Power Management
Subcategories
Products (2,800+)
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.
MIC2005A-1YM6-TR - 500mA High-Side P-Channel Power Switch | Microchip
The Microchip Technology MIC2005A-1YM6-TR is a single-channel, current-limiting, high-side P-channel MOSFET power distribution switch rated for 500 mA continuous load current, housed in a 6-pin SOT-23 package. It accepts input voltages from 2.5 V to 5.5 V and provides a fixed 500 mA current limit with an active-high enable input for power sequencing and load control. A high-side power switch is an integrated load-switch IC that sits between a power rail and the downstream load, replacing a discrete P-channel MOSFET plus current-sense resistor plus control circuitry with a single component. It belongs to the broader power-management IC hierarchy: power switch -> load switch -> power distribution switch -> power management IC. High-side switches offer reverse-current blocking and ground-referenced load control, simplifying USB port power, hot-plug rails, and battery protection circuits. Key features include 500 mA fixed current limit, low quiescent current, fault flag output for overcurrent reporting, thermal shutdown protection, and undervoltage lockout. The internal P-channel MOSFET provides low on-resistance to minimize voltage drop and conduction loss, while internal slew-rate control limits inrush current during turn-on. The active-high enable pin allows logic-level control from a microcontroller GPIO. Architecturally, the MIC2005A integrates a P-channel pass FET, a current-sense comparator, a fault timer with blanking, and a thermal shutdown block on a single CMOS die. The fault blanking circuit prevents nuisance tripping from load transients, while the thermal shutdown latches off the FET when junction temperature exceeds safe limits. The device is offered in a 6-pin SOT-23 package that occupies approximately 9 mm² of board area, making it suitable for space-constrained portable designs. Typical applications include USB port power distribution, hot-swap peripherals, set-top boxes, digital televisions, printers, notebook PCs, and PDA accessories. The 500 mA current limit aligns with USB 2.0 downstream port requirements, making this part particularly attractive for legacy USB power-switching functions. When designing with this device, place the input bypass capacitor as close as possible to the VIN pin and ensure the output capacitor does not exceed the datasheet maximum to prevent false fault triggering. The fault output is open-drain and requires a pull-up resistor. This page synthesizes distributor pricing, drop-in alternatives drawn from the Microchip MIC20XX family, and practical design notes that complement the manufacturer datasheet.
MIC2005A-2YM6-TR - 500mA High-Side USB Power Switch SOT-23-6 | Microchip
The Microchip MIC2005A-2YM6-TR is a 500 mA current-limited, high-side P-channel MOSFET power distribution switch housed in a 6-pin SOT-23-6 surface-mount package, designed for self-powered and bus-powered USB applications and general 5 V power switching. A USB high-side power switch is a type of load switch that sits between a system power rail (typically 5 V) and a downstream USB port or peripheral. Its role is to turn the rail on or off under logic control, present a defined upstream current to the host, and protect both the host and the device from over-current, short-circuit, and inrush events. The MIC20XX family sits within the broader power management IC hierarchy of load switches -> power distribution switches -> USB switches -> power management ICs, complementing LDOs and DC-DC converters on the power tree. Key features include a fixed 500 mA current limit, a 2.5 V to 5.5 V input operating range, low quiescent current, integrated soft-start to control inrush current, an active-high enable input, fault-flag output for over-current and thermal events, under-voltage lockout, and thermal shutdown. Typical on-resistance is approximately 70 mΩ at 5 V, providing low dropout and minimal power dissipation in normal operation. The device requires no external MOSFET, sense resistor, or current-setting network. The MIC2005A-2YM6-TR is the -2 active-high enable variant of the family and ships on tape-and-reel for high-volume assembly. Its small SOT-23-6 footprint, integrated protection, and minimal external BOM make it well suited to compact, cost-sensitive 5 V rails such as USB ports, HDMI ports, and downstream power connectors on consumer and computing platforms. Typical applications include USB 2.0 downstream ports on PCs and laptops, HDMI link power switching, set-top boxes, printers, digital televisions, and any port that needs self-powered or bus-powered current limiting. Pair the MIC2005A-2YM6-TR with an upstream 5 V LDO or buck regulator and follow the datasheet bulk-capacitor guidance to remain USB 2.0 compliant under load steps. When designing with this device, place the input and output bulk capacitors as close as possible to the IC and observe the datasheet derating curve for short-circuit and over-current behavior. Thermal layout is straightforward because typical load currents are 500 mA or less, but continuous fault conditions must be considered. This page combines verified distributor pricing, drop-in alternatives from the same MIC20XX family and competing vendors, and practical PCB design notes not bundled in the manufacturer datasheet, giving a faster engineering decision path than scanning individual distributor listings.
