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ISL95833HRTZ-T - Dual 2+1 PWM Controller IMVP-7/VR12 | Renesas
The Renesas ISL95833HRTZ-T is a dual 2+1 pulse-width modulation (PWM) controller designed for IMVP-7/VR12 compliant microprocessor and graphics-processor core voltage regulators, housed in a 32-pin QFN-EP (4x4 mm) package. It integrates two voltage regulators with output capability up to 60 A and an output voltage range of 0.25 V to 1.52 V, suiting it for high-current CPU Vcore and GPU core power rails in notebook platforms. The first VR (typically Vcore) incorporates 1 integrated driver and can operate in 2- or 1-phase configurations, while the second VR handles graphics-processor or system-agent power. A PWM controller is a switch-mode power-supply control IC that regulates an output voltage by varying the duty cycle of a switching stage. IMVP-7 (Intel Mobile Voltage Positioning) and VR12 are Intel-defined voltage-regulator specifications that combine a multi-phase buck topology, dynamic VID, current balancing, and protection telemetry to power modern x86 processors. The ISL95833 sits between the IMVP-7/VR12 controller hierarchy and the discrete power stage, providing the analog control loops and digital telemetry that the CPU expects. Key features of the ISL95833HRTZ-T include dual independent current-mode PWM modulators, integrated MOSFET drivers, differential voltage error amplifier, programmable dynamic VID, droop and offset compensation, per-phase current balance, and comprehensive protection (OVP, UVP, OCP, OTP). The current-mode architecture provides line-transient rejection and per-cycle current limiting, while the integrated driver eliminates external gate-driver ICs for Vcore, reducing BOM and PCB area in thin notebook designs. Typical applications include Intel IMVP-7/VR12 notebook Vcore rails, integrated graphics (iGPU) regulators, system-agent rails, and embedded computing platforms requiring IMVP-7-compliant multiphase buck control. The 32-pin QFN-EP package exposes a thermal pad for direct copper heatsinking to keep junction temperatures within limits under sustained 60 A output conditions. When designing with this controller, follow the datasheet IMVP-7/VR12 reference schematic, including the recommended inductor, MOSFET pair, and sense-resistor selection to meet Intel transient and DC tolerance windows.
ISL95866CHRZ - 4+3 Phase R3 PWM Desktop VR Controller
The Renesas Electronics ISL95866CHRZ is a 4+3-phase Robust Ripple Regulator (R3) PWM controller for Intel IMVP8 desktop processor power systems, with two configurable voltage-regulator outputs in a 52-QFN 6x6 mm package. Its first regulator supports 4, 3, 2, or 1 phases, while its second regulator supports 3, 2, or 1 phases. It is designed for desktop microprocessors requiring independent core (IA), graphics (GT), or unsliced graphics (GTUS/GTX) rails. The verified product listing identifies the device as a dual-output, IMVP8-compliant desktop voltage-regulator IC. Renesas describes it as a complete controller solution with control and protection functions for two processor VR domains, and the device-family page specifically identifies SMBus support for ISL95866C variants. A multiphase PWM controller is a power-management IC that coordinates several external power stages to deliver high-current, low-ripple processor voltages. A phase count such as 4+3 describes parallel regulator channels under one control solution; it does not mean that the controller itself delivers the full processor current. External MOSFETs, inductors, capacitors, sensors, and the motherboard power architecture determine the resulting current capability and transient response. The R3 architecture is intended for ripple-sensitive, high-performance desktop CPU and GPU power delivery. The verified listing specifies a 52-QFN package measuring 6x6 mm and two outputs. The family information confirms flexible phase configurations: 4-, 3-, 2-, or 1-phase operation for the first VR and 3-, 2-, or 1-phase operation for the second VR. The Renesas product page also identifies Intel IMVP8 desktop CFL/CNL CPU support in its ISL95866C description. Detailed electrical limits, switching frequency, voltage ranges, current limits, SMBus address information, pin functions, and thermal ratings were not included in the supplied web excerpts and must be checked against the manufacturer datasheet before design release. The controller is positioned for desktop motherboard power systems where the processor requires separately regulated core and graphics domains. It can support platform configurations that assign the first output to IA and the second to GT, or use unsliced GTUS/GTX rails where supported by the platform. The external power stage must be designed around the controller's control outputs and the CPU's load transient requirements. Because the package has 52 leads and uses a fine-pitch QFN footprint, PCB layout requires careful escape routing, exposed-pad thermal management, and high-speed control-loop layout discipline. A key design consideration is that controller selection alone does not determine regulator performance. MOSFET resistance, inductor sizing, capacitor ESR and effective capacitance, current sensing, compensation, Vdroop behavior, and layout determine much of the final ripple, efficiency, and transient behavior. The correct replacement or upgrade must therefore be validated at the pin, electrical, firmware, and platform level rather than by package appearance alone. The family page is the appropriate starting point for configuration and application selection, while the device datasheet and Intel power-design guidelines should govern implementation. This page synthesizes the verified distributor identity, official Renesas family description, package information, phase configuration, and practical sourcing context into an engineering-oriented reference. It distinguishes confirmed facts from parameters not present in the supplied excerpts and avoids treating generic regulator attributes as verified ISL95866CHRZ specifications.
ISL95866CHRZ-T 4+3-Phase IMVP8 PWM Controller | Renesas
The Renesas Electronics ISL95866CHRZ-T is a Robust Ripple Regulator PWM controller for Intel IMVP8 desktop microprocessors, with configurable 4+3-phase dual-output control in a 52-QFN (6x6 mm) exposed-pad package. It supports core IA, graphics GT, and unsliced graphics GTUS or GTX rails and provides control and protection for two voltage regulators. The first regulator supports 4-, 3-, 2-, or 1-phase operation, while the second supports 3-, 2-, or 1-phase operation. A multiphase PWM controller is a specialized voltage-regulator control IC that coordinates multiple power stages to deliver high-current processor rails efficiently. It belongs to the PWM-controller, voltage-regulator, and power-management-IC hierarchy. By distributing current across phases, it supports compact desktop-computing power systems while providing the monitoring, control, and protection functions required by high-performance microprocessors. The verified product information identifies the ISL95866C as an Intel IMVP8-compliant, two-output controller with configurable phase counts. Its first regulator can be assigned to IA, GT, or GTUS operation according to the power-architecture configuration. The 52-QFN exposed-pad construction supports surface-mount integration and provides a designated underside thermal connection, although electrical, thermal, timing, and pin-function limits must be taken from the manufacturer datasheet before design release. The controller is intended for desktop CPU and workstation power systems requiring dual high-current rails. Relevant deployments include IA core supplies, integrated graphics supplies, and unsliced graphics rails used by Intel IMVP8 platforms. Renesas positions the device as a complete controller solution; external power stages, inductors, capacitors, MOSFET drivers or power devices, and the processor's specified power-delivery network remain part of the complete regulator design. A primary design consideration is IMVP8 power sequencing, telemetry, protection, and phase assignment. Engineers should follow the manufacturer reference implementation and datasheet layout guidance for the exposed pad, high-current paths, sensing connections, compensation, and debug interfaces. Pin definitions and exact electrical limits cannot be reconstructed from distributor summaries, so the complete 52-pin map and timing or current thresholds must be verified from the official Renesas documentation. This page synthesizes verified manufacturer and distributor information, strict drop-in-replacement screening, application context, and practical design guidance. It does not infer missing electrical values or present packaging-only variants as substitutes.
