Energy Harvesting Powered by Ultra-Low Power and Ultra-Low Voltage Operation Boost Charge Pump for Step-Up DC-DC Converter Startup S-8880A Series
09.25.2017 · News
The S-8880A Series developed by SII Semiconductor is a boost charge pump for step-up DC-DC converter startup, which enables operation with ultra-low power and ultra-low voltage. An original circuit system and SOI technology allow this product to boost the industry’s lowest level 0.35 V ultra-low input voltage as a boost charge pump...
Notch filter autotunes for audio applications
09.21.2017 · Circuits
Tracking notch filters find use in harmonic-distortion analyzers; they also can remove heterodyne noise from ham-radio systems. A conventional tracking switched-capacitor notch filter relies on a bandpass filter, a voltage-to-frequency converter, and a notch filter to track the incoming signal and remove undesired tones...
42V Multitopology DC/DC Controller with 15μA IQ Provides Five Converter Topologies at Up to 10A Output Current
09.21.2017 · News
Analog Devices announces the LT8711, a multitopology current mode PWM controller that can easily be configured as a synchronous buck, boost, SEPIC and ZETA DC/DC converter, or as a nonsynchronous buck-boost converter...
Programmable Color Sequence RGB LED Driver for IoT applications
09.21.2017 · News
Integrated Silicon Solution introduced the IS31FL3194, the latest addition to the innovative line of FxLED RGB drivers. The IS31FL3194 is a fully programmable 3 channel LED driver supporting a wide range of color rendering capabilities for consumer and industrial IoT applications...
Period-to-RPM Converter Measures Very Low Frequencies
09.20.2017 · Circuits
Measuring the low frequencies that are common in many real-world situations, such as biomedical or speedometer applications, is a challenge due to the long periods of the cycles. A medium-scale-integration (MSI) CMOS circuit can measure frequencies in the range of 0.33 to 3.00 Hz (equal to 20 to 180 RPM)...
Bourns Announces Higher Power Efficiency Bridge Rectifier Products for Power and Switch Mode Power Supply Applications
09.20.2017 · News
Bourns, Inc. announced a new series of bridge rectifier diode products designed for converting alternating current (AC) to direct current (DC) in power applications. Designated Bourns® Model CDTO269-BR1xL, this new series of surface mount bridge rectifier diodes features low power loss and high efficiency, low forward voltage, high surge capability and high reverse robustness...
Allegro MicroSystems, LLC Announces Wide Input Voltage Inductorless Buck-boost Regulator
09.19.2017 · News
Allegro MicroSystems has announced the release of a new wide input 5 V output regulator designed to power automotive sensors and low power uControllers. It can also be used for non-automotive applications where the input voltage could be above or below 5 V...
Obtain a lower dc voltage from a higher voltage power supply
09.18.2017 · Circuits
You can use the circuit to obtain a low regulated voltage, such as 5 V dc, from a higher voltage, rectified, sinusoidal voltage source without resorting to an electrically noisy dc/dc converter or wasting watts in a dropping resistor. This application requires a regulated 5 V-dc source, but a transformer supplies 18 V rms to a full-wave bridge rectifier...
Vishay Intertechnology Launches Industry-First High Frequency IHLP® Inductor Series, Boosting DC/DC Efficiency
09.18.2017 · News
Vishay Intertechnology introduced the first extended-frequency inductor in the low profile, high current IHLP® family. The new IHLP-1616BZ-0H series features high frequency performance up to 10 MHz with the lowest losses of any inductor on the market for frequencies of 1 MHz and above...