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MCZ33887EKR2 - 5A H-Bridge Driver w/ Load Current Feedback | NXP
The NXP MCZ33887EKR2 is a 5.0 A monolithic H-Bridge Power IC with integrated load current feedback, housed in a 54-SSOP (0.295 inch / 7.50 mm width) exposed-pad package for surface mount applications. It operates from a 5 V to 28 V supply range and features a low on-state resistance of 120 mOhm (typical per MOSFET leg), making it ideal for driving DC motors, solenoids, and resistive/inductive loads up to 5 A continuous. An H-Bridge (also called a four-quadrant DC motor driver or full-bridge driver) is a power topology built from four switching elements that allows current to be driven through a load in either direction. It belongs to the broader motor-driver IC family, which itself sits within the power management IC category - devices that convert, regulate, and deliver power to downstream loads. Closed-loop current feedback is the key feature that elevates the MCZ33887EKR2 above simple half-bridge drivers, enabling precise torque control in DC motor applications such as throttle-by-wire. Key differentiating features include built-in charge pump (only external capacitor needed), internal control logic for direction/coast/brake modes driven by two logic inputs, internal PWM current limiting via a programmable reference, and load-current feedback through a dedicated analog output pin proportional to motor current. The exposed thermal pad on the 54-SSOP package keeps junction temperature rise manageable even when dissipating the full I*I*R loss of high-current loads. Architecturally, the part combines four DMOS power transistors, gate drivers, charge pump, current-sense shunt amplifier, and protection circuitry on a single power IC die. The integrated current sense amplifier outputs a voltage proportional to load current, eliminating the need for an external sense resistor and supporting closed-loop torque control without additional analog components. Typical applications include DC motor control in throttle-by-wire systems, HVAC flap actuators, mirror adjusters, seat positioners, idle speed control, and similar 12 V body electronics applications. Industrial uses extend to small brushed DC gear motors and bidirectional solenoid valves. Automotive was the primary design target, given the 5-28 V supply and load-dump tolerant characteristics. When using this part, ensure adequate copper area on the PCB for thermal management - the exposed pad must be soldered to a sufficient copper pour to handle the I^2R dissipation at high currents. The PWM frequency should be selected above the audible range (>20 kHz) for noise-sensitive applications, and the current-limit reference resistor should be sized based on the desired peak motor current. This page synthesizes distributor pricing, NXP/Freescale generation family cross-references, and practical PCB layout notes not found in the standalone manufacturer datasheet, giving engineers a one-stop reference for H-Bridge selection.
MCZ33903BD3EK - SBC CAN HS 3.3V 32-SOIC EP | NXP
The NXP MCZ33903BD3EK is a second-generation System Basis Chip (SBC Gen2) integrating a high-speed CAN transceiver, a LIN transceiver, and a 3.3 V logic supply in a 32-pin SSOP-EP (exposed pad) package, designed for automotive body and chassis ECUs. It operates from a 5.5 V to 28 V supply rail, supports CAN Normal/Sleep modes, and provides a regulated 3.3 V output for microcontroller power, simplifying BOM and PCB area for nodes that previously needed discrete transceivers plus a separate LDO. A System Basis Chip is a multi-function analog/digital mixed-signal IC that consolidates the power, communication, and housekeeping blocks of a distributed automotive ECU onto one die. In the broader taxonomy, the SBC sits between discrete CAN/LIN transceivers (one function per chip) and full automotive microcontrollers (which now increasingly integrate the SBC inside the MCU package). The 33903 family is NXP's second-generation SBC, succeeding the 33390 series, and adds enhanced low-power Sleep mode current, watchdog, and SPI-configurable features. Key features include a high-speed CAN physical layer compliant with ISO 11898, a LIN 2.x physical layer, a 3.3 V / ~100 mA auxiliary regulator for the host MCU, an SPI interface for control and diagnostics, and low Sleep-mode quiescent current optimized for always-on automotive networks. The exposed thermal pad on the 32-SSOP-EP package reduces junction-to-ambient thermal resistance and improves dissipation when the SBC delivers continuous current to its MCU load. The device uses NXP's SMARTMOS technology, mixing high-voltage analog power stages with CMOS digital logic. CAN HS supports up to 1 Mbit/s bus speed, dominant output driver with slope control, and bus-fault diagnostics; the LIN block supports 20 kbit/s master/slave with integrated pull-up. Both bus pins survive automotive transient events typical of 12 V body and 24 V truck systems. Typical applications include automotive body controllers, HVAC control modules, seat and mirror controllers, lighting ECUs, door modules, and CAN/LIN gateway nodes where one chip replaces a discrete CAN + LIN + 3.3 V LDO stack. The wide 5.5 V to 28 V input range covers both 12 V passenger and 24 V commercial vehicle battery systems. When designing with this SBC, ensure the exposed pad is soldered to a sufficiently large copper pour (>=1 sq. in.) to keep junction temperature within SOA during 3.3 V regulator full load. Add bulk capacitance at VCC and a 100 nF decoupling capacitor close to each supply pin to meet automotive EMC and ESD requirements per ISO 7637. This page compiles datasheet-grade specifications, distributor stock, drop-in pin-compatible alternatives (same 32-SSOP-EP footprint), and design-embedded guidance not duplicated on NXP's product brief, saving engineering time during component selection.
MCZ33903BS3EK - SBC CAN HS 3.3V | NXP | 32-SSOP-EP
The NXP MCZ33903BS3EK is a second-generation System Basis Chip (SBC Gen2) integrating a high-speed CAN transceiver, a LIN transceiver, a 3.3V low-dropout voltage regulator, and protected outputs into a single 32-pin SSOP with an exposed thermal pad (SSOP-32 EP). The device operates from a 5.5V to 28V supply range, making it well-suited to 12V and 24V automotive battery rails while powering an external microcontroller through its internal 3.3V LDO. A System Basis Chip is a category of mixed-signal automotive IC that combines physical-layer transceivers with power management and supervision functions on one die. The SBC sits between the vehicle bus and the microcontroller, providing both the bus interface (CAN/LIN) and the regulated rails the MCU needs to run. This integration reduces PCB area, simplifies EMC compliance, and centralizes fault handling for the ECU. Key features include HS-CAN ISO 11898-2/-5 conformance, a LIN 2.x physical layer compliant with SAE J2602, a 3.3V LDO capable of sourcing the host MCU, two wake-up capable inputs, and a low-power standby mode with typical quiescent current in the microamp range. The exposed pad on the 32-SSOP package provides a low thermal resistance path for the internal linear regulator, which can dissipate significant power when VIN is high and the load is heavy. Architecturally, the MCZ33903BS3EK uses independent charge pumps for the CAN driver to support low-power modes, separate ESD-protected bus pins compliant with IEC 61000-4-2 style automotive transients, and internal window watchdog logic that can be routed to the host MCU. The device also offers fault protection on the battery pin (load-dump tolerant to 40V) and on the bus pins, which is essential for OEM automotive qualification. Typical applications include body car ECU chassis and HVAC control modules, body controllers in vehicle body control modules, instrument clusters with CAN/LIN connectivity, and gateway ECUs that bridge CAN and LIN subnets. The wide 5.5V-28V operating range also supports industrial CAN nodes that need a regulated 3.3V rail. When designing with this device, place the exposed pad on a sufficiently large copper pour because the internal LDO can dissipate several watts under high VIN-VOUT differential. Decoupling on VBAT, VCC, and the 3.3V output must follow NXP reference layout guidance for EMC compliance. This page synthesizes current distributor pricing, drop-in alternative listings, and practical design notes not consolidated in the manufacturer datasheet.
