Gestión de energía
Subcategorías
Productos (2819)
DRV8873QPWPRQ1 - 40V 10A H-Bridge Motor Driver | TI
The Texas Instruments DRV8873QPWPRQ1 is an automotive-grade, 40V, 10A H-bridge motor driver with integrated current sensing, housed in a 24-pin HTSSOP (PWP) PowerPAD package. It operates from a single supply of 4.5V to 38V and is AEC-Q100 qualified for harsh automotive environments. A brushed DC motor driver is a power management IC that controls direction and speed of motors by switching four N-channel MOSFETs in an H-bridge configuration. It belongs to the motor driver family within broader power management ICs, enabling bidirectional control in body electronics. Integrated low-resistance MOSFETs deliver high efficiency and minimal heat. Key features include integrated current sensing with a proportional IPROPI output, supporting stall detection and torque regulation without external shunts. The device supports both PH/EN and PWM control interfaces for flexible speed and direction management. Protection features include overcurrent, overtemperature, and undervoltage lockout, ensuring robust operation. Low quiescent current and sleep mode reduce battery drain in parked vehicles. The architecture integrates the H-bridge and current feedback, offloading the MCU from external amplifiers and sense resistors. The PowerPAD package provides low thermal resistance, enabling sustained multi-ampere loads on multilayer PCBs with adequate copper area. This simplifies system design and reduces BOM cost. Typical applications include power window lifters, sunroof actuators, seat adjusters, and other body control motor loads in vehicles. The wide input range also supports 12V and 24V automotive systems. Design tip: at high currents, provide generous copper under the PowerPAD and place decoupling capacitors close to the VM pin to manage di/dt transients. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
DRV8876PWPT - 40V 3.5A H-Bridge Motor Driver | TI
The Texas Instruments DRV8876PWPT is a 40-V, 3.5-A H-bridge motor driver with integrated current sensing and current-sense feedback, designed for driving one bidirectional brushed DC motor or two unidirectional brushed DC motors. It operates from a 4.5-V to 37-V supply voltage range and is available in a 16-pin HTSSOP (PWP) package. The device integrates an N-channel H-bridge, charge pump regulator, current sensing and regulation, and protection features, making it a compact and efficient solution for a wide range of motor control applications. An H-bridge motor driver is a power management IC that controls the direction and speed of a brushed DC motor by selectively turning on four transistors in an H configuration. The DRV8876 integrates the H-bridge, gate drivers, and protection circuitry into a single package, simplifying PCB design and reducing component count. It is part of the DRV887x family of brushed DC motor drivers, which are known for their flexibility and robustness. Key features include a 4.5-V to 37-V operating supply voltage, 3.5-A peak drive current, integrated current sensing with adjustable current regulation, and a low-power sleep mode. The device also provides overcurrent, overtemperature, and undervoltage lockout protection. The integrated current sense amplifier outputs a voltage proportional to the motor current, enabling precise torque control without external sense resistors. The DRV8876 uses an N-channel H-bridge architecture with a charge pump to drive the high-side FETs, achieving low RDS(on) and high efficiency. The current regulation feature allows the motor current to be limited to a programmable level, protecting the motor and power supply. The device is designed for industrial and consumer applications, including printers, robotics, and home appliances. Typical applications include brushed DC motor control in printers, robotics, and industrial automation. The wide supply voltage range and integrated protection make it suitable for battery-powered and industrial systems. The HTSSOP package with exposed thermal pad aids in heat dissipation, enabling reliable operation at high currents. When designing with the DRV8876, ensure adequate PCB copper area for thermal management, and place the charge pump capacitor close to the CP1 and CP2 pins. The current sense resistor should be placed near the ISEN pin to minimize noise. Proper decoupling on the VM pin is essential for stable operation.
DRV8886ATPWP - 37V 2A Bipolar Stepper Driver | Texas Instruments
The Texas Instruments DRV8886ATPWP is a 37-V, 2-A bipolar stepper motor driver with integrated current sensing and AutoTune (smart tune) technology, housed in a 24-pin HTSSOP (PWP) PowerPAD package. It integrates two N-channel power MOSFET H-bridge drivers, a microstepping indexer, and on-chip current-sense resistors, capable of driving up to 2-A full-scale or 1.4-A rms output current at 24 V and TA = 25°C (dependent on PCB design). The device supports STEP/DIR control up to 1/16 microstep resolution, and operates from a motor supply (VM) of 8 V to 37 V with a separate 3 V to 5.5 V logic supply (VCC). A stepper motor driver is a power-management IC that converts low-power STEP and DIR logic signals from a microcontroller into the high-current phase currents required to commutate a two-phase bipolar stepper motor. It sits in the system hierarchy between the motion controller (often a microcontroller, FPGA, or dedicated motion MCU) and the mechanical motor, providing regulated current through each winding using an H-bridge topology with PWM current chopping. The DRV8886ATPWP belongs to the brushless-DC/stepper motor driver subcategory of power management ICs, integrating MOSFETs, gate drivers, and a microstepping indexer so the host only needs to provide step pulses. Key features include a low 550 mΩ HS+LS on-resistance, integrated current sensing that eliminates external sense resistors, AutoTune (smart tune) technology that dynamically adapts decay mode to motor operating region, internal 3.3-V reference, stall detection (when used with AutoTune), and a low 20-µA sleep current. Programmable features include configurable decay modes (smart tune, mixed, slow, fast), 1 to 1/16 microstepping, torque DAC, and adjustable blanking/sleep timing via serial interface or external resistor. Architecturally, the device combines a charge-pump gate driver, dual H-bridges built from N-channel MOSFETs, an internal current-sense amplifier per phase, and a state machine that handles microstepping commutation. This integration removes external sense resistors and allows the system MCU to focus on motion profiles rather than real-time current control. Typical applications include 3D printers, automated door locks, point-of-sale (POS) printers, CCTV camera pan/tilt/zoom, and office automation equipment. For example, in a 3D printer extruder or bed-feeder axis, the DRV8886ATPWP delivers smooth microstep motion with AutoTune handling back-EMF-induced current distortion without firmware intervention. When designing with this part, ensure the PowerPAD is soldered to a copper pour of at least 1 in² to achieve the rated 1.4-A rms continuous current; the package's thermal performance is PCB-dependent. Use a 0.1-µF VCC bypass capacitor close to the IC and follow the datasheet ground/power layout recommendations to keep digital switching noise out of the sense amplifier. This page synthesizes verified distributor pricing, same-brand and cross-brand drop-in alternatives, application notes, and practical design guidance not consolidated on a single manufacturer or distributor page, giving engineers a one-stop decision resource for selecting and implementing the DRV8886ATPWP.
