12W Constant-Current LED Driver with PWM Dimming – 12V DC@1A Input


https://www.electronics-lab.com/12w-constant-current-led-driver-with-pwm-dimming-12v-dc1a-input/

This is a high-performance, adjustable constant current, and PWM dimmer project. It provides accurate output constant current and PWM control. The circuit regulates the current flowing through a LED/LED array to maintain the desired level of light output.  The board consists of CAT4101 LED driver chip and LTC6992-1 PWM generator chip. 12W Constant-Current LED Driver […]

MEMS Microphone Pre-Amplifier with Compression and Noise Gating – Studio Quality Microphone Pre-Amplifier


https://www.electronics-lab.com/mems-microphone-pre-amplifier-with-compression-and-noise-gating-studio-quality-microphone-pre-amplifier/

MEMS Microphones is setting a new performance benchmark across a growing number of industries. These innovative silicon microphones were designed to extend the benefits of the lowest possible self-noise (high SNR) and lowest distortion to an ever-expanding number of applications. The project presented here is a low noise analog MEMS microphone Preamplifier with compression and […]

AC Voltage Zero Cross Detector


https://www.electronics-lab.com/ac-voltage-zero-cross-detector/

This project provides AC voltage zero-cross timing detection and a DC voltage after diode rectification with high accuracy. Possible applications for such circuits are AC motor controllers, AC lamp controllers, AC Dimmer Controllers, Home Appliances. The circuit outputs a zero-cross signal from 90 Vac to 264 Vac input. The project is based on BM1Z102FJ chip […]

Precision Full-Wave Rectifier – Dual-Supply


https://www.electronics-lab.com/precision-full-wave-rectifier-dual-supply/

This is a dual-supply precision full-wave rectifier board that can turn alternating current (AC) signals into single polarity signals. The OPAMPs, U1A, and U1B, buffer the input signal and compensate for the voltage drops across D1 and D2 allowing for small signal inputs. This implementation functions with limited distortion for 20Vpp input signals at frequencies […]

Nano Pulse Control™ 4.5 V to 36 V Input, 5 A Integrated MOSFET Single Synchronous Buck DC/DC Converter


https://www.electronics-lab.com/nano-pulse-control-4-5-v-to-36-v-input-5-a-integrated-mosfet-single-synchronous-buck-dc-dc-converter/

  The BD9F500QUZ from ROHM Semiconductor is a DC to DC Converter with Input Voltage 4.5 to 36 V, Output Voltage 1 0.6 to 14 V, Output Current 1 0 to 5000 mA, Storage Temperature -55 to 150 °C. Tags: Surface Mount, Buck/Step down. More details for BD9F500QUZ can be seen below. ROHM Semiconductor BD9F500QUZ […]

DA4100 – WattUp® Wireless Power Transmitter – Charger


https://www.electronics-lab.com/da4100-wattup-wireless-power-transmitter-charger/

DA4100 is a highly integrated System-on-Chip WattUp RF-transmitter IC designed to provide optimal charging of WattUp receiver devices. It forms the core of the Near Field WattUp transmitter system and is designed to charge a range of devices fitted with WattUp receivers. It features the RF transmitter, power management and integrated DC-DC supply, delivering a […]

Nexperia Industrial & Automotive LFPAK56D half-bridge MOSFETs


https://www.electronics-lab.com/nexperia-industrial-automotive-lfpak56d-half-bridge-mosfets/

LFPAK56D half-bridge – 60% lower parasitic inductance and improved thermal performance A series of half-bridge (high side & low side) MOSFETs constructed in the space-saving LFPAK56D package format. Occupying 30% lower PCB area compared to dual MOSFETs for 3 phase motor control topologies due to the removal of PCB tracks whilst permitting simple automated optical […]

Texas Instruments TPS562211 2A Synchronous Buck Converter


https://www.electronics-lab.com/texas-instruments-tps562211-2a-synchronous-buck-converter/

Texas Instruments TPS562211 2A Synchronous Buck Converter is a flexible, cost-effective solution in a SOT583 package. The TPS562211 Converter features a selectable Eco-mode operation or FCCM (Force Continuous Conduction Mode) operation. Furthermore, a selectable Power-Good indicator or external soft-start is also configurable through the MODE pin. The TPS562211 allows power sequencing by configuring Enable, Power-Good […]

MEET WAVE III – A PORTABLE 2-CHANNEL STEREO AUDIO PLAYER MODULE


https://www.electronics-lab.com/meet-wave-iii-a-portable-2-channel-stereo-audio-player-module/

Stereo finds widespread applications in audio media production owing to the growing demand for portable consumer electronics and listening systems like PA systems and sound boxes supporting impression and sonics of natural hearing. Form factor requirement of the new maker and DIY boards and means reduced hardwiring and system components. The Wave III – 2 […]

Raspberry Pi MIC array kit features AISonic IA8201 DSP


https://www.electronics-lab.com/raspberry-pi-mic-array-kit-features-aisonic-ia8201-dsp/

Knowles, has launched a development kit for the Raspberry Pi for prototyping products based on a homegrown AISonic IA8201 DSP that was introduced not long ago. Designed to bring voice, audio edge processing, and machine learning (ML) listening capabilities to various systems, the devkit supports wake-on-voice processing for low latency voice UI, noise reduction, context […]