MIC2026-2YM - Dual USB High-Side Power Switch 1.25A 8-SOIC
The Microchip Technology MIC2026-2YM is a dual-channel, high-side N-channel MOSFET power distribution switch rated for 1.25A continuous load current per channel in an 8-pin SOIC package. It operates from a 2.7V to 5.5V input rail and integrates current limiting and thermal shutdown to protect the load and the upstream supply. The MIC2026-2YM variant uses an active-low enable input, which is the inverse-polarity control used by the MIC2026 family. A high-side power switch (also called a load switch or power distribution switch) sits between the system rail and a downstream load (USB port, fan, LED string, peripheral). It replaces a discrete P-MOSFET plus fuse/reset circuit by combining an N-channel MOSFET with a charge pump, current-limit comparator, and thermal protection in a single IC. High-side switches sit on the positive rail, so they cut return-path current cleanly and are preferred for hot-plug safety, inrush limiting, and per-port power budgeting. Key features of the MIC2026-2YM include 1.25A continuous output current per channel, internal current limiting, soft-start to suppress inrush transients, and an over-temperature latch that removes the output until the fault clears. The device also provides a fault flag output for system monitoring and ground-loop-tolerant switching. Together these features support USB 2.0 downstream ports, hot-swap bays, and any general-purpose 5V load that benefits from circuit-breaker-style protection. The MIC2026-2YM is internally current limited and thermally protected, and it integrates two switches in one SOIC-8, halving the board area versus two single-channel MIC2025-class parts. The dual-channel topology is also ideal for paired loads such as dual USB ports or two peripheral rails that must power up or fault together. Typical applications are dual USB power distribution, hot-swap 5V cards, and protected fan/LED rails in desktops, docking stations, and embedded computing platforms. The wide 2.7V to 5.5V input range maps directly onto the standard 3.3V and 5V system rails used in these systems. When laying out the MIC2026-2YM, keep input and output capacitors within 2 mm of their respective pins to suppress the inrush spike, and stitch a continuous ground plane under the exposed pad area to spread heat. The fault pin can be left floating if not used, but routing it to a GPIO is recommended for proper diagnostics. This page synthesizes distributor pricing, drop-in alternatives, and application-level design notes that are not aggregated in the manufacturer datasheet.
MIC2091-1YM5-TR - 100mA High-Side Power Switch | Microchip
The Microchip Technology MIC2091-1YM5-TR is a 100 mA high-side P-channel MOSFET power distribution switch in a 5-pin SOT-23-5 package, optimized for general-purpose low-power distribution in circuits requiring accurate over-current limiting and circuit protection. The device operates from a 1.8 V to 5.5 V input rail, includes a 1300 mOhm typical on-resistance, and integrates thermal shutdown at 150 °C and undervoltage lockout with 100 mV hysteresis for robust fault handling. A high-side power switch is a load-management building block that sits between a system supply rail and a downstream load, providing controlled turn-on, current limiting, and fault isolation. Within the broader power-management taxonomy, it sits between simple load switches and full hot-swap controllers, offering a middle ground for USB ports, portable devices, and other sub-500 mA distribution rails. The MIC2091-1YM5-TR belongs to the auto-retry current-limit family (the MIC2091-2 variant latches off), and includes a dedicated active-high fault output. Key features include a 1.8 V to 5.5 V operating input range, factory-trimmed 100 mA current limit, active-high logic enable, open-drain fault flag with 10 ms deglitch filter to suppress false trip events, and a junction operating temperature range of -40 °C to +125 °C. The 5-pin SOT-23 footprint occupies just 2.9 mm x 1.6 mm, freeing board area for dense portable designs. According to the Microchip datasheet DS20006611A, the on-resistance rises with temperature and the part includes built-in soft-start to limit inrush current on hot-plug events. Technically the device integrates a charge pump that drives the P-channel gate above VIN for true rail-to-rail load control, while the current-limit loop monitors a sense-FET and modulates gate drive to regulate load current at the programmed limit. The result is predictable behavior across temperature and supply, and clean recovery from momentary overloads without latch-up that would require a power cycle. Typical applications include USB 2.0 downstream port power switching, self-powered and bus-powered USB hubs, notebook and tablet accessory rails, and protection of camera modules, thermal print heads, and other peripheral loads. When designing with this part, place a 1 µF or greater ceramic bypass capacitor on VIN and keep the trace from the device ground pin short and direct to the system ground plane to ensure clean current-limit operation.