DRV8886ATPWPR - 37V 2A Stepper Driver w/ AutoTune | Texas Instruments
The Texas Instruments DRV8886ATPWPR is a 37-V, 2-A bipolar stepper motor driver with integrated current sensing and AutoTune (smart-tune) technology, housed in a 24-pin HTSSOP (PWP) package with PowerPAD exposed thermal pad. Headline parameters are 2 A full-scale output current (1.4 A rms at 24 V, TA = 25 °C, PCB-dependent), 1/16 microstepping indexer, and 8 to 37 V operating supply. The DRV8886AT is part of TI's DRV888x family for industrial and consumer end equipment. A stepper motor driver is a type of brushed DC motor controller that sequences current through two phase windings to produce precise discrete angular steps. Within the broader taxonomy, stepper drivers are a subset of motor drivers / motion controllers, which themselves belong to power management ICs and discrete semiconductor driver stages. The DRV8886AT integrates two N-channel power MOSFET H-bridges, a microstepping indexer, and current-sense resistors on-chip, eliminating the bulk external sense resistors required by older stepper designs. Key features include integrated current sensing (no external sense resistors), AutoTune adaptive decay that automatically selects between slow/mixed/fast decay modes per cycle, 1/16 microstepping for smooth low-vibration motion, internal 3.3 V reference for logic-level inputs, and comprehensive protection: overcurrent (OCP), overtemperature (TSD), undervoltage lockout (UVLO), and open-load detection. STEP/DIR interface simplifies connection to MCUs and FPGAs. Architecturally, the device uses two synchronous N-channel H-bridges with low RDS(on) FETs driven from a single VM supply. The integrated current-sense amplifier feeds an internal PWM current-chopper that regulates each phase current at the IREF-programmed value. AutoTune dynamically tunes the decay mode to the motor's back-EMF, reducing audible noise and ripple torque versus fixed-decay designs. Typical applications include 3D printers, CNC routers, textile and sewing machines, point-of-sale (POS) printers, video surveillance PTZ cameras, factory automation small stepper axes, and office automation equipment such as document scanners and label printers. Any 24-V-class bipolar stepper up to NEMA 17 size is a natural fit. When designing with the DRV8886ATPWPR, ensure adequate PCB copper under the exposed PowerPAD for thermal dissipation - at 1.4 A rms the chip dissipates roughly 1 W and needs the thermal pad soldered to at least 1 oz copper pour. Decouple VM with a 100 nF ceramic close to the pins plus a bulk 47 µF electrolytic. Use the Sleep (nSLEEP) pin for idle current reduction. This page synthesizes distributor pricing, same-brand and cross-brand drop-in alternatives, and practical thermal/PCB design notes not consolidated in the manufacturer datasheet.
DRV8886PWPR - 37V 2A Bipolar Stepper Driver HTSSOP-24 | TI
The Texas Instruments DRV8886PWPR is a 37-V, 2-A bipolar stepper motor driver with integrated current sensing and 1/16 microstepping, housed in a 24-pin HTSSOP (PWP) PowerPAD package with exposed thermal pad. It integrates two N-channel power MOSFET H-bridge drivers, a microstepping indexer, and internal current-sense resistors, eliminating the need for external sense resistors in most designs. A stepper motor driver is an integrated power IC that converts low-voltage logic step/direction signals into high-current, sequenced phase outputs capable of driving a two-phase bipolar stepper motor. Within the broader taxonomy, the DRV8886PWPR belongs to the motor driver family (full-bridge + indexer + current sense) inside the power management semiconductor category, complementary to brushed DC and three-phase BLDC drivers like the DRV887x and DRV832x series. Key specifications include 8-V to 37-V operating supply range, 2-A full-scale / 1.4-A rms phase current, 550 mOhm HS+LS on-resistance, 8 configurable decay modes (including TI's Smart Tune dynamic decay), 1.4 uA typical sleep current, and an internal indexer supporting up to 1/16 microstepping. STEP/DIR control with one logic input per phase simplifies MCU interfacing. The device uses an internal current-sense architecture with built-in sense FETs and a configurable chopping frequency up to 50 kHz, eliminating the power-loss and PCB-area penalty of external shunt resistors. Onboard protection includes VM undervoltage lockout (UVLO), charge-pump undervoltage, overcurrent protection (OCP), thermal shutdown (TSD), open-load detection, and fault indication on the nFAULT pin. The HTSSOP-24 PowerPAD package provides a low theta_JC of approximately 4 C/W for efficient heat extraction. Typical applications include 3D printers, CCTV pan-tilt-zoom (PTZ) cameras, office automation equipment (printers, scanners, copiers), textile and sewing machines, factory automation, and any 24-V nominal bipolar stepper system up to 2 A per phase. The 1/16 microstepping produces smooth motion profiles critical for precision positioning. When designing with the DRV8886PWPR, ensure the exposed PowerPAD is soldered to a copper pour of at least 1 square inch to keep junction temperature within safe limits. The DRV8886PWPR is pin-compatible with the lower-current DRV8884 (1.0 A) and DRV8886AT (automotive grade), enabling scalable hardware platforms. This page synthesizes distributor pricing, drop-in alternatives, comparison data, and practical design notes beyond what is found in the manufacturer datasheet alone, helping engineers select and qualify the right stepper driver quickly.
DRV8889-Q1 - 45V 1.5A Automotive Stepper Driver | Texas Instruments
The Texas Instruments DRV8889-Q1 is an integrated automotive bipolar stepper motor driver with up to 45 V operating voltage, 1.5 A full-scale output current, and 1/256 microstepping resolution, housed in a 24-pin HTSSOP (PWP) package with PowerPAD. It integrates dual N-channel power MOSFET H-bridges, integrated current sensing and regulation circuitry, and an internal microstepping indexer. A stepper motor driver is a power management IC that converts digital step and direction commands, or SPI register writes, into phased coil currents that rotate a stepper motor in precise increments. Within the power management hierarchy, it sits below the general motor-driver category and above discrete H-bridge MOSFET solutions, combining control logic and power stage in a single semiconductor package. Key differentiating features include the smart tune decay technology, which automatically selects the decay mode to minimize audible ripple and improve current regulation accuracy, and an advanced stall detection algorithm that infers rotor position loss without external sensors. Integrated current sensing eliminates external sense resistors, reducing BOM cost and PCB area, while integrated current regulation protects the MOSFET bridges from overcurrent. Architecturally, the DRV8889-Q1 combines a microstepping indexer, two full H-bridges with internal current-sense circuitry, and protection features such as thermal shutdown, undervoltage lockout, and overcurrent protection. Control is available through a serial SPI interface for full register access or a legacy Step/Direction interface for simple motion controllers, allowing the same silicon to serve both MCU-driven and ASIC-driven designs. Typical applications include automotive headlamp leveling actuators, HVAC damper and air-flap actuators, throttle and EGR valve positioners, and headlight beam-rotation modules. In each case the 1/256 microstepping delivers smooth, quiet motion while stall detection provides diagnostics required for functional-safety monitoring in automotive ECUs. A key design consideration is thermal: with two integrated H-bridges driving 1.5 A full-scale current, the PowerPAD on the HTSSOP-24 package must be soldered to a substantial copper pour to keep junction temperature within the AEC-Q100 operating range. The AEC-Q100 qualified DRV8889A-Q1 variant is preferred for new automotive designs because it adds configurable open-load detection timing and defaults the H-bridges to disabled after power-up. This page synthesizes verified distributor data, drop-in alternatives including the pin-to-pin compatible NSD8389, and practical design notes not found in the manufacturer datasheet.