MCZ33903C3EK - SBC with 2 LDOs & High-Speed CAN | NXP
The NXP MCZ33903C3EK is an automotive-grade System Basis Chip (SBC) Gen2 that integrates two 3.3V / 400 mA low-dropout regulators, one high-speed CAN transceiver, and a wake-up input, housed in a 32-pin SOIC-EP wide-body exposed-pad package. It is built for body and powertrain networks that need a single IC to deliver CAN connectivity plus regulated rails for an external microcontroller. An SBC is a mixed-signal power-and-communication IC that combines a CAN (or LIN) transceiver, voltage regulators, and housekeeping logic in one package. By consolidating these functions, an SBC shrinks the BOM, reduces quiescent current in sleep mode, and gives the MCU a clean 3.3V rail plus a robust physical layer for in-vehicle networking. The MCZ33903C3EK is one of NXP's second-generation SBCs designed for 12V automotive battery systems. Key features include two independent 3.3V/400 mA LDO outputs, an integrated high-speed CAN physical layer compliant with ISO 11898, one wake-up input capable of waking the network from sleep, and a 5.5V to 28V supply operating window that handles load-dump and cranking transients on a 12V automotive bus. The exposed thermal pad lowers theta_JA so the part can sustain the regulator currents without external heatsinking in normal automotive environments. On the silicon side, the device uses NXP's SMARTMOS process with on-chip thermal shutdown, short-circuit protection on both LDOs, and bus-pin ESD protection that exceeds automotive IEC 61000-4-2 expectations. The high-speed CAN driver meets the loop-delay and recessive-bit symmetry requirements of ISO 11898-5, allowing reliable communication at 1 Mbit/s on twisted-pair automotive harnesses. Typical applications include automotive body controllers, HVAC modules, seat controllers, instrument clusters, and gateway nodes where a small MCU plus a CAN bus is the entire node function. The block is also commonly used in industrial CAN nodes that need a wide supply input range and automotive-grade robustness. When designing with this part, allocate a 4-layer PCB with a ground pour under the exposed pad; bypassing both LDOs with 1 µF X7R ceramic capacitors placed within 2 mm of the pins keeps regulator noise below 50 µVrms. The CAN bus termination, ESD clamp, and split-pin network should follow the typical application circuit in the device datasheet. This page synthesizes distributor pricing, drop-in NXP same-family variants, and practical design notes not consolidated on any one distributor page, complementing NXP's product brief with engineer-ready selection guidance.
MCZ33903C5EK - SBC Gen2 with High-Speed CAN & LIN | NXP
The NXP (formerly Freescale) MCZ33903C5EK is a second-generation System Basis Chip (SBC) that integrates a high-speed CAN transceiver (ISO 11898-2 and -5), a LIN interface, and an advanced power-management unit for 5V microcontrollers, sensors, and CAN transceivers, all in a 32-pin SOIC-EP package. The C5 variant specifies 20 kbps minimum CAN data rate with Normal/Sleep mode behavior, and supports automotive battery rails at 9V, 12V, 15V, 18V, and 24V nominal supplies. The integrated 5V regulator supplies external loads and the SBC itself. A System Basis Chip is a category of mixed-signal automotive IC that combines a voltage regulator with one or more communication transceivers (CAN, LIN, FlexRay) on a single die, reducing module PCB area and bill-of-materials versus discrete implementations. SBCs sit hierarchically under automotive microcontroller power trees and above discrete CAN/LIN transceivers, providing watchdog, reset, fail-safe state machine, and bus diagnostics that no discrete transceiver offers. Key features include built-in enhanced high-speed CAN compliant with ISO 11898-2 and -5, local and bus failure diagnostics, integrated protection and fail-safe handling, normal and sleep modes, watchdog and reset generation, and a 5V LDO output. The 32-pin SOIC-EP provides an exposed thermal pad for heat dissipation in body, chassis, and powertrain modules that run directly from the 12V automotive bus. Architecturally, the device couples a synchronous buck pre-regulator feeding an internal 5V LDO with charge-pump biasing for the high-speed CAN drivers; LIN is implemented as a windowing, slew-rate-controlled physical layer per ISO 17987. Diagnostic state machines flag dominant timeouts, thermal shutdown, and CAN bus dominant clamping for the host MCU. Typical applications include automotive body control modules, HVAC controllers, seat control units, instrument clusters, gateway modules, and other 12V-powered ECUs that require networked communications and regulated MCU power. The wide 9V-27V operating range supports both traditional 12V and emerging 24V heavy-duty truck electrical systems with adequate transient headroom. When designing with this part, observe load-dump and jump-start transient immunity per ISO 7637, place bulk and bypass capacitance close to the regulator and CAN pins, and verify dominant-timeout timing in the chosen sleep/wake strategy. The exposed pad must be soldered to a sufficient copper pour to keep junction temperature within the -40C to +125C operating range at full load. This page synthesizes distributor pricing, drop-in alternatives, and practical automotive design notes not found in the bare manufacturer datasheet, with citations to NXP's official MC33903 product page.
MCZ33903C5EKR2 - SBC with CAN/LIN, 5V MCU Regulator | NXP
The NXP MCZ33903C5EKR2 is a second-generation System Basis Chip (SBC Gen2) integrating a high-speed CAN transceiver, a LIN interface, and a 5.0 V / 3.3 V selectable MCU voltage regulator in a 32-pin SOIC Wide EP package. It targets automotive and industrial networked nodes requiring a single-chip power-and-comms front end. A System Basis Chip is a power management IC that combines a voltage regulator, communication transceivers (CAN, LIN, FlexRay), and system-level protections into one package. It sits between the battery / 12 V bus and the microcontroller, simplifying BOM, reducing PCB area, and providing deterministic behavior under fault conditions such as load dump, reverse battery, and ground loss. The MCZ33903C5EKR2 includes a fully-protected embedded 5.0 V regulator for the CAN driver, voltage/current/temperature protection, extremely low quiescent current in Low-Power (LP) modes for sleep compliance, and part-number-selectable 5 V / 3.3 V MCU rail with the option of an external PNP transistor to extend current capability and share dissipation. The HS-CAN transceiver operates from 9 V / 12 V / 15 V / 18 V / 24 V bus rails with 20 kbps-class normal and sleep modes; the LIN interface complies with ISO 17987. Architecturally the device combines an LDO regulator core with CAN/LIN physical-layer transceivers, watchdog logic, SPI configuration, and reset generation, which together cut the MCU area of an automotive BCM or body controller. The exposed pad (EP) of the SOIC-32W lowers thermal resistance when the external PNP transistor is used for high-current MCU rails, which is critical for ECU thermal budgets. Typical applications include automotive body control modules (BCM), HVAC modules, instrument clusters, gateway ECUs, and industrial sensor actuators connected via CAN or LIN. The wide input range supports 12 V and 24 V battery systems used in trucks, off-highway vehicles, and industrial machines. When designing with this part, ensure the exposed pad is soldered to a continuous copper pour to meet thermal performance. The 5 V / 3.3 V output voltage is selected by part-number ordering options, not by external pins - verify the desired MCU rail voltage at ordering time. The low-quiescent LP modes must be sequenced correctly through SPI commands to avoid spurious CAN-bus wake events. This page synthesizes distributor pricing, drop-in alternatives, and engineering design notes not collected in the manufacturer datasheet, with parameters anchored to the FindIC and DigiKey listings as of 2026-10-15.