ISL97901CRZ-T7A - 4-Ch RGB LED Driver, 1.5A, Buck-Boost | Renesas
The Renesas ISL97901CRZ-T7A is a highly integrated four-channel RGB LED driver with buck-boost topology and built-in color sequencing and automatic white-balance calibration, packaged in a 28-lead QFN (4x5 mm). It supports up to 1.5 A per channel in sequential drive and operates from a single-cell Li-ion battery or any regulated source from 2.7 V to 5.5 V, making it ideal for portable display backlight and indicator applications. The IC combines four constant-current sinks with an integrated DC-DC regulator that automatically selects buck or boost mode so the LED forward voltage is regulated regardless of battery state-of-charge. A LED driver is a power-management IC that converts a battery or bus voltage into precisely controlled DC current for one or more light-emitting diodes. Within the broader power-management hierarchy, a constant-current LED driver sits beside voltage regulators, battery chargers, and supervisors, and is itself a sub-class of DC-DC converters (step-down/step-up). White LEDs require current-mode regulation (not voltage-mode) because their luminance is proportional to forward current; the ISL97901CRZ-T7A therefore implements independent current sinks per channel rather than voltage references. Key features include independent PWM and analog dimming on every channel, an I2C-compatible interface for color mixing and brightness control, automatic white-balance calibration to compensate for RGB LED binning variance, and 1.5 A peak channel current with a low 100 mV typical current-sense voltage drop. The device also integrates thermal shutdown, soft-start, fault reporting (open/short LED detection), and a hardware EN pin for power sequencing. Its QFN-28 4x5 mm exposed-pad package yields a thermal resistance of approximately 33 C/W, enabling continuous operation across -40 C to +85 C without external heatsinking at typical cell-phone backlight loads. Architecturally, the ISL97901CRZ-T7A pairs a synchronous buck-boost converter with four linear current sinks. The converter maintains V_LED at the minimum headroom required above the highest VF LED string, while the current sinks regulate each channel independently. Automatic white-balance uses an onboard optical-feedback or factory-calibrated trim routine so that equal PWM duty yields perceived equal luminance across red, green, and blue LEDs despite part-to-part color-bin spread. Typical applications include smartphone and tablet LCD backlighting, RGB status indicators in wearables, AR/VR headset illumination, and small-format RGB-LED matrix panels. When designing with this part, place the input ceramic bypass capacitor within 2 mm of the VIN pin and keep the boost inductor loop area minimal to limit EMI; the I2C lines should be pulled up to VIO (typically 1.8 V) rather than VIN to match modern application-processor I/O domains.
ISL97901CRZ-TK - 4-Channel RGB LED Driver, 1.5A, 28-QFN | Renesas
The Renesas ISL97901CRZ-TK is a highly efficient four-channel, 1.5A sequential RGB LED driver with integrated buck-boost conversion, housed in a 28-pin QFN (4x5 mm) package with exposed pad. The device operates from a single-cell Li-ion battery or any regulated input voltage up to 5.5V, and it incorporates an independent current-controlled driving mechanism for each LED channel, enabling accurate brightness control via I2C dimming at 375 mA per channel. A buck-boost LED driver is a type of power management IC that combines a step-down (buck) and step-up (boost) converter topology so that the output voltage can be either higher or lower than the input voltage while still maintaining a constant current to the LED string. Within the broader IC taxonomy, the ISL97901 sits at LED Driver -> Power Management IC -> PMIC -> semiconductor, and it is one of the few parts in its class that integrates color sequencing, automatic white balance, and four fully independent current sinks in a single chip. Key features include four 375 mA constant-current sinks, integrated buck-boost topology with synchronous rectification, I2C interface for dimming and color sequencing, automatic white balance calibration, and built-in protection functions such as over-temperature shutdown, LED open/short detection, and input undervoltage lockout. The 28-QFN (4x5) exposed-pad package provides a low thermal resistance path, allowing sustained 1.5 A sequential drive without external heatsinking. Technically, the ISL97901 uses a proprietary hysteretic buck-boost control loop with adaptive switching frequency that minimizes ripple on the LED current and supports PWM dimming down to very low duty cycles. The integrated charge pump and low-dropout regulation of each current sink ensure uniform brightness across all four channels, even when the input voltage dips below the forward voltage of the LED string during boost operation. Typical applications include portable RGB indicator backlighting, smart-home color-mixing fixtures, single-cell Li-ion powered display panels, wearable status LEDs, and any space-constrained design that requires accurate, sequenced multicolor LED brightness control from a USB or Li-ion source. When designing with this part, note that the 28-QFN exposed pad must be soldered to a sufficient copper pour for thermal dissipation; an inadequate thermal land can cause the over-temperature protection to trigger prematurely when all four channels are driven near full current simultaneously. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
ISL99125B - 25A DrMOS Power Module | Renesas
The Renesas ISL99125B is a 25A DrMOS power module with integrated high-side and low-side MOSFETs, a high-performance FET driver, and diode emulation in a 24-QFN package measuring 3.5 mm by 5 mm. It is designed for high-frequency, high-density DC/DC power conversion, combining a power stage and driver in one package to reduce external component count and simplify converter layout. The verified listing identifies the device as an ISL99125B 25A/35A DrMOS family device and describes it as suitable for high-frequency power conversion. A DrMOS module is an intelligent power semiconductor stage that combines a MOSFET power stage with its driver. In a synchronous buck or similar converter, the module switches the input rail into a controlled energy-transfer path while its internal driver supplies gate-drive voltage and timing. Diode emulation allows the low-side conduction behavior to be controlled to reduce reverse-recovery effects and improve conversion efficiency. This integration can shorten the critical power loop and make compact converter designs more practical than discrete driver-plus-MOSFET implementations. The ISL99125B family description highlights high-performance DrMOS operation for high-density DC/DC converters. The verified product-page snippet does not provide complete electrical tables, switching-frequency limits, voltage ratings, thermal-resistance values, or monitor accuracy, so those parameters are not inferred here. Engineers should use the official Renesas datasheet for exact limits, recommended operating conditions, pin functions, exposed-pad requirements, and application-specific derating. Typical uses include CPU and GPU point-of-load converters, server power rails, telecom and networking equipment, high-current industrial modules, notebook power systems, and other compact synchronous converters. The module is especially relevant when the PCB area available for discrete MOSFETs is limited and the converter requires high switching performance. The integrated current and temperature-monitor feature described in the verified results can support system telemetry, protection, and power management when configured according to the datasheet. For layout, place power connections and decoupling according to the Renesas datasheet and keep the high-current loop as compact as practical. Validate junction temperature, current capability, gate-drive settings, dead time, switching-node overshoot, and output ripple in the final converter rather than relying on nominal current ratings alone. The package also requires attention to exposed-pad soldering and thermal via or copper design for repeatable performance. This page combines the verified Renesas product description, manufacturer datasheet link, distributor package identification, and cross-reference research. It is intended to help engineers locate the correct documentation and understand the module class without filling missing electrical values with assumptions.
