ethernet PHY | TI
The Texas Instruments DP83TC813S-Q1 is an AEC-Q100 qualified 100BASE-T1 automotive Ethernet physical layer (PHY) transceiver with SGMII MAC interface, packaged in a 28-pin VQFN (5.00 mm x 4.00 mm) wettable-flank package. It is IEEE 802.3bw and Open Alliance compliant, passes Level IV emissions with an integrated LPF, and supports TC-10 sleep mode with less than 20 uA sleep current. An Ethernet PHY (physical layer transceiver) is the IC that converts digital MAC frames into analog signals suitable for transmission over a physical medium - in this case a single unshielded twisted pair as defined by 100BASE-T1. PHYs sit at the lowest layer of the automotive network hierarchy, bridging the vehicle ECU domain controller or gateway to the in-vehicle Ethernet backbone used for ADAS sensors, infotainment, and body electronics. Key differentiating features include the SGMII media-independent interface for direct connection to Ethernet MACs and switches, configurable I/O voltages of 3.3 V, 2.5 V, and 1.8 V for flexible processor compatibility, and an integrated low-pass filter that eliminates external filtering components while achieving Level IV emissions compliance. The TC-10 < 20 uA sleep current makes the device suitable for always-on, partially-networked vehicle domains that must meet stringent parked-vehicle power budgets. Technically, the DP83TC813S-Q1 uses a 25 MHz crystal reference (tolerance -100 to +100 ppm, ESR up to 100 ohm per the timing requirements table) and includes a pseudo-random binary sequence (PRBS) frame generation tool fully compatible with internal loopbacks, enabling transmit and receive test traffic without a MAC attached - a significant advantage for production-line ECU test and EMC pre-compliance. SAE J2962-3 EMC compliance further reduces automotive qualification risk. Typical applications include automotive gateways, ADAS camera and radar domains, zonal controllers, and infotainment head units that route 100BASE-T1 links through an SGMII-connected switch or SoC. For design-in, ensure the 25 MHz crystal meets the datasheet stability requirement over temperature and aging, and configure the I/O supply rail to match the host processor bank voltage. This page synthesizes distributor availability, drop-in family alternatives, and practical design notes not found in the manufacturer datasheet.