MIC2103YML - 75V 15A Adaptive On-Time Buck Controller | Microchip
The Microchip Technology MIC2103YML is a 75 V, constant-frequency synchronous buck controller using adaptive on-time control, with a 4.5 V to 75 V input range and support for output currents up to 15 A. It is supplied in a 16-pin VQFN 3x3 mm package and provides one PWM switching output. A programmable switching range of 200 kHz to 600 kHz supports conversion from high-voltage industrial, telecom, and automotive-style buses to lower-voltage processor, networking, and test-equipment rails. A synchronous buck controller is a pulse-width-modulation controller for a step-down DC-DC converter. It drives a high-side switching MOSFET and a low-side synchronous rectifier rather than dissipating conversion energy in a linear element. The controller supplies gate-drive and timing functions, while external MOSFETs, inductors, capacitors, and feedback components determine practical power capability and loop performance. In the system hierarchy, the MIC2103 belongs to DC-DC converters, switching regulators, power-management ICs, and semiconductors. Key verified characteristics include a 75 V maximum supply, a 4.5 V minimum operating input, adjustable output down to 0.8 V, guaranteed output accuracy of ±1%, constant-frequency operation, adaptive on-time control, and a 200 kHz to 600 kHz programmable switching range. Hyper Light Load operation is identified by distributors and evaluation-board documentation. The controller supports up to 15 A output-current capability when paired with appropriately rated external power components; the IC itself does not carry 15 A continuously. The adaptive on-time architecture adapts high-side conduction time to operating conditions while retaining constant-frequency behavior. This architecture targets efficient conversion across a wide input range and reduces reliance on a fixed compensation approach. The controller is particularly relevant where a 48 V or higher bus must be reduced efficiently and where converter size, transition behavior, and external power-stage selection are central engineering constraints. Typical applications include telecom and networking power supplies, industrial 24 V or 48 V rails, server and data-center auxiliary supplies, instrumentation, and distributed power systems. The 75 V input rating provides design margin above common nominal 48 V buses, while the exposed thermal pad and compact 3x3 mm footprint support dense power-converter layouts. Design starts with selecting external MOSFETs whose voltage ratings, gate charges, and losses support the target rail and switching frequency. Follow the manufacturer datasheet for compensation, bootstrap components, gate-drive settings, current-limit implementation, and exposed-pad layout. Estimated converter dissipation must be calculated from actual MOSFET, inductor, and controller losses because the verified data does not provide a complete thermal-resistance table. This product page consolidates verified specifications, sourcing information, application guidance, and replacement limitations. No verified pin-compatible substitutes were established from the supplied cross-reference results, so the page avoids presenting unverified drop-in claims and distinguishes controller-only specifications from the external converter design.
