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PI3751-02-LGIZ - 60V 240W ZVS Buck-Boost Regulator | Vicor
The Vicor PI3751-02-LGIZ is a high-efficiency, wide-input-range 240 W DC-DC ZVS (Zero-Voltage Switching) Buck-Boost regulator module integrating controller, power switches, and support components into a single high-density LGA SiP (System-in-Package). It accepts a 38 V to 60 V input range and is optimized for 48 V nominal distribution rails common in telecom, datacom, and industrial automation systems. The proprietary ZVS topology enables high-frequency switching with minimal switching losses, raising point-of-load power conversion efficiency well above conventional hard-switched buck-boost converters. What is a ZVS buck-boost regulator? A ZVS (Zero-Voltage Switching) buck-boost regulator is a switched-mode DC-DC topology which can both step down (buck) and step up (boost) its input voltage while maintaining a regulated output. ZVS means the power switches transition when the voltage across them is approximately zero, which dramatically reduces switching losses and EMI compared to hard-switched PWM converters. ZVS buck-boost regulators sit within the broader category hierarchy: DC-DC converter -> buck-boost converter -> ZVS regulator -> power management IC -> semiconductor. They are used when input voltage may swing above or below the desired output and high efficiency at high switching frequency is mandatory. The PI3751-02-LGIZ delivers up to 240 W of output power from a compact surface-mount module, providing best-in-class power density for its power level. Its integrated ZVS topology allows high switching frequency operation with reduced EMI emissions, simplifying both input and output filtering requirements. The regulator supports adjustable output voltage configuration, enabling designers to set the rail voltage for downstream point-of-load converters, ASICs, or directly to system loads. Typical applications include 48 V telecom and datacom point-of-load conversion, industrial 48 V bus regulation, high-performance computing and AI accelerator auxiliary rails, battery-backed 48 V systems, and LED driver power stages. The wide 38 V to 60 V input range makes it tolerant of transient drops on 48 V distribution buses, while the buck-boost capability allows a regulated output even when the input sags below or rises above the output setpoint. When designing with this module, follow Vicor's layout and thermal guidance in the datasheet. Use the recommended input and output capacitance, observe the LGA land pattern and reflow profile, and ensure sufficient PCB copper area or forced airflow to keep the module within its thermal limits. Avoid paralleling multiple PI3751-02 modules without consulting Vicor application notes, since current sharing requires external circuitry.
PI3753-50-LGIZ - 50V ZVS Buck-Boost Regulator | Vicor
The Vicor PI3753-50-LGIZ is a high-efficiency, wide-input-range DC-DC ZVS Buck-Boost switching regulator that delivers up to 50V output voltage in a compact LGA surface-mount package, integrating the controller, power switches, and support components into a single high-density module. It is part of Vicor's Picor PI3753 family of ZVS buck-boost regulators designed for point-of-load and distributed power architectures. Key specifications include a wide operating input range up to 50V, high switching frequency with ZVS (zero-voltage switching) topology, and integrated power MOSFETs that eliminate the need for external switches. A ZVS buck-boost regulator is a type of DC-DC switching converter that uses zero-voltage switching to minimize switching losses and electromagnetic interference. It can step the input voltage up or down (buck-boost topology), making it suitable for systems where the input rail varies above and below the required output. Within the broader power converter hierarchy, ZVS buck-boost regulators sit between traditional hard-switched buck converters and isolated DC-DC modules, offering higher efficiency than PWM regulators while supporting bidirectional voltage conversion. Key features include ZVS switching for high efficiency across the load range, integrated controller + power switches + passive support components, wide input voltage operation, small LGA land-grid-array package for high power density, and minimal external component count. The integrated topology allows designers to achieve power conversion with only input/output capacitors and feedback components external to the module. The PI3753 architecture uses Vicor's proprietary ZVS topology with adaptive dead-time control, achieving soft-switching across the operating range. This topology reduces switching losses compared to traditional hard-switched buck/boost converters and enables high-frequency operation, which shrinks the required inductor and capacitor energy storage. Integrated power MOSFETs and the controller reduce loop-area parasitics and improve transient response. Typical applications include distributed power architectures, point-of-load regulation, telecom and networking equipment, industrial automation systems, battery-powered portable devices, and high-density computing platforms. The wide input range makes the part well-suited for 24V industrial buses and 48V telecom rails where the input may vary significantly. When designing with this part, ensure that the input and output capacitors meet the datasheet ESR and ripple-current ratings; insufficient decoupling can cause instability. Adequate thermal management is also critical - although the module integrates the switches, total power dissipation scales with (VIN - VOUT) * IOUT at low VIN, so thermal copper must be sized accordingly. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond the manufacturer datasheet to help engineers evaluate and apply the PI3753-50-LGIZ quickly.
PI3754-00-LGIZ - Wide-Input ZVS Buck Regulator SiP | Vicor
The Vicor PI3754-00-LGIZ is a high-efficiency, wide-input-range DC-DC ZVS (Zero-Voltage Switching) Buck regulator integrated as a System-in-Package (SiP). It combines a ZVS controller, power MOSFET switches, and supporting passive components into a single surface-mount LGA module, delivering up to 60 W of output power with best-in-class efficiency for point-of-load applications. The part number suffix "LGIZ" denotes the land-grid-array LGA package variant supplied in tape and reel for high-volume assembly. A buck regulator is a switched-mode DC-DC converter that steps a higher DC input voltage down to a lower regulated DC output voltage. Buck regulators sit within the broader power-management hierarchy: switching regulator -> DC-DC converter -> power management IC -> semiconductor. ZVS (Zero-Voltage Switching) is a soft-switching technique that switches the high-side MOSFET when its drain-to-source voltage is approximately zero volts, dramatically reducing switching losses and EMI compared with hard-switched PWM converters. The PI3740/PI3754 family uses this ZVS topology to deliver high efficiency across the entire load range. Key features include a wide 8 V to 60 V input voltage range, a 24 V nominal output that can be adjusted downward with an external resistor divider, switching frequencies in the MHz range for small passive components, and parallel capability with single-wire current sharing for higher-power rails. The SiP integration eliminates parasitic inductance between the controller and the power FETs, allowing clean switching edges and reducing PCB real-estate. The LGA module also exposes the thermal pad to internal copper heat-spreading, supporting high continuous power without external heatsinks in many applications. Typical applications include 48 V telecom point-of-load conversion, industrial 24 V bus regulation, battery-powered equipment requiring a regulated intermediate rail, and distributed power architectures where high-density SiPs simplify board layout. Compared with discrete buck designs, the PI3740/PI3754 family reduces BOM count, shrinks solution size, and shortens design time. When designing with the PI3754-00-LGIZ, follow Vicor's recommended analog / power / ground layout partitioning from the datasheet to maintain noise isolation between the sensitive analog feedback path and the high-di/dt power loop. Decouple the input with low-ESL/ESR ceramic capacitors placed as close as possible to the VIN pins, and respect the minimum output capacitance specified for control-loop stability. This page synthesizes distributor pricing, drop-in Vicor-family alternatives, and practical layout guidance not all collected in one place on the manufacturer datasheet, giving engineers a faster path from selection to prototype.