MCZ33903CD3EK - System Basis Chip with CAN/LIN | NXP
The NXP MCZ33903CD3EK is a second-generation System Basis Chip (SBC) for automotive body and network modules, integrating an enhanced high-speed CAN transceiver (ISO 11898-2/-5), two LIN 2.0 transceivers, an auxiliary 5.0 V / 3.3 V selectable MCU supply, and a low-power modes controller in a single 32-pin SOIC W EP (exposed pad) package. The device is AEC-Q100 qualified and is specified for 9 V to 18 V bus operation with full 27 V load-dump tolerance, with extended range up to 27 V supply and down to 6.5 V cold-crank, making it a true automotive-grade power and bus companion for 5 V or 3.3 V microcontrollers. A System Basis Chip (SBC) is an automotive-specific category of power-management-plus-interface ICs that consolidates a voltage regulator, one or more communication transceivers, and supervision/monitoring into a single package. SBCs sit one layer above plain voltage regulators in the power-management IC hierarchy (LDO -> voltage regulator -> SBC -> power management IC) and replace a discrete implementation that would otherwise need a separate CAN/LIN transceiver IC, a 5 V/3.3 V regulator and a watchdog supervisor. Compared to discrete designs, an SBC reduces PCB area, simplifies ECU layout, and provides integrated fault diagnostics. Key features of the MCZ33903CD3EK include built-in ISO 11898-2 and ISO 11898-5 high-speed CAN with local and bus failure diagnostics and bus dominant time-out protection, two LIN 2.0 / J2602 compliant transceivers, MCU voltage selection (5 V or 3.3 V via state-machine programming) with optional external PNP pass transistor for current sharing, voltage/current/temperature protection, and very low quiescent current in low-power modes to support battery-saving shutdown states. The 32-pin SOIC Wide Body with exposed pad provides a thermal path capable of dissipating the device and, when used, the external PNP’s power. Typical applications include automotive body controllers, HVAC modules, seat and door-zone ECUs, instrument clusters, gateway nodes, and any 12 V module that must combine bus connectivity with MCU power management. The device integrates diagnostics for bus faults and over-temperature/over-voltage, lowering host software burden and supporting ISO 26262 functional-safety system design. When designing with this device, follow NXP’s reference layouts for the SOIC W EP thermal pad, use a low-impedance ground return from the exposed pad to the ECU ground plane, and select the 5 V / 3.3 V MCU rail via the SPI-configurable voltage select register before MCU firmware transitions to full-run. Watch the LIN bus dominant time-out timer for compliant bus arbitration in your network.
MCZ33903CD5EK - SBC with HS-CAN & LIN, 5V LDO | NXP
The NXP MCZ33903CD5EK is a second-generation System Basis Chip (SBC) integrating an enhanced high-speed CAN transceiver compliant with ISO 11898-2 and ISO 11898-5, a LIN 2.0 interface, a 5V/200mA LDO voltage regulator, and four low-side drivers in a 32-pin SSOP-EP exposed-pad package. A System Basis Chip (SBC) is a category of automotive-qualified mixed-signal IC that consolidates a 5V (or 3.3V) microcontroller power supply with one or more in-vehicle bus transceivers (CAN, LIN, FlexRay) and sometimes watchdog or low-side switches. SBCs sit hierarchically between discrete CAN transceivers (e.g., MC33388) and full automotive microcontroller power-management units, simplifying BCM (Body Control Module), gateway, and HVAC blower designs by replacing 3-5 ICs with one chip. The MC33903 family is the second-generation evolution of the MC33389 SBC family. Key features include HS-CAN supporting 1 Mb/s with local and bus failure diagnostics, a LIN 2.0 physical interface, a 5V low-dropout regulator delivering up to 200 mA for the host MCU, four configurable low-side drivers rated to 1.5A, integrated SPI-configurable safety watchdog, and reset generation with power-on/power-off warning. Operating voltage range covers 5.5V to 27V (load-dump tolerant to 40V), with low sleep-mode current under 100 uA. The 32-SSOP-EP exposed pad enables PCB heat dissipation at 1.5A driver loading. The device uses a Freescale-developed automotive process with extensive ESD protection (8 kV HBM on CAN bus pins) and ISO 11898-5 low-power mode support. Internal diagnostics report bus dominant time-out, overtemperature, and under-voltage events via SPI to the MCU. Common applications are automotive body control modules, HVAC blower controls, instrument clusters, and CAN/LIN gateway nodes. Designers choose the MC33903 to consolidate multiple bus interfaces behind a single SPI port while maintaining AEC-Q100-grade reliability. Watchdog validation. When routing the PCB, place the exposed pad over a continuous copper pour connected to PGND, and keep the CANH/CANL traces as a 100-ohm differential pair matched within 5 mm. This page synthesizes distributor inventory, AEC-Q100 alternatives, and PCB layout guidance not found in the manufacturer datasheet alone.
MCZ33903CP3EKR2 - SBC Gen2 CAN/LIN 32-SOIC-EP | NXP
The NXP (formerly Freescale) MCZ33903CP3EKR2 is a second-generation System Basis Chip (SBC) integrating a high-speed CAN transceiver, a LIN transceiver, a 5.0 V / 3.3 V LDO voltage regulator for MCU supply, and protection circuitry in a single 32-pin SOIC package with an exposed thermal pad. The device targets automotive and industrial network node applications where PCB area, component count, and reliability targets must all be minimized simultaneously. A System Basis Chip (SBC) is an integrated circuit that combines multiple power, communication, and protection functions traditionally implemented as discrete blocks. It belongs to the broader hierarchy of: System Basis Chip -> transceiver IC -> interface IC -> power management IC -> semiconductor. SBCs are widely used in body electronics, chassis controllers, and gateway ECUs where a microcontroller needs a local regulated supply, robust network connectivity, and fault protection in one IC. Key functional blocks of the MCZ33903CP3EKR2 include a high-speed CAN physical layer compliant with ISO 11898, a LIN 2.x physical layer, an MCU-supply LDO selectable between 5.0 V and 3.3 V to support a wide range of microcontrollers, low-quiescent-current sleep and standby modes, and comprehensive protection features: voltage and current monitoring, thermal shutdown, and a watchdog. The exposed thermal pad on the 32-SOIC package improves power dissipation for the integrated LDO under high input-voltage automotive transients such as jump-start and load-dump events. Architecturally, the chip uses independent transceiver macros for CAN and LIN and a low-drop linear regulator with selectable output voltage. Normal and Sleep power modes are accessible via the SPI/I/O control interface, with extremely low quiescent current in Sleep to preserve battery life in always-on automotive networks. The wide operating voltage supports direct connection to 12 V automotive rails. Typical applications include automotive body control modules, HVAC and lighting ECUs, door and seat modules, CAN/LIN gateway nodes, and industrial sensor interfaces requiring both bus connectivity and local MCU power. The combination of integrated CAN, LIN, and LDO reduces BOM and PCB footprint compared to discrete solutions. When designing with this SBC, verify the LDO current capability against the worst-case MCU plus sensor load, and ensure the exposed pad is soldered to sufficient copper area for thermal performance under load-dump conditions.
