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2009-05-08 Reference design for a high-current power supply with lossless current sensing using the MAX5060
This application note shows how to use a MAX5060 current-mode, step-down power-supply controller to implement lossless current sensing for high-current applications. In this design, the series resistance (DCR) of the inductor is used for current sensing to avoid power loss in the current-sense resistor
2001-09-19 A simple current-sense technique eliminating a sense resistor
This application note introduces a simple current-sense technique that eliminates the sense resistor in an over-current protection circuit, resulting in system-cost reduction, PCB space saving and power efficiency improvement
2005-10-17 Self-learning switching DC/DC converters meet smart power
A handful of lossless current-sensing techniques are available today but their accuracies still do not compete with the traditional series sense-resistor schemes
2011-09-01 Surface-mount resistors tout 5C7W power rating
The Power Metal Strip resistors from Vishay offer high-temperature capability and allow high-power circuit design.
2005-10-19 New resistors from Vishay feature ultra-low resistance values
Featuring ultra-low resistance values down to 0.2 milliohms, two new surface-mount Power Metal Strip resistors from Vishay offers power ratings of 3W and 5W for all types of current sensing, voltage division and pulse applications
2005-10-26 Controller with two PWM regulators, two LDO linear regulators
STMicroelectronics introduced the first device in a new family of products designed to provide one of the world's most cost-effective and compact solutions for mobile PC power management.
2008-09-12 Turnkey algorithms extend benefits of STM32 MCU
STMicroelectronics has extended its library of functions supporting vector control of electric motors using the 32bit STM32 MCU, with new turnkey algorithms supporting single-shunt sensorless control, control of IPM motors, and field-weakening controls for PMSM motors.
2006-11-16 Sychronous buck controller delivers up to 30A
Powerful internal gate drivers allow Micrel's new synchronous buck controller to power external MOSFETs that can provide up to 30A of output current.
2004-10-26 PWM control IC incorporates MOSFET drivers
Intersil developed a three-phase PWM control IC, with integrated MOSFET drivers, that provides a precision voltage regulation system.
2008-02-25 Power Metal Strip resistors withstand extreme temperatures
Vishay has announced two new high-temperature, surface-mount Power Metal Strip resistors that are said to be the industry's first such devices in the 3921 and 5931 case sizes to offer an operating temperature range of -65C to 275C.
2009-11-25 LED drivers improve energy efficiency in LCD TVs
Intelligent control of LED current sinks in direct/matrix backlight applications gives truer blacks and improved contrast.
2005-08-19 Intersil PWM controllers include high-current MOSFET drivers
Intersil announced the two-phase ISL6310 and three-phase ISL6308 pulse width modulation controllers with high-current, integrated MOSFET drivers and industry-leading system accuracy.
2012-09-20 Incorporating flexibility to 32bit MCU designs
Read about the implementations of standard 32bit MCU peripherals that provide needed capabilities, while also reducing BOM and simplifying the design.
2005-06-01 How to drive switching devices without losing speed
This article describes a high-voltage process for the high-side gate driver IC and the conventional high-side driver topology, and also addresses the driver IC problems
2010-09-28 High-bandwidth op amp calibrates Vos on power-up
Maxim introduced the MAX9622, a precision operational amplifier with high gain bandwidth.
2007-02-13 HB LED drivers deliver 94 percent efficiency
Maxim has introduced high-efficiency LED drivers, each capable of delivering from 1W to over 25W of output power with up to 94 percent efficiency, while driving as many as six white LEDs connected in series.
2015-12-07 Get 500W in converter with GaN (Part 1)
Part 1 covers brick technology, a comparison of eGaN FETs to silicon MOSFETS, a basic overview of the GaN-based eighth-brick design, and experimental results.
2008-10-16 EMC issues for hysteretic converters in LED driving
The use of LEDs in a wide range of lighting applications is rapidly increasing. In order to maximize the efficiency improvements that the LEDs offer they must be driven from switching regulators rather than power hungry linear circuits. One of the most versatile inductive switching topologies is the hysteretic converter. To ensure these converters are used effectively in a fully EMC compliant manner their limitations must be understood.
2015-07-13 Drives LEDs efficiently with constant-voltage topology
Here is a look at an AC/DC single-stage driver for dimmable LEDs that combines digital control techniques with embedded algorithms.
2007-09-04 Control power and cost for multiple LEDs
TI's Brant Johnson discusses a power-efficient and cost-effective method for controlling multiple LEDs.
2008-11-17 Antifuse memory IP offers lower-power operation
Memory IP for power-sensitive apps requires the design of both the basic memory bit and the memory macro architecture to minimize power demands.
2006-02-22 AC/USB battery chip charges Li-ions as fast as possible
Advanced Analogic Technologies announced that its AAT3685 is the first chip designed for efficiently charging Li-ion polymer batteries from either an AC adapter or a USB source through a single connector.
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