MIC2103YML-TR - 75V Sync Buck Controller, Adaptive On-Time | Microchip
The Microchip MIC2103YML-TR is a 75V synchronous buck DC-DC controller featuring adaptive on-time control architecture, housed in a 16-pin VQFN (3x3 mm) package with an exposed pad. The device operates over an input supply range of 4.5V to 75V and supports output currents up to 15A when paired with external MOSFETs, with output voltage adjustable down to 0.8V at ±1% accuracy. A synchronous buck controller is a type of DC-DC switching converter that uses two MOSFETs (one high-side, one low-side) in a half-bridge topology to step down a higher input voltage to a lower regulated output voltage. Unlike an LDO (low-dropout linear regulator) that dissipates excess voltage as heat, a synchronous buck controller switches the MOSFETs at high frequency (typically 200kHz to 600kHz here) and uses an LC output filter to deliver a regulated rail with high efficiency - typically 90-95% - even at large input-to-output headroom. Within the broader hierarchy, MIC2103YML-TR sits as: buck controller -> DC-DC switching converter -> power management IC -> semiconductor. Its adaptive on-time control is a variant of voltage-mode hysteretic control that adjusts the on-pulse width in response to input/output voltage, eliminating the need for external loop compensation components. Key features include a 4.5V to 75V input voltage range (ideal for 12V, 24V, and 48V industrial buses), 200kHz to 600kHz programmable switching frequency, Hyper Light Load (HLL) operation for high efficiency at light loads, internal MOSFET drivers, programmable current limit, and ±1% output voltage accuracy. The 16-pin VQFN (3x3 mm) exposed-pad package reduces board space and provides a low thermal resistance path. Built-in protection includes input under-voltage lockout (UVLO), over-current protection (OCP), and thermal shutdown. The adaptive on-time architecture responds to line and load transients within one switching cycle without requiring compensation network tuning, simplifying design-in versus traditional peak current-mode controllers. HLL mode automatically transitions to a discontinuous conduction mode at light loads, preserving efficiency when the system is idling - critical for battery-powered and energy-harvesting applications. Typical applications include 24V industrial automation bus converters, 48V telecom point-of-load stages, automotive 12V battery accessory rails, battery-powered portable equipment, distributed power systems, and point-of-load regulation downstream of an isolated AC-DC or PFC stage. When designing with MIC2103YML-TR, choose external MOSFETs rated for the application's load current and drain-source voltage. A 2.2uH to 10uH inductor, 100nF bootstrap capacitor, and output ceramic capacitors are typical BOM components. Place the feedback resistors close to the FB pin to minimize noise pickup. This page synthesizes distributor pricing, drop-in same-package alternatives, and practical design notes - including adaptive on-time trade-offs and HLL efficiency curves - that are not consolidated on the manufacturer product page.
MIC2250YML-TR - 2A Low-EMI Boost Regulator | Microchip
The Microchip Technology MIC2250YML-TR is a general-purpose 2A boost (step-up) DC/DC switching regulator IC with integrated low-EMI dithering circuitry and an adjustable output voltage starting at 1.24V. It is housed in an 8-pin 2 mm x 2 mm MLF/VFDFN exposed-pad package and is supplied on tape-and-reel (TR) packaging for high-volume manufacturing. The part is optimized for noise-sensitive, hand-held, battery-powered applications where high efficiency across a wide load range is critical. A boost (step-up) DC/DC converter is a switching power supply topology that produces an output voltage higher than its input voltage. It is a member of the switching regulator family, itself a sub-category of power management ICs that convert one DC voltage level to another using energy storage (inductors and capacitors) and switching elements (MOSFETs). Boost regulators are widely used to derive system rails (e.g., 5V, 15V, or LED forward voltages) from a lower battery or bus voltage (e.g., Li-ion 3.7V, USB 5V, or 12V intermediate bus). Key features of the MIC2250YML-TR include a 2A internal switch rating, low EMI via dithered switching frequency to spread spectral energy, 1.2A continuous output current capability, high light-load efficiency, and a wide input voltage range suitable for single-cell Li-ion applications. The 8-MLF exposed pad provides a low thermal resistance path, enabling compact PCB layouts without external heatsinking. Architecturally, the MIC2250 uses a current-mode control loop with internal MOSFET and an external inductor/capacitor output filter. The dithering feature modulates the oscillator frequency to soften EMI peaks, simplifying EMC compliance for hand-held consumer and industrial products. Typical applications include OLED/LCD bias supplies, white-LED camera flash drivers, USB-powered boost rails, audio accessory power, and industrial sensor excitation. The 2A switch makes it well suited to loads up to 500 mA continuous from a single Li-ion cell. When designing with this device, choose an inductor with low DCR and a saturation rating of at least 3A to prevent saturation at peak switch current. Place the input/output ceramic capacitors as close as possible to the IC and use a ground plane under the exposed pad for thermal dissipation.
