Power Electronics / Power Management


Latest Articles

High-current power MOSFETs
17 August 2011, Hi-Q Electronics
Renesas Electronics announced the development of 100 A power MOSFETs for driving motors in consumer products such as cordless power tools and power-assisted bicycles. The new devices cover a wide range ...

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PoE injector and splitter
17 August 2011, Opto Africa Holdings
Lantech has released a new Power-over-Ethernet (PoE) power source injector and splitter. The POA-100B is a single-port injector for remote PoE PD devices communicating at 10/100 Mbps. The device delivers ...

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N- and P-channel MOSFETs
17 August 2011, MB Silicon Systems
The Central Semiconductor CMNDM7001 (N-channel) and complementary CMNDM8001 (P-channel) are single 20 V, 100 mA MOSFETs in the miniature, low-profile SOT-953 surface mount package. The devices have ...

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Power-over-Ethernet controllers
17 August 2011, Altron Arrow
Newly introduced by Linear Technology are the LTC4266A and LTC4274A, four-port and single-port Power over Ethernet (PoE) controllers for power sourcing equipment (PSE), delivering up to 90 W of power ...

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Benchtop power supplies
17 August 2011, Test & Measurement Instruments (TMI)
Test & Measurement Instruments’ range of laboratory bench-type power supplies includes the Lodestar PS303TD and PS305TD single-output units. The devices have digital displays, overload and reverse polarity ...

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30 A gate drivers
17 August 2011
IXYS and Clare, a wholly owned subsidiary of IXYS, have developed a new low-side gate driver family. The IXD_630 output can source and sink a peak of 30 A, making it well suited to drive the largest IXYS ...

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Low-current LDOs
3 August 2011
New from ON Semiconductor are five low dropout (LDO) linear voltage regulators capable of delivering output current of 150 mA. With an output voltage range of 1,2 V to 3,3 V, the NCP4682 and NCP4685 ...

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Schottky rectifier
3 August 2011, MB Silicon Systems
Central Semiconductor’s CSHD10-100C is a silicon Schottky rectifier designed for surface-mount, high-voltage (up to 100 V) applications requiring a low forward voltage drop. The IC consists of two 5 A ...

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Automotive qualified MOSFETs
3 August 2011
International Rectifier introduced a family of automotive qualified MOSFETs for a range of applications requiring low on-state resistance (RDS(on)) including heavy load applications used in traditional ...

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Supercapacitor manager
3 August 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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Barrier rectifiers
3 August 2011, Altron Arrow
Diodes Incorporated has announced the first devices in a family of super barrier rectifiers (SBR) designed for automotive applications. Claiming a lower forward voltage drop, improved avalanche rating ...

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RF broadcast components
3 August 2011, Altron Arrow
NXP Semiconductors announced new additions to its ultra high-frequency (UHF) and FM broadcast product portfolio, including the BLF888B transistor. Configured as a Doherty power amplifier, the BLF888B ...

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Current limited power switches
3 August 2011, Hi-Q Electronics
Advanced Analogic Technologies introduced the AAT4616 SmartSwitch family of fully adjustable, low RDS(ON), high-precision, current limited P-channel MOSFET power switches designed for high-side load switching ...

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AC-DC power supplies
20 July 2011, Accutronics, Vepac Electronics
TDK-Lambda has developed a new series of ‘green’ power supplies that comply with the energy saving requirements of Energy Star and the ErP (Energy related Products) directives. Designed for use in light ...

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Motor drivers
20 July 2011, EBV Electrolink
Texas Instruments has expanded its DRV8x motor driver family with eight new devices supporting up to 5 A for higher-current bipolar stepper and brushed DC motors. The new motor drivers provide RDSon ...

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P-channel MOSFET
20 July 2011, MB Silicon Systems
Central Semiconductor’s CMPDM302PH in the SOT-23F package is a P-channel MOSFET with a continuous drain current rating of 2,4 A. The combination of low on-resistance (61 m) and gate charge (2,8 nC) ...

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PWM controllers
20 July 2011, Altron Arrow
ON Semiconductor has expanded its portfolio of AC-DC power solutions for home electronics with the introduction of the NCP1234 and NCP1236 fixed-frequency pulse width modulation (PWM) current mode controllers. ...

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PMBus management and protection ICs
20 July 2011, Altron Arrow
National Semiconductor unveiled two new high-voltage system power management and protection ICs with on-chip power management bus (PMBus) support. The 48 V input voltage LM5066 and -48 V LM5064 integrate ...

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Sustainable energy in SA
6 July 2011, News
How does the idea of sustainable energy apply to us in South Africa?

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Batteries for radio systems
6 July 2011
Radio Comms Warehouse (RCW), a Webb Industries company, is promoting its Nova range of batteries. According to RCW’s sales manager Kirk Risch, the batteries boast a number of technical features which ...

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