DZDH0401DW-7 - 40V Ideal Diode Controller SOT-363 | Diodes Inc
The Diodes Incorporated DZDH0401DW-7 is a +40V, -50V reverse voltage protection ideal diode controller that drives an external P-channel enhancement MOSFET, housed in a compact 6-pin SOT-363 (SC-70-6) surface-mount package. It operates from a 0V to 40V supply range, offers reverse-voltage protection down to -50V, and functions across a -65C to +150C temperature range. An ideal diode controller is a power management IC that replaces a conventional rectifier diode with a MOSFET-based switch, eliminating the fixed ~0.7V forward voltage drop of silicon diodes. In the power management hierarchy, it sits between power sources and loads, enabling ORing of supplies, battery feeding, and reverse-polarity protection with millivolt-level forward losses instead of diode drops, greatly improving power efficiency in low-voltage, high-current rails. Key features include the internal differential amplifier and P-MOS gate controller that compare IN and OUT voltages; when the forward differential exceeds approximately 34mV (typical), the gate drive turns the MOSFET fully on to minimize conduction losses. When VIN falls below VOUT, the controller rapidly pulls the gate high to block reverse current, providing high isolation and reverse discharge protection. The -50V negative rating makes it suitable for input protection against reverse-battery and inductive kickback events. Technically, the DZDH0401DW operates as a precision comparator plus gate driver loop: forward mode regulates the MOSFET to behave like a low-loss diode, while reverse mode turns the P-channel MOSFET off. A VBIAS pin supports local biasing of the MOSFET gate. Maximum power dissipation is 300mW, adequate for the controller itself since power is handled by the external MOSFET. Typical applications include N+1 redundant power supply ORing, battery-backup feeds in industrial and telecom equipment, reverse-battery protection in automotive and portable devices, solar-panel blocking diodes, and high-side power-path management. Design tip: select a P-channel MOSFET whose VGS(max) exceeds the worst-case supply differential and keep the IN-OUT sense traces short for fast reverse-current shutdown. This page synthesizes distributor pricing, stock data, and engineering design notes not found in the manufacturer datasheet alone.
E-TDA7377 - 2x38W Dual/Quad Audio Amplifier | STMicroelectronics
The E-TDA7377 is a class AB audio power amplifier from STMicroelectronics, designed for car radio and high-power audio applications. It delivers up to 38W per channel in dual-bridge configuration (2x38W) or 4x10W in quad single-ended mode, operating from a supply voltage range of 8V to 18V. The device is housed in a Multiwatt-15 package, providing excellent thermal performance for high-power dissipation. An audio power amplifier is an electronic device that increases the amplitude of low-power audio signals to a level sufficient to drive loudspeakers. In a car audio system, the amplifier takes the low-level signal from the head unit and boosts it to drive the speakers, providing the necessary current and voltage swing. The E-TDA7377 belongs to the class AB amplifier family, which offers a good compromise between efficiency and linearity, making it suitable for high-fidelity audio reproduction. Key features of the E-TDA7377 include a wide supply voltage range (8V to 18V), low quiescent current, and high output power. It incorporates standby and mute functions for power management, and features short-circuit, thermal, and over-voltage protection. The device also has a very low external component count, simplifying PCB design and reducing system cost. The E-TDA7377 uses a complementary NPN/PNP output stage with a Darlington configuration, providing high current gain and low output impedance. The amplifier is designed to operate with a single-ended or bridge-tied load (BTL) configuration, allowing flexible system design. The Multiwatt-15 package includes a metal tab for heatsinking, enabling efficient heat dissipation in high-power applications. Typical applications include car radio amplifiers, active speaker systems, and high-power audio systems. In a car radio, the E-TDA7377 can drive four speakers directly, providing a complete audio solution with minimal external components. The device's high output power and low distortion make it suitable for high-quality audio reproduction. When designing with the E-TDA7377, ensure adequate heatsinking is provided to keep the junction temperature within safe limits. The standby and mute pins allow for power management and pop-free turn-on/off. Proper PCB layout with short, wide traces for power and ground is essential to minimize noise and ensure stable operation.
E-UC3844BD1 - 500kHz Current Mode PWM Controller, 8-SOIC
The STMicroelectronics E-UC3844BD1 is a high-performance, fixed-frequency current-mode PWM controller IC that delivers the building blocks required for off-line and DC-to-DC converter topologies in an 8-pin SOIC package. It supports switching frequencies up to 500 kHz, operates from a self-biased 11.5 V to 25 V supply rail, and provides up to 50% maximum duty cycle for single-ended forward and flyback designs. The trimmed oscillator is guaranteed to 250 kHz on the timing resistor/capacitor network, enabling precise frequency programming without external compensation. A current-mode PWM controller is an integrated circuit that regulates output voltage by directly modulating the peak inductor current on a cycle-by-cycle basis, instead of controlling only the output voltage. This controller category sits within the broader hierarchy of PWM controllers -> switching controllers -> DC-DC controllers -> power management ICs -> semiconductors. Current-mode control provides inherent input-voltage feed-forward, automatic duty-cycle correction on input transients, and simplified closed-loop compensation because the inductor pole moves with the conversion ratio, leaving a single-pole output filter. Key features include an on-chip 5 V reference with under-voltage-lockout (UVLO) thresholds optimized for 16 V turn-on / 10 V turn-off, low start-up current of 0.5 mA typical, totem-pole output capable of 1 A peak gate drive, automatic feed-forward compensation, and a latching PWM architecture with cycle-by-cycle current limiting. The internal totem-pole driver can directly switch the gate of a power MOSFET or an IGBT, and the synchronous step-down topology variant supports input voltages up to 25 V. The E-UC3844BD1 uses a bipolar control loop with a trimmed precision current-sense amplifier feeding the PWM comparator. Compared to the UC3842 (no UVLO) and UC3843 (8.4 V/7.6 V UVLO) variants, the E-UC3844BD1 offers the 16 V/10 V UVLO window favored for universal-input offline flyback converters. The architecture is built on the same die as the rest of the UC384xB family, with pin-for-pin equivalence to the UC3842BD1, UC3843BD1, UC3844BD1, UC3845BD1 series; only the UVLO thresholds and maximum duty cycle differ. Typical applications include isolated AC-DC adapters, auxiliary supplies in industrial and white-goods equipment, isolated flyback telecom converters, and battery-charging front-ends. Designers select this part when they need an industrial-standard, low-cost current-mode controller with 50% duty cycle for forward or active-clamp topologies and a 16 V UVLO window for offline rectification. When designing with this device, place the current-sense resistor between the source of the external power switch and ground to enable cycle-by-cycle limiting. The 1 A totem-pole output stage requires a gate resistor of 10 ohm to 47 ohm to damp ringing when driving a large MOSFET gate, and the VREF bypass capacitor (typically 0.1 uF ceramic in parallel with 1 uF tantalum) must be placed within 5 mm of the VREF pin to keep loop stability. This page consolidates STMicroelectronics literature, authorized distributor stock, same-family alternatives such as UC3842BD1/UC3843BD1, and direct cross-brand pin-compatible drop-in replacements (UC3844BD1 from onsemi and TI) into one comparison matrix that is not available on any single distributor product page.
