Power Electronics / Power Management


Latest Articles

PCB-type power supplies
3 October 2012, Current Automation
Mean Well has developed two series of 300 W power supplies in the 127 x 76 mm form factor for PCB-type requirements. The RPS-300 series is designed to comply with international medical safety regulations ...

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Wide-input DC-DC converters
3 October 2012, Accutronics
Calex announced the 75 Watt WDE series of 1/8-brick DC-DC converters, featuring wide 4:1 input ranges of 9–36 V and 18–75 V. The initial release of the series provides output voltages of 24, 28 and 48 ...

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DC-DC power supplies
3 October 2012, Sivan Electronic Supplies
Sunpower has introduced two new series of 75 W, single-output DC-DC power supplies with 9,5 V–36 V (SDS-075L-xx) and 19 V–72 V (SDS-075M-xx) input ranges. Both series measure 129 x 95 x 38 mm and come ...

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Magnet offers PFC service
3 October 2012
Magnet, specialists in the supply, implementation and support of electrical equipment and industrial instrumentation, offers the local market a power factor correction (PFC) service designed to protect ...

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Li-Ion battery charger
3 October 2012
ON Semiconductor has introduced a fully programmable Lithium-Ion (Li-Ion) switching battery charger optimised for power efficiency in handheld devices. With 1,6 A charging capability, the NCP1851 is sized ...

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90 W LED power supplies
19 September 2012, Current Automation
Mean Well has introduced new 90 W, high output voltage and low current rating LED drivers in the form of the HLG-80H-C series. Possessing 350 mA (257 V d.c. maximum output) or 700 mA (129 V d.c. maximum ...

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High-voltage IGBTs
19 September 2012, Hi-Q Electronics
Renesas Electronics has released 13 new products in its 7th-generation insulated gate bipolar transistor (IGBT) lineup. They include the RJH/RJP65S series for 650 V and RJP1CS series for 1250 V. The ...

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Power supplies for security applications
19 September 2012
Green Cubed Energy has released a new range of power supplies for the security industry. The 28350 is a 13,8 V d.c. 7 A power supply with a 7 Ah 12 V battery included. The unit measures 170 x 175 x ...

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12 V deep-cycle battery
19 September 2012, MANTECH
The DC12-100A from Ritar is an AGM deep-cycle battery with 10 years floating design life, specially designed for frequent cyclic discharge usage. Using a strong grid and specific paste plate ensure that ...

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LDO regulators
19 September 2012, Altron Arrow
The LD6815 low dropout (LDO) regulator family from NXP Semiconductors is available in the standard package SOT753 (SOT23-5) with a size of 2,9 x 1,5 x 1,0 mm. This package facilitates optimal heat dissipation. ...

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Low-profile Schottky rectifier
19 September 2012, MB Silicon Systems
Central Semiconductor’s CMSH3-40FL, packaged in the SMBFL case, is an energy efficient Schottky rectifier ideal for portable battery-powered applications requiring a very low profile. The package has ...

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Brushed DC motor driver
19 September 2012, EBV Electrolink
Texas Instruments expanded its family of low-voltage DRV8x motor drivers with a miniature 1,8 A brushed DC motor driver. The DRV8837’s low RDS(ON) of 280 m and sleep current as low as 35 nA improve thermal ...

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LED power supplies
5 September 2012
Following the launch of the APV/APC-12/16 series, Mean Well has introduced the new 25 W/35 W LED power supplies of the APV/APC-25/35 series. Operating in constant-voltage (APV) or constant-current (APC) ...

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24 V power supplies
5 September 2012, RS South Africa
RS Components is now stocking the Siemens compact 40 A base unit which is part of the SITOP modular power supply series. With new innovations and at only 150 mm wide and 125 mm deep, the PSU300M allows ...

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5 A step-down regulator
5 September 2012, Altron Arrow
New from Linear Technology is the LTM8026, a 36 V input, 5 A step-down μModule regulator with an adjustable and ±10% accurate current limit. The current limit enables designers to set the maximum amount ...

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POL regulators employ ZVS
22 August 2012
Vicor recently introduced its new Picor PI33XX Cool-Power ZVS buck regulator series that affords board-level designers high power density and flexibility for high-efficiency point-of-load DC-DC regulation. ...

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Current-sharing diode-OR controller
22 August 2012, Altron Arrow
New from Linear Technology is the LTC4370, a current-sharing controller with reverse current blocking. According to the manufacturer, it frees the designer from the limitations and complications of existing ...

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Fundamentals of using solar for battery powered applications
22 August 2012
Solar is a natural energy source for many battery-powered applications. With energy harvested from the sun, the size of batteries can be reduced, or the battery life of a system can be extended. All that ...

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Conical wins DC-DC converter agency
22 August 2012, Conical Technologies
Conical Technologies has been appointed as the South African representative for International Power Circuits, a world-class manufacturer of small form factor DC-DC converters. The appointment gives Conical ...

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Versatile AC-DC power supplies
22 August 2012, Accutronics
ConTech has developed the CM50 series of AC-DC switching power supplies offering 50 W of fully regulated output power in a chassis mount case, which makes it well suited for many applications. Its versatility ...

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