MCZ33903CP5EK - SBC Gen2 with Hi-Speed CAN, 32-SOIC EP | NXP
The NXP MCZ33903CP5EK is a second-generation System Basis Chip (SBC Gen2) integrating a 5V/3.3V-selectable voltage regulator for the host MCU, a high-speed CAN transceiver compliant with ISO 11898-2 and ISO 11898-5, an SPI-controlled companion interface, and comprehensive system protection, all housed in a 32-pin SOIC wide-body package with an exposed thermal pad. A System Basis Chip (SBC) is a category of multi-functional automotive IC that combines power management with one or more communication transceivers (CAN, LIN, FlexRay) into a single package. SBCs sit hierarchically below the host microcontroller on the vehicle network, acting as the power-and-protocol gateway between the MCU, sensors, and the in-vehicle bus. By collapsing what used to require three or four discrete ICs into one part, SBCs reduce PCB area, quiescent current, and BOM cost in automotive ECUs. Key features of the MCZ33903CP5EK include an integrated HS-CAN transceiver supporting 20 kbps bus speeds in Normal and Sleep modes, a 5V/3.3V LDO with the option of an external PNP transistor to extend current capability and share dissipation, voltage/current/temperature protection, and extremely low quiescent current in low-power modes for battery-friendly standby. The chip also exposes two 5V/400 mA protected supplies (V1 and V2) for sensors or peripherals, and full local/bus failure diagnostics for the CAN network. Architecturally, the device pairs a fully-protected embedded 5V voltage regulator with an independent ISO 11898-compliant CAN physical layer. The exposed pad on the SOIC-32 WP package enables higher dissipation than the standard SOIC-32, which is critical because the device drives both itself and external loads. Built-in window watchdog and SPI diagnostics give the host MCU visibility into faults from the supply rail all the way to the bus pins, helping automotive platforms meet ISO 26262 functional-safety goals. Typical applications include automotive body controllers, gateway ECUs, instrument clusters, infotainment head units with CAN connectivity, chassis modules, and HVAC control units. The wide 9V to 27V (and tolerant up to 40V) input range makes it drop-in ready for 12V and 24V vehicle battery rails, and the AEC-Q100 qualification (Automotive temperature grade) suits it for under-hood and cabin environments across passenger and commercial vehicles. When designing with the MCZ33903CP5EK, always solder the exposed thermal pad to a properly sized copper pour; the chip drives two 400 mA rails so dissipation can be significant. Decouple VBAT, V1, V2, and VDD with the capacitor values recommended in the manufacturer datasheet, and provide a clean chassis ground for the CAN shield. This page synthesizes NXP datasheet data, distributor stock signals, drop-in alternatives, and application-specific design notes not found on a single distributor product page.
MCZ33904C5EK - 5V SBC, 2x 400mA LDO, HS-CAN, SOIC-32 EP | NXP
The NXP MCZ33904C5EK is a second-generation System Basis Chip (SBC) in a 32-pin SOIC-EP package that integrates an enhanced high-speed CAN ISO 11898-2/-5 transceiver, two 5.0 V / 400 mA on-chip LDOs, and four wake-up inputs designed for automotive body and powertrain networks. It operates from a 5.5 V to 27 V supply (with load-dump tolerance to 40 V), targets the 9 V / 12 V / 15 V / 18 V / 24 V automotive bus rails, and is qualified to AEC-Q100 grade 0. A System Basis Chip is an application-specific power management + communication IC that combines a 5 V MCU supply, physical-layer bus interfaces, and housekeeping functions such as watchdog, reset, wake-up, and fail-safe state machine into a single die. Within the broader taxonomy, the SBC sits between a discrete LDO + CAN transceiver + watchdog solution (lower integration) and a fully integrated automotive microcontroller + transceiver (higher integration); it is a category of power management IC tailored to 12 V automotive networks. Key features of the MCZ33904C5EK include: high-speed CAN interface with local and bus failure diagnostics plus fail-safe mode, two parallel 400 mA 5 V regulators (one for MCU core, one for peripherals or sensors), four configurable wake-up inputs, low standby current for sleep mode, SPI configuration of the device, and protected outputs (overtemperature, overcurrent, undervoltage). The 32-SOIC-EP exposed pad lowers thermal resistance so the part can sustain continuous 800 mA combined LDO load. Technically, the device pairs an SMPS-grade internal bandgap reference with parallel-pass LDO topology and a current-limited CAN bus driver that meets ISO 11898-2/-5 physical-layer requirements. The integrated fail-safe state machine handles loss-of-supply and bus errors without MCU intervention, which is critical for ISO 26262 ASIL-relevant subsystems. The combination of two independent 5 V rails with 400 mA each enables redundant MCU and sensor supply topologies. Typical applications include automotive body control modules (BCM), gateway modules between CAN and LIN sub-networks, instrument cluster power and communication, HVAC controllers, seat and door-zone modules, and powertrain ECUs that require HS-CAN plus protected 5 V rails. Per NXP product page, this part is approaching End of Life - confirm last-time-buy windows before new designs. Key design tip: place the exposed pad on a top-layer copper pour of at least 1 in² to keep the junction temperature within the 150 °C limit when sourcing 800 mA combined from the two LDOs. Decouple VCC with 100 nF + 4.7 µF ceramic placed within 5 mm of the supply pin. This page consolidates distributor pricing, drop-in compatible variants, application notes, and design considerations beyond what the manufacturer datasheet provides in isolation.
MCZ33905BS5EKR2 - 5V CAN+LIN System Basis Chip | NXP
The NXP MCZ33905BS5EKR2 is a 5 V System Basis Chip (SBC) with a high-speed CAN (HSCAN) transceiver, a single-wire LIN interface, and an integrated 5 V/250 mA low-dropout (LDO) regulator, housed in a 32-pin HSOP (32-SOIC-EP) package with an exposed thermal pad. Designed around NXP's SMPS-based SBC architecture, it operates from a 5.5 V to 28 V supply (with load-dump survival typical of automotive 12 V rails) and targets body-electronics and chassis networking. What is an SBC? A System Basis Chip integrates a CAN/LIN physical layer, a voltage regulator, reset circuitry, and watchdog logic that were historically implemented as discrete components. Sitting between the 12 V bus and an MCU, an SBC reduces PCB area, simplifies EMC filtering, and provides deterministic power-up sequencing required for automotive microcontrollers. Key features include an internal 5 V LDO rated for 250 mA, a full ISO 11898-5 compliant CAN transceiver with bus fault protection, a single-wire LIN 2.x interface, a reset output with adjustable threshold, a watchdog timer windowed to the MCU, and a low-power Sleep mode with wake-on-CAN/LIN capability. The exposed pad (EP) on the 32-SSOP/HSOP body reduces thermal resistance and supports sustained current on the 5 V rail at elevated ambient temperatures. Typical applications are automotive body controllers, instrument clusters, HVAC panels, seat and mirror modules, lighting ECUs, and gateway nodes bridging CAN and LIN subnets. The wide 5.5 V to 28 V operating window absorbs cranking and load-dump transients seen on 12 V automotive rails, eliminating the need for an external pre-regulator. When laying out this SBC, keep the high-current ground return under the exposed pad stitch directly to the chassis ground plane with multiple vias; place the 5 V output bypass within 5 mm of the VCC_HV pin to suppress switching residual. This page synthesizes distributor pricing, drop-in alternatives drawn from NXP's SBC portfolio and qualified cross-brand sources, and practical design notes not found on the manufacturer product page alone.