EL7104 - 1A High-Speed MOSFET Gate Driver | Renesas
The Renesas EL7104 is a high-speed, single-channel, non-inverting power MOSFET gate driver capable of delivering peak output currents of 1 A into highly capacive loads, housed in 8-pin SO and 8-pin PDIP packages and specified for operation over the full -40C to +85C temperature range. A power MOSFET driver is a buffer IC that translates logic-level control signals into the high-current, fast-edged gate drive waveforms required to rapidly charge and discharge the gate capacitance of power MOSFETs. Within the power-management IC hierarchy, gate drivers sit between low-voltage PWM controllers or logic devices and the power switch itself, and the EL7104 also serves as a high-speed clock/capacitive-load driver, improving on the industry-standard TC-4420/29 driver family. Key features include 1 A peak output current for fast switching of large MOSFETs or capacitive loads, very high speed propagation achieved through a proprietary Turbo-Driver circuit that accelerates the input stages by tapping the wider voltage swing at the output stage, and a supply-voltage range extending to 16.5 V. Because the output is non-inverting, it can directly replace non-inverting members of the TC-4420 family in many layouts. The Turbo-Driver architecture is a CMOS-based design that achieves a roughly 10-fold reduction in supply current compared with older bipolar drivers, yet without the delay-time problems commonly associated with CMOS drivers. This combination of low quiescent consumption and low, matched propagation delay makes the part well suited to driving loads at elevated switching frequencies with predictable timing. Typical applications include low-side MOSFET gate driving in DC-DC converters and motor control circuits, high-speed clock or capacitive-load driving, and level-shifted gate drive stages in industrial power supplies. The 1 A peak capability allows fast gate transitions that reduce switching losses in the driven MOSFET. A key design consideration is supply decoupling: because 1 A peak currents are delivered in nanosecond-scale pulses, a low-ESR ceramic capacitor must be placed directly across the V+ and GND pins to prevent supply dip and unwanted ringing at the output. This page synthesizes the manufacturer datasheet data, distributor listing information, and drop-in replacement analysis not found in any single source, including pricing context and alternatives comparison.
EL7202CSZ-T7 - 2A Dual MOSFET Driver, Non-Inverting SOIC-8 | Renesas
The Renesas EL7202CSZ-T7 is a high-speed dual-channel power MOSFET driver housed in an 8-pin SOIC package, delivering peak output currents of 2.0 A into highly capacitive loads from a 4.5 V to 15 V supply rail. Each of the two non-inverting channels uses a proprietary Turbo-Driver architecture that speeds up the input stage by tapping the wider buss-voltage swing, reducing propagation delay to roughly 20 ns while preserving the pinout of the industry-standard DS0026 clock driver. The matched pair behavior improves symmetry for synchronous rectifier, push-pull, and clock-driver applications where channel-to-channel skew must be tightly controlled. A MOSFET driver is a specialized gate-driver IC that translates low-current logic-level signals (from microcontrollers, clock generators, or PWM controllers) into the high peak currents required to rapidly charge and discharge the gate capacitance of a power MOSFET or IGBT. As a member of the gate-driver IC category, it sits between the control logic layer and the power-conversion layer in the broader power-management hierarchy: gate driver -> driver IC -> power management IC -> semiconductor. Because MOSFET and IGBT gates can present several nanofarads of input capacitance, naive TTL/CMOS drivers cannot switch them quickly; the resulting slow edges cause switching losses, EMI, and shoot-through in half-bridges. Key features of the EL7202CSZ-T7 include 2.0 A peak output current per channel, matched-channel architecture for symmetric rise/fall timing, a wide 4.5 V to 15 V operating supply, low quiescent current, and TTL/CMOS-compatible inputs. The 8-pin SOIC footprint exposes both inverting and non-inverting channel outputs internally tied in parallel for higher peak current, with an internal connection that uses non-inverting logic on its single channel-2 pin and inverting logic on its channel-1 pin for maximum design flexibility. Typical applications are switching power supplies, DC-DC converters, motor drives, MOSFET/IGBT drivers for half-bridges, clock-driver replacement, and high-speed line drivers. The matched channels are particularly valuable where timing skew between high-side and low-side signals would otherwise create shoot-through, making this driver a strong choice for synchronous rectifier control in telecom and industrial power systems. When designing with this part, observe the absolute maximum supply voltage of 16 V, place a 1 µF bypass capacitor within 0.25 inch of the VDD pin, and keep the high-current output traces short to limit parasitic inductance. The non-inverting configuration means a logic HIGH on the input drives the output HIGH, so any inverting behavior must be implemented externally. This page synthesizes distributor pricing, drop-in Renesas replacements, and PCB layout notes not consolidated in the manufacturer datasheet, supporting faster selection for new designs and maintenance of legacy DS0026-style clock driver boards.
EM6151V53SO8B+ - Windowed Watchdog Supervisor, 5.3V, SOIC-8 | EM Microelectronic
The EM Microelectronic EM6151V53SO8B+ is a low-power windowed watchdog supervisor with reset and sleep-mode features, factory-set to a 5.3V threshold in an 8-pin SOIC package. According to the EM Microelectronic datasheet, this device combines voltage monitoring with software monitoring using a windowed watchdog, integrating three functions (voltage supervisor, windowed watchdog, and sleep-mode control) into a single 8-SOIC device. A watchdog timer is a hardware peripheral that monitors microcontroller activity and triggers a reset if the firmware fails to service the watchdog within a defined window. A windowed watchdog enforces both a minimum and maximum service interval, catching firmware that resets the watchdog too quickly (indicating stuck code in a tight loop) and firmware that fails to service it at all. This is critical for automotive, industrial, and safety-critical applications where firmware lockups must be detected and recovered automatically. Key specifications include a 5.3V factory-trimmed reset threshold voltage, 4.57ms typical reset pulse width, open-drain or open-collector active-low RESET output, and very low quiescent current suitable for battery-backed systems. The windowed watchdog function prevents faulty firmware from masking a system lockup by rapidly toggling the watchdog input. The sleep-mode feature allows the host microcontroller to disable the watchdog during low-power states. The EM6151V53SO8B+ uses EM Microelectronic's proprietary low-power CMOS architecture, integrating a precision bandgap voltage reference, a windowed watchdog timer, and a reset generator on a single die. The factory-trimmed threshold eliminates external resistor dividers and reduces BOM cost. The integrated architecture minimizes board space compared to discrete supervisor plus external watchdog solutions. Typical applications include embedded microcontroller supervision in industrial control, automotive body and chassis ECUs, battery-powered IoT sensor nodes, and safety-critical medical devices. The 5.3V threshold is well-matched to 5V regulated rails with tolerance headroom. The open-drain output allows wired-OR connection of multiple supervisors on a shared reset line. When designing with this device, ensure the WDI signal from the host microcontroller toggles within the watchdog window both faster than the watchdog timeout and slower than the minimum window period. Place a 0.1uF decoupling capacitor close to VCC, and use a pull-up resistor on the open-drain RESET output sized for the line capacitance and required rise time. This page synthesizes distributor pricing from DigiKey, LCSC, FPGACenter, JLCPCB, and Veswin, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
EM6151V55SO8B+ - 5.5V Windowed Watchdog Supervisor | EM Microelectronic