MIC23150-GYMT-TR - 4MHz 2A Sync Buck Regulator 1.8V | Microchip
The Microchip Technology MIC23150-GYMT-TR is a 4MHz 2A HyperLight Load synchronous buck (step-down) switching regulator with a fixed 1.8V output, 2.7V to 5.5V input range, and 23uA quiescent current, housed in an 8-pin 2x2 mm TDFN (thin MLF-8) package less than 1mm tall. A synchronous buck regulator is a type of DC-DC switching converter that steps a higher input voltage down to a lower output voltage using a high-side and a low-side (synchronous rectifier) MOSFET integrated on the die, replacing the external Schottky diode of a conventional buck converter to improve efficiency. Within the power management hierarchy - power management IC, switching regulator, buck converter - the MIC23150 targets battery-powered and space-constrained point-of-load applications. Key differentiating features include the proprietary HyperLight Load mode, which combines 4MHz PWM operation in continuous conduction with ultra-fast transient response and very high light-load efficiency; peak efficiency of 93% in continuous conduction mode; and support for a very small 0.47uH inductor with an output capacitor as small as 2.2uF, enabling a complete solution under 1mm height. The 4MHz switching frequency moves noise far above sensitive RF and audio bands and shrinks the magnetics to tiny chip inductors. Architecturally, the device integrates both power MOSFETs, the 4MHz oscillator, and the HyperLight Load control loop, which automatically transitions between PWM and ultra-light-load operation to keep output ripple very low across the entire load range. This makes it well suited to powering processor core rails that swing from sleep-level microamp loads to full 2A bursts with minimal droop. Typical applications include supplying processor and SoC core voltages, point-of-load rails in portable and battery-powered devices, RF module power supplies in cellular and IoT terminals, and embedded power management in space-limited industrial designs. The 2.7V-5.5V input range directly accepts single-cell Li-ion batteries and 5V rails. Design consideration: at 4MHz, layout discipline is critical - keep the input capacitor, inductor, and SW node loop as small as possible, and select a low-DCR 0.47uH inductor rated above 2A to preserve efficiency and transient performance. This page synthesizes distributor pricing, verified drop-in alternative data, and practical design guidance not found in the manufacturer datasheet alone.
MIC23201YML - 2A 2MHz Sync Buck Regulator w/ HSC | Microchip
The Microchip MIC23201YML is a high-efficiency 2 MHz synchronous buck (step-down) DC-DC regulator delivering up to 2 A of output current from a 2.7 V to 5.5 V input, housed in a 10-pin 3 mm × 3 mm MLF/VFQFN exposed-pad package. It features Hyper Speed Control (HSC) architecture that delivers ultra-fast transient response suited for processor core voltages and other dynamic loads, plus an adjustable output from 0.95 V to 3.6 V via an external resistor divider. A synchronous buck regulator (also called a step-down switching regulator) is a type of DC-DC converter that uses PWM-controlled MOSFET switches and an LC output filter to produce a lower output voltage than its input with very high efficiency - typically 90-95% versus 30-60% for a linear (LDO) regulator. Synchronous designs replace the conventional Schottky rectifier with a low-side MOSFET to further reduce conduction losses. Within the broader power-management hierarchy, buck regulators sit between simple LDOs and more complex multi-phase controllers; they are the workhorse of point-of-load (POL) conversion in nearly every portable, embedded, and SoC-based system. The MIC23201YML differentiates itself through its Hyper Speed Control loop, which adapts the switching behavior cycle-by-cycle rather than relying on a fixed-frequency PWM modulator. This produces a transient response that recovers from a load step in microseconds - critical when powering ASICs, FPGAs, and SoCs whose core voltages may demand hundreds of milliamps of step current in nanoseconds. Internal MOSFETs (typical 65 mΩ high-side / 65 mΩ low-side) minimize the need for external switches, and