MCZ33905CD3EK - SBC CAN HS 3.3V Dual LIN 54-SOIC-EP | NXP
The NXP MCZ33905CD3EK is a second-generation System Basis Chip (SBC) for automotive and industrial CAN/LIN networks, integrating a 3.3V VCC supply for the host MCU, a high-speed CAN transceiver (ISO 11898-2/-5), and dual LIN transceivers in a single 54-pin SOIC-EP package rated for surface mount assembly. A System Basis Chip (SBC) is an automotive-grade mixed-signal IC that consolidates the power management, communication transceivers, and protective functions a microcontroller needs around it. Instead of placing a stand-alone LDO, CAN transceiver, LIN transceiver, and reset supervisor separately, an SBC merges these blocks behind a single fault-tolerant interface, which simplifies board layout, reduces BOM count, and improves diagnostic coverage for chassis and body electronics modules. The device operates from a 5.5V to 28V supply range and supports normal/sleep modes with low quiescent current for battery-friendly standby. It integrates enhanced high-speed CAN compliant with ISO 11898-2 and ISO 11898-5, with local and bus failure diagnostics, protection, and fail-safe behavior. Two LIN 2.x transceivers support body-domain slaves such as seat controllers, window lifters, mirror modules, and sensor clusters. A dedicated 3.3V low-dropout regulator powers the host MCU, while a separate tracker/auxiliary output supports additional ICs. In operation, the MC33905 sits between the 12V automotive battery rail and a 32-bit MCU. The internal 3.3V LDO feeds the MCU core, the CAN bus is routed through the integrated HS-CAN transceiver to bus pins, and the dual LIN channels are exposed for slave-node communication. The exposed pad (EP) of the 54-SOIC-EP provides the thermal path for sustained battery-voltage load transients. Key applications include automotive body control modules, gateway modules, HVAC controllers, instrument clusters, and industrial CAN nodes that require both LIN master/slave and HS-CAN. Engineers typically select this SBC when a single-chip solution reduces PCB area, BOM cost, and EMC complexity in mixed CAN/LIN networks. This page synthesizes distributor availability, parametric positioning, and design guidance not found in the manufacturer datasheet, including a curated cross-reference of same-family NXP SBCs that share the same footprint and pinout, enabling drop-in replacement in long-life programs. When designing, ensure the exposed pad is soldered to a sufficiently large copper pour to meet the thermal and ground-return requirements of automotive load-dump and jump-start transients, and respect the absolute maximum Vbat rating during reverse-battery events.
MCZ33905CS3EK - 3.3V SBC CAN/LIN System Basis Chip | NXP
The NXP MCZ33905CS3EK is a second-generation System Basis Chip (SBC) that integrates a 3.3V linear voltage regulator, a high-speed CAN transceiver compliant with ISO 11898-2 and -5, and a single-wire LIN transceiver into a single 32-pin SOIC-EP package. It operates from automotive battery inputs of 9V, 12V, 15V, 18V, and 24V and supports Normal and Sleep operating modes with CAN data rates up to 20 kbps in low-power mode. The part was originally designed as a power management and communication hub for automotive microcontrollers, sensors, and bus networks. A System Basis Chip is a category of mixed-signal IC that consolidates multiple automotive bus transceivers and voltage regulators traditionally implemented as discrete components. Within the NXP SBC taxonomy, the MC33905 sits in the Gen2 family above simple CAN-only transceivers and below domain controllers, providing both power and bus connectivity for one ECU. Key features include enhanced high-speed CAN physical layer diagnostics with local and bus failure detection, an internal watchdog, battery voltage sensing, low-power Sleep mode with wake-up via CAN or LIN bus activity, and integrated ESD protection. The 32-pin SOIC-EP (exposed pad) package provides a low thermal resistance path, allowing sustained operation across the automotive -40C to +125C range. The part supports a wide supply range from 4.5V up to 27V (load dump survivability) and provides a 3.3V regulated output capable of supplying an MCU plus sensors. The MCZ33905 architecture is built on a mixed-signal BiCMOS process that combines analog power management, digital control logic, and rugged CAN/LIN PHY cells. The CAN transceiver delivers the bus-common-mode stability required by the ISO 11898 standard, and the LIN transceiver conforms to LIN 2.x physical layer specifications, making both buses automotive-qualified on the same die. Typical applications include automotive body control modules, gateway ECUs bridging CAN and LIN networks, HVAC control units, seat control modules, and lighting controllers where a single MCU must communicate on both CAN and LIN buses while being powered directly from the 12V battery rail. The integrated 3.3V regulator eliminates an external LDO and reduces BOM count. When designing with this part, pay attention to the exposed-pad soldering for thermal relief and follow NXP's reference layout for the CAN bus termination. The MCZ33905 part family is currently in Discontinuance and Replacement status per NXP, so long-term designs should evaluate the recommended successor parts listed in the design notes. This page consolidates distributor pricing, a drop-in alternatives list, and practical design notes that go beyond the manufacturer datasheet, giving engineers a one-stop resource for comparing and sourcing this SBC.
MCZ33905CS5EKR2 - 5V SBC CAN+LIN System Basis Chip | NXP
The NXP MCZ33905CS5EKR2 is a second-generation System Basis Chip (SBC) that integrates a 5.0 V or 3.3 V MCU voltage regulator with an enhanced high-speed CAN transceiver (ISO 11898-2 and -5), one LIN 2.1/J2602-2 transceiver, and a fully protected 5 V CAN supply, all in a 32-pin SOIC-EP (EK) power package rated for automotive 9 V to 18 V (24 V jump-start tolerant) operation. A System Basis Chip (SBC) is a power management integrated circuit category that combines multiple discrete functions - typically a microcontroller voltage regulator, a CAN/LIN physical-layer transceiver, and diagnostic/protection features - into a single package. The SBC sits at the boundary between the 12 V automotive bus and the 5 V or 3.3 V ECU module, replacing what would otherwise require separate LDO, transceiver, and supervisory ICs. Within the power-management hierarchy, an SBC is one rung above a discrete linear regulator and one rung below the full power distribution architecture of an electronic control unit (ECU). Key features of the MCZ33905CS5EKR2 include the externally configurable 5.0 V/3.3 V regulator with optional external PNP pass transistor for current sharing, extremely low quiescent current in low-power modes to preserve battery life, built-in voltage/current/temperature protection, local and bus failure diagnostics on the CAN interface, and a wake-up friendly low-power state machine. The integrated CAN transceiver supports baud rates from 40 kb/s to 1.0 Mb/s, while the LIN port is compliant with LIN 2.1 and J2602-2. The SBC uses a mixed bipolar-CMOS process technology on a power SOIC-EP lead frame, exposing the die pad for direct thermal relief. The exposed pad lowers junction-to-ambient thermal resistance so the part can sustain continuous CAN bus loads that drive significant internal dissipation. Independent enable and fault pins let the MCU supervise the regulator and selectively wake the bus transceivers in deep-sleep operation. Typical applications include automotive body ECUs (door modules, body controllers), chassis and powertrain control nodes that require high-speed CAN, HVAC and lighting modules with both CAN and LIN buses, and industrial CAN nodes operating from 12 V or 24 V supplies. The wide 9 V to 27 V operating range also makes the part attractive for agricultural, marine, and off-road vehicle ECUs. When designing with this SBC, route the exposed pad to a continuous copper plane and use the lowest ESR ceramic caps datasheet-suggested on VCC, VCAN, and VBAT to keep regulator ripple within datasheet limits. Enable the internal 5 V CAN supply only after MCU firmware has finished its boot sequence to avoid back-powering through the CAN bus. This page synthesizes distributor pricing, drop-in alternatives from the NXP 33903/33904/33905 family, and practical PCB thermal guidance that go beyond the manufacturer datasheet alone.