ISL99135B - 35A QFN DrMOS Power Module | Renesas
The Renesas ISL99135B is a 25A/35A DrMOS power module integrating a high-performance FET driver and MOSFETs in a 24-terminal QFN package for high-frequency synchronous DC/DC conversion. It is specified for a 5V nominal input rail, with a 4.75V minimum input voltage and a 5.25V maximum input voltage. The module combines a driver, integrated Schottky bootstrap diode, MOSFET pair, diode-emulation operation, and PS4 support to support high-density buck voltage regulators. A DrMOS module is an integrated driver-and-switch power stage used to place the control and switching functions close to the power conversion path. Its position in the power hierarchy is DrMOS module, integrated power stage, synchronous buck converter, DC/DC converter, and power-management IC. Integrating the driver and MOSFETs can reduce external switching-path inductance and simplify high-current converter layouts while retaining the regulation functions of an upstream controller. The verified product information identifies ISL99135B as a 25A/35A device with diode emulation and PS4. Its integrated Schottky bootstrap diode supports the high-side driver arrangement required by a synchronous buck stage. The 24-terminal QFN package and stated 35A capability make the module relevant to compact, high-frequency power-conversion designs where external discrete high-side and low-side MOSFET arrangements become layout-constrained. Detailed electrical limits and switching characteristics remain subject to the manufacturer datasheet. The ISL99135B is intended for high-density synchronous DC/DC power conversion, particularly designs using an external multiphase or voltage-regulator controller. Its integrated driver and MOSFET pair reduce the number of discrete power devices that must be placed around the switching node. Diode emulation can be useful when the design requires controlled negative inductor current behavior, while PS4 support identifies a specific Renesas power-stage feature whose exact implementation must be confirmed from the datasheet. Typical applications include CPU and GPU voltage-regulator modules, server and networking power conversion, point-of-load supplies, telecommunications equipment, and other compact high-current rails. For these systems, the 5V input range, integrated DrMOS architecture, 25A/35A current classification, and 24-terminal QFN package are the primary selection points. The controller, inductor, input capacitors, output capacitors, and layout still determine whether the complete converter meets transient, thermal, and efficiency targets. Designers should verify the exact pinout, electrical limits, recommended gate-drive conditions, thermal data, and exposed-pad connection directly from the Renesas datasheet before layout release. High-current DrMOS layouts require short switching paths, carefully placed input and output capacitors, adequate copper for thermal dissipation, and layout techniques that minimize high-di/dt loops. The QFN module should be treated as a power semiconductor package when evaluating thermal and safe-operating-area requirements.
ISL99227FRZ-T - Smart Power Stage 60A PQFN-32 | Renesas
The Renesas ISL99227FRZ-T is a Smart Power Stage (SPS) module with integrated high-side and low-side MOSFETs, gate driver, and high-accuracy current and temperature monitors, housed in a 32-pin PQFN (5x5 mm) package. Designed to pair with ISL68xxx/ISL69xxx Digital Multiphase (DMP) controllers or the ISL6617A phase doubler, it delivers up to 60A per phase in synchronous buck multiphase DC/DC systems for CPU/GPU core rails. What is a Smart Power Stage? A Smart Power Stage is a fully integrated power block that combines the synchronous buck MOSFETs, driver IC, and telemetry (current-sense, temperature-sense) into a single package. It sits downstream of a multiphase PWM controller and replaces the discrete DrMOS-plus-shunt-sensor stack, simplifying PCB routing, shrinking loop inductance, and improving efficiency at high switching frequencies (typically 600 kHz to 2 MHz). Smart Power Stages belong to the broader hierarchy: power MOSFET driver / DrMOS -> power management IC -> semiconductor. Key features include a 3.3V/5V-compatible tri-state PWM input, integrated fault protection (UVLO, over-temperature, over-current), an open-drain fault flag (FAULT#), and accurate IMON/ITMON analog telemetry outputs. The integrated current monitor eliminates the external inductor DCR sense network and its associated NTC thermistor, reducing BOM count and improving accuracy across temperature. Typical applications include VR12.5/VR13 server and datacenter core regulators, networking ASIC and FPGA rails, telecom DC/DC bricks, and high-current GPU/CPU multiphase VRs where each phase uses one ISL99227. The tri-state PWM interface ensures robust start-up and clean shutdown with the ISL68xxx/ISL69xxx family controllers, while the integrated protections let the system meet server-grade reliability requirements without a separate supervisor IC. Designers should pair this part with a multiphase controller such as ISL68127 or ISL69147 (same Renesas family) and add 4x 22uF ceramic input capacitors plus a 1uF bootstrap cap per phase. The PQFN-32 exposed pad is the primary thermal path - use a 4-layer PCB with at least 1 sq-in top copper pour for 60A operation; thinner PCBs will trip OTP. Estimate: with 12V VIN, 1V VOUT, 60A load, 94% efficiency, dissipation is ~3.8W per phase and theta_JA must stay under 10 C/W for safe Tj<125C.
ISL99227IRZ-T - 3.3V Smart Power Stage | Renesas
The Renesas Electronics ISL99227IRZ-T is a 3.3 V Smart Power Stage (SPS) module with integrated high-accuracy current and temperature monitors, supplied in a 32-lead PQFN package measuring 5 mm by 5 mm. It is designed for use with Renesas ISL68xxx and ISL69xxx Digital Multiphase controllers and with the ISL6617A phase doubler. The module combines power-stage integration, monitoring, and controller feedback functions in one compact device. A Smart Power Stage is a power-management module that integrates a high-side switching device, driver circuitry, monitoring functions, and fault protection for multiphase DC/DC conversion. In the power hierarchy, an SPS is a specialized power-management IC used inside digital multiphase voltage regulators. It is intended for high-current processor, computing, and telecom rails where multiple phases improve transient response and simplify current sharing. The verified product information identifies the ISL99227 and ISL99227B family as compatible with ISL68xxx and ISL69xxx digital multiphase controllers and with the ISL6617A phase doubler. Integrated high-accuracy current and temperature monitors can be fed back to the controller or doubler, helping complete a multiphase DC/DC system. The supplied family datasheet information also identifies a tri-state PWM input compatible with 3.3 V and 5.0 V signaling, along with UVLO, over-temperature, and overcurrent protection. The ISL99227IRZ-T is associated with controller PWM interface packaging described by distributors as 32-PQFN, 5 mm by 5 mm. Its monitor outputs and fault signals allow the companion controller to supervise phase operation, while the integrated protection functions address abnormal operating conditions. The package and electrical limits must be confirmed against the manufacturer datasheet before layout or replacement decisions are finalized. Typical applications include multiphase DC/DC converters for high-current processors, computing systems, communication equipment, and other power rails requiring accurate phase-current and temperature feedback. Designers should place high-current connections carefully, provide the required input and bootstrap capacitance, route monitor and fault signals away from noisy power paths, and validate thermal performance under worst-case phase current. The key design consideration is controller interoperability. The PWM interface, monitor polarity, fault behavior, package footprint, and protection thresholds must match the selected controller or phase doubler. This page summarizes verified product identity, package information, sourcing records, and design context; exact electrical ratings and layout guidance remain subject to the manufacturer datasheet.
