Design tools spur fuel cell development year round Design How-To 5/31/2007 Post a comment Challenge X EXCLUSIVE: Developing a hydrogen fuel cell vehicle in three years is a daunting task. In a northern climate that only allows test driving on roads for eight months of the year, the task is nearly impossible--without the correct tools that is.
900 W modular power supply passes medical safety approvals Product News 5/30/2007 Post a comment PowerGate introduced the ACE Series of 300 to 900 W modular power with medical safety approvals. The ACE series consists of four power platforms offering 300/450/650/900 W which can be configured with a selection of 32 different output modules to provide many possible output configurations for medical and low-leakage applications.
REVIEW: PMBus point-of-load DC-to-DC chip has 500-mV to 8-V output ranges Product News 5/30/2007 Post a comment Here's a nifty power conversion and power management IC for synchronous DC-to-DC converter designs. The chip is configured to regulate two independent outputs, or two phases in a single output mode, and supports two types of current-sense topologies. Output range spans 500-mV to 8-V. eeProductCenter Senior Tech Editor Alex Mendelsohn reports.
NXP readies 300W UHF transistor for broadcast apps Product News 5/30/2007 Post a comment NXP will start sampling to selected customers during the third quarter a power transistor capable of delivering 300W over the full UHF band and which is targeted at the TV transmitter/broadcast market. Volume production is scheduled to start in the in the fourth quarter.
Triple-output LED driver drives up to 24 x 500 mA LEDs Product News 5/29/2007 Post a comment Linear Technology developed the LT3496, a 2 MHz DC/DC converter designed to operate as a three-channel constant-current LED driver. Each of the converter's three channels can drive up to eight 500 mA LEDs in series, enabling it to drive up to 24 x 500 mA LEDs at efficiencies up to 96%.
Step-down DC/DC converter delivers up to 600 mA per channel Product News 5/24/2007 Post a comment Linear Technology released the LTC3419/-1, a dual-output, high-efficiency, 2.25 MHz synchronous buck regulator which can deliver up to 600 mA of continuous output current from each channel. Using a constant-frequency current-mode architecture, the LTC3419 operates from an input-voltage range of 2.5 V to 5.5 V, making it suitable for single-cell Li-Ion, multi-cell alkaline or NiMH applications.
LED Driver targets automotive, general lighting applications Product News 5/24/2007 Post a comment Maxim Integrated Products introduced the MAX16831 high-voltage, high-power, constant-current LED driver with analog and PWM dimming. This LED driver integrates a floating LED current-sense amplifier and dimming MOSFET driver to minimize component count in automotive and general lighting applications which use high-brightness (HB) LEDs.
Power supply delivers up to 280% peak power Product News 5/24/2007 Post a comment Power Integrations introduced the TinySwitch-PK integrated power-supply control IC with peak-power mode. TinySwitch-PK delivers up to 280% peak power for short periods of time, enabling designers to specify transformers rated for the continuous power level, reducing size, weight and cost of designs.
Switching regulator provides adjustable, fixed output voltages Product News 5/24/2007 Post a comment Microchip Technology developed the MCP1603; a 2 MHz, 500 mA switching regulator. This low-power switcher provides adjustable- and fixed-output voltages, undervoltage lockout (UVLO) and automatic pulse-width-modulation- (PWM) to pulse-frequency-modulation- (PFM) mode transition in thin SOT-23 (TSOT-23) and 2 x 3-mm DFN packages.
AC/DC power supplies deliver up to 300 W Product News 5/24/2007 Post a comment Lambda introduced an ultra-thin, single-output AC/DC power supply which is 50% smaller and 60% lighter than typical supplies with the same ratings, making the RTW series suitable for use in electronic equipment demanding small size.
Step-down DC/DC converter suitable for harsh environments Product News 5/24/2007 Post a comment Linear Technology released the LT3502/A, a 500 mA (IOUT), 40 V step-down switching regulator packaged in a 2 x 2-mm DFN. The LT3502/A's 3.4 V to 40 V input-voltage range makes it suitable for harsh environment and automotive load dump and cold-crank conditions.
Get ready to design power for security IP cameras Design How-To 5/23/2007 Post a comment Power over Ethernet (PoE) is fast becoming the networking vehicle of choice for video surveillance cameras. As the IEEE works to increase the power available to network powered devices, the market is expected to have new momentum to increase this explosive growth. Find out what you need to know for creating power supplies appropriate for your applications.
DC motor targeted at small footprint devices Product News 5/22/2007 Post a comment Sanyo DC Micro Motor Division developed the Sanyo BSY series DC motor, suitable for applications requiring a small footprint on surface-mount circuit boards, including mobile phones and consumer medical devices.
European semis distribution sales get lift in Q1 News & Analysis 5/21/2007 Post a comment Sales by members of the Distributors’ and Manufacturers’ Association of Semiconductor Specialists (DMASS) increased by 4.8 percent to Euros 1.48 billion in the first quarter of the year compared with the same period in 2006. The sequential increase from the last quarter of 2006 was 14.5 percent.
Boost regulator offers high-current output, fault protection Product News 5/18/2007 Post a comment Intersil released the ISL97701; a boost regulator which provides a design for passive matrix OLEDs. With efficiency up to 87%, the ISL97701 can deliver 50 mA of output current at 18 V. It can provide up to 28 V output, enabling power-efficient operations in MP3, portable media players, automotive clustering and low-end cell phones PMOLED displays.
Non-isolated DC/DC converters deliver up to 30 A of output current Product News 5/18/2007 Post a comment Tyco Electronics' Power Systems released their Austin MegaLynx point-of-load (POL) DC/DC converters in SMT packages. Designed to meet the power needs of the latest generation of FPGAs and ASICs, the Austin MegaLynx converter series extends the output-current range of the Austin SuperLynx converters up to 30 A, in a SMT package.
Resonant-mode controller targets game consoles, industrial power supplies Product News 5/18/2007 Post a comment ON Semiconductor introduced the NCP1396; a high-performance, resonant-mode controller featuring built-in high-side and low-side MOSFET drivers. The device enables compact design of efficient power supplies for flat panel display power converters, high-power-density AC/DC adapters, industrial power sources and game consoles.
48-volt DC/DC converter reduces heat, component stress Product News 5/15/2007 Post a comment Ericsson Power Modules introduced three PKD-E products: the PKD4218LE SI providing 1.2 V at 20 A, the PKD4218HE SI providing 1.5 V at 14 A, and the 3.3 V at 15 A-rated PKD4510E SI. The products are aimed at existing PKD customers seeking low-building height applications requiring surface-mount DC/DC modules.
REVIEW: Power management chip throttles USB source Product News 5/15/2007 Post a comment USB battery charging gets easier, thanks to a new power management chip from IC maker Linear Technology. Its bus controlled LTC3555 multi-function power management device for li-ion/polymer battery applications, integrates a switching manager, battery charger, and multiple synchronous buck regulators, plus an always-on LDO, all in a QFN surface-mount package. eeProductCenter Senior Tech Editor Alex Mendelsohn checks it out.
Blog Make a Frequency Plan Tom Burke 17 comments When designing a printed circuit board, you should develop a frequency plan, something that can be easily overlooked. A frequency plan should be one of your first steps ...