The EM Microelectronic EM6151V55SO8B+ is a low-power windowed watchdog supervisor with reset and sleep mode functions, housed in an 8-pin SOIC package. It combines voltage monitoring and software monitoring using a windowed watchdog, providing a high level of integration for embedded systems that require both hardware and software supervision. The device operates with a 5.5V threshold and offers an open-drain or open-collector reset output. A watchdog supervisor (also called a system supervisor or reset IC) is a dedicated integrated circuit that monitors a microprocessor or microcontroller's activity and forces a reset if the firmware fails to service the watchdog within a defined time window. Watchdog supervisors belong to the broader category of power management ICs, specifically within supervisors and reset circuits. They sit alongside voltage supervisors, battery monitors, and sequencers, providing mission-critical housekeeping functions that software alone cannot guarantee. Key features include a windowed watchdog timer that detects both premature and missing service pulses, a manual reset input, sleep mode for ultra-low quiescent current, and a single-channel open-drain reset output. The windowed watchdog ensures the host processor services the watchdog within a bounded time interval, catching both stalled code (no service) and runaway code (too-frequent service). The reset output remains asserted for a defined pulse width, allowing the system clock and supply rails to stabilize. The EM6151 architecture combines a precision voltage reference, a windowed watchdog timer block, and a low-power comparator for VCC monitoring. The 5.5V threshold variant is one of several fixed thresholds offered in the EM6151 family, selected by part number suffix. The device is designed for low quiescent current during sleep mode, enabling battery-powered applications to maintain supervision with minimal drain. Typical applications include microcontroller reset supervision in industrial controllers, embedded IoT endpoints, automotive body electronics (when paired with an automotive-qualified equivalent), and battery-powered portable instrumentation. The combination of voltage monitoring and windowed watchdog in a single 8-pin SOIC reduces BOM count and PCB footprint. When designing with this part, ensure the WDI (watchdog input) service pulse timing falls within the watchdog window, and place the decoupling capacitor close to VCC. The sleep mode requires careful sequencing to avoid unintended system lock-up. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet, providing engineers with an at-a-glance reference for system supervision design.
EY1501DI-ADJ - 1A Adjustable LDO, 2.2-6V Input, 10-DFN | Intel/Altera
The Intel (formerly Altera/Enpirion) EY1501DI-ADJ is a low-voltage, high-current, single-output CMOS LDO linear regulator specified at 1A output current and housed in a 10-pin DFN (3x3 mm) package. It operates from input voltages of 2.2V to 6V and supports adjustable output voltages from 0.8V to 5V, making it well suited to digital core and low-voltage analog rails in FPGA-, SoC-, and DSP-based designs. The part is produced on a sub-micron BiCMOS process that pairs the low quiescent current of CMOS with the analog precision of bipolar transistors, delivering best-in-class analog performance and high overall value. An LDO (Low-Dropout) linear regulator is a type of voltage regulator that maintains a stable output voltage even when the input voltage is very close to the output voltage. Within the power management hierarchy, LDOs sit under linear regulators, which sit under voltage regulators, which sit under the broader power management IC category. Compared with switching regulators, LDOs introduce no switching ripple and therefore add no high-frequency EMI, at the cost of higher power dissipation when VIN - VOUT is large. Key features of the EY1501DI-ADJ include a low dropout voltage of approximately 212 mV at 1A, a CMOS core that minimizes quiescent current relative to bipolar LDOs, and an adjustable output set by an external resistor divider. The 10-DFN (3x3) package gives a small PCB footprint suited to point-of-load placement next to noise-sensitive ICs. The device is marked by Enpirion/Altera as Not Recommended for New Design (NRND) on Rev B (January 18, 2017), and DigiKey lists the part as obsolete; it remains in distribution inventory for legacy designs. The EY1501DI-ADJ is commonly used as a post-regulator that cleans up switching-converter noise on FPGA/SoC core, auxiliary, and transceiver rails; as a low-voltage analog LDO for ADC/DAC reference supplies; and as a small-footprint 1A LDO in networking, telecom, and industrial embedded boards. Its 0.8V reference makes it convenient for powering core rails below 1V when paired with an appropriate feedback divider. When designing with this device, confirm that the dropout voltage at full load still leaves adequate VIN headroom for worst-case minimum input. Place input and output ceramic capacitors close to the IC pins per the datasheet, and verify that the PCB thermal copper is sufficient to dissipate (VIN - VOUT) x IOUT at the chosen load profile. This page synthesizes distributor pricing, cross-reference data, and practical design notes not found in the manufacturer datasheet.
EZ1084CT-2.5T - 2.5V 5A Positive LDO | Semtech
The Semtech EZ1084CT-2.5T is a fixed 2.5 V positive low-dropout linear regulator capable of supplying up to 5 A, supplied in a three-lead TO-220-3 package. It belongs to the EZ1084 series of high-performance positive voltage regulators designed for low-dropout operation and stable regulation across changes in input voltage, load current, and temperature. A low-dropout regulator, or LDO, is a linear voltage regulator that passes most of its input voltage through as output voltage while regulating the output to a specified level. Unlike a switching DC-DC converter, an LDO does not intentionally create high-frequency switching energy, making it useful when a relatively quiet power rail is more important than conversion efficiency. In system power hierarchy terms, the EZ1084CT-2.5T is a linear regulator, voltage regulator, power-management IC, and semiconductor. The fixed 2.5 V output is intended for systems requiring a stable positive rail. Its 5 A current capability makes it relevant to higher-current logic, communications, industrial-control, and embedded power trees when the available input voltage remains above the regulator's dropout requirement. The provided verified listings identify the part as a positive, fixed-output, low-dropout regulator and describe the EZ1084 family as providing excellent regulation over line, load, and temperature variations. The EZ1084 family is designed for applications requiring low-dropout performance at up to 5 A. The controller uses a linear-regulation topology rather than a switching topology, so designers should account for the difference between input and output voltage when estimating heat dissipation. At a nominal 5 V input, 2.5 V output, and 5 A load, the estimated regulator dissipation from the voltage drop alone is 6.25 W before considering other losses; this is an engineering estimate and not a manufacturer specification. A suitable copper area, thermal interface, and airflow may therefore be required. Typical application areas include low-dropout 2.5 V rails for embedded systems, industrial controller boards, communications equipment, and compact power-supply modules. The TO-220-3 package supports through-hole assembly and provides a substantial thermal copper tab compared with small surface-mount packages, although the exact tab connection and pin functions should be confirmed against the selected package variant and manufacturer documentation before layout. Designers should verify maximum input voltage, dropout voltage, quiescent current, thermal resistance, current limit, stability capacitor requirements, and pin assignments from the current Semtech datasheet. Input and output capacitors should be placed close to the regulator pins, with ESR and capacitance selected according to the manufacturer's stability guidance. The verified search results did not provide exact values for every electrical limit, so this page does not infer missing numerical ratings. This page combines verified manufacturer-series descriptions, distributor identification, package information, application context, thermal guidance, and honest cross-reference limitations for EZ1084CT-2.5T. It is intended to help engineers locate the datasheet, assess the 2.5 V and 5 A rating, compare compatible options, and plan a robust linear-regulator implementation.
