Search results for "SiC MOSFET"
True Power & Current Monitor Enables Board & System-Level Optimization
Linear Technology has introduced the LT2940, a power and current monitor for 4V to 80V systems. The LT2940 provides the necessary circuits to accurately measure, monitor and control power in situations where both the current and voltage may vary due to supply voltage uncertainty, component parametric changes, transient conditions or time-varying signals.
MOSFET Gate Driver Operates over a -55°C to 125°C Junction Temperature Range
Linear Technology announced a new high reliability (MP-grade) version of the LTC4441, a 6A N-channel MOSFET gate driver that operates over a -55°C to125°C operating junction temperature range. This high power driver is designed to increase the output power and efficiency of a DC/DC controller, enabling it to drive high power N-channel MOSFETs or multiple MOSFETs in parallel. Its gate drive voltage is adjustable from 5V to 8V, allowing designer...
Dual Output Synchronous Step-Down DC/DC Controller with Excellent Channel-to-Channel Current Sharing Boosting Power & Reliability
Linear Technology Corporation introduces the LTC3869/-2, a dual output high efficiency (up to 95%) synchronous step-down DC/DC controller with well balanced current sharing between channels when paralleled.
Ultralow VIN DC/DC µModule Regulator with Onboard 5V MOSFET Gate Drive Delivers 15A from Inputs Down to 1.5VIN
Linear Technology has introduced the LTM4611, a complete switch mode DC/DC µModule point-of-load regulator capable of generating its own 5V N-channel MOSFET gate drive for very efficient voltage conversion from 3.3VIN or less to loads as low as 0.8V at up to 15A.
Dual Output Synchronous Step-Down DC/DC Controller with Digital Power System Management via I2C/PMBus Interface & Onboard EEPROM
Linear Technology announced the LTC3880/-1, a dual output high efficiency synchronous step-down DC/DC controller with I2C-based PMBus interface for digital power system management. The device combines best in class analog switching regulator performance with precision mixed signal data conversion for unsurpassed ease of power system design and management, supported by the LTpowerPlay software development system with easy-to-use graphical user int...
Automotive-grade full-bridge MOSFET pre-driver IC from Allegro MicroSystems
The new A3941 from Allegro MicroSystems Europe is an H-bridge device which complements the company’s existing line of automotive-grade MOSFET pre-driver ICs. This new device is designed around Allegro’s latest generation of BCD semiconductor process technology and includes enhanced features which make it an ideal choice for high-temperature automotive systems and industrial systems using a 24 V battery supply. In particular, significant im...
Digitally programmable dual full-bridge MOSFET driver IC
The new A3985 from Allegro MicroSystems Europe is a digitally programmable dual full-bridge gate driver IC suitable for driving a wide range of higher power industrial bipolar two-phase stepper motors, two-phase brushless DC motors or dual brush DC motors in industrial, medical and office automation applications. The compact package of the A3985 means that a complete high-current microstepping motor driver or dual DC motor system can be implemen...
Three-phase brushless DC motor pre-driver IC for office automation applications
The A4936 from Allegro MicroSystems Europe is a three-phase brushless DC motor pre-driver IC targeted at applications within the office automation sector including laser printer and copier drum drives. The new device incorporates outputs for the direct high-current gate drive of an all N-channel power MOSFET three-phase bridge with a maximum supply voltage of 38 V. Also included in the A4936 device are three Hall-element inputs, a sequencer for ...
Dual full-bridge MOSFET driver IC with microstepping translator
The A3986 from Allegro MicroSystems Europe is a dual full-bridge gate driver IC with integrated microstepping translator circuitry. The device is suitable for driving a wide range of industrial bipolar 2-phase stepper motors in the 30 to 500 W power range. Motor power is provided by external N-channel power MOSFETs at supply voltages from 12 to 50 V.
Automotive-grade 3-phase motor-control ICs with built-in commutation logic
The new A3930 and A3931 from Allegro MicroSystems Europe are automotive-grade motor controller integrated circuits with built-in commutation logic to lessen the burden on the system microprocessor, simplifying system design and reducing cost. The new devices are ideally suited to the control of Hall-commutated 3-phase brushless DC motors driven by external N-Channel MOSFETs. If desired, the Hall sensor inputs can be driven directly by a micropro...