PI3755-01-LGIZ - 38-60V ZVS Buck-Boost 160W | Vicor
The Vicor PI3755-01-LGIZ is a high-efficiency, wide-input-range 160 W ZVS Buck-Boost regulator housed in a 71-pin LGA (LGA-71) System-in-Package (SiP) that integrates the controller, power switches, and most support components into a single high-density module. Operating from 38 V to 60 V input, it delivers a 124.2 W regulated output in a buck-boost topology and is rated for a continuous power of 160 W. The module requires only an external inductor and a minimal number of ceramic capacitors to complete a switching-mode buck-boost regulator, dramatically reducing external BOM size and engineering effort. A buck-boost regulator is a non-isolated DC-DC converter that can step an input voltage either up (boost) or down (buck) to produce a regulated output that may sit above, below, or equal to the input rail. Within the broader hierarchy of DC-DC converters -> switching regulators -> power management ICs (PMICs) -> semiconductors, the PI3755-01 sits alongside Vicor's larger family of ZVS buck, boost, and buck-boost regulators designed for point-of-load and intermediate bus conversion in distributed power architectures. Key features include Vicor's proprietary Zero-Voltage Switching (ZVS) architecture, which enables high-frequency operation while minimizing switching losses and maximizing efficiency. The ZVS topology sustains high switching frequency up to the rated input voltage, reduces the size of external filtering components, improves power density, and enables very fast dynamic response to line and load transients. Compared with conventional hard-switched converters, the soft-switching behavior of the PI3755-01 keeps switching-related EMI lower and efficiency higher across the operating range. The PI3755-01 is part of the PI37xx Cool-Power ZVS regulator family, all of which use the same System-in-Package building blocks. The high integration, tight control loop, and high switching frequency make the part well-suited to applications that demand compact point-of-load conversion in telecom, industrial, and high-density computing environments where intermediate 48 V bus distribution is common and 12 V/24 V/36 V loads need efficient conversion. Typical applications include 48 V telecom intermediate bus conversion, industrial 48 V robotics and motor drives, high-end computing and graphics-card auxiliary rails, and distributed power architectures stepping 48 V down to 24 V or 12 V. Designers typically place the PI3755-01 directly at the load to take advantage of its high power density and fast transient response. A key design consideration is thermal management: although the SiP is highly integrated, dissipating up to ~36 W of loss at full 160 W load still requires a substantial PCB copper pour or heatsink to keep the LGA junction-to-ambient thermal resistance within the datasheet limits. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the standalone manufacturer datasheet.
PI3755-02-LGIG - 38-60V 160W ZVS Buck-Boost Regulator | Vicor
The Vicor PI3755-02-LGIG is a high-efficiency, wide-input-range DC-DC ZVS (Zero-Voltage Switching) Buck-Boost switching regulator module rated for 160 W output power in a 71-ball LGA (10x10 mm) surface-mount package. It accepts a 38 V to 60 V input and delivers an adjustable positive output between 28 V (minimum fixed) and 54 V at up to 160 W, integrating the controller, power switches, and all support components into a single high-density Cool-Power module. The -LGIG industrial grade variant is rated for an operating temperature of -40 °C to 125 °C per the Vicor LGA product line convention. A ZVS Buck-Boost regulator is a member of the switched-mode power supply (SMPS) family that combines the topology of a synchronous buck (step-down) and synchronous boost (step-up) converter so the output voltage can sit above, below, or equal to the input without topology change. In the system hierarchy this part sits between a discrete DC-DC converter and a fully-integrated power module: it is fully self-contained, requiring only input/output capacitors and a feedback resistor divider, while still presenting the electrical interface of a switching regulator IC to the host PCB. Vicor's proprietary ZVS topology eliminates the hard-switching losses that limit conventional hard-switched converters at high frequency, enabling high efficiency across the 38-60 V telecom/datacom input range. Key features include 1.5 MHz switching frequency, an adjustable output up to 54 V, integrated MOSFET power stage, and built-in protection for over-current, over-temperature, and input under-voltage. The ZVS topology achieves best-in-class power efficiency for point-of-load applications and dramatically reduces switching-noise EMI compared to hard-switched alternatives. The Cool-Power LGA package provides a low-profile, surface-mount footprint compatible with standard reflow processes. Typical applications include 48 V telecom point-of-load regulation, distributed power architectures, industrial 48 V bus systems, LED signage and display drivers, and high-current downstream POL conversion from a 48 V or 54 V backplane. The wide input range makes it particularly suitable for nominal 48 V systems with tolerance excursions up to 60 V. When designing with this part, observe Vicor's recommended input capacitor ESR and PCB layout guidelines to maintain ZVS operation; poor layout can defeat the soft-switching benefit and degrade efficiency. Thermal design must account for the 10x10 mm LGA land pattern and any required thermal vias to internal copper pours. This page synthesizes distributor pricing, parametric drop-in alternatives from the Vicor Cool-Power family, and practical design notes not found in the manufacturer datasheet.
PI3756-00-LGIZ - 200W ZVS Buck-Boost DC-DC Regulator | Vicor
Vicor PI3756-00-LGIZ is a high-efficiency, wide-input-range DC-DC ZVS Buck-Boost switching regulator module rated for 200W output power. The part integrates a high-performance Zero-Voltage Switching (ZVS) controller with power switches and support components in a single high-density surface-mount package, operating from 38V to 60V input and delivering 28V to 60V output at up to 5A. It requires an external 5V bias on the VDR pin, an external inductor, a resistive feedback divider, and a small number of bypass capacitors to form a complete buck-boost converter. A buck-boost regulator is a switched-mode power conversion topology that produces an output voltage either above or below the input rail, allowing designers to power downstream loads from variable or intermediate bus voltages where neither a pure buck nor a pure boost could maintain regulation. Within the broader power conversion taxonomy, the PI3756-00 belongs to the ZVS Buck-Boost family of isolated/non-isolated point-of-load regulators, which itself sits below DC-DC switching regulators and the wider power management IC category. Vicor's Cool-Power ZVS portfolio targets high-density point-of-load applications where PCB area, efficiency, and thermal performance are simultaneously constrained. Key features of the PI3756-00-LGIZ include a wide 38V-60V input range, 28V-60V adjustable output range, 5A continuous output current capability, integrated ZVS topology for reduced EMI and high efficiency, and a small LGA surface-mount footprint suitable for high-density point-of-load designs. The integration of controller and power switches minimizes external component count, while the ZVS architecture minimizes switching losses and improves thermal performance across the operating range. Technically, the PI3756-00-LGIZ uses Vicor's proprietary ZVS topology to switch the power MOSFETs at zero voltage, dramatically reducing switching losses and allowing high-frequency operation. The integration of the high-side and low-side switches, the controller, and the support components on a single silicon substrate enables compact layouts and predictable performance. This architecture is well suited to high-current point-of-load applications in 48V nominal distributed power architectures common in telecom, computing, and industrial systems. Typical applications for this part include 48V point-of-load regulation in telecom and networking equipment, intermediate bus conversion in distributed power systems, industrial 48V rail regulation, high-efficiency LED driver front-end conversion, and battery voltage stabilization in 48V battery-backed systems. Designers typically pair the PI3756-00 with downstream Vicor or third-party point-of-load converters to power FPGAs, processors, ASICs, and high-speed digital ICs. When designing with this device, follow Vicor's reference layout in the datasheet closely, including the placement of input/output capacitors, the external inductor selection, and the thermal via array beneath the LGA package. Failure to follow the recommended layout can degrade efficiency, increase EMI, and cause thermal shutdown. The 5V VDR bias must be applied before or coincident with VIN to avoid start-up faults. This page synthesizes distributor pricing, drop-in alternatives within the Vicor Cool-Power ZVS Buck-Boost family, and practical design notes that complement the manufacturer datasheet and are not found on distributor catalog pages.