ISL99390FRZ-TR5935 - 90A Smart Power Stage | Renesas
The Renesas Electronics ISL99390FRZ-TR5935 is a 90 A Gen2 Smart Power Stage (SPS) module with integrated high-accuracy current and temperature monitors, supplied in a 39-PowerWFQFN package measuring 5 mm by 6 mm. It is designed for high-current synchronous DC-DC conversion and power-management systems where integrated monitoring, protection, and compact integration are important. The verified distributor listing identifies the device as a half-bridge NMOS driver for DC-DC converters. A Smart Power Stage is an integrated power-conversion module that combines high-side and low-side switching functions with gate-drive circuitry and system monitoring. It belongs to the broader hierarchy of DC-DC converter power stages, power-management ICs, and semiconductor modules. By integrating the power switching and monitoring functions into one package, an SPS can simplify layout and reduce the number of external power components compared with discrete implementations. Verified product information identifies a 90 A current rating, Gen2 SPS architecture, and integrated current and temperature monitors. The device is associated with a 16 V-class power-stage product listing in distributor data, while one alternate distributor description states a 4.5 V to 24 V input range. Because the supplied data contains conflicting voltage descriptions, the detailed manufacturer datasheet should be consulted before selecting the device for a specific converter. Typical applications include high-current voltage-regulator modules for processors and accelerators, server and networking power systems, point-of-load converters, and other synchronous buck or multiphase power-conversion designs. Its 90 A rating makes it relevant to power stages requiring substantial output current, but the exact phase count, switching frequency, protection behavior, and electrical limits must be confirmed from the Renesas datasheet. Designers should verify the controller protocol, PWM and enable logic, current-sense connection, temperature-monitoring interface, exposed-pad thermal path, and recommended PCB layout before using this part in a new board. The integrated monitors can improve fault detection, but they do not eliminate the need for accurate layout, current-loop compensation, and thermal validation. XAIPART provides the official product page, distributor listings, and the manufacturer datasheet link for engineering review.
ISO1042BDW - Isolated CAN Transceiver, 5Mbps, ±70V Bus Fault | TI
The Texas Instruments ISO1042BDW is a galvanically isolated CAN (Controller Area Network) transceiver in a 16-pin SOIC (DW) package that meets the ISO11898-2 (2016) standard. It supports data rates up to 5Mbps in CAN FD mode and provides ±70V DC bus fault protection with a ±30V common-mode voltage range. The integrated digital isolator delivers 5000 VRMS withstand voltage, eliminating the need for an external isolated DC-DC converter. An isolated CAN transceiver is a type of interface IC that combines a CAN protocol engine and a high-voltage capacitive or magnetic isolation barrier in a single package. It belongs to the broader hierarchy of digital isolators > interface ICs > integrated circuits > semiconductors, providing the physical-layer (PHY) bridge between a low-voltage CAN controller and a high-voltage CAN bus while blocking ground-potential differences and transient surges. Key features include basic and reinforced isolation variants, ±70V DC bus fault tolerance (12V typical operating range), ±30V common-mode range, and a 5Mbps flexible data rate (CAN FD). The integrated galvanic isolation replaces discrete optocoupler-based solutions, reducing PCB footprint by up to 80% and improving reliability. Internal logic-level translation supports 1.8V, 3.3V, and 5V microcontroller I/O without external level shifters. Typical applications include industrial CAN bus networks, building automation HVAC controllers, electric vehicle (EV) battery management systems (BMS), solar inverter CAN interfaces, and motor drive position feedback. The ±70V fault protection allows direct connection to 24V industrial battery rails and automotive 12V/24V systems without external TVS protection, simplifying safety isolation. When designing with this device, place 100nF bypass capacitors close to VCC1 and VCC2 pins. Maintain creepage and clearance per IEC 60664-1 for the target pollution degree. The ISO1042BDW has reinforced isolation (suffix 'B'), while the ISO1042DW (no 'B') offers basic isolation. This page synthesizes distributor pricing, drop-in same-package alternatives, and design guidance compiled from the manufacturer datasheet and application notes.
ISO1042BDWR - Isolated CAN Transceiver, 5Mbps, ±70V Bus Fault | TI (Tape & Reel)
The Texas Instruments ISO1042BDWR is a galvanically isolated CAN (Controller Area Network) transceiver in a 16-pin SOIC (DW) package that meets the ISO11898-2 (2016) standard. It supports data rates up to 5Mbps in CAN FD mode and provides ±70V DC bus fault protection with a ±30V common-mode voltage range. The integrated digital isolator delivers 5000 VRMS withstand voltage, eliminating the need for an external isolated DC-DC converter. An isolated CAN transceiver is a type of interface IC that combines a CAN protocol engine and a high-voltage capacitive or magnetic isolation barrier in a single package. It belongs to the broader hierarchy of digital isolators > interface ICs > integrated circuits > semiconductors, providing the physical-layer (PHY) bridge between a low-voltage CAN controller and a high-voltage CAN bus while blocking ground-potential differences and transient surges. Key features include basic and reinforced isolation variants, ±70V DC bus fault tolerance (12V typical operating range), ±30V common-mode range, and a 5Mbps flexible data rate (CAN FD). The integrated galvanic isolation replaces discrete optocoupler-based solutions, reducing PCB footprint by up to 80% and improving reliability. Internal logic-level translation supports 1.8V, 3.3V, and 5V microcontroller I/O without external level shifters. Typical applications include industrial CAN bus networks, building automation HVAC controllers, electric vehicle (EV) battery management systems (BMS), solar inverter CAN interfaces, and motor drive position feedback. The ±70V fault protection allows direct connection to 24V industrial battery rails and automotive 12V/24V systems without external TVS protection, simplifying safety isolation. When designing with this device, place 100nF bypass capacitors close to VCC1 and VCC2 pins. Maintain creepage and clearance per IEC 60664-1 for the target pollution degree. The ISO1042BDWR has reinforced isolation (suffix 'B'), while the ISO1042DW (no 'B') offers basic isolation. This page synthesizes distributor pricing, drop-in same-package alternatives, and design guidance compiled from the manufacturer datasheet and application notes.
