Renesas Electronics Corporation announced the space industry’s first plastic-packaged, radiation-tolerant PWM controller and Gallium Nitride (GaN) FET driver for DC/DC power supplies in small satellites (smallsats) and launch vehicles. The ISL71043M single-ended current mode PWM controller and ISL71040M low-side GaN FET driver are ideal for isolated flyback and half-bridge power stages, and motor control driver […]
Flyback PWM controller delivers 93% power efficiency
Silanna Semiconductor expanded its line of fully integrated active clamp flyback (ACF) controllers with the 60W SZ1105 flyback PWM controller. Like its 30W SZ1101 sibling, Silanna’s SZ1105 60W controller combines four key ACF components: an advanced adaptive digital ACF controller and three ultra-high-voltage (UHV) components – an active clamp MOSFET, an active clamp FET driver, […]
60V fast dimming controller targets automotive LED lighting
Diodes, Inc announced the availability of the AL5816Q, an automotive-compliant linear LED controller for automotive LED lighting. With an operating voltage range of 4.5V to 60V, the AL5816Q supplies an output drive current of 15mA to control LED lights through an external BJT, delivering a constant current of a few mA up to 1.5A, or […]
Motor controllers handle 80-W BLDC without a heat sink
Infineon Technologies AG introduces smart IPM motor controllers featuring full hardware and software integration needed for BLDC motor drives of up to 80W without heatsink. The new iMOTION IMM100 series combines the motor controller IC and a 3-phase inverter stage in a single, highly compact 12 x 12 mm 2 PQFN package. This combination enables BOM count and PCB […]
Motor controller IC includes more Flash memory for better diagnostics
TDK Corporation expands its Micronas embedded motor controller portfolio with the HVC 4420F motor controller ic, featuring extended flash memory for the drive of small brush-type, stepper, or brushless motors. It is designed to satisfy the latest needs of the automotive industry to provide diagnostics capability newly introduced in the field of smart actuators. Samples […]
High-voltage LED-lighting control chip meets latest demands for efficient dimming
STMicroelectronics has combined its-control expertise with advanced power technologies in a new all-in-one LED control chip that enables future luminaires to save more energy and deliver better user experiences. The HVLED001B controller simplifies designing LED-lighting modules, maximizes energy efficiency at all dimming levels, and ensures smoother brightness control. Lighting innovator TCI of Italy, a lead customer, has […]
Small and efficient power management ICs designed for automotive apps
Maxim Integrated Products, Inc. announced power-management ICs offering the industry’s smallest solution size and highest efficiency to help automotive designers meet space and power challenges of next-generation automotive applications. As digital instrument clusters, radio head units and electronic subsystems require ever higher levels of compute power, these new high-power buck converters and high-power, multiphase buck controllers empower […]
First USB-C combo buck-boost battery charger for mobile computing systems
Renesas Electronics Corporation introduced the industry’s first USB-C buck-boost battery charger to support both Narrow Voltage Direct Charging (NVDC) and Hybrid Power Buck-Boost (HPBB) charging for notebooks, ultrabooks, tablets, and power banks using the reversible USB Type-C connector cable. Through firmware control, the ISL9241 can switch between NVDC and HPBB modes, providing a low-cost and […]
Integrated motor controller and driver for 2-phase stepper motors up to 3.5A RMS
TRINAMIC Motion Control now announces the TMC5161. This cDriver solution is an easy to use building block with a powerful integrated MOSFET driver stage and complete motion control features, including innovative current regulation. Designed with ease of use in mind, the powerful chip can be set up and evaluated easily using Trinamic’s free, easy to […]
Optimizing the energy efficiency of converters and controllers
Here’s how to evaluate energy efficiency associated with components that make up widely used power conversion circuitry. FRANK DE STASI, MATHEW JACOB, TEXAS INSTRUMENTS INC. IN SOME WAYS, selecting a module, converter or controller for power conversion resembles deciding whether to take a flight, board a train, or drive from point A to B. Once […]
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