PI3USB9281CGEEX - USB Charger Detection IC | Diodes Inc
The Diodes Incorporated PI3USB9281CGEEX is a USB port protection IC with integrated charger detection, provided in a compact 15-pin X1-WLB2015-15 CSP package measuring 1.5 x 2.0 mm, designed for mobile communications power management applications. A USB charger detection and port protection IC is a power management device that sits between a USB connector and a portable system. It identifies what type of device or charger is attached to the USB port - such as standard downstream ports, dedicated charging ports, MHL accessories, OTG accessories, and car chargers per the CEA936 specification - and reports the result to the host processor so charging current can be set safely. According to Diodes Incorporated, the PI3USB9281C provides external detection for any USB device and can detect the various chargers available in the market, MHL accessories, OTG accessories, and car chargers per the CEA936 spec. The device also integrates a power switch with over-voltage and over-current protections. The VBUSIN input pin can tolerate voltages up to 28V, which is important for USB3.0 Power Delivery enabled systems where voltage transients on VBUS can occur. The integrated over-voltage protection blocks damaging voltages from reaching the sensitive system rail, while over-current protection limits fault current during short-circuit events. The tiny 1.5 x 2.0 mm wafer-level CSP footprint makes the PI3USB9281CGEEX well suited to space-constrained smartphone, tablet, and wearable designs where board area is at a premium. Typical applications include smartphone and tablet USB port front-end protection, portable media players, wearable devices, and any battery-powered product that charges from USB sources and must reliably identify charger type. Design considerations include routing VBUSIN with adequate PCB copper to handle the fault current path, and observing the 28V absolute maximum rating on VBUSIN when pairing the part with USB Power Delivery front ends. This page synthesizes distributor pricing from LCSC, DigiKey, and Mouser, drop-in alternative guidance, and practical design notes not found in the manufacturer datasheet, helping engineers shorten component selection cycles.
PI3USB9281CXWEX - USB Port Protection & Charger Detect | Diodes Inc.
The Diodes Incorporated PI3USB9281CXWEX is a USB port protection IC with integrated charger detection, housed in a 20-pin UQFN (3x4 mm) exposed-pad package, providing 28V-tolerant VBUSIN input and an integrated power switch with over-voltage and over-current protection for USB 2.0 ports. A USB port protection IC belongs to the power management IC family and sits between the USB connector and the system power path. Its role is to detect what type of device or charger is attached to the USB port, configure the charging current accordingly, and protect the upstream power rail from fault conditions such as over-voltage, over-current, and short circuits. In the system hierarchy, it functions as a specialized power management IC combining analog detection circuitry with a protected power switch. Key features include charger detection for the wide variety of chargers on the market, MHL accessory and OTG accessory detection, car-charger detection per the CEA936 specification, and an integrated power switch with over-voltage and over-current protection. The VBUSIN pin tolerates voltages up to 28V, which is critical for systems supporting the USB 3.0 PowerDelivery specification where VBUS can reach 20V. The PI3USB9281C family operates over a temperature range up to +85C, using an integrated detection state machine that enumerates the attached accessory type and reports it to the system controller, allowing the host to negotiate appropriate charging profiles without user intervention. Typical applications include smartphones, tablets, digital cameras, and notebooks with integrated Li-ion batteries that charge via USB connectors - exactly the portable and consumer applications cited in the manufacturer datasheet. When designing with this device, place the protection switch close to the USB connector and ensure the PCB can handle the configured charge current; verify fault-response behavior against the manufacturer datasheet for your specific VBUS transients. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
PKS604YN - 23W/44W Peak Offline Flyback Switch IC | Power Integrations
The Power Integrations PKS604YN is an intelligent offline flyback switcher housed in a TO-220-7C (6-lead, formed-leads) package. Designed for AC-DC power conversion, the device integrates a 700 V power MOSFET, oscillator, and protection circuitry on a single die, and operates from an offline (85-265 VAC) rectified DC input to deliver 23 W continuous and 44 W peak output power in open-frame applications, or 35 W continuous and 56 W peak in an enclosed adapter. The integrated switcher uses a fixed-frequency flyback topology switching at 277 kHz, eliminating the need for a separate PWM controller and reducing the external component count. According to Power Integrations' product family specifications, the PKS604YN family targets appliance, industrial, and auxiliary power applications where compact PCB area, robust protection, and reliable high-voltage isolation are critical. An offline flyback switcher IC is a type of AC-DC power supply controller that directly rectifies the AC mains and switches a high-voltage primary MOSFET to transfer energy through a transformer to an isolated secondary output. Compared to general-purpose PWM controllers, offline switchers integrate the power MOSFET, current-limit, and over-temperature protection blocks, simplifying EMI design and shrinking the bill of materials. They sit at the bottom of the power management hierarchy: AC-DC converter -> offline flyback switcher -> power management IC -> semiconductor device. The 700 V MOSFET rating provides substantial margin against line transients on universal-input mains (85-265 VAC). The 277 kHz switching frequency allows use of a small, low-profile transformer and small input/output filter capacitors. The IC embeds auto-restart protection for short-circuit, over-current, and over-temperature faults, allowing the converter to recover without external intervention. The TO-220-7C package with formed leads offers through-hole mounting with high creepage clearance for reinforced isolation, which is important for universal-input designs. A typical application circuit uses a bridge rectifier, bulk capacitor, transformer, secondary diode, and TL431/optocoupler feedback network. The high level of integration reduces PCB area by up to 50 percent versus discrete implementations, making the PKS604YN well-suited for compact sealed adapters and auxiliary supplies. Compared to discrete UC3842 + MOSFET designs, the integrated switcher shrinks the BOM, lowers standby power, and provides built-in fault handling. The device's frequency-modulation and PWM control produce low EMI, simplifying compliance with EN55022 and FCC Class B limits. Typical applications include appliance power supplies, white-goods controllers, industrial auxiliary supplies, standby rails for white goods, IoT gateways, and LED driver auxiliaries. When using this part, observe the recommended minimum bulk-capacitor voltage rating for 265 VAC operation, provide adequate heatsinking through the TO-220 tab, and place the Y-capacitor and transformer shield per Power Integrations' reference design to meet EMI limits.