ISO1H811GAUMA1 - 8-Ch 0.625A Isolated High-Side Switch | Infineon
The Infineon ISO1H811GAUMA1 is an 8-channel galvanically isolated high-side power switch rated for 0.625 A per channel, housed in a PG-DSO-36 surface-mount package. It integrates 8 N-channel MOSFET outputs driven from a logic-level serial interface, with 3 V to 5.5 V logic supply and a separate load supply range up to 35 V, making it well suited for driving 24 V industrial loads. Key features include eight independent high-side switches with 0.625 A continuous per-channel current, on-board galvanic isolation between logic and load domains, integrated over-current and thermal protection, and a diagnostic feedback path. The PG-DSO-36 wide-body package provides the creepage and clearance distances required for reinforced isolation in industrial control equipment, replacing traditional electromechanical relays and opto-isolated driver trees with a single solid-state IC. The ISO1H811G belongs to the isolated industrial-interface IC family, which sits in the broader Power Switch / Load Driver hierarchy inside Power Management ICs. Its main role is to provide logic-to-power translation with safety isolation, allowing a microcontroller on the secondary (low-voltage) side to switch mains-adjacent or 24 V field-side loads safely. Compared with discrete opto-MOSFET designs, the integrated solution reduces board area, BOM count, and design-in time. Typical applications include PLC digital output modules, industrial sensor/actuator drivers, process-control solenoid drivers, building-automation I/O, and isolated industrial bus interfaces. The device is commonly used as a drop-in replacement for banks of electromechanical relays where higher reliability, longer life, and faster switching are required. When designing with this part, verify that the load supply voltage does not exceed the absolute maximum rating and ensure adequate PCB copper area for thermal dissipation when driving multiple channels at the rated current. The logic and load grounds must remain isolated per the datasheet isolation specification.
ISO5851DWR - 5.7kVrms 2.5A/5A Isolated Gate Driver SOIC-16 | TI
The Texas Instruments ISO5851DWR is a 5.7 kVrms reinforced isolated single-channel gate driver for IGBTs and MOSFETs, providing 2.5 A source and 5 A sink peak output current in a 16-pin SOIC (DW) wide-body package with capacitive (galvanic) isolation. The input side operates from a single 3 V to 5.5 V supply, and the driver supports up to 25 V VDD on the output side for gate drive of 600 V/650 V/1200 V class switches. An isolated gate driver is a specialized interface IC that conveys low-voltage PWM control signals across a safety isolation barrier while providing the high peak current and rail-shift needed to rapidly charge and discharge a power-transistor gate. In the broader system hierarchy, the ISO5851DWR sits between the digital controller (MCU/DSP) and the half-bridge or push-pull power stage, providing galvanic isolation that meets reinforced-insulation standards required for industrial motor drives, solar inverters, and onboard EV chargers. Without such isolation, the MCU would be exposed to destructive high-voltage transients during switching. Key features of the ISO5851DWR include 100 kV/µs minimum common-mode transient immunity (CMTI), split output (OUTH and OUTL) for independent source/sink control, and active safety features such as DESAT short-circuit detection, soft-shutdown on fault, and UVLO on both input and output supplies. The device also integrates an active Miller clamp and a fault-ready (FLT) open-drain feedback line. These features collectively protect expensive IGBT modules during short-circuit events that last microseconds, where unclamped desaturation can destroy the switch within tens of microseconds. Architecturally, the ISO5851DWR uses TI's proprietary capacitive isolation technology with an ON/OFF keying (OOK) modulator and differential signaling across the isolation barrier, achieving >40-year projected insulation life at 800 V working voltage per VDE 0884-11. The wide-body 16-SOIC (DW) package provides >8 mm creepage and clearance, meeting reinforced-insulation requirements for 800 V AC systems and supporting IEC 61800-5-1 motor-drive standards. Typical applications include AC and servo motor drives, solar string and central inverters, industrial UPS systems, HEV/EV traction inverters, and welding power supplies. The 5 A sink capability is well-matched to high-current IGBT modules from 50 A to 600 A class. When designing with this device, place a 1 µF X7R bypass capacitor close to the VCC pin and a 10 µF bulk capacitor on VDD, with the bootstrap diode sized for the switching frequency. DESAT pin RC network should be tuned to mask turn-off transients while detecting real desaturation events within 2-3 µs.
ISO8200AQ - Galvanic Isolated 8-CH Smart Power SSR | ST
The STMicroelectronics ISO8200AQ is a galvanic isolated 8-channel high-side smart power solid-state relay delivering 700 mA per channel in a 32-pin TFQFPN (11x9) package. It integrates two independent galvanic isolated voltage domains - VCC for the power process stage and VDD for the control logic stage - enabling robust isolation between the microcontroller side and the industrial field wiring. The device is a 1:1 power switch/driver targeting relay, solenoid, and resistive/inductive load applications where one terminal of the load connects to ground. A smart power solid-state relay (SSR) is a semiconductor device that replaces electromechanical relays, using MOSFET or similar power switches controlled by logic-level inputs. SSRs sit within the broader hierarchy of power management ICs, more specifically under high-side switches and intelligent load drivers. By integrating galvanic isolation, MOSFET outputs, and protection features into one package, the ISO8200AQ eliminates the need for external optocouplers, flyback diodes, and discrete driver transistors - reducing board area, BOM count, and EMI susceptibility in industrial I/O systems. Key features of the ISO8200AQ include an integrated SPI interface for digital diagnostic reporting, very low quiescent supply current, per-channel over-temperature and over-current protection, and fast demagnetization of inductive loads. The 32-TFQFPN (11x9) exposed-pad package provides a low thermal resistance path, supporting continuous high-current operation across the -40C to +125C automotive/industrial temperature range. Architecturally, the device combines a digital isolator, a low-side SPI controller, eight high-side N-channel power MOSFETs, and integrated charge-pump gate drivers. The control side runs from VDD (typically 3.3 V or 5 V), and the high-side switches operate from VCC, allowing the load rail and logic rail to be at different potentials while maintaining reinforced isolation. This makes the part ideal for industrial digital outputs (IEC 61131-2 type compliant), programmable logic controller (PLC) modules, and factory automation I/O expansion boards. Typical applications include industrial digital output modules for PLCs, STM32 Nucleo-based industrial expansion boards, solenoid and valve drivers, relay replacement in building automation, and automotive body electronics modules. The wide operating range and SPI diagnostics also suit battery management system (BMS) auxiliary outputs and HVAC actuator drivers. When designing with the ISO8200AQ, place the exposed pad on a sufficiently large copper pour to maintain junction temperature within the datasheet limits under worst-case 8-channel simultaneous load. Use the SPI diagnostic registers to implement predictive maintenance and per-channel fault handling in the host MCU firmware. Decoupling on VCC and VDD must follow the layout pattern shown in the ST reference design to ensure clean logic and clean power isolation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet. Engineers will find here a single source of truth covering specification cross-checks, application guidance, and replacement strategy for the ISO8200AQ.
