Search results for "SiC MOSFET"
Four-channel high-side control/driver IC for automotive systems
The new A3942 from Allegro MicroSystems Europe is a 4-channel high-side MOSFET control/driver IC designed to provide an efficient interface between a system controller and the various high current inductive loads typically found in automotive engine control systems.
Automotive-grade 3-phase MOSFET pre-driver IC from Allegro MicroSystems
The new A4935 from Allegro MicroSystems Europe is an automotive-grade 3-phase MOSFET pre-driver IC targeted at automotive and industrial applications. This third-generation device includes enhanced performance and operational features, and is ideal for systems that use sinusoidal control of the motor phase currents. This commutation method provides smooth operation, reducing audible noise and minimising torque ripple at the load.
Flyback convertor for driving vacuum fluorescent displays
The new A4401 from Allegro MicroSystems Europe is an automotive-grade quasi-resonant discontinuous flyback convertor control IC which provides all the necessary control functions for driving a vacuum fluorescent display (VFD) with the minimum of external components.
Three-phase brushless DC motor pre-driver IC from Allegro
The new A4931 from Allegro MicroSystems Europe is a 3-phase brushless DC motor pre-driver integrated circuit with outputs for the direct high-current gate drive of an all N-channel power MOSFET 3-phase bridge with a maximum supply voltage of 38 V. The device includes three Hall-element inputs, a sequencer for commutation control, fixed off-time pulse width modulation (PWM) current control and locked rotor protection. Output current is scalable w...
60V, High Side Sense LED Controller for Boost, Buck or Buck-Boost High Current LED Applications
Linear Technology has announced the LT3755, a 60V, high-side current sense DC/DC converter designed to drive high current LEDs. Its 4.5V to 40V input voltage range makes it ideal for a wide variety of applications, including automotive, industrial and architectural lighting. The LT3755 uses an external N-channel MOSFET and can drive up to 14 1A white LEDs from a nominal 12V input, delivering in excess of 50 watts. It incorporates a high-side curr...
High Power Dual Output Multiphase Step-Down DC/DC Controller with Differential Output Voltage Sensing, Tracking & PLL
Linear Technology Corporation introduces the LTC3855, a dual output high efficiency (up to 95%) synchronous step-down DC/DC controller with multiphase operation, differential output voltage sensing and integrated phase-lock loop (PLL) synchronization. Up to 12 phases can be paralleled and clocked out of phase to minimize input and output filtering requirements for high current applications (up to 200A).
Multiphase Step-Up DC/DC Controller From Linear Technology
Linear Technology has introduced the LTC3862, a 2-phase step-up (boost) DC/DC controller that delivers high output power in a compact footprint. Up to 12 power stages can be paralleled and clocked out-of-phase to minimize input and output filtering requirements. The 4V to 36V input voltage range and a wide output voltage range that is dependent on the choice of external components covers a broad range of high power boost applications.
High Speed Synchronous N-Channel MOSFET Driver from Linear Technology
Linear Technology has introduced the LTC4447, a high speed synchronous MOSFET driver designed to drive upper and lower power N-Channel MOSFETs in a synchronous rectified converter topology. This driver, combined with power MOSFETs and one of Linear Technology's DC/DC controllers, forms a complete high efficiency synchronous regulator that can be used as a step-down or step-up DC/DC converter.
Linear's High Power PD Controller Addresses IEEE 802.3at PoE+ Standard
Linear Technology has introduced the LTC4265, an 802.3af/802.3at compliant Power over Ethernet (PoE) interface controller for high-power Powered Device (PD) applications needing up to 25.5W. In 2003, the IEEE 802.3af definition specified a maximum power delivery of up to 12.95W, which was more than adequate for applications like VoIP phones, security cameras and wireless access points. However, the desire for additional functionality means todayâ...
100V High Speed Synchronous N-Channel MOSFET Driver from Linear Technology
Linear Technology has announced a new high reliability grade version of the LTC4444-5, a high-speed, high input supply voltage (100V), synchronous MOSFET driver designed to drive upper and lower power N-Channel MOSFETs in synchronous rectified converter topologies. This driver, combined with power MOSFETs and one of Linear Technology’s many DC/DC controllers, forms a complete high efficiency synchronous regulator. The LTC4444MP-5 operates, and ...