PM450CGC060 - 450A 600V IPM Power Module | Mitsubishi Electric
The Mitsubishi Electric PM450CGC060 is a 450 A, 600 V Intelligent Power Module (IPM) from the G-series, integrating a three-phase IGBT inverter bridge with isolated gate drivers and protection circuitry in a flat-base, insulated package designed for industrial motor drives. An Intelligent Power Module (IPM) is a highly integrated power semiconductor that combines the IGBT switching devices, anti-parallel freewheeling diodes, gate drive circuits, and multi-channel protection (short-circuit, over-temperature, under-voltage) inside one isolated housing. The IPM sits in the power electronics hierarchy between discrete IGBT modules and full digital inverter platforms, simplifying the design of three-phase PWM inverters by eliminating the need for separate gate drivers and external protection logic. Key features of the PM450CGC060 include a 600 V collector-emitter voltage rating, 450 A nominal output current per phase, low-loss third-generation planar IGBT technology, soft Vce(sat) characteristics, and built-in short-circuit, over-temperature, and under-voltage lockout protection. The module uses an insulated metal substrate with a flat-base mounting structure for direct heatsink attachment, providing low thermal resistance between the chip junction and the cooling surface. The internal architecture uses Mitsubishi's CSTBT (Carrier-Stored Trench-gate Bipolar Transistor) technology, which optimizes the trade-off between conduction loss and switching loss. An integrated HVIC gate driver allows direct logic-level PWM input from 3 A microcontroller or DSP, eliminating the need for opto-coupler isolation in many designs. The on-board thermistor enables real-time junction temperature monitoring for derating and predictive maintenance. Typical end-use applications include general-purpose AC motor drives (VFDs), industrial servo amplifiers, uninterruptible power supplies (UPS), and solar/renewable power inverters. It is also used in HVAC compressor drives, elevator motor controllers, and welding power conversion stages where high reliability and compact integration are required. When designing with the PM450CGC060, ensure the DC bus capacitance is sized to limit ripple and provide sufficient energy during short-circuit events. Use a symmetrical gate-driver layout with short, twisted control wiring, and follow the creepage/clearance guidelines in the datasheet for the AC mains side of the system. This page combines the verified manufacturer datasheet parameters with cross-brand reference data and pricing examples, offering engineering context beyond what is included in the original Mitsubishi datasheet document.
PM8800A - IEEE 802.3af PoE-PD Controller with PWM | ST
The STMicroelectronics PM8800A is an integrated IEEE 802.3af compliant Power over Ethernet (PoE) powered device (PD) interface combined with a current mode PWM controller, housed in a 16-pin HTSSOP package. It accepts input voltages up to 100 V (absolute maximum -0.3 V to 100 V per the FindIC product overview) and supports 1-channel PoE power conversion. A PoE powered device interface is the front-end circuit that detects, classifies, and connects a device drawing power from an Ethernet cable, while a PWM (pulse width modulation) controller governs the switching converter that transforms the extracted PoE voltage into the system's working rails. Together, these functions form the core of the power-management hierarchy in any 802.3af-powered end equipment such as IP cameras, wireless access points, and VoIP phones. Key features of the PM8800A include full IEEE 802.3af compliance for detection and classification, integration of the PD interface hot-swap MOSFET control, and a current mode PWM modulator for tight cycle-by-cycle current control. Current mode control simplifies loop compensation, gives inherent cycle current limiting, and improves line transient response compared with voltage mode schemes. Technically, the PM8800A is a monolithic device: ST embeds the PoE PD handshake logic (detection, classification, inrush limiting) and the switching controller on a single die, reducing external component count and board area versus a two-chip discrete solution. The 16-HTSSOP power package provides an exposed thermal path for dissipating switching and conduction losses in enclosed PoE equipment. Typical applications include IEEE 802.3af powered devices such as network security cameras, 802.11 wireless access points, IP telephones, and any Ethernet-connected equipment where the device design must pass PoE PD conformance requirements while generating regulated low-voltage rails from the extracted cable power. A key design consideration is that the PM8800A additionally supports operation from an external (auxiliary) power source, allowing wall-adapter powered operation to take over from PoE cleanly. Ensure the external source switchover circuitry respects the PD interface timing so the PSE does not disconnect the port. This page synthesizes distributor pricing from DigiKey, Mouser, LCSC and Octopart, drop-in alternative data, and practical design notes not consolidated in the manufacturer datasheet.
PM8805TR - IEEE 802.3bt PoE-PD Controller 57V 2A | STMicroelectronics
The STMicroelectronics PM8805TR is an IEEE 802.3bt Power over Ethernet (PoE) powered device (PD) interface and power system-in-package delivering up to 99.9 W, with a 57 V input rating, 2 A hot-swap output current capability, 33.5 V UVLO threshold, and a 43-pin VFQFPN (8x8 mm) exposed-pad package. A PoE powered device interface is the front-end circuit in any Ethernet-powered equipment that negotiates and extracts power from the PoE link. Within the power-management hierarchy, it sits above the raw powered line and below downstream DC-DC converters: it performs detection, classification, inrush control and isolation before local regulators take over. The PM8805 integrates this interface as a system in package, dramatically reducing external component count. Key features include dual embedded active bridge rectifiers with their own gate driving circuitry, an integrated charge pump to drive high-side hot-swap MOSFETs, a fully compliant 802.3bt PD interface supporting Type 3 and Type 4 power classes, and hot-swap protection. Because the bridge, hot-swap switch and PD controller share one package, board area and BOM cost shrink versus discrete solutions. Technically, the active bridge eliminates the four-schottky-diode rectifier front end, cutting conduction losses and improving overall power conversion efficiency for high-power 802.3bt deliveries. The controller supports 802.3af, 802.3at (PoE+) and 802.3bt on two channels, with undervoltage lockout at 33.5 V ensuring valid PoE voltage before power-up sequencing begins. Typical applications include IEEE 802.3bt wireless access points, IP security cameras, PTZ domes, network switches, video doorbells and any Ethernet-terminal equipment drawing up to 99.9 W from the powered line. When designing with the PM8805, provide a generous exposed-pad thermal connection on the PCB and observe the datasheet layout guidelines for the hot-swap path to manage inrush current and thermal stress during power classification and startup. This page synthesizes distributor pricing, application guidance, and availability information not found in the manufacturer datasheet, as of 2026-10-19.
