32-Bit SAR ADC with 0.5ppm Linearity Provides 148dB Dynamic Range
04.24.2017 · News
Analog Devices, Inc., which recently acquired Linear Technology Corporation, announces the LTC2500-32, an ultrahigh precision 32-bit successive approximation register analog-to-digital converter. The LTC2500-32 is a new and enabling approach for precision measurement applications, blending the high accuracy and speed of Linear Technology’s proprietary SAR ADC architecture...
The basics of Bluetooth Low Energy
04.24.2017 · Articles
Bluetooth technology has revolutionized wireless communications between devices with its ubiquitous and simple characteristics. It allows devices to communicate without cables while maintaining high levels of security. Because of its low power and low cost, Bluetooth has played a pivotal role in the evolution of applications from high-speed automotive devices to complex medical devices...
One Device Replaces Battery Charger, Pushbutton Controller, LED Driver and Voltage Regulator ICs in Portable Electronics
04.21.2017 · Circuits
The LTCR3577/LTC3577-1 integrates a number of portable device power management functions into one IC, reducing complexity, cost and board area in handheld devices...
SII Semiconductor Corporation Introduces a New Hall Effect Switch IC with Magnet Polarity Discrimination
04.21.2017 · News
SII Semiconductor Corporation, a subsidiary of Seiko Instruments Inc., introduces the S-5718 series of Hall effect switch ICs that allow switching between omnipolar detection, N pole detection and S pole detection on a single IC. When used in combination with a microcontroller, the S-5718 can identify the polarity of nearby magnets...
Prevent Oscillations in Supercapacitor Power Supplies
04.20.2017 · Circuits
This circuit, based on discrete transistors and diodes, develops hysteresis to resolve and avoid the non-stop turn-on/off cycling that may otherwise occur when using supercapacitors as a transitional or shutdown-period backup power source...
Ultra-Low Dropout 150mA Regulator from Diodes Incorporated Supports Wide Input Voltage Range with Fixed Output Voltages
04.20.2017 · News
Diodes Incorporated introduced the AP7380. This series of ultra-low dropout regulators operates from a wide 24 V input voltage range and offers various fixed output voltage options to address common system requirements. These features, combined with high accuracy and an ultra-low quiescent current, make this device well-suited for use in various USB power, portable equipment, consumer, instrumentation and metering applications...
Allegro MicroSystems, LLC Announces New Three-Phase BLDC Controller and MOSFET Driver IC
04.19.2017 · News
Allegro MicroSystems announces a new three-phase brushless BLDC motor controller for use with N-channel external power MOSFETs. Allegro’s AMT49413 incorporates much of the circuitry required to design a cost-effective, three-phase motor drive system with maximum supply voltages up to 50 V...
LED-String Driver Operates from Single Cell
04.18.2017 · Circuits
This basic low-power driver, based on a few standard discrete components, can supply a variety of LED types and loads. This design describes how to light a string of LEDs of any color from a 1.5-V cell using just a few inexpensive components...
Vishay Intertechnology 30 V MOSFET Increases Power Density and Efficiency for Mobile Devices and Consumer Electronics
04.18.2017 · News
Vishay Intertechnology introduced a new 30 V n-channel TrenchFET Gen IV power MOSFET that delivers increased power density and efficiency for mobile devices, consumer electronics and power supplies. Offered in the ultra compact PowerPAK SC-70 package, the Vishay Siliconix SiA468DJ provides the industry’s lowest on-resistance and highest continuous drain current...
Increase Output Voltage With A Voltage Multiplier
04.17.2017 · Articles
Applications such as printers, laser-based fiber optic systems, and charged-particle air filtration systems require hundreds or even thousands of volts at low power. Flyback converters and autotransformer boosts are reasonable topology choices, but require custom transformers and require less-than-desirable high-voltage components...