Power

Designed to meet NVDC-I requirements for better efficiency and longer battery life, Intersil’s ISL6257 is a narrow VDC (voltage direct current) charger controller for Li-Ion/Li-Ion polymer batteries in notebook computers. The device is the only NVDC-I charger on the market that is optimised for this application, allowing customers to run laptops at much lower battery voltages, providing better efficiency, longer battery life and improved therm...

Transistor Devices has added a 3600W power module to its Mercury series of AC to DC rectifiers / front ends. This unit employs state of the art components, topology and design techniques to achieve high efficiency and high reliability. It is ideally suited for a wide variety of outdoor and indoor Telco, Wireless/cellular and Industrial applications. Features include 220VAC input, hot bus pluggability, RoHS compliance and 93% efficiency (typical...

XP Power’s latest compact desktop AC/DC power supply, PDM60, provides Class II system protection. Safety approvals include UL609501 and EN609501 for industrial and IT applications, and UL60601-1 and EN60601-1 for medical systems. With 4000 VAC isolation and low leakage current, the PDM60 is ideally suited to both medical and commercial use. Measuring just 135 x 65 x 41 mm (5.3 x 2.5 x 1.6 inches), it has an improved power density over previous ...

As a growing number of smart phones and other handheld devices operating off a single-cell lithium-ion battery add higher levels of processing power and begin to serve as central computing platforms, users are demanding connectivity to other peripheral devices. By integrating a boost converter with a current-limiting load switch, AnalogicTech’s AAT1275 power management IC allows designers to boost voltage and provide the protection needed to ...

Linear Technology has announced the LT3475, a dual 36V, up to 2MHz step-down DC/DC converter designed to operate as a two-channel constant- current LED driver. Each channel has an internal sense resistor and dimming control, making it ideal for driving LEDs requiring up to 1.5A of current. One channel switches 180 degrees out-of-phase with the other, reducing input ripple. High output current accuracy is independently maintained for each channel ...

The new A3987 from Allegro MicroSystems Europe is a microstepping motor driver IC which combines an output drive capability of 50 V and ±1.5 A with built-in translator circuitry and overcurrent protection. The new device is designed to operate bipolar stepper motors in full, half, quarter and sixteenth step modes, and includes a fixed off-time current regulator which has the ability to operate in slow or mixed decay modes. Typical applications ...

Applied Power Systems' SixPac series of integrated inverter power stages for energy conversion, frequency conversion, motor drives and similar applications, are said to ensure a reduction in time for t new product development.

UNIPOWER announces a new modular, four output power supply series designed to give up to 400W via outputs in the range 3.3 to 48VDC. This level of power and range of output voltages makes the new power supplies suitable for a wide range of applications.

Linear Technology has announced the LT3481, a 2A, 36V step-down switching regulator with Burst Mode operation to keep quiescent current under 50uA. The LT3481 operates within a VIN range of 3.6V to 34V, making it ideal for load dump and cold-crank conditions found in automotive applications. Its 3.2A internal switch can deliver up to 2A of continuous output current to voltages as low as 1.26V.

MicroPower Direct, is pleased to announce the release of the D200RU series. Featuring an ultra-wide 4:1 input voltage range, this miniature series of 2W SIP converters provides miniature packaging, tight output regulation, 1,000 VDC input/output isolation and low cost.