POWERSTEP01 - 10A SPI Stepper Motor Driver | STMicroelectronics
STMicroelectronics POWERSTEP01 is a bipolar stepper-motor driver system-in-package with eight integrated N-channel power MOSFETs, an SPI-programmable motion controller, and support for motor supplies up to 85 V. It is designed to combine digital motion control and power-stage integration in an 89-VFQFPN package measuring 11 mm by 14 mm. The verified product data identifies a 10 A power-MOSFET class device with 16 mΩ MOSFETs and SPI programmable control. A stepper-motor driver is a motion-control integrated circuit that converts digital position and speed commands into controlled current through the phases of a stepper motor. POWERSTEP01 belongs to the motor-driver and power-management hierarchy: it combines a programmable controller, gate-drive functions, eight N-channel MOSFETs, and protection circuitry. This integration reduces the number of external power components while retaining digital control over speed profiles and positioning calculations. The key feature set centers on the integrated eight-MOSFET power stage, each specified at 16 mΩ in the manufacturer description. The SPI interface allows a host controller to configure motion behavior and retrieve or manage operating functions digitally. The device is intended for demanding motor-control applications where integration, high-voltage operation, and programmable positioning are valuable. Because the package also contains power semiconductors, thermal design, current derating, PCB copper, and motor-supply filtering remain essential. The manufacturer describes POWERSTEP01 as a system-in-package integrating a microstepping controller and 10 A power MOSFETs. Its programmable motion architecture supports speed-profile generation and positioning calculations rather than relying solely on a fixed external step-generation sequence. This makes it suitable for systems where the host processor needs flexible motion configuration, repeatability, and compact implementation. Typical applications include automated machinery, laboratory equipment, CNC and positioning stages, robotics, printers, and industrial motion modules. In each case, the device can sit between a digital controller and a bipolar stepper motor while the motor supply supplies the higher-voltage power domain. The low-voltage logic interface remains distinct from the motor bus, allowing careful isolation, grounding, and signal-integrity design. For implementation, follow the manufacturer datasheet for the exact pinout, electrical limits, thermal conditions, protection thresholds, and recommended PCB layout. Do not assume that a 10 A classification permits 10 A continuously in every motor or ambient condition. The verified information does not provide detailed timing, current-limit, protection-threshold, or package-performance values, so those parameters remain [DATA_NEEDED] and must be confirmed from the datasheet. This page consolidates the verified manufacturer and distributor references, separates confirmed POWERSTEP01 specifications from missing parameters, and provides practical selection and integration guidance for engineers evaluating the device in high-voltage stepper-motion systems.
POWERSTEP01TR - 10A 85V Stepper Motor Driver SPI | STMicro
The STMicroelectronics POWERSTEP01TR is a system-in-package bipolar stepper motor driver integrating a microstepping controller and 8 N-channel 16 mOhm power MOSFETs rated up to 85 V and 10 A, housed in an 89-pin VFQFPN (11x14 mm) exposed-pad package. A stepper motor driver is a power management device that converts digital step and direction commands into precisely sequenced phase currents in a bipolar stepper motor. Within the motion control hierarchy, it sits between the host MCU and the motor windings, replacing discrete gate drivers, MOSFET bridges, and current-sense circuitry with a single SPI-configurable IC. Key features include full digital motion control through speed profile generation and positioning calculations performed on-chip, SPI programmability of all operating parameters, an operating supply range of 7.5 V to 85 V, and up to 10 A output current capability. The integrated 16 mOhm MOSFETs minimize conduction losses, while advanced current control and protection features (overcurrent, thermal) improve system reliability. Technically, the powerSTEP01 executes microstepping current control autonomously, offloading the host processor from real-time phase sequencing. The SPI interface allows configuration of step mode, phase current, acceleration and deceleration profiles, and stall/limit thresholds, simplifying firmware compared to external-step-input drivers. Typical applications include CNC machines, 3D printers, industrial automation, robotics, and textile or packaging machinery, wherever high-current bipolar stepper motors require quiet, accurate microstepping under MCU supervision. Design consideration: the 89-VFQFPN package dissipates significant power at 10 A; the exposed pad must be soldered to a large copper pour or heatsink, and thermal performance must be validated at maximum load. This page adds value beyond the datasheet by synthesizing distributor pricing, package data, and application guidance in one reference.
PS21563-SP - 600V/10A Mini-DIP IPM, 3-Phase IGBT Inverter | Powerex
The Powerex PS21563-SP is a 600V/10A Mini-DIP Intelligent Power Module (IPM) integrating a 5th-generation low-loss three-phase IGBT inverter bridge, high-voltage gate drivers, and comprehensive protection circuitry in a compact dual-in-line transfer-molded package. The module delivers up to 10A continuous collector current at 600V and provides open-emitter outputs designed for small three-phase motor drive applications. With 2500Vrms isolation voltage and built-in HVIC drivers, the PS21563-SP eliminates the need for external gate drive optocouplers and significantly reduces inverter design time. What is an Intelligent Power Module? An IPM (Intelligent Power Module) is a highly integrated hybrid power device that combines IGBT switches, anti-parallel diodes, gate drive HVICs, and fault protection logic in a single transfer-molded package. IPMs sit within the broader hierarchy: power semiconductor -> power module -> IPM -> inverter power stage. They are widely used to shrink PCB area, reduce EMI, and improve reliability compared to discrete IGBT + driver solutions, because the gate drive timing and protection thresholds are pre-engineered by the silicon vendor. Key features of the PS21563-SP include 600V collector-emitter voltage rating, 10A continuous output current per phase, 20A peak output current capability, and built-in protections for short-circuit (SC), under-voltage lockout (UVLO) on each control supply, and over-temperature shutdown. The control logic is 3.3V/5V CMOS-compatible, allowing direct interface with microcontrollers and DSP motor-control peripherals. The 25-pin Mini-DIP transfer-mold package provides 2500Vrms isolation and is optimized for PCB-mount inverter designs where heatsinking is via the mounting base. Architecturally, the PS21563-SP uses 5th-generation IGBT technology with a CSTBT (Carrier-Stored Trench-Gate Bipolar Transistor) structure, achieving lower VCE(sat) and switching losses than prior generations. Each phase leg includes an integrated bootstrap diode and floating supply architecture, allowing a single +15V control rail to drive all three high-side IGBTs through the internal charge pumps. The open-emitter configuration supports both sensored (FOC) and sensorless BLDC/PMSM control algorithms. Typical applications include small three-phase motor drives such as washing machine drum motors, refrigerator compressors, fan and pump inverters, small HVAC blowers, and industrial servo drives up to 750W. The wide control supply range (13.5V to 16.5V) makes it tolerant of regulated 15V rails in industrial 24V bus systems. Design considerations include keeping the P-N1 snubber loop short (≤0.1-0.22μF snubber recommended), placing a 24V/1W Zener diode on each control supply terminal for surge protection, and providing sufficient copper pour on the module base for thermal dissipation (typical Rth(j-c) requires heatsink at sustained loads above 5A). This page synthesizes distributor pricing, Mini-DIP IPM drop-in alternatives from the Powerex/Mitsubishi SuperMini DIP family, and practical layout guidance not aggregated in the manufacturer datasheet.
