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Orchid Technologies Designs High-power Industrial Motion controller

 PWM), precision analog servo circuitry, and digital signal processing. High speed digital signal processing algorithms continuously provide eight streams of pulse width modulation data to the motor control power electronics. Low-voltage, high-current... B2B News Asia
industrial - industrial motion control

Practical tips on efficient digital power conversion

 PWM) switching speeds, analog-to-digital converter (ADC) conversion rates, and analog comparator capabilities on system performance will be discussed, as will a software-driven proportional integral derivative (PID) algorithm. Modern switch-mode power... ECN Asia
Power Sources & Conditioning Devices

Efficient and reliable digital power conversion: A new paradigm

 PWM), ADC and analog comparator modules. These peripherals are collectively tied together by a configurable control fabric to form an Intelligent Power Peripheral, which provides the foundation to effectively perform digital-loop control. The precision... EDN Asia
Power Sources / Controllers

Advances in microcontroller peripherals facilitate current-mode for digital power supplies

 PWM) pulse based solely on the error signal. While this worked, it sometimes caused a “ratcheting up” of the inductor’s magnetic field if the inductor current was not discharged sufficiently during the “off” period of the PWM pulse. The natural results... EDN Asia
Power Sources / Controllers

PWM Controller Architecture Reduces Output Capacitance, Improves Transient Response for High Delta V Operation

 PWM controllers, the MIC2164, MIC2164-2 and MIC2164-3, whose architecture significantly reduces the required output capacitance and allows for excellent transient response, while making high delta V operation (VIN=28V, VOUT=0.8V) possible. The solutions... EDN Asia
Power Sources / Controllers

New three-channel constant-current LED driver with PWM brightness control and PWM oscillator

 PWM) per channel, complemented by 7-bit analog current control per channel to adjust color balance. Allegro's A6281 drives up to 150 mA per channel and operates from a supply voltage of up to 17 V. Applications include large video displays and signs and... EDN Asia
Analog ICs / Discretes

High current PWM ICs

 Cirrus Logic (distributed in Australia by Farnell) has added the SA303-IHZ and SA53-IHZ to its Apex Precision Power product family of high current pulse width modulated (PWM) ICs for driving three-phase brush and brushless DC motors. External Source

A highly integrated solution for AC adapters

 PWM combo controller to address these challenges. The increasing effort towards high power density and high efficiency QR converter lead us to develop converters capable of operating at higher switching frequency with high efficiency. For this reason,... EDN Asia
Analog ICs / Discretes - Power Sources / Controllers

Buck converter uses low-side PWM IC

 A voltage-level shifter lets you control voltages above a PWM controller's power source. External Source

Multiple Phase Digital Power Solutions Address System Issues

 PWM) switching frequencies for a given output ripple design goal, which in turn increases efficiency by reducing switching losses. Managing a multi-phase power system presents its own set of challenges, including phase shedding for light load efficiency... EDN Asia
Analog ICs / Discretes - Component / Hardware / Interconnect - Power Sources / Controllers





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