FAN2001MPX - 1A 5.5V Sync Buck Converter, 1.3MHz | onsemi
The onsemi FAN2001MPX is a high-efficiency, low-noise synchronous PWM current-mode and Pulse Skip (Power Save) mode DC-DC step-down converter that delivers up to 1 A of output current over a wide input voltage range of 2.5 V to 5.5 V. Housed in a compact 6-pin WDFN Exposed Pad package, it achieves 96% peak efficiency with 1.3 MHz fixed-frequency PWM operation, making it well suited for space-constrained portable and battery-powered designs. A buck (step-down) DC-DC converter is a switched-mode power supply topology that efficiently converts a higher DC input voltage to a lower DC output voltage by rapidly switching an inductor between charge and discharge phases. Buck converters sit within the broader hierarchy of voltage regulators (linear regulators vs. switching regulators), within the power management IC family of semiconductors. Synchronous buck converters replace the traditional rectifier diode with a low-side MOSFET to reduce conduction loss and improve efficiency, especially at high output currents. Key features of the FAN2001MPX include an externally adjustable output voltage range from 0.8 V up to VIN (5.5 V maximum), 100% duty-cycle low-dropout operation, internal soft-start, and a Power Save mode that automatically skips switching cycles at light load to maximize efficiency. The exposed thermal pad provides a low thermal resistance path, enabling the part to deliver 1 A continuously without external heatsinking in typical application conditions. The FAN2001MPX uses a peak-current-mode control architecture with internal compensation, simplifying external component selection and providing excellent line and load transient response. The 1.3 MHz switching frequency allows the use of small low-profile inductors and ceramic capacitors, while the synchronous rectification reduces ripple and improves light-load efficiency. A dedicated EN/SD pin enables simple on/off control and power sequencing in multi-rail systems. Typical applications include single-cell Li-ion powered portable electronics, USB-powered peripherals, hard-disk drive power, point-of-load regulation in 5 V distributed systems, and battery-backed solid-state drives. The wide input range and high efficiency make it particularly suitable for designs where battery life and thermal performance are critical. When designing with the FAN2001MPX, select an inductor with low DCR (typically 1 µH to 2.2 µH) and ensure the input/output ceramic capacitors meet the RMS current rating. The exposed pad must be soldered to a ground copper pour of at least 25 mm² for proper thermal dissipation. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet alone, providing engineers with a complete selection reference for portable power designs.
FAN4855MTC - 500mA Boost Regulator, Adjustable | Fairchild
The Fairchild Semiconductor (onsemi) FAN4855MTC is a 500 mA high-efficiency PFM boost switching regulator with adjustable output, shutdown, and low battery detect, housed in an 8-TSSOP (0.173 inch, 4.40 mm width) package with 8 pins and surface mounting. A boost regulator is a type of switch-mode DC-DC converter that steps an input voltage up to a higher regulated output voltage using an inductor, a switching element, and a diode. Within the power management hierarchy, the FAN4855 sits under switching regulators, which belong to voltage regulators and power management ICs. Boost converters are essential in battery-powered systems where the cell voltage sags below the level required by the load, such as converting two NiCd/NiMH cells (approximately 1.8 V to 3.0 V) to a 5 V rail. Key features include low-power PFM (pulse frequency modulation) control for high efficiency at light loads, an input voltage range extending to 4.5 V, an adjustable output voltage range of approximately 3 V to 5 V, up to 500 mA maximum switch current, and an integrated low battery detect comparator with shutdown mode for power conservation. According to the Fairchild Semiconductor datasheet, the device targets low-voltage DC-DC conversion in 2-cell battery-powered systems. Technically, the FAN4855 uses asynchronous PFM boost architecture: the internal NPN switch is driven until the current limit or peak threshold is reached, then the inductor energy is released through an external Schottky diode into the output capacitor. PFM operation eliminates the switching-frequency clock of PWM converters, reducing quiescent power and improving efficiency in portable applications. Typical applications include digital cameras, cell phones, and PDAs, as well as any 2-cell alkaline or NiMH product needing a stable 5 V logic or display rail. A key design consideration: PFM regulators exhibit variable switching ripple, so output filtering and PCB layout of the inductor and Schottky diode loop require attention for noise-sensitive loads. This page synthesizes distributor pricing, drop-in alternative data, and practical design notes not found in the manufacturer datasheet.
FAN5308MPX - 800mA 5.5V Sync Step-Down DC-DC | onsemi
The onsemi FAN5308MPX is an 800 mA high-efficiency, low-noise synchronous step-down (buck) DC-DC converter designed for use in battery-powered applications. Housed in a 6-pin WDFN (MLP) exposed-pad package, it integrates the high-side and low-side MOSFETs and operates from a 2.5 V to 5.5 V input rail, delivering an externally adjustable output voltage from 0.8 V up to 5.5 V. According to the manufacturer datasheet, the device achieves up to 96% efficiency and uses a fixed-frequency 1.3 MHz PWM controller that automatically transitions into a pulse-skipping power-save mode at light load to maximize battery life. A buck (step-down) DC-DC converter is a switching-mode power supply topology that uses an inductor, a switch, and a rectifier to convert a higher input DC voltage into a lower output DC voltage with far higher efficiency than a linear regulator. The FAN5308 belongs to the broader hierarchy of switching regulators -> DC-DC converters -> power management ICs -> power semiconductors, and its synchronous-rectifier architecture replaces the conventional Schottky diode with a low-side MOSFET to further reduce conduction loss. Key features of the FAN5308MPX include a 100% duty-cycle pass-through mode that allows the output to follow the input when VIN drops near VOUT, an external soft-start/programmable current limit, internal compensation, and built-in protections such as over-current, over-voltage, and thermal shutdown. The 1.3 MHz switching frequency enables the use of small ceramic input and output capacitors as well as a tiny chip inductor, making the converter suitable for space-constrained portable designs. Architecturally, the FAN5308 uses a current-mode PWM control loop with an internal synchronous rectifier. Current-mode control simplifies loop compensation by referencing the inductor current rather than the output voltage, which provides inherent cycle-by-cycle current limiting and excellent line-transient response. The exposed thermal pad on the bottom of the WDFN package provides a low-thermal-resistance path to the PCB copper pour, helping dissipate up to ~1 W of internal loss at full 800 mA load. Typical applications include single-cell Li-ion powered portable electronics, smartphones, wearables, USB-powered devices, SSDs, and any system that requires a compact, high-efficiency point-of-load regulator. The part is also widely used as a core or peripheral supply in microcontroller-based boards. A key design consideration is inductor selection: a 1.0-2.2 µH shielded power inductor with low DCR is recommended to minimize conduction loss and ripple. Ensure the input and output ceramic capacitors are rated for at least 6.3 V, placed as close as possible to the IC to suppress switching-node ringing. This page synthesizes distributor pricing, drop-in alternatives, and practical design notes not found in the manufacturer datasheet.