PSSI2021SAY115 - 50mA Constant Current Source SOT-353 | Nexperia
The Nexperia PSSI2021SAY115 is a resistor-equipped PNP transistor integrated with two diodes on a single die, packaged in a 5-lead SOT-353 (SC-88A, UMT5) surface-mount housing, and function as a programmable constant current source. According to the Nexperia product page, it delivers a stabilized output current between 15 uA and 50 mA by selecting one external resistor between pins 4 and 5, with a maximum supply input of 75 V and a total power dissipation of 335 mW. The device is supplied on Tape & Reel (115 suffix) and is RoHS compliant, making it suitable for high-density automated assembly. A constant current source is a fundamental building block in modern electronics that delivers a load current independent of supply voltage, temperature, and load impedance variations. The PSSI2021SAY115 belongs to the discrete semiconductor family of current regulators, which sit hierarchically under transistors, then semiconductor devices. By integrating the bias resistor and two steering diodes together with the pass transistor on one chip, Nexperia eliminates the need for multiple discretes, reduces PCB area, and improves matching between the reference diodes and the PNP base-emitter junction. This integration delivers better temperature coefficient than discrete equivalents because the on-chip elements track each other across temperature. Key features include a wide programmable output range from 15 uA to 50 mA, a high 75 V input voltage rating for direct connection to industrial rails, low temperature drift due to monolithic construction, and a miniature SOT-353 footprint measuring only 2.0 x 1.25 mm. The device requires no additional bias network beyond the single external resistor, simplifying BOM and reducing design risk. Architecturally, the PSSI2021SAY115 uses the base-emitter junction of the PNP transistor as the reference element, with the two series diodes compensating the VBE temperature coefficient. The external resistor sets the reference current through the diodes, which is then mirrored to the output through the PNP pass transistor, providing the regulated load current. This topology provides stable biasing even at low output currents where discrete designs typically struggle. Typical applications include LED driver circuits, biasing of sensor bridges, precision reference currents for instrumentation amplifiers, battery chargers, and active loads. The SOT-353 package makes it particularly suitable for compact portable designs and high-density PCB layouts where board area is at a premium. When designing with this device, ensure the external resistor has a tolerance of 1% or better and adequate voltage rating. Power dissipation is calculated as (Vin - Vload) multiplied by Iout; verify this against the 335 mW maximum rating. The output pin should be decoupled with a small capacitor if driving fast transient loads to prevent oscillation. This page synthesizes distributor pricing, drop-in SOT-353 alternatives, and practical design notes that supplement the manufacturer datasheet, supporting both parametric searches and engineering reference workflows.
PTH04T241W - 10A, 2.2-5.5V Input POL Power Module | TI
The Texas Instruments PTH04T241W is a 10-A rated, non-isolated point-of-load (POL) DC-DC converter power module operating from a 2.2V to 5.5V input with a wide adjustable output of 0.69V to 3.6V, set by a single external resistor. The module is optimized for all-ceramic output capacitor designs and belongs to the second generation of the popular PTH series, offering a reduced footprint and additional features over the original family. A non-isolated power module is a complete DC-DC converter that integrates the PWM controller, power MOSFETs, inductor, and compensation network into a single surface-mount package, delivering a regulated output without galvanic isolation. Such modules sit within the voltage regulator hierarchy, specifically the buck (step-down) DC-DC converter family of power management ICs, and dramatically reduce design time versus discrete converter implementations. Key features include up to 96% efficiency, a total output voltage variation of only plus/minus 1.5%, and TurboTrans technology, which lets a single resistor tailor transient response and reduce required output capacitance. Remote sense, output voltage sequencing, and under-voltage lockout support reliable multi-rail systems. Internally, the PTH04T241W uses a synchronous buck topology with integrated MOSFETs and fixed-frequency PWM control. The TurboTrans control loop optimization allows engineers to meet aggressive load-step requirements typical of modern processors without oversizing capacitors, while the all-ceramic-capacitor optimization lowers ESR-related losses and improves long-term reliability since ceramic capacitors do not wear out like electrolytics. Typical applications include powering DSPs, FPGAs, ASICs, and microprocessors in networking, telecom, and data-communication equipment, where 3.3V or 5V intermediate buses must be stepped down to low core voltages at ampere-level loads. The compact footprint suits space-constrained line cards and blades. When designing, size the TurboTrans resistor to the expected load transient, follow datasheet input/output capacitor recommendations, and account for thermal dissipation at high output current using adequate PCB copper area.
PTH05050WAZ - 6A 5V-In Wide-Output Adjust PoL Module | Texas Instruments
The Texas Instruments PTH05050WAZ is a 6 A, 5 V-input non-isolated wide-output-adjust Power Module with Auto-Track sequencing, packaged in a 6-pin DIPMODULE (EUV) surface-mount form factor. It accepts a 4.5 V to 5.5 V input and produces an adjustable output from 0.8 V to 3.6 V at up to 6 A continuous load, delivering 21.6 W of output power with efficiencies as high as 95 percent and a power density of 135 W/in³. The 'Z' suffix designates a Pb-free, RoHS-compliant surface-mount termination suitable for lead-free reflow. A non-isolated Point-of-Load (PoL) DC-DC module is a fully integrated switching converter that mounts directly next to a load on the same printed circuit board as its load IC, eliminating the intermediate bulk converter stage and the parasitic losses of long power-trace runs. PoL modules sit within the broader hierarchy of DC-DC converters, which in turn belong to the power management semiconductor category that converts and regulates voltage rails in distributed power architectures. Key features of the PTH05050WAZ include pre-bias start-up for safe paralleling with other supplies, an output ON/OFF inhibit input, Margin Up/Down control pins for board-level testing, Auto-Track sequencing that lets multiple modules ramp together or track an external rail, and the surface-mount through-hole DIPMODULE footprint that combines low-inductance SMT pads with mechanical through-hole pins. The wide-output-adjust range (0.8 V to 3.6 V) covers the core voltages of modern DSPs, FPGAs, ASICs, and DDR memory rails. Architecturally, the PTH05050WAZ is built around a synchronous buck topology with integrated power MOSFETs, a power inductor, and control IC all inside the module body. This integration removes the need for external magnetics design and significantly reduces radiated EMI by keeping the high-di/dt loop inside the package, while still delivering high efficiency across the 4.5 V to 5.5 V nominal 5 V intermediate bus. Typical applications include 5 V intermediate-bus architectures powering low-voltage DSPs, FPGAs, ASICs, and DDR memory; telecom and networking line cards requiring sequenced multi-rail power; industrial controllers and distributed-power systems; and any board that needs a compact, high-efficiency point-of-load converter with sequencing and margining built in. When designing with this part, follow the manufacturer's recommended input/output capacitor values, sequence rails using Auto-Track, and pay attention to derating at high ambient temperatures above 55 °C. The PTH05050WAZ is a member of the well-known TI PTH/POL family, making it drop-in compatible with several 6 A, 5 V-input siblings.
PTH05T210W - 30A, 5V Input PoL Power Module | Texas Instruments
The Texas Instruments PTH05T210W is a high-performance 30-A rated, non-isolated point-of-load (PoL) DC-DC converter power module using a multi-phase switch-mode topology. It operates from a 4.5V to 5.5V input and delivers a wide adjustable output voltage from 0.7V to 3.6V, targeting low-voltage, high-current loads in space-constrained systems. This second-generation PTH-series module offers a reduced footprint and improved features over the original PTH family. A non-isolated PoL module is a type of DC-DC converter (part of the broader voltage regulator / power management IC hierarchy) that steps a distribution rail down to a regulated low voltage close to the load, without galvanic isolation. It integrates the controller, power MOSFETs, inductor, and loop compensation into one packaged module, replacing dozens of discrete components and dramatically shortening power-supply design cycles. Key features include TI's proprietary TurboTrans technology, which lets designers optimize transient response and reduce required output capacitance, and Auto-Track sequencing for controlled power-up/down of multiple modules. Output voltage adjust is accomplished with a single external resistor, and the module provides remote sense for tight load regulation plus a power-good flag for system supervision. Multi-phase operation achieves high efficiency (typically around 96% for 5V-in to 3.3V-out per TI data) while minimizing output ripple. Architecturally, the multi-phase topology interleaves switching channels so ripple currents partially cancel, allowing smaller magnetics and faster load-transient response than single-phase bucks at 30 A. The open-frame module construction aids airflow cooling in forced-air systems. Typical applications include powering DSPs, FPGAs, ASICs, and microprocessors in telecom, networking, server, storage, and industrial equipment. The 30-A capability and wide output range also fit test and measurement platforms. Design consideration: follow the datasheet input/output capacitance recommendations to maintain stability and transient response; TurboTrans pin settings should be tuned to the actual output capacitor network for best performance.
