Technical Features

April 2012
QSPICE: A Mission to Get SPICE Right

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Figure 1: MOSFET channel punch-through showing outputs from previous SPICE simulators vs. QSPICE

Qorvo’s QSPICE™ simulator for analog and mixed-signal simulation provides power designers with the tools to confidently evaluate their designs. Free to use, QSPICE improves SPICE basics, supports large amounts of digital logic without performance penalties, and delivers the speed and accuracy needed for rel
Date:
11/29/2024
MCU with FPU allows advanced Motor Control Solutions

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Table 1: Test comparison for PI Loops

Motor control algorithms for efficient motors often employ vector and sensorless vector control involving complex transformations and control loops for speed and position. Industrial applications
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Date:
04/24/2012
The Status of GaN based Power Device Development at International Rectifier

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Figure 1 : Measured efficiency of a high frequency 12 Vin to POL buck converter, including output filter losses, using low voltage GaN based power devices.

There are relatively few opportunities in one's career to participate in the development of a truly revolutionary technology in a chosen field. The past 8 years have been such an opportunity
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Date:
04/15/2012
Setting New Efficiency Benchmarks for Next Generation Motor Control Applications

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Figure 1: AMIS-30522 Functional Block Diagram

Electric motors are continuing to evolve, as market requirements grow for more compact, higher performance solutions which exhibit greater resilience to the often harsh environmental settings in
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Date:
04/15/2012
Sensors, Smart Sensors and Sensor Control Electronics

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Figure 1. Block Diagram of the ISL29028A ambient light and proximity sensor

For safety, accuracy and convenience, automation is providing improvements in everyday applications. Consider the precision and advantages of computer-assisted surgery or the array of automation
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Date:
04/15/2012
Easy to use Digital PFC

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Figure 1: Different PFC circuits

Many AC powered systems above a certain power consumption level require power factor correction (PFC). This is demanded by either utility companies or by governments. PFC sits right at the
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Date:
04/15/2012
Industrial Control

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Figure 1: Example PLD, with 12 inputs, 8 product terms and 4 macrocells
PLDs can have hundreds of macrocells with up to 16 product terms driving each macrocell. The AND and OR gates within the product terms can be interconnected to form highly flexible custom logic functions. The macrocells are typically clocked, and their outputs can be fed back into the product term array. This allows state machines to be created.

In most microcontroller architectures, there is a ‘smart' CPU surrounded by a set of relatively ‘dumb' peripherals. Peripherals have limited functions; converting data from one form to
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Date:
04/15/2012
Saving Power Using Closed Loop Voltage Scaling Control

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Figure 1 - Development of Converged Network Adapter ASICs

Wouldn't it be nice to save 25% to 30%, or even more, in circuit board power dissipation in your next design? While for some designs such a savings would just be nice to have, for others it's
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Date:
04/10/2012
Enabling More Effective Battery Charging Over USB Interconnects

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Figure 1: Difference between a DCP and SDP

Developed in the mid 1990s, USB has gone on to become the most widely used data interface on the planet. Its huge popularity has certain additional upshots which are also now being realised. Market
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Date:
04/06/2012
Efficient Boost Conversion

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Figure 1: Typical application circuit, using 2 AA batteries and a regulator IC, the AS1337, to produce a 3.3V output

Small, battery-powered medical analysis equipment presents a challenge to the power circuit designer. In meeting this challenge an understanding of the way boost conversion is implemented
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Date:
04/04/2012
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