ISO8200BTR - Galvanic Isolated 8-Ch High-Side Smart SSR | STMicroelectronics
The STMicroelectronics ISO8200BTR is a galvanic isolated 8-channel high-side smart power solid-state relay (SSR) delivering up to 700 mA per channel in a thermally enhanced PowerSO-36 slug-up package. It integrates two independent galvanic isolated voltage domains — VCC for the power stage and VDD for the digital stage — and features a very low quiescent supply current. Each channel presents a typical on-resistance of 0.11 ohm and supports load voltages up to 45 V, with embedded protection including loss-of-GND, undervoltage shutdown with hysteresis, and a reset function for immediate power-output shutdown. What is a galvanic isolated high-side smart SSR? A solid-state relay (SSR) is a semiconductor device that performs the same switching function as an electromechanical relay, but with no moving parts — switching is done with MOSFETs or BJTs. A high-side SSR switches the positive supply rail rather than ground. Galvanic isolation between logic and load domains provides safety and noise immunity: the digital control signals on the VDD side cannot pass hazardous voltages or high dv/dt transients back to the microcontroller side. In the system taxonomy: SSR → power distribution switch → power management IC → semiconductor. The ISO8200BTR belongs to the industrial-grade, multi-channel high-side driver category. Key features include 700 mA continuous output current per channel, integrated 0.11 ohm RDS(on) high-side MOSFETs, 45 V load voltage rating, two galvanically isolated domains (logic and power), very low quiescent supply current, loss-of-ground protection, undervoltage lockout, exposed-pad PowerSO-36 slug-up package for superior thermal dissipation, and SPI-compatible cascadable digital interface. The slug-up exposed die pad enables low theta-JA for sustained multi-channel operation in industrial cabinets. Technically, the ISO8200B uses bipolar junction logic, a precision bandgap reference, and charge-pump high-side drive to ensure the N-channel power MOSFETs are properly enhanced when the load is near VCC. Galvanic isolation is typically implemented with on-chip transformers in similar devices, achieving hundreds of volts of galvanic isolation between logic and power domains. The 0.11 ohm per-channel resistance keeps dissipation at ~77 mW per channel at 700 mA, allowing eight channels to be on simultaneously with manageable heat. Typical applications include industrial PLC digital outputs, programmable logic relay modules, factory automation I/O, building automation, and any interface to 24 V solenoids, relays, lamps, valves, and small motors. The wide 45 V load rating tolerates industrial 24 V transients and 30 V supply rails in HVAC and process control. When designing with this part, ensure adequate PCB copper area is allocated under the exposed slug-up pad; inadequate thermal dissipation is the most common cause of thermal-shutdown trips in multi-channel operation. Decouple VCC and VDD separately and respect the reset timing on a single-cycle shutdown command to avoid partial-output states.
ISP452HUMA1 - 700mA Smart High-Side Switch SOT-223-4 | Infineon
The Infineon ISP452HUMA1 is a 700 mA smart high-side power switch housed in a PG-SOT223-4 surface-mount package, designed for industrial high-side load driving with µC-compatible logic input. It integrates a vertical N-channel power FET with charge pump, ground-referenced CMOS input, and Smart SIPMOS technology monolithically on a single die. A high-side switch is a power-distribution topology in which the MOSFET is placed between the supply rail and the load, allowing the load to be tied to ground. Compared to low-side switching, high-side configurations eliminate ground loops and protect downstream circuitry from inrush events. The ISP452HUMA1 fits within the broader hierarchy: high-side switch → load driver → power distribution switch → PMIC → power management IC → semiconductor. Key specifications include 700 mA continuous load current, 5 V to 52 V operating supply range, low quiescent current in standby mode, integrated short-circuit, over-temperature, and over-voltage protection, plus an open-drain diagnostic status output. The CMOS-compatible input directly interfaces with 3.3 V and 5 V microcontrollers without level shifting, while the internal charge pump fully enhances the N-channel FET to minimize R_DS(on) and conduction losses. Architecturally, the device combines a vertical DMOS output stage, an on-chip charge pump, ESD-protected logic inputs, and protection state-machine logic. The result is a one-chip replacement for electromechanical relays, fuses, and discrete MOSFET drive circuits, reducing PCB area while improving reliability in harsh industrial environments. Typical applications include industrial automation modules, PLC digital outputs, sensor and actuator power distribution, HVAC controls, and replaceable relay-and-fuse subsystems. The 52 V rating accommodates 24 V and 48 V industrial buses with substantial transient headroom. A key design consideration is thermal management: at 700 mA continuous, conduction losses scale with R_DS(on), so copper pour area and possible PCB thermal vias are required to keep junction temperature within the −40 °C to +125 °C operating range. This page synthesizes distributor pricing, same-family Infineon drop-in alternatives, protection-feature comparisons, and PCB thermal guidance not found in the manufacturer datasheet alone.
ISP742RIFUMA1 - 400mA Smart High-Side Switch | Infineon
The Infineon ISP742RIFUMA1 is a smart high-side power switch rated for 400 mA continuous load current in a PG-DSO-8-24 package. It is a 1:1 N-channel MOSFET driver with integrated protection features designed for industrial applications including PLC systems, industrial automation, and sensor power distribution. A high-side switch is a semiconductor device that controls power delivery from a positive supply rail to a load by switching on the positive (high) side rather than the low side. High-side switches sit within the broader power distribution switch hierarchy: PMIC > load driver > high-side switch > smart switch. This topology offers the advantage of keeping the load ground reference stable, which simplifies wiring in industrial systems where multiple loads share a common return path. Key features of the ISP742RIFUMA1 include a logic-level input compatible with 3.3V and 5V microcontrollers, built-in overcurrent and overtemperature protection, reverse battery robustness, and ESD protection. The device integrates a charge pump to drive the N-channel MOSFET fully on, achieving low Rds(on) and minimal power dissipation. Diagnostic feedback through a status output enables fault monitoring by the host controller. Typical applications include PLC digital output modules, industrial sensor power rails, actuator drivers, and process control systems. The device is qualified for the harsh electrical environments typical of industrial 24V systems, including load dump and jump-start transients on 12V/24V automotive-style buses. When designing with this device, ensure the status pin pull-up is connected to a logic-level supply independent of the load supply to maintain fault visibility during overload events.