MCZ33905S5EK - 5V SBC HS-CAN Single LIN | NXP
The NXP MCZ33905S5EK is a second-generation 5 V System Basis Chip (SBC) integrating a high-speed CAN transceiver compliant with ISO 11898-2 and ISO 11898-5, a single LIN 2.1 interface, and an advanced power management unit for the host microcontroller. It is housed in a 32-pin SOIC-EP exposed-pad package and operates across a 5.5 V to 27 V supply range aimed at 12 V automotive systems. The device includes enhanced bus-failure diagnostics, local-failure detection, and a fail-safe operation mode for body and chassis networks. End-of-life has been declared by NXP (PCN/Direct Discontinuance), with replacement suggested on the NXP product page. A System Basis Chip (SBC) is an automotive-grade mixed-signal IC that consolidates a CAN/LIN physical layer, one or more voltage regulators (typically a 5 V LDO for the MCU), and supervision functions (watchdog, reset, wake-up) into a single package. The SBC sits between the vehicle's 12 V battery / bus and the microcontroller, reducing PCB area, BOM count, and quiescent current versus discrete implementations. SBCs are core building blocks in modern body-electronics modules and are commonly paired with 32-bit automotive MCUs such as the S32K1 and MPC56 families. Key features include integrated HS-CAN transceiver with slopes control and bus diagnostics, a LIN 2.1 compliant interface with LIN output pin switch, two or three configurable wake-up pins that double as output drivers, low-power standby and sleep modes with wake-up capability via CAN, LIN, or the wake pins, and an SPI interface for MCU configuration and diagnostics. Voltage regulators include a 5 V LDO for the MCU with current limiting and thermal shutdown, plus a tracking/protection scheme for external sensors. Architecturally, the MCZ33905S5EK combines a switched-mode or linear pre-regulator with a low-dropout 5 V regulator, an ISO 11898 compliant CAN physical layer, and a LIN 2.1 transceiver on a single die. The IC implements local and bus failure diagnostics, dominant-bus timeout, thermal protection on each regulator, and SPI-readable fault flags for ECU-level diagnostics. It is qualified to automotive grade 1 temperature (-40 C to +125 C) and supports passive and active bus fault management per ISO 11898-5. Typical applications include automotive body control modules, gateway/ECU nodes, HVAC and lighting controllers, instrument clusters, and chassis/safety ECUs that require an HS-CAN interface together with a local 5 V supply and one LIN channel. The exposed pad on the SOIC-32 package also helps dissipate heat from the on-chip regulators in compact modules. When designing with this device, verify the exact replacement designated in NXP's product-change notice (PCN) documentation. The MCZ33905 family has been declared end-of-life; engineers should confirm drop-in pin-compatible successors such as newer NXP SBC families or qualified second-source options before committing to new designs. This page synthesizes NXP datasheet parameters, declared end-of-life status, distributor stock signals, and design considerations not always present in the original datasheet.
MCZ33927EK - 3-Phase FET Pre-Driver, 40V, SPI, 54-SOIC-EP | NXP
The NXP MCZ33927EK is a SMARTMOS three-phase Field Effect Transistor (FET) pre-driver IC designed for three-phase motor control and similar applications, configured as a 3-phase bridge driver in a 54-BSSOP exposed pad package. The device operates from an 8V to 40V supply and delivers up to 600 mA peak gate-drive current per channel with a typical propagation delay of 265 ns, enabling high-frequency PWM switching of the external N-channel MOSFETs that form the actual power bridge. A built-in SPI (Serial Peripheral Interface) port allows a host microcontroller to configure dead-time, blanking, fault masks, and diagnostic readouts, simplifying firmware development and reducing the burden on the system MCU. A Field Effect Transistor pre-driver (also called a gate driver or FET pre-driver) is a specialized power-management integrated circuit that sits between a low-power microcontroller and the high-current MOSFETs or IGBTs of a power-conversion stage. By handling level shifting, charge-pump generation, dead-time insertion, and short-circuit protection, the pre-driver allows the system MCU to focus on control loops while the IC reliably switches kilowatts of power. In the broader taxonomy, the MCZ33927EK belongs to the motor-driver family, which itself sits under power-management ICs (PMIC), and ultimately under the discrete and integrated semiconductor hierarchy. Key features include integrated charge pump for 100% duty-cycle high-side drive, programmable dead-time and blanking, comprehensive fault detection (overcurrent, overtemperature, undervoltage), and SPI-programmable diagnostics. Each of the three phases provides independent high-side and low-side gate-drive outputs capable of sinking and sourcing the 600 mA peak current required to switch large MOSFET gates quickly. The exposed pad dramatically reduces junction-to-ambient thermal resistance for high-frequency switching. The MCZ33927EK utilizes NXP's SMARTMOS mixed-signal BiCMOS technology, combining precision analog circuitry, robust CMOS logic, and high-voltage DMOS output stages on a single die. This integration delivers automotive-grade ESD robustness and EMI tolerance in a compact package, making it well suited to harsh electrical environments typical of automotive 12V/24V systems. Typical applications include automotive 12V three-phase brushless DC (BLDC) motors for HVAC blowers, fuel pumps, water pumps, and electric power steering (EPS) auxiliaries, as well as industrial three-phase PMSM drives, robotic servos, and drone propulsion systems. The wide 8V to 40V supply range tolerates load-dump transients on automotive rails. When designing with the MCZ33927EK, ensure that external bootstrap capacitors on each high-side driver are sized for the worst-case PWM duty cycle and switching frequency. The exposed pad must be soldered to a sufficiently large copper pour (typically ≥1 square inch) to keep junction temperature within the -40 °C to +125 °C operating range. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes that go beyond what is found in the manufacturer datasheet alone, helping engineers evaluate MCZ33927EK for new designs or as a replacement for legacy Freescale/NXP part numbers.
MCZ33970EG - Dual Gauge Driver IC with SPI, 24-SOIC | NXP
The NXP MCZ33970EG is a Serial Peripheral Interface (SPI)-controlled, dual H-Bridge stepper motor gauge driver integrated circuit housed in a 24-pin SOIC wide-body (300/3000) package. The monolithic IC combines two independent H-Bridge coil drivers with their associated control logic and provides bipolar motor drive capability for automotive gauge pointer applications including speedometer, tachometer, fuel level, and temperature indicators. A stepper motor gauge driver is a specialized motor driver IC that converts SPI commands from a microcontroller into the precise two-phase current waveforms that move a permanent-magnet rotor in automotive analog gauges. Compared with generic half-bridge or full-bridge motor drivers, gauge-specific drivers include integrated indexer logic, configurable microstepping, programmable damping algorithms to suppress pointer overshoot, and diagnostics for open/short detection on the H-Bridge coil outputs. The MCZ33970EG belongs to the motor driver IC family (motor driver -> motor & motion control -> power management IC -> semiconductor) and implements an improved damping algorithm that smooths pointer transitions between commanded positions. Key features include SPI communication for command and diagnostic feedback, dual H-Bridge outputs capable of bipolar stepper motor excitation, programmable current levels for matching different gauge coil impedances, integrated flyback diodes for inductive load clamping, and an operating supply range compatible with 5V regulated logic. The device integrates enhanced pointer damping algorithms that reduce mechanical resonance in the gauge movement during rapid position changes. Operating junction temperature spans -40C to +150C, suiting the automotive under-dash environment. The MCZ33970EG is used in instrument cluster applications driving air-core or d-copper stepper motors directly. The dual H-Bridge topology supports one stepper motor or two brushed DC loads per IC, and multiple devices can share the SPI bus to drive 3 to 5 gauges in a typical cluster. The wide operating temperature range and SPI programmability also make it suitable for industrial process indicators and HVAC control panels. When designing with this part, keep SPI traces short and isolate the analog ground return for the H-Bridge outputs from the digital ground. Place bypass capacitors within 5 mm of the VCC and motor supply pins, and respect the absolute maximum ratings on inductive load clamping. The improved damping algorithm reduces but does not eliminate mechanical pointer overshoot; verify final pointer behavior on a representative gauge mechanism. This page synthesizes distributor inventory, drop-in alternatives, and design notes that complement the manufacturer datasheet.
