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DPMU offers real-time power management

Posted: 04 Jul 2011 ?? ?Print Version ?Bookmark and Share

Keywords:ÿDC/DC power management? power control? EMI management?

Akros Silicon Inc. has announced the release of its Energy$ense family of multioutput, digital DC/DC power management unit (DPMU) ICs, the AS19xx series.

The Energy$ense technology features real-time power measurements and power-subsystem health monitoring. According to Akros, the technology has high efficiency (94 percent peak) and ultra-low standby current (power control (via I2C) for selectable power operating modes, fast transient-handling capability for implementing adaptive power profiles, built-in spread-spectrum clocking for EMI management, and built-in sophisticated PWM-dimming for battery-draining LED-backlight displays.

"Akros has developed the AS19xx series of Energy$ense DC/DC DPMUs to address the growing need for a total energy management paradigm in modern platforms," said Parviz Ghaffaripour, president and CEO of Akros. "The AS19xx family of products addresses the needs of system designers by offering 10 pin-compatible products that pack a variety of features, including a wide input voltage range of 3C27V, load range of 0.5AC10A, switching frequency from 100kHzC2MHz, and internal spread-spectrum clocking with external synchronization input. These features minimize external BOM and board space, The AS19xx series is available in different combinations of synchronous buck, boost and LED-drive converter configurations. With its feature sets to facilitate simple implementation of real-time and adaptive energy management schemas, Akros believes that the AS19xx series is a cost-effective choice for a wide range of applications including 4G LTE residential gateways and femtocells, tablets and large display-oriented consumer devices, ultra-books, e-books, digital photo frames, NAS and media hubs, Internet-TV and IPTV set-top boxes, automotive infotainment systems, solid-state lighting, communication equipment with cluster-power or intermediate bus architectures, and many others.

The AS19xx product family is offered in 5 x 5 mm, 32-lead RoHS-compliant QFN packages, in industrial temperature ranges from -40C to 85C.

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