PVT412PBF - 400V 140mA SPST-NO Photo-Voltaic Relay | Infineon
The Infineon PVT412PBF is a 400 V, 140 mA AC / 210 mA DC single-pole normally-open (SPST-NO, 1 Form A) Photo-Voltaic (PV) solid-state relay (SSR) built on Infineon's HEXFET Power MOSFET photovoltaic-relay technology and housed in a 6-pin DIP (0.300 inch / 7.62 mm) through-hole package. A photovoltaic relay is a semiconductor switching device that uses a stack of optically-driven photovoltaic cells to generate the gate-bias voltage needed to turn on two back-to-back MOSFET outputs, eliminating the need for an external DC bias supply on the load side. Within the broader power-management hierarchy, a PV relay belongs to the solid-state relay family (SSR > Photo-Voltaic Relay > MOSFET-output SSR > semiconductor switch), bridging the gap between optocouplers and full electromechanical relays while offering unlimited on/off cycles and bounce-free switching. Key specifications include a 0 V to 400 V load-voltage range, 140 mA on-state AC current / 210 mA DC, an on-resistance around 35 ohm at full conduction, an off-state blocking voltage of 400 V, and a linear AC/DC input LED drive requirement of approximately 5 mA typical (10 mA max). The output MOSFETs are bidirectional back-to-back N-channel HEXFET die pairs, providing symmetrical AC switching or polarity-insensitive DC switching with no moving parts. Internally, an AlGaAs infrared LED optically couples to a monolithically-integrated photovoltaic cell stack; under forward LED current the PV cells generate ~13 V to gate the output MOSFET pair, producing a clean, low-leakage, bounce-free closure. Because there is no wear mechanism, the relay supports millions of cycles and provides 5 kV input-to-output isolation, making it ideal for telecom line cards, instrumentation multiplexing, and other high-surge environments where electromechanical relays fail prematurely. Typical applications include telecom line-interface cards (SLIC/ringing), instrumentation multiplexing, ATE reed-relay replacement, battery-monitoring multiplexers in 48 V telecom racks, industrial process control, and medical equipment isolation. Its 0-400 V blocking range covers 120/240 VAC mains and 48/60/110/220 VDC battery rails. Designers should ensure input LED current stays within 5 mA typical / 10 mA maximum, add a snubber for inductive AC loads, and observe that pin 1 / pin 2 are the input LED anode/cathode while pins 4 / 6 form the MOSFET output. For surge-sensitive applications, choose the related PVT412L variant which adds active current-limit circuitry for FCC Part 68 compliance. This page consolidates Infineon datasheet specifications, drop-in compatible 6-DIP photovoltaic-relay alternatives, and practical PCB design guidance beyond the datasheet's typical-application figures.
PXE1110CDMG003XTMA1 - Intel VR12.5/VR13 Digital Controller | Infineon
The Infineon Technologies PXE1110CDMG003XTMA1 is a digital dual-output 1+1 phase PWM controller designed for Intel VR12.5 and VR13 CPU voltage regulation applications, delivered in a 40-pin PG-VQFN-40-13 (QFN 5x5 mm) package with exposed thermal pad. It operates from a 3.0V to 3.6V input supply, supports 6 PWM rail outputs, and provides an SVID/I2C/PMBus-compatible digital interface for in-system telemetry, configuration, and dynamic power-state transitions. A digital multiphase VR controller is a power management integrated circuit (PMIC) that uses firmware-driven state machines and loop compensation to regulate multiphase synchronous buck converter outputs for microprocessors. The hierarchy flows from multiphase VR controller -> DC-DC controller -> power management IC -> semiconductor. Digital controllers replace analog PWM loops with on-chip DSP-based control, enabling per-rail telemetry, adaptive voltage positioning, and Intel-defined VR12.5/VR13 power-state protocols for Xeon and Core-class CPUs. Key differentiating features of the PXE1110CDMG003XTMA1 include its 1+1 dual-loop digital architecture, native Intel VR12.5/VR13 SVID protocol support, integrated PMBus 1.2 telemetry, on-chip non-volatile configuration memory, programmable load-line and dynamic VID slew rates, and 6 integrated MOSFET drivers supporting two independent rails. The controller is part of the Primarion family acquired by Infineon and targets compact, high-efficiency server/workstation motherboards. The PXE1110CDMG003XTMA1 is engineered to drive two independent voltage rails (1+1 phase configuration), with each rail capable of multi-phase expansion via external gate drivers and DrMOS power stages. Internal loop compensation is firmware-defined, eliminating external RC components and reducing BOM count. The PG-VQFN-40-13 package exposes a thermal pad that must be soldered to a top-layer copper pour for stable operation under sustained load. Typical applications include Intel VR12.5/VR13 server and workstation CPU core voltage rails, dual-rail point-of-load converters for Haswell/Broadwell/Skylake-SP-era platforms, enterprise motherboard CPU socket power, and high-performance computing nodes where digital telemetry, adaptive voltage positioning, and PMBus monitoring are required. Designers pair the controller with Infineon (formerly International Rectifier) DrMOS stages such as the TDA215xx family. When designing with this part, follow Infineon's reference layout guide: solder the exposed pad to a minimum 1 square-inch copper pour, place the 3.3V decoupling capacitors within 2 mm of the PVCC/VDD pins, and route the SVID/PMBus traces away from switching-node copper to avoid coupling. Designers must also follow the matching external DrMOS datasheet for the gate-drive timing parameters, which are tuned per silicon revision. This page synthesizes distributor pricing, package diagrams, and drop-in alternatives not found on a single manufacturer datasheet - including the Infineon internal part-numbering breakdown so engineers can confirm that PXE1110CDM-G003 is the bare die variant while PXE1110CDMG003XTMA1 is the tape-and-reel shipping form.