MCZ33976EG - Dual Gauge Driver SPI, 26V, SOIC-24 | NXP
The NXP MCZ33976EG is a single-package, SPI-controlled dual stepper motor gauge driver IC that integrates four dual-output H-Bridge coil drivers and associated control logic in a 24-pin SOIC package. The device operates from a 6.5V to 26V supply, delivers up to 100 mA per output, and supports a wide -40C to +125C ambient operating range (junction up to +150C). According to the manufacturer datasheet MC33976, the device uses configurable response time to automatically control stepper motor speed, direction, and current magnitude, removing the need for a host MCU to manage commutation timing. A stepper motor gauge driver is a specialized dual H-Bridge peripheral that converts SPI commands into the precise bipolar coil currents needed to drive air-core or stepper-based analog pointers in instrument clusters. Two gauge movements can be driven from one IC, which simplifies cluster BOM and PCB area. The MCZ33976EG sits in the hierarchy: dual H-Bridge -> motor driver IC -> peripheral driver -> power management and signaling IC. Each output pair forms a full bridge capable of sourcing and sinking current bidirectionally through the two gauge coils, which are typically wound on a common stator with a permanent-magnet rotor. Key features include SPI communication with daisy-chain capability, programmable PWM current regulation per gauge, configurable response time for pointer damping, integrated flyback diodes protection handling, open quies-current current, and a fault feedback flag. The MCZ33976EG is the automotive-grade variant of the family, qualified to AEC-Q100 standards for under-dash and instrument-cluster use. The 24-SOIC package with exposed pad aids thermal dissipation across the four H-Bridges. Typical applications include automotive instrument cluster gauges (speedometer, tachometer, fuel, temperature), motorcycle dashboards, industrial process indicator dials, HVAC position indicators, and any two-coil air-core meter requiring SPI-actuated closed-loop current regulation. Designers should bias the EN/DIAG pin correctly and observe the data-sheets worst-case thermal resistance on a 2-layer PCB to keep junction temperature inside the +150C rating when driving high-current movements.
MCZ33977EG - SPI Stepper Motor Gauge Driver | NXP | 24-SOIC
The NXP MCZ33977EG is a Serial Peripheral Interface (SPI)-controlled stepper motor gauge driver integrated circuit that combines a dual H-bridge coil driver with its associated control logic in a single monolithic die. Packaged in a 24-pin SOIC, the device operates from a 4.5V to 5.5V supply and is qualified for the -40C to +150C automotive junction temperature envelope. Its primary market is automotive instrument clusters where it directly drives air-core and stepper motor gauges including speedometers, tachometers, fuel level, and temperature indicators. A stepper motor gauge driver (also called an instrument cluster driver or single gauge driver) sits inside the power management hierarchy as a specialized motor driver IC that translates SPI micro-controller commands into the precise bipolar current waveforms required by air-core and permanent-magnet stepper movements. The MCZ33977EG belongs to NXP's 33977 family of dual H-bridge gauge drivers and is engineered to provide the back-EMF sensing, microstepping, and fault diagnostics that automotive dashboards demand. Key electrical capabilities include dual H-bridge outputs capable of sourcing and sinking the 40 mA to 200 mA peak phase currents typical of 0W to 5W gauge coils, with integrated freewheeling diodes for inductive kick protection. The SPI port supports daisy-chaining multiple 33977 devices on a single microcontroller bus, reducing ECU pin count. Integrated fault detection covers open load, short to battery/ground, and thermal shutdown, with a fault flag relayed back over SPI to the host MCU. The wide 4.5V-5.5V supply range tolerates cranking transients common in 12V automotive systems when used with a pre-regulator. Architecturally, the device pairs CMOS logic for SPI decoding with bipolar DMOS output stages, balancing digital noise immunity with the high peak current capability gauges need. The internal charge pump generates the gate drive for the high-side FETs, while cycle-by-cycle current limiting protects the coils during pointer overshoot. Typical applications include automotive analog instrument clusters, industrial process indicators, HVAC damper stepper actuators, and any small-signal stepping motor drive where SPI control simplifies wiring versus parallel-logic drivers. The automotive-grade temperature rating and integrated protection make it well-suited for under-dash ECU placements. When laying out this part, place the two motor bypass capacitors on each H-bridge supply pin as close to the SOIC body as possible and use a small R-C snubber across each motor terminal if the gauge harness exceeds 100 mm, since long cable lengths cause ringing that can confuse the internal back-EMF comparator. This page synthesizes distributor pricing, drop-in same-package alternatives from NXP's 33996/33926 family, and practical design notes not found in the original Freescale/NXP datasheet, providing engineers with a single reference they can cite when selecting a stepper gauge driver.
MCZ33989EG - System Basis Chip with HS-CAN | NXP
The NXP MCZ33989EG is a System Basis Chip (SBC) with an integrated high-speed CAN transceiver, designed for automotive Engine Control Unit (ECU) applications. Housed in a 28-pin SOIC package, it combines two voltage regulators, four high-voltage wake-up inputs, a 1 Mbaud capable CAN physical interface, an SPI control interface to the host MCU, and VSUP monitoring with fault detection circuitry on a single monolithic die. The device operates from a wide supply voltage range and supports both 5V and 3.3V MCU domains through its dual regulator outputs. A System Basis Chip (SBC) is a category of mixed-signal automotive IC that integrates power management, communication transceivers, and supervisory functions into a single package, reducing ECU bill-of-materials and PCB area. Within the broader taxonomy, an SBC combines a linear voltage regulator (LDO), a CAN (Controller Area Network) physical layer transceiver, and housekeeping circuitry such as reset generation, watchdog, and wake-up input monitoring. The MCZ33989EG specifically targets automotive ECUs where a high-speed CAN bus is required alongside multiple regulated rails and microcontroller housekeeping functions. Key features of the MCZ33989EG include its integrated 1 Mbaud HS-CAN transceiver compliant with ISO 11898-5 physical layer requirements, two on-chip voltage regulators (typically a 5V and a sensor/tracking supply), four high-voltage wake-up inputs capable of monitoring battery voltage in standby, and an SPI port for configuration and status readback. The device provides VSUP undervoltage and overvoltage detection, fault output via an interrupt pin, and thermal shutdown protection. Together these functions allow an MCU to share the same supply rail, monitor ignition and battery conditions, and participate in a CAN network without separate transceiver and supervisor ICs. Architecturally, the MCZ33989EG integrates a CAN physical layer driver/receiver matching the ISO 11898 standard, low-dropout regulators, an SPI slave controller, and analog comparators for wake-up and voltage supervision. The CAN bus pins support up to 1 Mbaud operation and feature integrated dominant time-out protection to prevent the bus from being locked by a faulty node. The MCZ33989EG is suitable for 12V automotive electrical systems with load-dump and jump-start transients handled by the wide VSUP range. Typical applications for the MCZ33989EG include automotive Engine Control Units (ECUs), Transmission Control Units (TCUs), Body Control Modules (BCMs), and other in-vehicle modules requiring a regulated MCU supply plus a high-speed CAN interface. The same chip is also used in industrial CAN nodes where 12V battery power is available. When designing with the MCZ33989EG, ensure that the VSUP pin is properly reverse-battery protected and decoupled with a bulk capacitor capable of surviving load-dump pulses. The CAN bus requires 60 ohm split termination between CANH and CANL at each end of the bus segment. Wake-up inputs should be debounced through the SPI-configured digital filter to avoid false waking from ECU noise. This page synthesizes distributor pricing from DigiKey/Mouser, available drop-in alternatives, and design notes not collected in a single place in the manufacturer datasheet, supporting procurement and design engineers during both new development and field replacement.