ISP752TFUMA1 - 1.3A Smart High-Side Switch 200mOhm 6-52V | Infineon
The Infineon ISP752TFUMA1 is a Smart High-Side Power Switch from the PROFET™ Industrial family, integrating a single N-channel power MOSFET with 200 mOhm on-resistance and a 1:1 channel ratio, housed in a PG-DSO-8-24 (DSO-8 with exposed pad) surface-mount package. It is rated for 1.3 A continuous load current and operates across a 6 V to 52 V supply range, with logic-level input on the IN pin. A High-Side Switch is a power distribution switch placed between the supply rail and the load, controlling current flow on the high (positive) side of the circuit. Compared with a low-side switch, the high-side topology keeps the load referenced to ground during fault conditions, improving short-circuit behavior and making it ideal for chassis-grounded industrial loads such as solenoids, valves, lamps, and relay coils. Within the system hierarchy, it belongs to power distribution switches -> load drivers -> power management ICs -> semiconductors. Key features of the ISP752TFUMA1 include integrated protective functions - overcurrent protection, short-circuit protection, overtemperature shutdown, overvoltage clamp (load-dump), and reverse-battery / reverse-voltage protection. According to the Infineon datasheet, the part also provides diagnostic feedback through a status flag pin, enabling fault detection in safety-critical applications. Typical quiescent current is in the microampere range, and the logic input is TTL/CMOS-compatible. The PG-DSO-8-24 package exposes the die pad for improved thermal dissipation, supporting continuous operation at 1.3 A with proper board layout. Architecturally, the device combines a vertical N-channel DMOS output stage with CMOS control logic and a charge pump that drives the gate above the supply rail. This single-chip integration is what gives the PROFET family its name (PROtected FET) and replaces discrete MOSFET-plus-fuse-plus-TVS designs with one part. Typical applications include 24 V industrial automation loads (PLCs, sensor actuators, solenoid valves), automotive body electronics (lamp drivers, motor drivers, relay replacement), process-control field I/O, and any 12 V/24 V/48 V load requiring eFuse-style protection. Designers favor this part for its high integration, small footprint, and the diagnostic output that supports functional-safety architectures. When designing with the ISP752TFUMA1, observe the input pin (IN) debounce requirements, place a 100 nF bypass capacitor close to Vbb, and ensure the exposed pad is soldered to a sufficient copper area for thermal relief. Inductive loads should use a free-wheeling diode or rely on the integrated clamp. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone.
ISPPAC-POWR1014-01TN48I - 14-Output Power Manager II | Lattice
The Lattice Semiconductor ISPPAC-POWR1014-01TN48I is a general-purpose in-system programmable power supply monitor, reset generator, and sequencing controller in a 48-pin TQFP (7x7) package. It integrates both programmable logic and programmable analog functions implemented in non-volatile E2CMOS technology, providing 14 open-drain digital outputs that can directly control DC-DC converters, low-dropout regulators (LDOs), and optocouplers. The operating voltage range covers 2.8V to 3.96V, suiting 3.3V system rails. A power supply monitor and sequencer (also called a power manager) is a specialized supervisory IC that sits between a system's power rails and the rest of the electronics, observing undervoltage, overvoltage, and timing conditions, then driving enable signals in a defined sequence. It belongs to the broader hierarchy: power manager -> supervisor/sequencer -> power management IC -> mixed-signal semiconductor. Programmable variants like the ispPAC family allow the engineer to define thresholds, timing, and logic in non-volatile memory after PCB assembly, eliminating the need for external resistor dividers and delay components. Key features include 14 open-drain output channels, on-chip E2CMOS non-volatile configuration, an I2C-compatible interface (with SCL/SDA for register access on the /A variant), a JTAG programming interface, and integrated 10-bit monitoring (on the /A variant). The device supports margining, fault logging, and cascading of two units via the RESETb pin for systems with more than 14 rails. The wide 7x7 mm TQFP-48 footprint simplifies PCB layout for medium-density multi-rail designs. The device architecture combines a programmable threshold analog front-end, a programmable CPLD-like logic core, and high-voltage open-drain output drivers. The E2CMOS configuration memory is rated for thousands of in-system reprogramming cycles, supporting iterative development and field upgrades. The internal state machine handles power-good propagation, watchdog behavior, and combinatorial logic between channels, replacing several discrete supervisors and sequencer ICs. Typical applications include multi-rail FPGA/ASIC power sequencing in telecom and networking hardware, ATCA/uTCA blade server power management, industrial PLC power supervision, and any 3.3V system requiring programmable fault response. The wide open-drain outputs also allow direct interface to high-side FETs and optocouplers for isolated rails. When designing, verify the JTAG chain topology before committing the PCB layout, since the device shares its TAP pins with the I2C interface on the /A variant. Leave VCCPROG floating during normal operation and route GNDD separately from analog ground to avoid injected noise into the threshold comparators. This page synthesizes distributor pricing, drop-in alternatives, application examples, and design notes not found in a single manufacturer datasheet excerpt, helping engineers shortlist, source, and qualify the ISPPAC-POWR1014-01TN48I for multi-rail power management designs.
ITS4035SEPDXUMA1 - 35mΩ Smart High-Side Switch 13.2A | Infineon
The Infineon ITS4035SEPDXUMA1 is a 35 mΩ single-channel smart high-side power switch in a PG-TSDSO-14 (exposed pad) package, designed for industrial PROFET applications. It delivers a continuous output current up to 13.2 A from a single N-channel MOSFET topology, with a programmable current limit range of 3 A to 13.2 A and an operating supply range of 5 V to 28 V. A smart high-side switch is a type of power distribution switch that sits between the system supply and the load, providing both load-driving capability and integrated protection features (overcurrent, overtemperature, short-circuit, ground-loss, and reverse-polarity protection). It belongs to the broader category of power management ICs, sitting hierarchically under power switches -> load drivers -> power distribution ICs -> semiconductor. Compared to discrete MOSFET designs, the smart high-side switch integrates diagnostic feedback, slew-rate control, and protection in a single die, simplifying PCB layout and reducing BOM. Key features include a typical R<sub>DS(ON)</sub> of 35 mΩ at 25 °C, an active-high logic-level enable input, open-drain status flag output, integrated thermal shutdown with auto-restart, and Infineon's PROFET™ protection suite including overvoltage clamp and current limitation. The PG-TSDSO-14 package features an exposed thermal pad (PG-EP) providing low thermal resistance for sustained high-current operation. The architecture uses an N-channel MOSFET configured as a high-side switch with charge-pump gate drive, supporting a wide logic-level input interface for direct connection to microcontrollers. Its 35 mΩ on-resistance minimises conduction losses at full load, while the built-in current-limit and temperature monitoring ensure robust operation in fault conditions. Typical applications include industrial PLCs, factory automation loads, programmable logic controllers, solenoid and valve drivers, lighting relay replacements, and protected 24 V power distribution in building automation. The wide operating voltage range also makes it suitable for 12 V/24 V battery-driven systems in commercial vehicles and rugged industrial equipment. When designing with this device, ensure the input capacitor (typically 100 nF close to Vbb) and sufficient PCB copper area on the exposed pad are provided for thermal dissipation. The status output requires a pull-up resistor to logic high, and the enable logic must be observed during system power-up sequencing to avoid inrush glitches. This page synthesises distributor pricing, PROFET family variants, and practical design notes for the ITS4035S-EP family not found in the manufacturer datasheet alone.