PXE1410CDM-G003 - Infineon Digital Multiphase Power Controller
The Infineon Technologies PXE1410CDM-G003 is a digital multiphase DC-DC switching controller in a PG-VQFN-40-13 package, with the verified distributor listing identifying it as a power-management controller for demanding voltage-regulator designs. Its stated function is digital control of external power stages, making it suitable for high-current server, AI accelerator, and telecom rails when paired with compatible Infineon OptiMOS DrMOS devices. The package and device family place it in the controller category rather than the final power-stage category. A digital multiphase controller coordinates multiple PWM power channels to distribute high output current and reduce the burden on any single stage. In a server or accelerator rail, it can receive configuration and telemetry commands through its digital control interface, while the external DrMOS devices perform the high-current switching. The PXE1410CDM-G003 is therefore a controller component whose final converter performance also depends on the selected power stages, inductors, MOSFETs, sensing network, compensation settings, and PCB implementation. The verified data identifies the part as a VQFN-40 device and describes it as a Primarion digital power controller intended for high-current applications. The available snippets also associate the family with adaptive voltage positioning, precision current and temperature telemetry, and interfaces including PMBus or I2C. These features are useful when a power rail requires programmable control, monitoring, and coordinated phase operation, but exact numerical limits, switching frequency, phase count, voltage range, current rating, thermal resistance, and pin-level electrical limits are not supplied in the provided data. Infineon’s PXE1410CDM-G003 is best evaluated as a platform component rather than a standalone regulator. Designers should select compatible external power stages and confirm all controller requirements against the manufacturer datasheet before layout release. The controller’s digital configuration, phase sequencing, current-sense implementation, fault handling, and thermal telemetry must be validated in the complete converter design rather than inferred from distributor category labels. Typical applications include high-current server voltage rails, AI accelerator power delivery, telecom equipment, and other regulated systems requiring multiple synchronized power stages. The principal design trade-off is flexibility versus implementation complexity: digital multiphase control can improve rail scalability and observability, but it demands careful firmware or host configuration, power-stage coordination, compensation, fault-response design, and high-current PCB layout. The most important layout consideration is keeping the controller, sensing paths, gate-drive connections, and power-stage current loops compact and appropriately partitioned. A multilayer board with short high-current paths, low-inductance switching loops, Kelvin current-sense connections, and controlled return paths is generally preferable to a sprawling two-layer implementation. Use the manufacturer’s recommended application circuit and layout guidance before copying a generic reference design. This page consolidates the verified distributor identity, package information, pricing indication, and available source links for PXE1410CDM-G003, while clearly separating confirmed data from parameters that still require datasheet confirmation.
PXE1610CDNG003XTMA1 - 6+1 Phase VR12.5/VR13 Digital Controller | Infineon
The Infineon PXE1610CDNG003XTMA1 is a digital multi-phase PWM controller from Infineon's PRIMARION family designed for Intel VR12.5 and VR13 CPU power delivery. The device integrates a 6+1 phase configuration in a 48-pin VQFN 6x6 mm package and supports the Intel SVID protocol rev 1.7 with PMBus interface for telemetry and configuration. The memory rail output is compliant with Intel DC-DC converter specifications for memory applications, with a regulation range of 0.5V to 2.5V in 10 mV steps and a second rail from 0.25V to 1.52V in 5 mV steps. A digital multiphase controller is a programmable PWM controller that uses firmware-defined loops to regulate multiple output rails simultaneously, typically replacing legacy analog PWM controllers in server and high-end desktop motherboards. Within the broader system hierarchy, this part sits as a power management IC (PMIC) and a special-purpose switching voltage regulator controller, specifically an Intel VR12.5/VR13-compliant device targeting CPU VCORE and memory rails. Key features include per-phase current sensing, dynamic phase shedding, adaptive voltage positioning, and on-chip non-volatile memory for configuration storage. The 6+1 phase topology allows six phases to be paralleled for high-current VCORE rails plus one dedicated phase for the memory or auxiliary rail, supporting multi-rail/multi-phase operation from a single device. The PXE1610 uses a digital control loop with high-resolution DPWM and ADC sampling to maintain tight output regulation under large load transients. The PMBus interface enables platform telemetry such as output current, temperature, and fault status, and supports black-box fault logging for diagnostic purposes during over-current, over-voltage, and over-temperature events. Typical applications include server motherboards, workstation CPUs, high-end desktop CPUs, and Intel VR12.5/VR13 platforms. The part is also referenced in telecom and networking line cards using Intel-compatible CPU sockets and in embedded computing platforms requiring strict VCORE accuracy. When designing with the PXE1610, ensure that the SVID bus is correctly terminated and that the bootstrap capacitors for the high-side gate drivers are sized per Infineon's reference design. Note that this part is intended for direct use with external DrMOS or gate-driver + MOSFET stages, not as a standalone point-of-load regulator. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found on the Infineon product page alone.
PXM1310CDMG003XTMA1 - VR12.5/VR13 Digital 3+1 DDR Controller | Infineon
The Infineon PXM1310CDMG003XTMA1 is a digital dual-output 3+1 phase PWM controller compliant with Intel VR12.5 and VR13 specifications, designed for high-current CPU/GPU core voltage regulation and DDR memory power in server, workstation, and high-end desktop platforms. Housed in a 40-pin PG-VQFN package with exposed thermal pad, it integrates six PWM outputs plus a peripheral rail to manage both the core voltage regulator and the memory subsystem in a single IC. According to the Infineon Primarion datasheet family, the controller pairs with Infineon PowIRstage devices (such as the TDA21472 or TDA21535) to form a complete multiphase synchronous buck solution. A digital multiphase buck controller is a specialized power management IC that uses firmware-configurable loop compensation, telemetry, and adaptive voltage positioning to deliver tightly regulated core voltages to modern processors. Within the broader power management taxonomy, it sits as a DC-DC controller above simple voltage regulators and below fully integrated power modules; the 3+1 phase architecture specifically allocates three phases to the core rail and one phase to the system agent/graphics sub-rail, which is the typical Intel VR12.5/VR13 topology for desktop and entry-server CPUs. Key features of the PXM1310CDMG003XTMA1 include Intel VR12.5/VR13 protocol support with SVID/I2C telemetry, six PWM outputs for flexible phase assignment, embedded firmware for adaptive voltage positioning and fault response, and per-phase current balancing. The 40-pin PG-VQFN package exposes the thermal pad directly to the PCB copper pour, enabling heat extraction through the top-side power stages rather than through the controller itself. The device uses a state-machine-based digital control loop rather than an analog Type-III compensator, which simplifies design-in by eliminating external compensation components. Telemetry such as output voltage, current, and temperature is reported over PMBus/I2C for closed-loop platform monitoring, while the integrated fault handler protects against over-voltage, under-voltage, over-current, and over-temperature conditions. This architecture replaces what traditionally required a supervisor IC plus analog PWM controller combination. Typical applications include Intel VR12.5/VR13 desktop and server CPU core rails, DDR3/DDR4 memory power (VDDQ and VTT), workstation motherboard voltage regulators, and embedded computing platforms that require PMBus-programmable telemetry. The 3+1 phase configuration suits 95W to 150W TDP processor classes where digital telemetry and adaptive transient response are required. When designing with this part, validate that the chosen PowIRstage supports the controller's PWM frequency and current sense scheme, and observe Infineon's layout guidance for the SVID/I2C bus routing to avoid coupling into the switching node. The exposed thermal pad must be soldered to a continuous ground copper pour for both thermal dissipation and low-impedance gate return paths.