Power Electronics / Power Management


Latest Articles

Sine amplitude conversion perfects the 'DC/DC transformer'
9 November 2011
Power supplies in complex electronic products and systems have evolved very rapidly over a relatively short period of years. Computer systems, and many other systems built around latest-generation microprocessors, ...

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PoE controller chipset
9 November 2011, Altron Arrow
Linear Technology has introduced the LTC4270/ LTC4271 isolated 12-port power source equipment (PSE) controller chipset designed for use in IEEE 802.3at (PoE+) Type 1 and Type 2 compliant Power over Ethernet ...

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IGBTs for induction heating
9 November 2011
International Rectifier has launched a pair of ultra-fast trench insulated gate bipolar transistors (IGBTs) optimised for induction heating and resonant switching applications such as welding and high-power ...

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PoE midspan adapter
9 November 2011, Altron Arrow
Phihong has developed a new Power-over-Ethernet (PoE) midspan product that features a wall plug for AC power. Designated the POE16R-1AF, the 15,4 W adapter is fully compliant with the IEEE802.3af standard ...

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PCB-type power supplies
9 November 2011, Accutronics, Vepac Electronics
With the introduction of the ZWS-BAF series of PCB-type AC-DC power supplies, TDK-Lambda has improved the performance of its previous generation ZWS-AF series. The improved heat dissipation of the new ...

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Battery pack fuel gauge
9 November 2011, CST Electronics
Maxim’s new MAX17047 is a fuel gauge for single-cell Li+ battery packs. Featuring the company’s new ModelGauge m3 algorithm, it is a coulomb-counting fuel gauge that does not suffer from the abrupt corrections ...

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Dual-input Li-Ion battery charger IC
9 November 2011, Hi-Q Electronics
The AAT3691 BatteryManager from Analogic is a single-cell Lithium-Ion (Li-Ion) battery charger IC, designed to operate from USB ports, AC adapter inputs or from a cellular phone charger adapter up to ...

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Intelligent UPS
9 November 2011, Phoenix Contact
A new generation of uninterruptible power supplies (UPS) now supplements the Quint Power product family from Phoenix Contact. Five new modules that can be snapped onto mounting rails are now available: ...

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Schottky diodes
9 November 2011, MB Silicon Systems
Central Semiconductor’s CTLSH01-30 and CTLSH01-30L are low forward voltage Schottky diodes in the low-profile TLM2D3D6 surface mount package. They have a peak reverse voltage rating of 30 V and a maximum ...

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Military-grade UPS
9 November 2011, Conical Technologies
SynQor has released a new line of uninterruptible power supply units designed for the extreme environmental and demanding electrical conditions of military and aerospace applications. The UPS accepts ...

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Buck converter
9 November 2011, EBV Electrolink
The TPS53355 from Texas Instruments is a synchronous 30 A step-down regulator with integrated MOSFETs that achieves 90% power efficiency and fast transient response in a small 5 x 6 mm PowerStack QFN ...

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PMICs for Li-Ion powered devices
9 November 2011, NuVision Electronics
austriamicrosystems announced two new members of its power management IC (PMIC) family targeted at devices powered by Lithium-Ion cells. Their versatile startup configuration programming capabilities ...

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Multiple-output power supplies
9 November 2011, Sivan Electronic Supplies
Sunpower’s SPS-G100-Qx is a series of universal input (88–264 V a.c. or 125–375 V d.c.) power supplies with four DC outputs. The three models in the range offer different combinations of 5 V, -5 V, 12 ...

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Supercapacitor manager
9 November 2011, EBV Electrolink
Texas Instruments introduced a fully integrated Li-Ion battery management IC for supercapacitor charge control. The bq33100 provides comprehensive features for managing charge control; measuring capacitance ...

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High-voltage battery monitor
9 November 2011, Altron Arrow
The LTC6803 from Linear Technology is a high-voltage battery monitor for hybrid/electric vehicle and other high-voltage battery systems. It is a complete battery measuring IC that includes a 12-bit ADC, ...

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Solar installation control and protection - Part 1
9 November 2011, Denver Technical Products
High oil and gas prices, climatic protocols and commitments from different national governments to decrease their CO2 emissions are among the factors driving the increase in sustainable energy generation ...

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Brushless motor pre-driver
26 October 2011, Altron Arrow
Texas Instruments has rolled out the first in a new line of integrated three-phase brushless motor pre-drivers. The DRV8301 can drive sub-10 A to 60 A external FETs, providing current scalability, enhanced ...

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Locally developed industrial PSU and UPS
26 October 2011
Booyco Electronics’ intrinsically safe (IS) offering includes a 2 Amp, 12 V d.c. power supply unit (PSU) suitable for providing devices in hazardous areas with power. The IS PSU includes overload protection ...

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DC/DC converters trip circuit breakers
26 October 2011, Phoenix Contact
DC-DC converters in the Quint Power design are new additions to the Phoenix Contact product range. Employing selective fuse breaking (SFB) technology, they reliably trip standard circuit breakers. Faulty ...

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POL regulators
26 October 2011, EBV Electrolink
The 2 MHz TPS40400 single-channel controller with a 3 V to 20 V input range and the 1,2 MHz TPS40422 dual-channel or multiphase controller with 4,5 V to 20 V input voltage range combine high-performance ...

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