FAN601ALMPX - High Power Density QR Offline Flyback | onsemi
The onsemi FAN601ALMPX is a high-power-density offline AC-DC converter controller operating in quasi-resonant (QR) valley-switching mode for flyback power supplies, supplied in tape-and-reel packaging. An offline switcher controller is the control heart of an isolated AC-DC power supply: it drives an external power MOSFET, senses the flyback transformer for valley/demagnetization timing, regulates the output through feedback, and manages protection. It sits at the top of the power-management IC hierarchy (controller -> switching regulator -> power management IC), converting a rectified mains bus into one or more isolated low-voltage DC rails. Quasi-resonant (valley-switching) operation turns the main switch on at the valley of the drain-voltage oscillation, reducing switching loss and EMI compared with fixed-frequency hard switching. The defining feature of the FAN601 family, as highlighted in onsemi and distributor listings, is high power density: by combining QR valley switching with efficient control, designers can shrink transformer size and reduce heatsinking, enabling compact adapter and auxiliary-power designs. Newark describes the part as a HIGH POWER DENSITY WITH VALLEY SWITCHING OPERATION (QR) CONTROLLER, confirming the QR flyback topology and reel packaging. Typical applications include USB and laptop AC adapters, auxiliary standby supplies for appliances and industrial equipment, and isolated bias supplies for higher-power systems, where compact size, low EMI, and good light-load behavior matter. When designing with this device, follow the manufacturer datasheet for transformer design, valley-detection component values, and protection thresholds; QR controllers are sensitive to transformer leakage inductance and snubber choices. Verify startup and burst-mode standby behavior against the target no-load power specification. This page synthesizes verified distributor listings, real-time availability data, and practical QR-flyback design guidance not consolidated in the manufacturer datasheet.
FAN73611MX - 600V High-Side Gate Driver, 1-Ch, 8-SOIC | onsemi
The onsemi FAN73611MX is a single-channel monolithic high-side gate driver IC for MOSFETs and IGBTs operating up to +600V, housed in an 8-pin SOIC (SO-8) package. It features a 0.5A source/0.5A sink gate-drive current, built-in bootstrap diode, and common-mode noise-canceling techniques that provide stable operation under high dv/dt noise conditions. The driver operates from a logic-level input compatible with 3.3V/5V microcontrollers, with a wide VBS supply range up to 25V. What is a high-side gate driver? A high-side gate driver is a power management device that switches the floating gate of a high-voltage N-channel MOSFET or IGBT referenced to the switching node (rather than ground). High-side drivers sit in the gate-driver hierarchy between low-side gate drivers and full-bridge/three-phase driver ICs; they are essential in synchronous rectification, half-bridge power stages, and electronic ballasts where the load is referenced to the negative rail. Compared to low-side drivers, high-side drivers add level-shifting and bootstrap circuitry but eliminate the need for a P-channel device. The FAN73611MX uses onsemi's high-voltage process and a floating channel architecture that supports an offset voltage up to 600V, making it suitable for offline and three-phase inverter stages. Under-voltage lockout (UVLO) on the bootstrap supply prevents the driven MOSFET from operating in linear region during low VBS. Matched propagation delay between rising and falling edges (~140 ns typical) supports timing-sensitive PFC and lighting ballasts. Typical applications include electronic ballast fluorescent lighting, switched-mode power supply (SMPS) half-bridge converters, motor drive auxiliary circuits, and PFC boost stages. The internal bootstrap diode simplifies PCB layout by eliminating an external discrete diode. A key design consideration is the bootstrap capacitor sizing. CIN must sustain the gate charge of the driven MOSFET plus quiescent current of the IC between refresh cycles; undersizing causes VBS droop and intermittent gate-signal collapse at low duty cycles. This page synthesizes distributor pricing, drop-in alternatives, pin-level compatibility data and practical design notes not consolidated on the manufacturer datasheet, giving engineers a one-stop reference for sourcing and second-sourcing this onsemi part.
FAN7383MX - 600V Half-Bridge Gate Driver, 14-SOP | onsemi
The onsemi FAN7383MX is a 600V half-bridge gate-drive IC with shutdown and programmable dead-time control, packaged in a 14-pin SOP (SOIC-14) and rated for 0.65A sink / 0.35A source gate-drive current. It drives the high-side and low-side MOSFETs or IGBTs of a half-bridge from a single PWM input, with the dead-time programmed by a single external resistor at the DT pin. A half-bridge gate driver is a type of FET/IGBT driver (a sub-category of power management ICs) that supplies the high peak gate charge currents required to switch the high-side switch of a synchronous half-bridge or full-bridge power stage. Compared to gate-drive transformers or bootstrap-only discrete designs, an integrated half-bridge driver IC such as the FAN7383MX adds level shifting, a stable bootstrap diode for the high-side rail, dead-time insertion to prevent shoot-through, and logic-level PWM input compatibility - replacing dozens of discrete components with one IC. Key features include 600V high-side offset voltage (allowing operation on 400V-class rectified bus rails), built-in common-mode noise cancellation for stable high-dv/dt operation, an SD (shutdown) input, and a programmable dead-time range that optimizes turn-on/turn-off timing for MOSFET or IGBT switches. The 14-SOP footprint gives it a small board area while still allowing conventional hand-soldering and visual inspection, which is uncommon for high-voltage gate drivers that are typically SOIC-8 or smaller. Architecturally, the FAN7383MX uses onsemi's high-voltage BCD process with an advanced level-shift circuit that translates the PWM input reference (ground) to the floating high-side rail, plus a noise-canceling technique that rejects the large dV/dt transients seen on the switching node (HS pin). The DT pin sources a current set by R_DT through an internal resistor network, which controls the dead time between HO and LO transitions. Typical applications include 3-phase inverter motor drives (HVAC compressors, small industrial fans, washing-machine variable-frequency drives), half-bridge and full-bridge switch-mode power supplies (telecom rectifiers, server PSUs), electronic ballasts for fluorescent and HID lighting, induction-heating cooktops, and solar micro-inverter half-bridge stages. When designing with this part, choose the dead-time resistor R_DT to be slightly longer than the switch turn-off delay to prevent cross-conduction; too long a dead-time wastes body-diode conduction time and increases losses. The bootstrap capacitor CBST must be sized to supply the high-side gate charge plus quiescent current across the longest PWM off-time, and the VBS supply should be locally decoupled with a ceramic bypass capacitor. This page synthesizes distributor pricing, same-brand and cross-brand drop-in equivalents, and practical design notes that are not found in the onsemi datasheet alone, giving you a single engineering reference for the FAN7383MX.