ITS4040DEPDXUMA1 - 40mΩ Dual Smart High-Side Switch | Infineon
The Infineon ITS4040DEPDXUMA1 is a 40 mΩ dual-channel smart high-side power switch from the PROFET™ (Protected FET) family, providing two independent channels each capable of more than 2 A continuous load current, integrated protection functions, and digital diagnosis feedback. Housed in a PG-TSDSO-14 exposed-pad package, the device is designed for 24 V and 48 V automotive and industrial load driving applications with a wide operating voltage range of -0.3 V to 45 V (load-dump tolerant). Each channel is built around an N-channel vertical power MOSFET that supports 1:1 (high-side) switching topologies with a typical on-state resistance of 60 mΩ at TJ = 125 °C. A high-side switch (HSS) is a power-distribution switch placed between the supply rail and the load, allowing a low-voltage microcontroller to energize or de-energize a load such as a lamp, solenoid, valve, relay coil, or motor winding. The "smart" qualifier means protection, current sensing, and fault feedback are integrated on-die, eliminating discrete fuses, sense resistors, and gate drivers. PROFET devices fit the hierarchy: power MOSFET -> high-side switch -> smart power switch -> power management IC -> semiconductor. Key features include two independent 2.6 A-rated channels (4.1 A combined peak capability per datasheet summary), typical RDS(ON) of 60 mΩ per channel at TJ = 125 °C, integrated reverse-battery, over-voltage, over-current, over-temperature, and short-to-ground/short-to-battery protection, plus a current-sense diagnostic pin (IS) proportional to load current. The exposed-pad PG-TSDSO-14 package enables low thermal resistance and direct PCB heat spreading. A logic-level 3.3 V/5 V-compatible input interface allows direct GPIO control from microcontrollers. Typical applications include automotive body and chassis ECUs, 24 V truck and 48 V mild-hybrid loads, industrial PLC outputs, relay and valve drivers, LED lighting modules, and any 24 V/48 V system requiring protected, diagnosable high-side switching. The dual-channel architecture saves board space by replacing two discrete PROFET parts with a single IC while sharing the exposed pad for cooling. Design considerations include adequate copper area on the PCB to keep TJ below the thermal-shutdown threshold under worst-case load and ambient conditions, decoupling of the VCC logic supply near the IC, and protection against fast load-dump transients beyond the 45 V absolute maximum. Designers must also de-bounce the IS sense signal when used for PWM-driven loads to avoid false fault triggers. This page synthesizes distributor pricing as of 2026-09-14, parametric drop-in alternatives in the same PG-TSDSO-14 footprint, and practical PCB design guidance not found in a single manufacturer datasheet, providing information gain over DigiKey/Mouser catalog pages.
ITS4075QEPDXUMA1 - 75mΩ Quad Smart High-Side Switch | Infineon
The Infineon ITS4075QEPDXUMA1 is a 75 mΩ quad-channel smart high-side power switch in a PG-TSDSO-14 exposed-pad package, integrating four independent channels each capable of more than 2 A continuous load current with typical on-state resistance of 120 mΩ at Tj = 125 °C. Designed for industrial automation and automotive body electronics, it provides integrated protection functions (overcurrent, short-circuit, over-temperature, overvoltage, undervoltage lockout) plus a current-sensed diagnostic feedback pin per channel. The 4-channel integration minimizes PCB area versus discrete MOSFET solutions while simplifying the host MCU interface to a single analog/feedback rail. A smart high-side switch is a semiconductor relay built around one or more N-channel power MOSFETs that connect a load to the positive supply rail under logic-level control. Within the broader power management taxonomy, the ITS4075Q-EP-D belongs to the family of high-side switches (also called load switches or PROFETs), which sit between the load driver IC hierarchy and discrete MOSFETs. Infineon's PROFET+ family specifically targets harsh 24 V industrial and 12 V automotive environments with on-state resistance values in the 30 mΩ to 200 mΩ range, four protective functions plus diagnosis, and reverse-polarity support through external components. Key features include a wide 5 V to 45 V operating supply range, 2.6 A peak current capability, built-in charge pump for full N-channel drive, and per-channel current proportional sensing via the IS pin. The exposed-pad PG-TSDSO-14 package achieves RthJA values appropriate for 2 A continuous operation on standard JEDEC 1s0p test boards, and the 150 °C maximum junction temperature allows high transient handling for inductive loads. Slew-rate control at each output reduces EMI on switch edges. Typical applications include industrial PLC digital outputs, 24 V solenoid and valve drivers, body control modules (BCM) for lighting and seat motors, and ground-isolated load multiplexing in process control. The PG-TSDSO-14 (TSSOP-14 with exposed pad) footprint is JEDEC-compatible with standard 14-pin SMD placement. When designing with this part, reserve headroom for the charge-pump supply and ensure the 150 Ω GND resistor (for reverse-polarity operation) or reverse-current diode is sized correctly per datasheet guidance. Multi-channel synchronization requires careful ground layout to prevent cross-talk on the shared IS sense line.
ITS4080SEPDXUMA1 - 8A Smart High-Side Switch | Infineon PROFET
The Infineon ITS4080SEPDXUMA1 is a 1-channel smart high-side N-channel power switch from the PROFET Industrial family, rated for 8 A continuous load current with a typical on-state resistance of 80 mΩ and housed in a PG-TSDSO-14 surface-mount package. The part integrates a vertical N-channel power MOSFET with CMOS control logic and offers comprehensive diagnostic and protection features including overcurrent, overtemperature, short-circuit, and overvoltage clamping, all within a single 14-pin device. A high-side power switch is a type of power distribution switch that connects a load to the positive supply rail and is controlled by a low-voltage logic-level signal from a microcontroller. It belongs to the broader category of power management ICs (PMICs) and, more specifically, the smart switch / load driver subcategory. Unlike a discrete MOSFET driven by a gate resistor network, a smart high-side switch such as ITS4080SEPDXUMA1 includes built-in charge pump, current sensing, status feedback, and fault protection, dramatically simplifying the BOM and improving system reliability in industrial automation, building control, and automotive body modules. Key features include 80 mΩ typical RDS(on), a 45 V load-dump tolerant supply rating suitable for 24 V industrial buses, slew-rate controlled turn-on for reduced EMC emissions, a diagnostic feedback pin that reports open-load and overtemperature conditions, and a ground-loss tolerant logic interface. The integrated charge pump drives the internal N-channel MOSFET gate above the supply rail, achieving true low-loss switching without external bootstrap components. The device uses a vertical DMOS output stage combined with a bipolar-CMOS-DMOS (BCD) mixed-signal control block. A sense-FET inside the package mirrors load current into a current sense output pin (IS pin), enabling real-time load monitoring and short-circuit detection with a programmable threshold set by an external resistor. Typical applications include 24 V industrial PLC digital outputs, programmable logic controller (PLC) actuator drivers, solenoid and valve control, lighting relays, HVAC damper drivers, and replacement of electromechanical relays in body electronics modules. The 45 V rating comfortably covers the worst-case load-dump transient on a 24 V industrial bus. When designing with the ITS4080SEPDXUMA1, ensure the IS sense resistor is sized for the application-specific trip current, and use a TVS or reverse-battery protection diode on VBB to survive automotive-grade transients if used in vehicle applications. Note that this is the standard PROFET grade, not the AEC-Q100 qualified automotive grade. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing a single source of truth for engineers evaluating PROFET-based high-side switches.