Power Electronics / Power Management


Latest Articles

Using a DSC to simplify sensorless BLDC motor control
4 September 2013, Tempe Technologies
As the technology of choice for many high- to mid-range systems, brushless DC (BLDC) motors offer a constant or variable speed drive combined with high reliability and ease of control. The use of even ...

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Programmable power supplies
21 August 2013, Accutronics
As an authorised distributor of the TDK-Lambda product range, Accutronics is able to offer the manufacturer’s wide range of high-performance programmable power supplies to satisfy a multitude of requirements. To ...

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Linear voltage regulator
21 August 2013, Altron Arrow
Linear Technology’s LT3081 is a rugged 1,5 A linear regulator with an extended safe operating area (SOA), making it ideal for high input-to-output voltage and high output current applications where older ...

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DC-DC converters for medical requirements
21 August 2013, Conical Technologies
SynQor expanded its family of medical grade products with the new CFQor DC/DC converters designed to provide isolated DC power for applications requiring CF body contact and defibrillation pulse withstand ...

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When to consider using an autoranging power supply
21 August 2013, Concilium Technologies
Autoranging power supplies, sometimes simply called autorangers, are designed to give a greater range of operation than a typical supply. In this author’s estimation, less than 10% of the power supplies ...

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Medical power supplies
21 August 2013, Current Automation
In response to the high-reliability power supply demands of the medical market, Mean Well has introduced the GSM40/60 series of 40 W and 60 W AC-DC power adaptors featuring high efficiency and low power ...

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18 W desktop power supply
21 August 2013, NuVision Electronics
The ADPV18B-V from HG Power is an 85–265 V a.c. input to 12 V/1,5 A (18 W) DC desktop power supply that has become popular in the South African market for use in applications related to POS terminals ...

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Eighth-brick DC-DC converters
21 August 2013
Murata has rolled out the UWE series of 100– 120 Watt open frame isolated DOSA-compatible eighth-brick DC-DC converters. Using the industry standard through-hole package measuring 58,42 x 22,86 x 9,91 ...

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IGBT modules benefit from low inductive strip line technology
21 August 2013
The low inductive strip line concept offers several benefits regarding the switching behaviour of IGBT modules, but for implementation in real packages a lot of boundary conditions have to be considered. ...

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Programmable benchtop power supply
21 August 2013, K Measure
K Measure has expanded its range of benchtop power supplies with the PPS-2320A from Hantek, a 3-channel unit with variable voltage of 0 – 32 V and variable current of 0 – 3 A per channel. Two channels ...

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Configurable power modules
21 August 2013
Vicor has announced new user-configurability capabilities for its high-performance VI Chip PRM modules. The new PowerBench tool suite equips designers to customise and simulate efficient PRM modules for ...

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P-channel power MOSFETs
21 August 2013, EBV Electrolink
Vishay extended its offering of TrenchFET Gen III p-channel power MOSFETs with new -40 V and -30 V devices offered in the PowerPAK 1212-8 and PowerPAK 1212-8S packages. Featuring very low on-resistance ...

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12 V battery charger
21 August 2013, Current Automation
The MXS 5.0 from CTEK is a versatile new battery charger that can charge 12 V lead-acid batteries with 1,2 Ah capacity up to big batteries of 110 Ah. It can also recharge batteries with gel chemistry. The ...

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Multi-mode power management chip
21 August 2013, EBV Electrolink
Texas Instruments has introduced a multi-mode power management unit (PMU) that enables ultra-low, total system quiescent current as low as 100 nA, which minimises power consumption in battery-powered, ...

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Ideal diode bridge controller
21 August 2013, Altron Arrow
Linear Technology has unveiled the LT4320, an ideal diode bridge controller for 9 V to 72 V systems that replaces each of the four diodes in a full-wave bridge rectifier with a low-loss N-channel MOSFET ...

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Uninterruptible power supply
21 August 2013
A new high-frequency, 15 – 120 kVA, 3-phase (input and output) uninterruptible power supply (UPS) system, targeted at the protection of critical operations and processes in departmental, distributed office ...

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Employing digital isolation in smart energy meters
21 August 2013
DC tolerant current transformers have long been used to sense AC currents in smart energy meters, but they have drawbacks and can be expensive. For some applications, resistive shunts make better current ...

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High-voltage regulator transistors
21 August 2013
The ZXTR2000 family of high-voltage regulators from Diodes Incorporated monolithically integrates a transistor, Zener diode and resistor into a standard SOT89 package. Principal applications for the ...

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PFC boost IC
21 August 2013
International Rectifier announced the introduction of the IRS2505LTRPBF, a power factor correction (PFC) boost IC in a 5-pin SOT23 package for switch mode power supply (SMPS), LED driver, fluorescent ...

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Triple-output regulators
21 August 2013, CST Electronics
Micrel’s MIC23450 and MIC23451 are triple-output, synchronous buck regulators designed with the company’s ‘HyperLight Load’ technology. The MIC23450 delivers 2 A per output and the MIC23451 provides 1 ...

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