the part requires only a small inductor, a few ceramic capacitors, and feedback resistors to form a complete 2 A supply. Key specifications include a 2.7 V to 5.5 V input range, 0.95 V to 3.6 V adjustable output, 2 A continuous output current, 2 MHz typical switching frequency, internal soft-start, thermal-shutdown and current-limit protection, and a junction operating temperature up to +125 °C. The exposed-pad package provides low thermal resistance (θJA ≈ 60 °C/W) for reliable 2 A operation from a single 3.3 V or 5 V rail. Typical applications include FPGA/ASIC/MCU core-voltage rails, set-top box and cable modem SoC supplies, portable consumer electronics, point-of-load conversion in distributed power systems, and any embedded design that requires a compact, high-efficiency 2 A step-down supply from a single Li-Ion or 5 V rail. When designing with this device, select a 1 µH to 4.7 µH shielded inductor with low DCR, place input/output ceramic capacitors close to the IC, and use the exposed pad as the primary thermal path - 4 thermal vias under the pad are recommended. The feedback resistors should use 1% tolerance parts to maintain VOUT accuracy. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
MIC23303YML-T5 - 3A 4MHz HyperLight Load Sync Buck | Microchip
The Microchip Technology MIC23303YML-T5 is a high-efficiency 4MHz 3A synchronous step-down buck regulator with HyperLight Load mode, Power Good output indicator, and programmable soft-start, housed in a 12-pin 3mm x 3mm VDFN exposed-pad package. It delivers up to 3A of output current from a 2.7V to 5.5V input rail, with an adjustable output from 0.65V up to 3.6V, making it a compact point-of-load solution for low-voltage digital cores. A buck regulator (also called a step-down switching converter) is a power management IC that efficiently converts a higher DC input voltage to a lower DC output voltage using high-frequency switching of an internal MOSFET pair, an external inductor, and an output capacitor. Within the broader taxonomy it sits under switching regulators -> DC-DC converters -> voltage regulators -> power management ICs -> semiconductors. Compared to linear regulators (LDOs), synchronous buck regulators such as the MIC23303YML-T5 achieve 80-95% efficiency across a wide load range because they recycle energy through the low-side MOSFET instead of dissipating it as heat. Key specifications include the 4MHz nominal PWM switching frequency (enabling 1uH-class inductors and sub-20mm^2 total solution footprint), 25uA typical quiescent current for battery savings, internal 65mohm high-side / 45mohm low-side MOSFETs, and a Power Good open-drain output that flags output regulation to a host microcontroller or sequencer. HyperLight Load mode dynamically shifts to PFM-style operation at light loads to maintain efficiency below 100uA loads. Architecturally, the MIC23303YML-T5 integrates both power MOSFETs and compensation inside the package, so only an inductor, input/output ceramic capacitors, and feedback resistors are required externally. The fixed-frequency PWM core combined with internal current-mode compensation provides stable operation across the full 0.65V-3.6V output range and across the -40C to +125C junction temperature window. Typical applications include powering 1.0V/1.2V/1.8V microcontroller and SoC core rails in space-constrained portable devices, providing secondary rails on FPGA/ASIC carrier boards, USB-powered handheld instruments, battery-backed IoT sensor hubs, and low-voltage DDR memory termination supplies. The 3A capability and 0.65V minimum output cover the bulk of sub-3.3V digital load points. When designing with this part, prioritize input capacitor placement directly at the PVIN/PGND pins to minimize switching-node ringing, and respect the 1A/ms PVIN slew-rate limit during hot-plug events. The exposed pad must be soldered to a continuous ground plane to meet the 45C/W thermal resistance; without it, output current derates substantially above 1.5A. This page synthesizes distributor pricing as of 2026-10-09, parametrically-verified drop-in alternatives, and practical layout notes not found in the standalone manufacturer datasheet.