MGFS302405 - 30W 5V/6A Isolated DC-DC Module | Cosel
The Cosel MGFS302405 is a 30 W isolated, board-mount DC-DC converter module that delivers a single 5 V output at up to 6 A from a wide 9 V to 36 V input range. Housed in a 6-pin through-hole package (DIP-style PCB mount) with industry-standard pinout, the part belongs to Cosel's MGFS30 family of encapsulated switching regulators designed for industrial, test-equipment, and embedded computing applications where a clean, isolated 5 V rail is required from a noisy 12 V or 24 V bus. An isolated module DC-DC converter is a complete, encapsulated switching power supply on a small PCB that takes a DC input, chops it at high frequency, runs it through a small transformer for galvanic isolation, then rectifies and filters the secondary to produce a clean, low-ripple DC output. The MGFS302405 sits in the DC-DC converter -> point-of-load (POL) module -> power management IC taxonomy, and it eliminates the need for the designer to design the transformer, control loop, and feedback compensation themselves. Key specifications include 5 V fixed output, 6 A continuous load current (30 W maximum), 9 V to 36 V DC input range (24 V nominal), 1500 V AC I/O isolation, and typical line/load regulation within +/-0.5%. Built-in protections include over-current, over-voltage, and over-temperature shutdown, and the unit operates across an industry-standard -40C to +85C ambient temperature range. The encapsulated six-pin through-hole package provides a robust mounting footprint suited to conventional PCB assembly and field-replaceable industrial designs. Internally, the MGFS302405 uses a single-ended forward converter topology with a planar transformer and primary-side regulation, delivering high efficiency (typically 87% at 24 V input, 5 V/6 A output) without requiring external heat sinking in most airflow conditions. The internal control IC and feedback loop are factory trimmed, eliminating design iteration and stabilizing BOM cost across production runs. Typical applications include factory automation PLCs, industrial sensor and actuator power, building-automation controllers, 24 V-bus distributed I/O, test-and-measurement instruments, and embedded SBCs requiring a regulated, isolated 5 V rail. The wide 9-36 V input accepts unregulated industrial supplies, battery-backed 12 V or 24 V systems, and automotive 24 V truck/bus rails. When designing with this module, observe Cosel's recommended input fuse and output capacitor values listed in the datasheet to keep ripple within spec and to ensure the safety-agency isolation ratings are preserved. Maintain the specified clearance and creepage distances around the package to retain the 1500 V AC isolation rating. This page synthesizes distributor pricing, drop-in alternative cross-references, and practical design notes that go beyond the manufacturer datasheet to help engineers evaluate, source, and design with the MGFS302405.
MGFS302405-G - 30W Isolated DC-DC 5V/6A Module | Cosel
The Cosel MGFS302405-G is a 30 W isolated board-mount DC-DC converter module delivering a regulated 5 V output at up to 6 A from a wide 9 V to 36 V input range, packaged in a through-hole 6-pin encapsulated brick with 1.5 kV DC isolation. It belongs to Cosel's MGFS30 family of compact, high-efficiency isolated point-of-load modules designed for industrial and ITE (commercial) applications where a clean, isolated 5 V rail is required from a noisy 12 V/24 V bus. An isolated DC-DC converter module is a self-contained power supply block that uses an internal transformer (galvanic barrier) to break the DC ground path between the source and load, providing safety isolation and noise immunity. Within the broader power-management hierarchy, a board-mount isolated module is a sub-category of DC-DC converters and switching regulators, sitting above discrete buck/boost converter designs in terms of integration level. The MGFS30 family targets the 15 W to 30 W tier where most industrial 5 V auxiliary rails operate. Key features of the MGFS302405-G include 30 W continuous output power, 6 A maximum output current, 90 % typical efficiency at nominal line, and a wide 9 V to 36 V input window that covers 12 V and 24 V industrial bus rails. The 1.5 kV DC input-to-output isolation satisfies reinforced-isolation requirements for industrial control and ITE equipment. The through-hole 6-pin brick package provides robust mechanical attachment and natural convection cooling up to the rated power. Internally the module uses a fixed-frequency isolated flyback-forward topology with synchronous rectification on the secondary, which explains the high 90 % efficiency at 24 V input. Integrated input filtering, soft-start, and over-current / over-temperature protection reduce the external component count to just input/output capacitors. The output voltage is factory-trimmed to 5 V ±2 %, eliminating the need for an external adjustment resistor. Typical applications include industrial PLC and sensor 5 V rails, factory automation I/O power, isolated 24 V-to-5 V bus converters, test-and-measurement front-end power, and ITE equipment requiring a regulated isolated 5 V supply. The wide 9 V to 36 V input allows a single part to cover both 12 V and 24 V nominal buses, simplifying BOM. When designing with this part, observe the derating curve above 60 °C and provide at least 2 mm clearance around the through-hole pins to meet the 1.5 kV isolation rating. A 22 µF input capacitor and a 100 µF output capacitor are recommended to suppress reflected ripple and load-step transients. Mount the module vertically on the PCB with the baseplate flush to maximize convection cooling. This page synthesizes distributor pricing, parametric drop-in alternatives, and applied design notes drawn from the Cosel MGFS series datasheet and authorized distributor data — content not aggregated on any single manufacturer or distributor page.
MIC2005A-1YM5-TR - 500mA High-Side Power Switch SOT-23-5 | Microchip
The Microchip Technology MIC2005A-1YM5-TR is a single-channel, current-limiting, high-side P-channel MOSFET power distribution switch rated for 500 mA continuous load current in a 5-pin SOT-23-5 surface-mount package. It operates from a 2.5 V to 5.5 V input rail, integrates a 70 mΩ (typical) P-channel MOSFET pass element, and provides a factory-set 500 mA current limit with automatic fault blanking. According to the manufacturer datasheet, the device features a /FAULT open-drain indicator that asserts low approximately 32 ms after a sustained over-current or short-circuit event, allowing the system to ignore transient inrush spikes. A high-side power switch (also called a USB power switch or load switch) is a MOSFET-based circuit that sits between the upstream DC rail and the downstream load. Its job is to distribute power, protect the load and the wiring from over-current events, and provide a clean, controlled turn-on. The high-side switch sits between the supply and the load (versus a low-side switch which sits between load and ground), preserving the ground reference of the downstream circuit. In the power management hierarchy, high-side switches fall under power distribution ICs, which themselves sit under power management ICs and the broader semiconductor category. Key features of the MIC2005A-1YM5-TR include thermal-shutdown protection, under-voltage lockout (UVLO), output slew-rate limiting, an active-high enable input for sequencing or push-button control, and a fixed (non-adjustable) current-limit threshold of 500 mA. The part is offered in tape-and-reel packaging (-TR suffix) for high-volume assembly and is qualified over the -40 °C to +85 °C industrial temperature range. Because the current limit is fixed, no external sense resistor is required - this simplifies BOM and reduces PCB area. The internal architecture combines a P-channel power MOSFET, a precision current-sense and comparator block, a charge-pump driver for the MOSFET gate, and digital control logic for the enable, fault, and blanking functions. The 70 mΩ on-resistance at 5 V keeps conduction losses low - even at 500 mA, the drop across the switch is only about 35 mV. Fault blanking prevents nuisance tripping during capacitive-load inrush or USB hot-plug events, while thermal shutdown protects the die if sustained overload drives the junction temperature above the safe limit. Typical applications include USB port power switching in hubs, set-top boxes, and printers; high-side load switching in digital televisions (DTV), personal digital assistants (PDAs), and other peripherals; and any system that needs a single 5 V rail switch with built-in current limit and fault reporting. The MIC20XX family is also commonly used to power individual downstream rails in multi-rail systems where each rail needs independent protection. Compared to discrete MOSFET + comparator solutions, the MIC2005A-1YM5-TR saves board space and design time by integrating the FET, sense element, and protection logic in one 5-pin SOT-23. When designing with this part, pay attention to the input capacitor - Microchip recommends a 1 µF low-ESR ceramic directly on IN to handle load-step transients and stabilize the internal charge pump. The /FAULT pin requires a pull-up resistor (typically 10 kΩ to 100 kΩ) because it is an open-drain output. Layout should keep the high-current OUT trace short and wide to minimize parasitic inductance. This page synthesizes distributor pricing, same-family drop-in alternatives, and practical design notes not found in the manufacturer datasheet. For full electrical characteristics and curves, refer to the official Microchip MIC20XX datasheet.