•  
• EDN Europe MAGAZINE
•  
• Free SUBSCRIPTION
• Subscription Renewal
• View Media Kit

• EDN
• EDN Australia
• EDN Asia
• EDN China
• EDN Japan

Power output module cuts buck-regulator footprint

Low-loss, 40-A output and low EMI: occupies reduced-outline package

International Rectifier has added to its range of “iPOWIR” integrated power conversion stages with the iP2005A. iPOWIR devices are multi-chip modules that comprise all of the semiconductor elements, and some passives, of a power switching stage, in this case, for high current synchronous buck multi-phase converters. IR exploits its knowledge of the characteristics of its driver chips and power devices to build an optimised, single component in a thermally enhanced package.
The iP2005A is, the company says, 40% smaller compared to the previous generation device, and operation up to 1.5 MHz reduces board space by allowing designers to reduce the size of output capacitors and inductors. Emitting low EMI, it needs no external snubber circuits; this feature alone reduces per-phase power loss by up to 2.3W. The LGA package measures 7.7 x 7.7 x 1.7 mm and delivers up to 40A at 0.8 to 5.5V output. In a 4-phase system, from 6.5-13.2V in, you can output currents up to 160A with the only external components required being input and output capacitors and an output inductor at each phase.