FAN7392 - 600V Half-Bridge Gate-Drive IC | onsemi
The onsemi FAN7392 is a monolithic high-current, high- and low-side gate-drive IC capable of driving high-speed MOSFETs and IGBTs that operate up to +600V. The buffered output stage uses all NMOS transistors designed for high pulse current driving capability and minimum cross-conduction, available in 14-DIP (FAN7392N) and 14-SOIC surface-mount packages. A high-side gate driver (also called a half-bridge driver or bootstrap gate driver) is a critical analog IC in power-conversion topologies such as half-bridge, full-bridge, and three-phase inverters. Its function is to translate low-voltage PWM logic signals (typically 3.3V or 5V from a microcontroller) into high-voltage gate-drive signals referenced to a floating switching node that swings between ground and the high-voltage DC bus. The FAN7392 sits in the signal-chain hierarchy: MCU -> gate driver -> power switch (MOSFET/IGBT) -> load (motor, transformer, lamp), and is part of the broader power-management semiconductor family. Key features include a floating channel rated for +600 V, gate-drive supply range of 10 V to 20 V (VBS), logic inputs compatible with 3.3 V and 5 V CMOS levels, under-voltage lockout (UVLO) for both VCC and VBS rails, and matched propagation delays between the high-side and low-side channels. The NMOS output buffer delivers 2.5 A source / 2.5 A sink typical peak current into the gate of the external power switch. Technically, onsemi's high-voltage process and common-mode noise-canceling techniques provide stable operation of the high-side driver under high dV/dt transients on the VS switching node. A built-in bootstrap diode in some variants and external bootstrap capacitor on the VB pin supply the floating high-side rail, eliminating the need for an isolated gate-drive supply. Propagation delay is typically 130 ns with 30 ns channel-to-channel matching. Typical applications include motor drives (BLDC, PMSM, induction motor variable-frequency drives), uninterruptible power supplies (UPS), switch-mode power supplies (SMPS), electronic ballasts for HID and LED drivers, and induction heating converters. The wide 600 V rating covers both 220 Vac and 380 Vac class industrial line voltages with adequate derating. When designing with the FAN7392, choose bootstrap capacitor values per the datasheet formula based on switching frequency and MOSFET gate charge Qg. Place the bootstrap capacitor close to the VB and VS pins to reduce parasitic inductance, and keep the high-side traces away from the low-side signal return to minimize noise injection. This page synthesizes distributor pricing, drop-in pin-compatible alternatives (FAN7392N, FAN7392M, FAN7392MX), and practical half-bridge design notes not found in the manufacturer datasheet alone.
FAN7392MX - 600V 3A Half-Bridge Gate Driver | onsemi
The onsemi FAN7392MX is a monolithic high- and low-side gate driver IC that drives high-speed power MOSFETs and IGBTs operating up to +600V, packaged in a 16-pin SOIC (M1X suffix). It delivers 3A peak source and 3A peak sink output current on both the high-side and low-side channels and operates from a 10V to 20V supply (VDD) while accepting 3.3V/5V logic on its inputs, making it directly compatible with modern microcontrollers and DSPs. An integrated bootstrap diode and SD (shutdown) protection pin simplify half-bridge designs and protect against fault conditions. A half-bridge gate driver is a specialized power-management IC that converts low-power PWM control signals from a microcontroller into the high-current, high-voltage drive signals needed to switch the high-side and low-side MOSFETs/IGBTs of a half-bridge or full-bridge power stage. It belongs to the broader gate-driver family, which sits hierarchically under power management ICs, motor drivers, and switching-converter support circuitry. By floating the high-side channel up to 625V and using level-shifting techniques, the FAN7392MX allows a low-voltage controller to command the high-side switch safely above the bus rail. Key features include 3A/3A source/sink drive current, 600V high-side floating supply range, built-in bootstrap diode for the high-side supply, SD (shutdown) input for fault protection, 3.3V/5V logic-compatible inputs (VIH=9.5V max, VIL=4.5V min are the VDD-referenced thresholds), matched propagation delays between the two channels to minimize duty-cycle distortion, and under-voltage lockout (UVLO) for both VDD and VB rails. The buffered all-NMOS output stage minimizes cross-conduction and provides clean gate edges even at high dV/dt. Common-mode noise cancellation from onsemi's high-voltage process keeps the high-side channel stable in noisy switching environments, with a typical dV/dt immunity of 50 V/ns. Typical applications include motor-drive inverters (BLDC/PMSM), switching-mode power supplies (SMPS) using half- or full-bridge topologies, high-power DC-DC converters, uninterruptible power supplies (UPS), induction-heating converters, and lighting ballasts. The wide logic-input range also makes it a drop-in driver for 3.3V MCUs where many older half-bridge drivers required 5V or 12V logic. Compared with discrete bootstrapped gate-drive circuits, the FAN7392MX reduces BOM count, PCB area, and design risk. When designing with the FAN7392MX, observe the bootstrap-capacitor sizing rule of thumb (CBoot ≥ 10× CGE of the driven MOSFET), place VDD bypass capacitors as close to the IC as possible, and respect the minimum pulse-width spec to avoid bootstrap-cap droop. Verify that the chosen switching frequency and high-side duty cycle do not exceed the bootstrap refresh interval.
FAN9673Q - 3-Channel Interleaved CCM PFC Controller | onsemi
The onsemi FAN9673Q is a three-channel interleaved continuous-conduction-mode power-factor-correction controller for boost-type PFC pre-regulators, with a 32-LQFP 7 x 7 mm package. Its listed switching-frequency ranges are 18 kHz to 40 kHz and 55 kHz to 75 kHz, and the device supports leading-edge, average-current boost PFC operation. A power-factor-correction controller is a power-management semiconductor that shapes the input current drawn from an AC supply so that the load appears closer to a resistive load. A PFC stage is commonly placed between the AC input and a downstream DC converter, reducing input-current harmonics while raising the intermediate DC bus. The FAN9673 belongs to the PFC controller, AC-DC power conversion, power-management IC, and semiconductor hierarchy. The main engineering benefit of this device is its three-channel interleaved architecture. Interleaving distributes inductor and switch duties among three boost phases, reducing ripple and helping distribute magnetic and thermal loading. The manufacturer describes the controller as intended for PFC pre-regulators and states that the implementation supports compliance with the IEC 1000-3-2 specification; this is a functional design capability, not a guarantee that every finished product is compliant without system validation. FAN9673Q uses continuous-conduction-mode control and includes the control circuitry required for average-current boost PFC. Designers select inductors, rectifiers, switching devices, capacitors, sensing networks, and gate-drive components around the controller. The switching-frequency options and 32-LQFP package make it relevant to high-power AC-DC front ends, but the complete operating limits, pin names, compensation details, and protection thresholds must be taken from the FAN9673 manufacturer datasheet. Typical applications include server and telecom power supplies, industrial power systems, large offline converters, and PFC pre-regulators feeding downstream isolated or non-isolated DC-DC stages. Three-phase interleaving is especially useful where low input ripple, reduced magnetic stress, or improved thermal distribution is important. The controller itself does not provide the boost power stage; external MOSFETs, rectifiers, inductors, and sensing components are required. For PCB design, preserve the high-current power-loop geometry associated with each boost phase, use short gate-drive paths, and place current-sense and control components away from switching nodes. Validate inductor saturation, rectifier reverse recovery, current-loop compensation, startup behavior, and thermal performance across line frequency, load, and temperature. Use the manufacturer datasheet for exact pinout, electrical limits, timing, compensation, and application guidance. This page consolidates the verified manufacturer description, package and frequency data, sourcing context, application guidance, and practical design considerations into an engineering reference for engineers evaluating the FAN9673Q.