Designers can now improve motor efficiency and reduce vibration using the MAX40056 bi-directional current sense amplifier with patented pulse-width modulation (PWM) rejection from Maxim Integrated Products, Inc. Creating a motor control system requires precise current sensing and measurement of motor winding currents. A commonly used approach is to infer winding currents by performing ground or supply […]
Amplifier
GaN process supports mmWave and 5G power applications
WIN Semiconductors Corp has expanded its gallium nitride (GaN) portfolio with the commercial release of a 0.15μm-gate technology, NP15-00 Gan process, that supports emerging mmWave PA applications including radar, satellite communications, and 5G massive MIMO infrastructure. The NP15-00 GaN process technology supports full MMICs enabling WIN customers to design compact, linear or saturated high power […]
Isolated ICs ensure precise current/voltage measurements
Silicon Labs has introduced a family of isolated analog amplifiers, voltage sensors and delta-sigma modulator (DSM) devices designed to provide accurate current and voltage measurement with very low drift across temperature. Based on Silicon Labs’ robust, third-generation isolation technology, the new Si89xx family provides flexible voltage, current, output and package options to help developers reduce […]
Eval kit wrings out high-efficiency 50-W wireless power amps
GaN Systems announced the availability of its 50 W wireless power amplifier, a small size, low cost, and high-efficiency evaluation board ideal for wireless power transfer and charging applications. It is targeted for lower power applications in industrial and consumer markets for items such as power tools, IoT devices, handheld terminals, medical devices and household […]
Power Electronics Top Talks in March 2019 on EDABoard.com
Peer-to-peer, engineer-to-engineer questions and answers from the EDABoard.com engineering community around power electronics. Click the “Read more” link and follow the entire conversation and maybe add your two cents by logging in to EDAboard.com VFD to control 3-phase AC induction motor – I want to control the speed of a woodcutter that is equipped with […]
Plug-and-play gate drivers provide reinforced isolation for 1200 V and 1700 V IGBT modules
Power Integrations announced a new plug-and-play gate driver for use with Infineon’s PrimePACK 3+ and Fuji-equivalent IGBT modules for 2-level and 3-level applications. The SCALE-2 2SP0430T2XX gate-driver board suits industrial, traction, UPS and renewable-energy applications, and provides reinforced isolation for 1200 V and 1700 V IGBT modules. Meeting IEC60664-1 and IEC61800-5-1 standards and available in versions […]
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 […]
GaAs distributed driver amplifier operates from DC – 30 GHz
Custom MMIC has announced the CMD292, a wideband GaAs MMIC distributed driver amplifier die which operates from DC to 30 GHz. The amplifier delivers 13 dB of gain with a corresponding output 1 dB compression point of +27 dBm and output IP3 of 33 dBm at 15 GHz. The CMD292 is a 50 ohm matched […]
12-bit, 29-kHz RGB LED drivers boast 29-kHz dimming frequency
Texas Instruments introduced a new family of LED drivers with integrated, independent color mixing, brightness control and a power-saving mode. The LP5018, LP5024, LP5030 and LP5036 enable smooth, vivid color and reduce system power consumption. The devices are the industry’s first to offer a 29-kHz dimming frequency, above human-audible range, to help designers of applications […]
Dual-channel 4-A gate driver integrates galvanic isolation and protection features
The STGAP2DM gate driver, the second in the STGAP2 series of galvanically isolated drivers from STMicroelectronics, integrates low-voltage control and interface circuitry with two isolated output channels that allow either unipolar or bipolar gate driving. Rated up to 1700V, the STGAP2DM’s built-in isolation enhances safety as well as simplifying design and saving bill of materials and board […]
